Malware Analysis Report

2024-10-19 01:46

Sample ID 240730-yf6sfavglj
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

Modifies file permissions

Checks computer location settings

Looks up external IP address via web service

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 19:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-30 19:44

Reported

2024-07-30 19:47

Platform

win7-20240708-en

Max time kernel

142s

Max time network

122s

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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f0f35287-f3b7-4b3f-9c3b-20946ce80cb3\\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:\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2716 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2796 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2796 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2796 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2796 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 2796 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2796 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2796 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2796 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2600 wrote to memory of 3068 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\f0f35287-f3b7-4b3f-9c3b-20946ce80cb3" /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 2.18.190.80:80 crl.microsoft.com tcp

Files

memory/2716-0-0x0000000000310000-0x00000000003A2000-memory.dmp

memory/2796-7-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2716-6-0x0000000001E80000-0x0000000001F9B000-memory.dmp

memory/2796-8-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2716-5-0x0000000000310000-0x00000000003A2000-memory.dmp

memory/2796-3-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2796-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

C:\Users\Admin\AppData\Local\f0f35287-f3b7-4b3f-9c3b-20946ce80cb3\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

MD5 13fd90197ba55324bd01b9fa97f5295a
SHA1 313ac91a6ea6e75c0fe75f65d1254905491b59f6
SHA256 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
SHA512 a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

memory/2796-28-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3068-37-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2600-36-0x0000000000400000-0x0000000000539000-memory.dmp

memory/3068-35-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2600-30-0x0000000000280000-0x0000000000312000-memory.dmp

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

MD5 e57eb52a3be1a154f71b7959f3f0c4e2
SHA1 0752169a7181dae966810eb0182af3cbd4fecef2
SHA256 e108ef774a06f1a9a2e2f4b94362df3cc2b2e860af47124bd183dbc82043a1cc
SHA512 b0b640ae16bcc15a379ea32d60d9cf5a1dc8569c9cf7eb1e93d57b46f913932890effae8f66fb7e689639dd612b585b691af102aa9c475dde494d153d489bbc9

C:\Users\Admin\AppData\Local\Temp\Cab28E4.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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 c86970e9a9af6990148b3947eabbd813
SHA1 4f2e38a91895c3494fc2e25575b561862907cde8
SHA256 cb4abbdcd1a2c201ccbd197520e9bc29055d66a18802e5c9c22ce25a5a79a8e9
SHA512 542cd4ed5273725108ef855826e52dfe636cdaf570203da68a91928e732552b71ad835047ff0a9de44188b64bef3a7cd1a59076db4342f671859d6ab1ca35f07

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 66c4f0a4de4aafd929c83a4ea7a91e0b
SHA1 99c9cb981478cc83847f823127f50c64b088e898
SHA256 35e65820fcb033d502160dd8bdb8ceb3c50e682d544a2ac02c6a8a9a789e00ef
SHA512 57c3dbe2e60eb306ff5a9f0e97edf5839e7640bdee5f71b07b1f46a1e49e642ccf10871c01ab9531c56f39bd1bf682621e6627f675504d5c2b3d5451d27a7c2b

memory/3068-53-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3068-52-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YUF3ZB4A\get[1].php

MD5 6910426a598bc0b07dd6ca7c2faf5c22
SHA1 4304d65a08652b167453997e1464cc6ef034be23
SHA256 ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA512 5e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952

memory/3068-67-0x0000000000400000-0x0000000000537000-memory.dmp

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

MD5 caa078f0348cda98328127c142e3bfed
SHA1 e38274d642c806a3affcca8f7e37b61f591c47e6
SHA256 91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA512 2e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6

memory/3068-73-0x0000000000400000-0x0000000000537000-memory.dmp

memory/2600-79-0x0000000000400000-0x0000000000539000-memory.dmp

memory/3068-82-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3068-83-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3068-80-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3068-84-0x0000000000400000-0x0000000000537000-memory.dmp

memory/3068-85-0x0000000000400000-0x0000000000537000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 19:44

Reported

2024-07-30 19:47

Platform

win10v2004-20240730-en

Max time kernel

144s

Max time network

126s

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-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\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-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\98d6e01d-4924-4578-990a-11f2ef2d2efd\\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:\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 2176 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1084 wrote to memory of 1376 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 1084 wrote to memory of 1376 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 1084 wrote to memory of 1376 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Windows\SysWOW64\icacls.exe
PID 1084 wrote to memory of 1972 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1084 wrote to memory of 1972 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1084 wrote to memory of 1972 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe C:\Users\Admin\AppData\Local\Temp\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe
PID 1972 wrote to memory of 1212 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\98d6e01d-4924-4578-990a-11f2ef2d2efd" /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 0.159.190.20.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 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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2176-1-0x0000000002290000-0x0000000002324000-memory.dmp

memory/2176-2-0x0000000002470000-0x000000000258B000-memory.dmp

memory/1084-4-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1084-3-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1084-5-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1084-6-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\98d6e01d-4924-4578-990a-11f2ef2d2efd\be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e.exe

MD5 13fd90197ba55324bd01b9fa97f5295a
SHA1 313ac91a6ea6e75c0fe75f65d1254905491b59f6
SHA256 be65a8d884dbb5c292c2ae94591cc6c86909bcd7ddb42588932afaf9ce15728e
SHA512 a2d7a2b666f712b57f1cbed89598ad783589b93d4e0b67ccbe5d8ac4f8b3faf18c704a5606953319090dbf974f5cd9bc600ee3b7695c47cc92db5d9a8227f6fb

memory/1084-19-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1212-25-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1972-24-0x0000000000400000-0x0000000000539000-memory.dmp

memory/1212-26-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1972-23-0x0000000000400000-0x0000000000539000-memory.dmp

memory/1212-22-0x0000000000400000-0x0000000000537000-memory.dmp

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 0ea45973bb08fbe0103a0aa86429c0de
SHA1 ceb09f898d0e4ba99401a302b5df1cebe375fce0
SHA256 8882a4788fcbb355087cf375f9448dd181862a25cc0576f70f7b432039149f23
SHA512 90492d9c82b37de1c0fafd1e117eb6d51f41ab7bdf4b2701bab34d02dd05e4abd6fc8b8d728872238a1b06d271863d342d721e8a2f91dea39301bbb18932dbda

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

MD5 7629a665dc07b3721632b2b533ec805b
SHA1 1d4ecee81312b43e83d1c18b027f8c9eec3c255f
SHA256 bed4a071eaa1d16c2cf4b19ab5ab907cfa7e45fbac6dbdfcc40ce3c4bb787634
SHA512 0aafab94c686e6c450eae990ad178331b0a891fd6e4c2b5eb995a7230ad0657fc136acc086fb427b4982aaa4e86314320df0ded06e9b8b0477378f25afc2dddc

memory/1212-33-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1212-34-0x0000000000400000-0x0000000000537000-memory.dmp

C:\Users\Admin\AppData\Local\cf0b4d2b-1326-4b6f-9733-61183a73ddef\build3.exe

MD5 6910426a598bc0b07dd6ca7c2faf5c22
SHA1 4304d65a08652b167453997e1464cc6ef034be23
SHA256 ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA512 5e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952

memory/1212-49-0x0000000000400000-0x0000000000537000-memory.dmp

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

MD5 caa078f0348cda98328127c142e3bfed
SHA1 e38274d642c806a3affcca8f7e37b61f591c47e6
SHA256 91faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA512 2e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6

memory/1212-60-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1212-69-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1212-68-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1212-66-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1212-70-0x0000000000400000-0x0000000000537000-memory.dmp

memory/1212-72-0x0000000000400000-0x0000000000537000-memory.dmp