darkcomet | 6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

General

Target

bbdec755964b8bf23a09498831dcca47.exe
Size

656KB
MD5

bbdec755964b8bf23a09498831dcca47
SHA1

ba7b48208197ff675d03268e14f05ed7808c67bc
SHA256

6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a
SHA512

600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

sommerishere.sytes.net:1678

ommerishere.sytes.net:1678

ommerishere.sytes.net:1679

Mutex

DC_MUTEX-3YA4GBR

Attributes

gencode
C8EBUD2QBFHF
install
false
offline_keylogger
true
password
likethat@123
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 2 IoCs

Processes:

cssrr.execssrr.exe

pid process

1060 cssrr.exe
1696 cssrr.exe
Loads dropped DLL 3 IoCs

Processes:

bbdec755964b8bf23a09498831dcca47.execssrr.exe

pid process

1832 bbdec755964b8bf23a09498831dcca47.exe
1832 bbdec755964b8bf23a09498831dcca47.exe
1060 cssrr.exe

pid	process
1060	cssrr.exe
1696	cssrr.exe

pid	process
1832	bbdec755964b8bf23a09498831dcca47.exe
1832	bbdec755964b8bf23a09498831dcca47.exe
1060	cssrr.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cssrr.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\cssrr = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\SubFolder\\SubFolder\\cssrr.exe"	cssrr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cssrr = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\SubFolder\\SubFolder\\cssrr.exe"	cssrr.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cssrr.exe

description pid process target process

PID 1060 set thread context of 1696 1060 cssrr.exe cssrr.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1060 set thread context of 1696	1060	cssrr.exe	cssrr.exe

NTFS ADS 3 IoCs

Processes:

cmd.execmd.exebbdec755964b8bf23a09498831dcca47.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe:ZONE.identifier	cmd.exe
File created	C:\Users\Admin\AppData\Local\Temp\bbdec755964b8bf23a09498831dcca47.exe:ZONE.identifier	cmd.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe\:ZONE.identifier:$DATA	bbdec755964b8bf23a09498831dcca47.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bbdec755964b8bf23a09498831dcca47.execssrr.exe

pid process

1832 bbdec755964b8bf23a09498831dcca47.exe
1832 bbdec755964b8bf23a09498831dcca47.exe
1060 cssrr.exe
1060 cssrr.exe

pid	process
1832	bbdec755964b8bf23a09498831dcca47.exe
1832	bbdec755964b8bf23a09498831dcca47.exe
1060	cssrr.exe
1060	cssrr.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

bbdec755964b8bf23a09498831dcca47.execssrr.execssrr.exe

description	pid	process
Token: SeDebugPrivilege	1832	bbdec755964b8bf23a09498831dcca47.exe
Token: SeDebugPrivilege	1060	cssrr.exe
Token: SeIncreaseQuotaPrivilege	1696	cssrr.exe
Token: SeSecurityPrivilege	1696	cssrr.exe
Token: SeTakeOwnershipPrivilege	1696	cssrr.exe
Token: SeLoadDriverPrivilege	1696	cssrr.exe
Token: SeSystemProfilePrivilege	1696	cssrr.exe
Token: SeSystemtimePrivilege	1696	cssrr.exe
Token: SeProfSingleProcessPrivilege	1696	cssrr.exe
Token: SeIncBasePriorityPrivilege	1696	cssrr.exe
Token: SeCreatePagefilePrivilege	1696	cssrr.exe
Token: SeBackupPrivilege	1696	cssrr.exe
Token: SeRestorePrivilege	1696	cssrr.exe
Token: SeShutdownPrivilege	1696	cssrr.exe
Token: SeDebugPrivilege	1696	cssrr.exe
Token: SeSystemEnvironmentPrivilege	1696	cssrr.exe
Token: SeChangeNotifyPrivilege	1696	cssrr.exe
Token: SeRemoteShutdownPrivilege	1696	cssrr.exe
Token: SeUndockPrivilege	1696	cssrr.exe
Token: SeManageVolumePrivilege	1696	cssrr.exe
Token: SeImpersonatePrivilege	1696	cssrr.exe
Token: SeCreateGlobalPrivilege	1696	cssrr.exe
Token: 33	1696	cssrr.exe
Token: 34	1696	cssrr.exe
Token: 35	1696	cssrr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cssrr.exe

pid process

1696 cssrr.exe

pid	process
1696	cssrr.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

bbdec755964b8bf23a09498831dcca47.execssrr.exe

description	pid	process	target process
PID 1832 wrote to memory of 1968	1832	bbdec755964b8bf23a09498831dcca47.exe	cmd.exe
PID 1832 wrote to memory of 1968	1832	bbdec755964b8bf23a09498831dcca47.exe	cmd.exe
PID 1832 wrote to memory of 1968	1832	bbdec755964b8bf23a09498831dcca47.exe	cmd.exe
PID 1832 wrote to memory of 1968	1832	bbdec755964b8bf23a09498831dcca47.exe	cmd.exe
PID 1832 wrote to memory of 1060	1832	bbdec755964b8bf23a09498831dcca47.exe	cssrr.exe
PID 1832 wrote to memory of 1060	1832	bbdec755964b8bf23a09498831dcca47.exe	cssrr.exe
PID 1832 wrote to memory of 1060	1832	bbdec755964b8bf23a09498831dcca47.exe	cssrr.exe
PID 1832 wrote to memory of 1060	1832	bbdec755964b8bf23a09498831dcca47.exe	cssrr.exe
PID 1060 wrote to memory of 1728	1060	cssrr.exe	cmd.exe
PID 1060 wrote to memory of 1728	1060	cssrr.exe	cmd.exe
PID 1060 wrote to memory of 1728	1060	cssrr.exe	cmd.exe
PID 1060 wrote to memory of 1728	1060	cssrr.exe	cmd.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe
PID 1060 wrote to memory of 1696	1060	cssrr.exe	cssrr.exe

C:\Users\Admin\AppData\Local\Temp\bbdec755964b8bf23a09498831dcca47.exe
"C:\Users\Admin\AppData\Local\Temp\bbdec755964b8bf23a09498831dcca47.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Local\Temp\bbdec755964b8bf23a09498831dcca47.exe":ZONE.identifier & exit
2⤵
- NTFS ADS
PID:1968

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe":ZONE.identifier & exit
3⤵
- NTFS ADS
PID:1728

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bbdec755964b8bf23a09498831dcca47.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\SubFolder\SubFolder\cssrr.exe
MD5
bbdec755964b8bf23a09498831dcca47

SHA1
ba7b48208197ff675d03268e14f05ed7808c67bc

SHA256
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a

SHA512
600c4164a2147733e76faf0c69a2e921b006352f92eed60e4fad2cfd858964569524850c673af7494adafbcd3b2f78c0a0d7c0d2c6134c1580e5197665ad9441

Download Submit
memory/1060-68-0x0000000000000000-mapping.dmp

Download
memory/1060-72-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/1060-73-0x0000000000AD1000-0x0000000000AD2000-memory.dmp

Filesize
4KB

Download
memory/1060-81-0x0000000000AD6000-0x0000000000AE7000-memory.dmp

Filesize
68KB

Download
memory/1696-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1696-78-0x000000000048F888-mapping.dmp

Download
memory/1696-82-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1728-74-0x0000000000000000-mapping.dmp

Download
memory/1832-61-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1832-60-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1832-63-0x0000000000426000-0x0000000000437000-memory.dmp

Filesize
68KB

Download
memory/1832-62-0x0000000000421000-0x0000000000422000-memory.dmp

Filesize
4KB

Download
memory/1968-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads