Malware Analysis Report

2024-10-19 01:46

Sample ID 240728-d8ymbawdjr
Target be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
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 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

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-28 03:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-28 03:41

Reported

2024-07-28 03:44

Platform

win7-20240708-en

Max time kernel

147s

Max time network

135s

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\473954b5-47a1-4e44-97eb-c3ccba2587cd\\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:\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3008 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1820 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 1820 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 1820 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 1820 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 1820 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1820 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1820 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1820 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2880 wrote to memory of 2904 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\473954b5-47a1-4e44-97eb-c3ccba2587cd" /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 zexeq.com udp
US 8.8.8.8:53 uaery.top udp
DE 188.40.141.211:80 zexeq.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.18.190.80:80 crl.microsoft.com tcp

Files

memory/3008-0-0x0000000001D50000-0x0000000001DE2000-memory.dmp

memory/3008-1-0x0000000001D50000-0x0000000001DE2000-memory.dmp

memory/3008-2-0x0000000001DF0000-0x0000000001F0B000-memory.dmp

memory/1820-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1820-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3008-7-0x0000000001D50000-0x0000000001DE2000-memory.dmp

memory/1820-8-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1820-9-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\473954b5-47a1-4e44-97eb-c3ccba2587cd\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

MD5 13fd90197ba55324bd01b9fa97f5295a
SHA1 313ac91a6ea6e75c0fe75f65d1254905491b59f6
SHA256 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
SHA512 a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

memory/1820-29-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2880-30-0x0000000000540000-0x00000000005D2000-memory.dmp

memory/2880-31-0x0000000000400000-0x0000000000539000-memory.dmp

memory/2880-36-0x0000000000400000-0x0000000000539000-memory.dmp

memory/2904-37-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2904-38-0x0000000000400000-0x0000000000537000-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 7117f591e84bb3e74f7306ca3fdbba1f
SHA1 f4d01765516a5f5d6ba2bd9b7c8c82c9558e0102
SHA256 6bc7cb474ae6ee858870664871e92f33edee99e0f65d0be07607d67484ffd832
SHA512 4766ea2ad00d6c4a4dfa99f333bd6c3149a8b4d0cac4006354ba60becc587479d507feb2ee4d8c9fcfe67a0495981e6779ef18bf1e286822781ed997e99c321f

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 fdc4388c8c6ce3b1123a6bc1d7c8d9a6
SHA1 ccfebc05da704aa62bd8f0ed5db9b8ea0f78a82b
SHA256 1c9a9df0d704c50ff6123d0bf11584732fa9f3ac84031cb3a6ef0692398297f4
SHA512 a79a02ec4ef75f27d6c6e2c04e29a0465fac93e57e40f23d094f98391535ae0056814550ec0dfc2ebbe1373310a8fd5449396f419300b0246074693a0161a462

C:\Users\Admin\AppData\Local\Temp\CabE1C7.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/2904-52-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2904-53-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\X761FPIN\get[1].php

MD5 6910426a598bc0b07dd6ca7c2faf5c22
SHA1 4304d65a08652b167453997e1464cc6ef034be23
SHA256 ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA512 5e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952

memory/2904-67-0x0000000000400000-0x0000000000537000-memory.dmp

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

MD5 caa078f0348cda98328127c142e3bfed
SHA1 e38274d642c806a3affcca8f7e37b61f591c47e6
SHA256 91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA512 2e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6

memory/2904-73-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2904-79-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2904-80-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2904-82-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2904-83-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2904-84-0x0000000000400000-0x0000000000537000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-28 03:41

Reported

2024-07-28 03:44

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

154s

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-1-5-21-2990742725-2267136959-192470804-1000\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-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\14d73193-e236-44b1-aaca-699e29b083e0\\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

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:\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
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 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2188 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3652 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 3652 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 3652 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 3652 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3652 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 3652 wrote to memory of 208 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 208 wrote to memory of 4944 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\14d73193-e236-44b1-aaca-699e29b083e0" /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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 572

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 api.2ip.ua udp
US 104.21.65.24:443 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 8.8.8.8:53 24.65.21.104.in-addr.arpa udp
US 8.8.8.8:53 67.214.58.216.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

memory/2188-1-0x0000000002180000-0x0000000002214000-memory.dmp

memory/2188-2-0x0000000002300000-0x000000000241B000-memory.dmp

memory/3652-4-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3652-3-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3652-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3652-6-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\14d73193-e236-44b1-aaca-699e29b083e0\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

MD5 13fd90197ba55324bd01b9fa97f5295a
SHA1 313ac91a6ea6e75c0fe75f65d1254905491b59f6
SHA256 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
SHA512 a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

memory/3652-19-0x0000000000400000-0x0000000000537000-memory.dmp

memory/208-21-0x0000000000400000-0x0000000000539000-memory.dmp

memory/4944-26-0x0000000000400000-0x0000000000537000-memory.dmp

memory/208-27-0x0000000000400000-0x0000000000539000-memory.dmp

memory/4944-23-0x0000000000400000-0x0000000000537000-memory.dmp

memory/4944-24-0x0000000000400000-0x0000000000537000-memory.dmp