darkcomet | 0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25

General

Target

0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe
Size

2.7MB
MD5

84bf54351957e900ffed47bec794bad7
SHA1

99c2985eec7c242cc0b574138af08ae2f2d9c0ac
SHA256

0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25
SHA512

aafcfb2c36eb42b5e52d26c88a4e004bb89a1127a04714c245bdd09ad49d22f3bcfdbaf42aeed4d9932646e39422d66605149e858a4f35c9e8f59270e6751ba2
SSDEEP

49152:bkwkn9IMHeae6S5VuaVP1L3TQ/8hdROmzdL0zy4tEwdHO5BIPbSj+XC2Qg9aPCS:IdnV5MVuQt7TQEh7OmJxw0MPWj+XC2FL

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

verydark25.no-ip.biz:100

Mutex

DCMIN_MUTEX-QPZZXFD

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
0GZSgZY5XLqM
install
true
offline_keylogger
true
persistence
false
reg_key
Chrome Updater

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:

613.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\\DCSCMIN\\IMDCSC.exe"	613.exe

Executes dropped EXE 4 IoCs

Processes:

613.exe613.exeIMDCSC.exeIMDCSC.exe

pid process

4688 613.exe
4192 613.exe
2492 IMDCSC.exe
2760 IMDCSC.exe

pid	process
4688	613.exe
4192	613.exe
2492	IMDCSC.exe
2760	IMDCSC.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe613.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	613.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

613.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Chrome Updater = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	613.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\613\613.exe	autoit_exe
C:\Users\Admin\AppData\Local\Temp\613\613.exe	autoit_exe
C:\Users\Admin\AppData\Local\Temp\613\613.exe	autoit_exe
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	autoit_exe
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	autoit_exe
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

613.exeIMDCSC.exe

description pid process target process

PID 4688 set thread context of 4192 4688 613.exe 613.exe
PID 2492 set thread context of 2760 2492 IMDCSC.exe IMDCSC.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: EnumeratesProcesses 4 IoCs

Processes:

613.exeIMDCSC.exe

pid process

4688 613.exe
4688 613.exe
2492 IMDCSC.exe
2492 IMDCSC.exe

description	pid	process	target process
PID 4688 set thread context of 4192	4688	613.exe	613.exe
PID 2492 set thread context of 2760	2492	IMDCSC.exe	IMDCSC.exe

pid	process
4688	613.exe
4688	613.exe
2492	IMDCSC.exe
2492	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

613.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4192	613.exe
Token: SeSecurityPrivilege	4192	613.exe
Token: SeTakeOwnershipPrivilege	4192	613.exe
Token: SeLoadDriverPrivilege	4192	613.exe
Token: SeSystemProfilePrivilege	4192	613.exe
Token: SeSystemtimePrivilege	4192	613.exe
Token: SeProfSingleProcessPrivilege	4192	613.exe
Token: SeIncBasePriorityPrivilege	4192	613.exe
Token: SeCreatePagefilePrivilege	4192	613.exe
Token: SeBackupPrivilege	4192	613.exe
Token: SeRestorePrivilege	4192	613.exe
Token: SeShutdownPrivilege	4192	613.exe
Token: SeDebugPrivilege	4192	613.exe
Token: SeSystemEnvironmentPrivilege	4192	613.exe
Token: SeChangeNotifyPrivilege	4192	613.exe
Token: SeRemoteShutdownPrivilege	4192	613.exe
Token: SeUndockPrivilege	4192	613.exe
Token: SeManageVolumePrivilege	4192	613.exe
Token: SeImpersonatePrivilege	4192	613.exe
Token: SeCreateGlobalPrivilege	4192	613.exe
Token: 33	4192	613.exe
Token: 34	4192	613.exe
Token: 35	4192	613.exe
Token: 36	4192	613.exe
Token: SeIncreaseQuotaPrivilege	2760	IMDCSC.exe
Token: SeSecurityPrivilege	2760	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2760	IMDCSC.exe
Token: SeLoadDriverPrivilege	2760	IMDCSC.exe
Token: SeSystemProfilePrivilege	2760	IMDCSC.exe
Token: SeSystemtimePrivilege	2760	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2760	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2760	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2760	IMDCSC.exe
Token: SeBackupPrivilege	2760	IMDCSC.exe
Token: SeRestorePrivilege	2760	IMDCSC.exe
Token: SeShutdownPrivilege	2760	IMDCSC.exe
Token: SeDebugPrivilege	2760	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2760	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2760	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2760	IMDCSC.exe
Token: SeUndockPrivilege	2760	IMDCSC.exe
Token: SeManageVolumePrivilege	2760	IMDCSC.exe
Token: SeImpersonatePrivilege	2760	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2760	IMDCSC.exe
Token: 33	2760	IMDCSC.exe
Token: 34	2760	IMDCSC.exe
Token: 35	2760	IMDCSC.exe
Token: 36	2760	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

2760 IMDCSC.exe

pid	process
2760	IMDCSC.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe613.exe613.exeIMDCSC.exe

description	pid	process	target process
PID 1156 wrote to memory of 4688	1156	0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe	613.exe
PID 1156 wrote to memory of 4688	1156	0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe	613.exe
PID 1156 wrote to memory of 4688	1156	0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe	613.exe
PID 4688 wrote to memory of 4192	4688	613.exe	613.exe
PID 4688 wrote to memory of 4192	4688	613.exe	613.exe
PID 4688 wrote to memory of 4192	4688	613.exe	613.exe
PID 4688 wrote to memory of 4192	4688	613.exe	613.exe
PID 4688 wrote to memory of 4192	4688	613.exe	613.exe
PID 4192 wrote to memory of 2492	4192	613.exe	IMDCSC.exe
PID 4192 wrote to memory of 2492	4192	613.exe	IMDCSC.exe
PID 4192 wrote to memory of 2492	4192	613.exe	IMDCSC.exe
PID 2492 wrote to memory of 2760	2492	IMDCSC.exe	IMDCSC.exe
PID 2492 wrote to memory of 2760	2492	IMDCSC.exe	IMDCSC.exe
PID 2492 wrote to memory of 2760	2492	IMDCSC.exe	IMDCSC.exe
PID 2492 wrote to memory of 2760	2492	IMDCSC.exe	IMDCSC.exe
PID 2492 wrote to memory of 2760	2492	IMDCSC.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe
"C:\Users\Admin\AppData\Local\Temp\0ed85fa7d62a79306a7e52a321de3d1880afd9ef5ba376569f528e7f52047f25.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1156

C:\Users\Admin\AppData\Local\Temp\613\613.exe
"C:\Users\Admin\AppData\Local\Temp\613\613.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4688

C:\Users\Admin\AppData\Local\Temp\613\613.exe
"C:\Users\Admin\AppData\Local\Temp\613\613.exe"
3⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4192

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2492

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\613\613.exe

Filesize
1.5MB

MD5
e3db605b6b773ae7ed7fe8596abae583

SHA1
2b573adfe3e3a2edc68936a3e864d7a9a909f12d

SHA256
53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

SHA512
a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

Download Submit
C:\Users\Admin\AppData\Local\Temp\613\613.exe

Filesize
1.5MB

MD5
e3db605b6b773ae7ed7fe8596abae583

SHA1
2b573adfe3e3a2edc68936a3e864d7a9a909f12d

SHA256
53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

SHA512
a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

Download Submit
C:\Users\Admin\AppData\Local\Temp\613\613.exe

Filesize
1.5MB

MD5
e3db605b6b773ae7ed7fe8596abae583

SHA1
2b573adfe3e3a2edc68936a3e864d7a9a909f12d

SHA256
53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

SHA512
a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

Download Submit
C:\Users\Admin\AppData\Local\Temp\res.ico

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\res.ico2

Filesize
658KB

MD5
07c4d7f2b2cfa8ab7b39a250429bfa78

SHA1
dc0e4ca81efbef25aa53d08dbc7fd24008b790b9

SHA256
0076395fd58ddcfaa73dcce59a05eb3b45d7116f671f32b5077846bddf3c16b2

SHA512
2a806c450f58e3e583f956a0c4a756e71a87c9e6ebce12d9ff5fa01f5724ee5823f22183d73ca0cba5fed772139c576bdf883b237f3b8897fc5264cdc68aa005

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.5MB

MD5
e3db605b6b773ae7ed7fe8596abae583

SHA1
2b573adfe3e3a2edc68936a3e864d7a9a909f12d

SHA256
53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

SHA512
a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.5MB

MD5
e3db605b6b773ae7ed7fe8596abae583

SHA1
2b573adfe3e3a2edc68936a3e864d7a9a909f12d

SHA256
53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

SHA512
a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.5MB

MD5
e3db605b6b773ae7ed7fe8596abae583

SHA1
2b573adfe3e3a2edc68936a3e864d7a9a909f12d

SHA256
53c30ab677a3c5538043afa46faadecce838a183889ffdd17655676ef7e1176f

SHA512
a5b139462b64e1196045000efe64ad553d8ee3204b5da3f9b3e0df77bcec3b6253b5d169331338f009c8213023443453bb1a5f18417c47e5e179378a7bd2900b

Download Submit
memory/2492-140-0x0000000000000000-mapping.dmp

Download
memory/2760-146-0x0000000000000000-mapping.dmp

Download
memory/2760-150-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/2760-151-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/2760-152-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4192-139-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4192-143-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4192-138-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4192-136-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/4192-135-0x0000000000000000-mapping.dmp

Download
memory/4688-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads