Malware Analysis Report

2024-10-19 01:46

Sample ID 240730-cxxp7sshkj
Target be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
SHA256 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
Tags
djvu discovery persistence ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e

Threat Level: Known bad

The file be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe was found to be: Known bad.

Malicious Activity Summary

djvu discovery persistence ransomware

Detected Djvu ransomware

Djvu Ransomware

Checks computer location settings

Modifies file permissions

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 02:27

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-30 02:27

Reported

2024-07-30 02:31

Platform

win7-20240705-en

Max time kernel

144s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"

Signatures

Detected Djvu ransomware

Description Indicator Process Target
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Djvu Ransomware

ransomware djvu

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\icacls.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6cfa4751-ff48-4a9f-a201-50e5fbc5ce06\\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe\" --AutoStart" C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\icacls.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2224 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2660 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2660 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2660 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2660 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2660 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2536 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"

C:\Windows\SysWOW64\icacls.exe

icacls "C:\Users\Admin\AppData\Local\6cfa4751-ff48-4a9f-a201-50e5fbc5ce06" /deny *S-1-1-0:(OI)(CI)(DE,DC)

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.2ip.ua udp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 c.pki.goog udp
FR 216.58.214.67:80 c.pki.goog tcp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 uaery.top udp
US 8.8.8.8:53 zexeq.com udp
DE 188.40.141.211:80 zexeq.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.16.170.123:80 crl.microsoft.com tcp

Files

memory/2224-0-0x0000000000220000-0x00000000002B2000-memory.dmp

memory/2224-2-0x0000000000540000-0x000000000065B000-memory.dmp

memory/2224-1-0x0000000000220000-0x00000000002B2000-memory.dmp

memory/2660-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2660-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2660-9-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2660-8-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2224-7-0x0000000000220000-0x00000000002B2000-memory.dmp

C:\Users\Admin\AppData\Local\6cfa4751-ff48-4a9f-a201-50e5fbc5ce06\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

MD5 13fd90197ba55324bd01b9fa97f5295a
SHA1 313ac91a6ea6e75c0fe75f65d1254905491b59f6
SHA256 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
SHA512 a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

memory/2660-31-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2536-32-0x00000000007A0000-0x0000000000832000-memory.dmp

memory/2536-36-0x0000000000400000-0x0000000000539000-memory.dmp

memory/2536-37-0x0000000000400000-0x0000000000539000-memory.dmp

memory/2608-39-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2608-40-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 5043408d0113618702b2c1309d51190c
SHA1 1fc6821eaed79416c9886df88f5654cb2cdfac16
SHA256 38c2597fbf423a5e46a3ef5590c3134ed6e20dde01c3f168a9a6dcce0998a415
SHA512 ebd8360a71aa53a46762a947e100d5055c898ec8c1f04b5646c8d6ed425920b746959befa7db7df3512942cab9be52b3f43d470adb71fca322e0ca92bb90f748

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 7fb5fa1534dcf77f2125b2403b30a0ee
SHA1 365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA256 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512 a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

MD5 971c514f84bba0785f80aa1c23edfd79
SHA1 732acea710a87530c6b08ecdf32a110d254a54c8
SHA256 f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA512 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

MD5 99a407b345386aa8e3f04c7b36cb50ee
SHA1 5ac7a0a358798eb657dd063a34965700079747bb
SHA256 10d113327d11b818122267d6076a2335f1c617b413302d70286317612701a53c
SHA512 8f86884664b957f3bdcc01f2aefaaeda2659f1d679cc8b9eadc11adc3840f305c5f47d6dae661f2a648b3454ced2e1c51572fd837e1eaada68fa3961765c5aa9

C:\Users\Admin\AppData\Local\Temp\Cab5EF2.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

MD5 1573ed685d01515a05efcd1a3d4ec50d
SHA1 863bf8d8aed640f72d87437fe296ae660b984001
SHA256 750d00c55044df515f17e77818bf9f53640d63a0d1bddfb103bd44c77f91b8c0
SHA512 2edfe7b32d56ef5515ec11cdc0ecb3e6f56c0c290d52db15c1c4c30aa3bf36603ba0d5c5f29d51dfd1b5170867037183bc25ded52f6651dc4c8cabc4030f11e8

memory/2608-55-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2608-56-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\4d43df8e-f1b0-4f42-8dd5-fdf38e8e92f3\build3.exe

MD5 6910426a598bc0b07dd6ca7c2faf5c22
SHA1 4304d65a08652b167453997e1464cc6ef034be23
SHA256 ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA512 5e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952

memory/2608-65-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\bowsakkdestx.txt

MD5 caa078f0348cda98328127c142e3bfed
SHA1 e38274d642c806a3affcca8f7e37b61f591c47e6
SHA256 91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA512 2e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6

memory/2608-76-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2608-82-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2608-83-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2608-86-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2608-85-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2608-87-0x0000000000400000-0x0000000000537000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 02:27

Reported

2024-07-30 02:31

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"

Signatures

Detected Djvu ransomware

Description Indicator Process Target
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Djvu Ransomware

ransomware djvu

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\icacls.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\67c8eead-4d1c-4f6e-b06b-ea1d40b6486c\\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe\" --AutoStart" C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A
N/A api.2ip.ua N/A N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\icacls.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2868 wrote to memory of 4652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 4652 wrote to memory of 3804 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 4652 wrote to memory of 3804 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 4652 wrote to memory of 3804 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 4652 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 4652 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 4652 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1452 wrote to memory of 1624 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe"

C:\Windows\SysWOW64\icacls.exe

icacls "C:\Users\Admin\AppData\Local\67c8eead-4d1c-4f6e-b06b-ea1d40b6486c" /deny *S-1-1-0:(OI)(CI)(DE,DC)

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask

C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

"C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe" --Admin IsNotAutoStart IsNotTask

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 api.2ip.ua udp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 c.pki.goog udp
FR 216.58.214.67:80 c.pki.goog tcp
US 8.8.8.8:53 220.139.67.172.in-addr.arpa udp
US 8.8.8.8:53 67.214.58.216.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 172.67.139.220:443 api.2ip.ua tcp
US 8.8.8.8:53 uaery.top udp
US 8.8.8.8:53 zexeq.com udp
DE 188.40.141.211:80 zexeq.com tcp
DE 188.40.141.211:80 zexeq.com tcp
US 8.8.8.8:53 211.141.40.188.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2868-1-0x00000000021D0000-0x0000000002269000-memory.dmp

memory/2868-2-0x00000000022E0000-0x00000000023FB000-memory.dmp

memory/4652-3-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4652-4-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4652-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4652-6-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\67c8eead-4d1c-4f6e-b06b-ea1d40b6486c\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

MD5 13fd90197ba55324bd01b9fa97f5295a
SHA1 313ac91a6ea6e75c0fe75f65d1254905491b59f6
SHA256 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
SHA512 a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

memory/4652-19-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1452-21-0x0000000000400000-0x0000000000539000-memory.dmp

memory/1624-23-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-24-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-26-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1452-25-0x0000000000400000-0x0000000000539000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

MD5 971c514f84bba0785f80aa1c23edfd79
SHA1 732acea710a87530c6b08ecdf32a110d254a54c8
SHA256 f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA512 43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

MD5 24143635ba8e9c64afeeb88c0eb3a85a
SHA1 ee49b971a82995cfd27694079c1f7c591c133d75
SHA256 5f6215be838077eebbdc701bcb9c38057dd81cfbd8ba0cdceb53e269c52a9646
SHA512 039c9a8862536ef72417675adb9989a44657cbf9148e849b31b1cb3293daf080057b3ce00e5db15fe7a73c62854c3014a8da21fc799a5fdb4f121d3e9bf1d312

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 7fb5fa1534dcf77f2125b2403b30a0ee
SHA1 365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA256 33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512 a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

MD5 1722288e814106cd4b2147ba6e977af9
SHA1 9791d6a645f743f59eb7c0e6a102c65540afad0e
SHA256 549b2461af7246cf4b437f5e4d69457cc6f99f6071ea7f375c895c9785065814
SHA512 f65ce39c115a6e6273985297d208f412c963e4fbc57267f91f3571f79e5400b65199959cfc47e6bf06936d4fe76270d6c6c34b4bfd37d4f500dfa06509860d6c

memory/1624-33-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-34-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\2a67c7f8-9b0b-4493-8448-42162bdbcef2\build3.exe

MD5 6910426a598bc0b07dd6ca7c2faf5c22
SHA1 4304d65a08652b167453997e1464cc6ef034be23
SHA256 ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA512 5e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952

memory/1624-49-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-55-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\bowsakkdestx.txt

MD5 caa078f0348cda98328127c142e3bfed
SHA1 e38274d642c806a3affcca8f7e37b61f591c47e6
SHA256 91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA512 2e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6

memory/1624-66-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-67-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-69-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-70-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-71-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1624-73-0x0000000000400000-0x0000000000537000-memory.dmp