darkcomet | e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a

General

Target

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Size

636KB
MD5

6aa8b96dc40d343ed01f71a98bc33dd0
SHA1

f3054de583789ae77b90268b89b15842c81da48b
SHA256

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a
SHA512

d248d8f1db0b34dcdee876e3a5e52e8585bfec4d49765458ea620b4276ed5a691deae5eb5007e37ce9979a919c3c8fc59de8fe617dcab6321719a6c8303e7934
SSDEEP

12288:rClWWlTMKehR5IjmGRUqA6bARgoCfrgbisv69Wu:r3WlYKer2Wo0RgoCfriv+

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

microchip.myftp.org:80

microchip.myftp.org:5190

microchip.myftp.org:25

microchip.myftp.org:110

microchip.myftp.org:945

Mutex

DC_MUTEX-22M89DH

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
bNsEugEKgtYk
install
true
offline_keylogger
true
password
pa$$w0rd117756
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:

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe

Executes dropped EXE 2 IoCs

Processes:

msdcsc.exemsdcsc.exe

pid process

624 msdcsc.exe
576 msdcsc.exe
Loads dropped DLL 1 IoCs

Processes:

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe

pid process

1268 e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe

pid	process
624	msdcsc.exe
576	msdcsc.exe

pid	process
1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exemsdcsc.exe

description	pid	process	target process
PID 1196 set thread context of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 624 set thread context of 576	624	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 use of AdjustPrivilegeToken 46 IoCs

Processes:

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeSecurityPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeTakeOwnershipPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeLoadDriverPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeSystemProfilePrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeSystemtimePrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeProfSingleProcessPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeIncBasePriorityPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeCreatePagefilePrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeBackupPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeRestorePrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeShutdownPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeDebugPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeSystemEnvironmentPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeChangeNotifyPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeRemoteShutdownPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeUndockPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeManageVolumePrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeImpersonatePrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeCreateGlobalPrivilege	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: 33	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: 34	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: 35	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
Token: SeIncreaseQuotaPrivilege	576	msdcsc.exe
Token: SeSecurityPrivilege	576	msdcsc.exe
Token: SeTakeOwnershipPrivilege	576	msdcsc.exe
Token: SeLoadDriverPrivilege	576	msdcsc.exe
Token: SeSystemProfilePrivilege	576	msdcsc.exe
Token: SeSystemtimePrivilege	576	msdcsc.exe
Token: SeProfSingleProcessPrivilege	576	msdcsc.exe
Token: SeIncBasePriorityPrivilege	576	msdcsc.exe
Token: SeCreatePagefilePrivilege	576	msdcsc.exe
Token: SeBackupPrivilege	576	msdcsc.exe
Token: SeRestorePrivilege	576	msdcsc.exe
Token: SeShutdownPrivilege	576	msdcsc.exe
Token: SeDebugPrivilege	576	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	576	msdcsc.exe
Token: SeChangeNotifyPrivilege	576	msdcsc.exe
Token: SeRemoteShutdownPrivilege	576	msdcsc.exe
Token: SeUndockPrivilege	576	msdcsc.exe
Token: SeManageVolumePrivilege	576	msdcsc.exe
Token: SeImpersonatePrivilege	576	msdcsc.exe
Token: SeCreateGlobalPrivilege	576	msdcsc.exe
Token: 33	576	msdcsc.exe
Token: 34	576	msdcsc.exe
Token: 35	576	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

576 msdcsc.exe

pid	process
576	msdcsc.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exee1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exemsdcsc.exemsdcsc.exe

description	pid	process	target process
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1196 wrote to memory of 1268	1196	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
PID 1268 wrote to memory of 624	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	msdcsc.exe
PID 1268 wrote to memory of 624	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	msdcsc.exe
PID 1268 wrote to memory of 624	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	msdcsc.exe
PID 1268 wrote to memory of 624	1268	e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 624 wrote to memory of 576	624	msdcsc.exe	msdcsc.exe
PID 576 wrote to memory of 1072	576	msdcsc.exe	iexplore.exe
PID 576 wrote to memory of 1072	576	msdcsc.exe	iexplore.exe
PID 576 wrote to memory of 1072	576	msdcsc.exe	iexplore.exe
PID 576 wrote to memory of 1072	576	msdcsc.exe	iexplore.exe
PID 576 wrote to memory of 1536	576	msdcsc.exe	explorer.exe
PID 576 wrote to memory of 1536	576	msdcsc.exe	explorer.exe
PID 576 wrote to memory of 1536	576	msdcsc.exe	explorer.exe
PID 576 wrote to memory of 1536	576	msdcsc.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
"C:\Users\Admin\AppData\Local\Temp\e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1196

C:\Users\Admin\AppData\Local\Temp\e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe
"C:\Users\Admin\AppData\Local\Temp\e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a.exe"
2⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:576

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
5⤵
PID:1072

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
5⤵
PID:1536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
Filesize
636KB

MD5
6aa8b96dc40d343ed01f71a98bc33dd0

SHA1
f3054de583789ae77b90268b89b15842c81da48b

SHA256
e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a

SHA512
d248d8f1db0b34dcdee876e3a5e52e8585bfec4d49765458ea620b4276ed5a691deae5eb5007e37ce9979a919c3c8fc59de8fe617dcab6321719a6c8303e7934

Download Submit
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
Filesize
636KB

MD5
6aa8b96dc40d343ed01f71a98bc33dd0

SHA1
f3054de583789ae77b90268b89b15842c81da48b

SHA256
e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a

SHA512
d248d8f1db0b34dcdee876e3a5e52e8585bfec4d49765458ea620b4276ed5a691deae5eb5007e37ce9979a919c3c8fc59de8fe617dcab6321719a6c8303e7934

Download Submit
C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
Filesize
636KB

MD5
6aa8b96dc40d343ed01f71a98bc33dd0

SHA1
f3054de583789ae77b90268b89b15842c81da48b

SHA256
e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a

SHA512
d248d8f1db0b34dcdee876e3a5e52e8585bfec4d49765458ea620b4276ed5a691deae5eb5007e37ce9979a919c3c8fc59de8fe617dcab6321719a6c8303e7934

Download Submit
\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
Filesize
636KB

MD5
6aa8b96dc40d343ed01f71a98bc33dd0

SHA1
f3054de583789ae77b90268b89b15842c81da48b

SHA256
e1988357bf7b368cd41004b28d836914b075f0f35d985c426397d343f0c1e78a

SHA512
d248d8f1db0b34dcdee876e3a5e52e8585bfec4d49765458ea620b4276ed5a691deae5eb5007e37ce9979a919c3c8fc59de8fe617dcab6321719a6c8303e7934

Download Submit
memory/624-84-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/624-69-0x0000000000000000-mapping.dmp

Download
memory/1196-65-0x0000000000400000-0x000000000049F000-memory.dmp

Filesize
636KB

Download
memory/1268-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-66-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download
memory/1268-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-71-0x00000000033C0000-0x000000000345F000-memory.dmp

Filesize
636KB

Download
memory/1268-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1268-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads