darkcomet | e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2

General

Target

e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Size

663KB
MD5

20cd25a7bce759a071678bdf8ec7d7bd
SHA1

a486797a9e14fdaa1ca29a41510a7a431edb759d
SHA256

e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2
SHA512

5fd7c87832d1868c0cbb8b3bbc6bfb7082b46f68a6b37516602905f6ec0815f9c4f738d4de3dd62b49d10986f15569dcc5c4f2d6a503961c7fb36beeaacd1b1f

Score

10^/10

darkcomet zombie evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Zombie

C2

darkdaniblack.no-ip.biz:1604

Mutex

DC_MUTEX-2F47BJV

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
GkM9fiMqtYcs
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1716 msdcsc.exe
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

pid	process
1716	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe

pid	process
748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

1716 msdcsc.exe

pid	process
1716	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeSecurityPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeTakeOwnershipPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeLoadDriverPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeSystemProfilePrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeSystemtimePrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeProfSingleProcessPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeIncBasePriorityPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeCreatePagefilePrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeBackupPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeRestorePrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeShutdownPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeDebugPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeSystemEnvironmentPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeChangeNotifyPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeRemoteShutdownPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeUndockPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeManageVolumePrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeImpersonatePrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeCreateGlobalPrivilege	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: 33	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: 34	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: 35	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
Token: SeIncreaseQuotaPrivilege	1716	msdcsc.exe
Token: SeSecurityPrivilege	1716	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1716	msdcsc.exe
Token: SeLoadDriverPrivilege	1716	msdcsc.exe
Token: SeSystemProfilePrivilege	1716	msdcsc.exe
Token: SeSystemtimePrivilege	1716	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1716	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1716	msdcsc.exe
Token: SeCreatePagefilePrivilege	1716	msdcsc.exe
Token: SeBackupPrivilege	1716	msdcsc.exe
Token: SeRestorePrivilege	1716	msdcsc.exe
Token: SeShutdownPrivilege	1716	msdcsc.exe
Token: SeDebugPrivilege	1716	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1716	msdcsc.exe
Token: SeChangeNotifyPrivilege	1716	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1716	msdcsc.exe
Token: SeUndockPrivilege	1716	msdcsc.exe
Token: SeManageVolumePrivilege	1716	msdcsc.exe
Token: SeImpersonatePrivilege	1716	msdcsc.exe
Token: SeCreateGlobalPrivilege	1716	msdcsc.exe
Token: 33	1716	msdcsc.exe
Token: 34	1716	msdcsc.exe
Token: 35	1716	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1716 msdcsc.exe

pid	process
1716	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 748 wrote to memory of 316	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 748 wrote to memory of 316	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 748 wrote to memory of 316	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 748 wrote to memory of 316	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 748 wrote to memory of 872	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 748 wrote to memory of 872	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 748 wrote to memory of 872	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 748 wrote to memory of 872	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	cmd.exe
PID 316 wrote to memory of 568	316	cmd.exe	attrib.exe
PID 316 wrote to memory of 568	316	cmd.exe	attrib.exe
PID 316 wrote to memory of 568	316	cmd.exe	attrib.exe
PID 316 wrote to memory of 568	316	cmd.exe	attrib.exe
PID 872 wrote to memory of 1668	872	cmd.exe	attrib.exe
PID 872 wrote to memory of 1668	872	cmd.exe	attrib.exe
PID 872 wrote to memory of 1668	872	cmd.exe	attrib.exe
PID 872 wrote to memory of 1668	872	cmd.exe	attrib.exe
PID 748 wrote to memory of 1716	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	msdcsc.exe
PID 748 wrote to memory of 1716	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	msdcsc.exe
PID 748 wrote to memory of 1716	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	msdcsc.exe
PID 748 wrote to memory of 1716	748	e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe	msdcsc.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe
PID 1716 wrote to memory of 1836	1716	msdcsc.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

568 attrib.exe
1668 attrib.exe

pid	process
568	attrib.exe
1668	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe
"C:\Users\Admin\AppData\Local\Temp\e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2.exe" +s +h
3⤵
- Views/modifies file attributes
PID:568

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Views/modifies file attributes
PID:1668

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Hidden Files and Directories

2

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
20cd25a7bce759a071678bdf8ec7d7bd

SHA1
a486797a9e14fdaa1ca29a41510a7a431edb759d

SHA256
e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2

SHA512
5fd7c87832d1868c0cbb8b3bbc6bfb7082b46f68a6b37516602905f6ec0815f9c4f738d4de3dd62b49d10986f15569dcc5c4f2d6a503961c7fb36beeaacd1b1f

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
20cd25a7bce759a071678bdf8ec7d7bd

SHA1
a486797a9e14fdaa1ca29a41510a7a431edb759d

SHA256
e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2

SHA512
5fd7c87832d1868c0cbb8b3bbc6bfb7082b46f68a6b37516602905f6ec0815f9c4f738d4de3dd62b49d10986f15569dcc5c4f2d6a503961c7fb36beeaacd1b1f

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
20cd25a7bce759a071678bdf8ec7d7bd

SHA1
a486797a9e14fdaa1ca29a41510a7a431edb759d

SHA256
e16b54b0e20b5fa20f57623f6ae72f0afd9f7d1857e880db71e2a4c468f519d2

SHA512
5fd7c87832d1868c0cbb8b3bbc6bfb7082b46f68a6b37516602905f6ec0815f9c4f738d4de3dd62b49d10986f15569dcc5c4f2d6a503961c7fb36beeaacd1b1f

Download Submit
memory/748-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/748-55-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1716-60-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1836-61-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1836-81-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads