darkcomet | f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87

General

Target

f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe
Size

713KB
MD5

52d69bc80f8e6403d06f076eb5494d60
SHA1

03243f11aae0efb72fdaddac057f1742024bac4a
SHA256

f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87
SHA512

66cf61d79c1367ef913aeacc5ef315587532172660be9ca9630a2955009c1a98ad766b66b6b1830783d85c3a9feac860a4b71a3b029a6cf0340f7ec3800b4c3e
SSDEEP

12288:9QtMi9ynsxUbvoQZCfVPsB9teP6jy8ZpGp4/0yxlnC:GtMmBQZC6B7EMc4Myx1C

Score

10^/10

darkcomet guest16 rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

funnystuff.no-ip.org:1604

Mutex

DC_MUTEX-SPEJPPK

Attributes

gencode
gkeM6ur9Hhsi
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

3480 svchost.exe

pid	process
3480	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe

description	pid	process	target process
PID 4480 set thread context of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe
Token: SeIncreaseQuotaPrivilege	3480	svchost.exe
Token: SeSecurityPrivilege	3480	svchost.exe
Token: SeTakeOwnershipPrivilege	3480	svchost.exe
Token: SeLoadDriverPrivilege	3480	svchost.exe
Token: SeSystemProfilePrivilege	3480	svchost.exe
Token: SeSystemtimePrivilege	3480	svchost.exe
Token: SeProfSingleProcessPrivilege	3480	svchost.exe
Token: SeIncBasePriorityPrivilege	3480	svchost.exe
Token: SeCreatePagefilePrivilege	3480	svchost.exe
Token: SeBackupPrivilege	3480	svchost.exe
Token: SeRestorePrivilege	3480	svchost.exe
Token: SeShutdownPrivilege	3480	svchost.exe
Token: SeDebugPrivilege	3480	svchost.exe
Token: SeSystemEnvironmentPrivilege	3480	svchost.exe
Token: SeChangeNotifyPrivilege	3480	svchost.exe
Token: SeRemoteShutdownPrivilege	3480	svchost.exe
Token: SeUndockPrivilege	3480	svchost.exe
Token: SeManageVolumePrivilege	3480	svchost.exe
Token: SeImpersonatePrivilege	3480	svchost.exe
Token: SeCreateGlobalPrivilege	3480	svchost.exe
Token: 33	3480	svchost.exe
Token: 34	3480	svchost.exe
Token: 35	3480	svchost.exe
Token: 36	3480	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

3480 svchost.exe

pid	process
3480	svchost.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe

description	pid	process	target process
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 3480	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	svchost.exe
PID 4480 wrote to memory of 4596	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	WScript.exe
PID 4480 wrote to memory of 4596	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	WScript.exe
PID 4480 wrote to memory of 4596	4480	f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe	WScript.exe

C:\Users\Admin\AppData\Local\Temp\f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe
"C:\Users\Admin\AppData\Local\Temp\f3115fa081a1088e6b33272e3ac048508063cd07b8b28a0cf4f68aff9e0fdc87.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3480

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\j.vbs"
2⤵
PID:4596

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\j.vbs
Filesize
343B

MD5
65f94bdf37000c4e117754678961b3df

SHA1
1c923def5d3198b49e4ace9c5054d1a41324d43a

SHA256
a8fd3a5c18a3ba04d4634974ad524c9283089148cc677fee58d311a0aa6b950b

SHA512
f21526e5ccb670e38a18bdd4dd49ca595569df5e0d83a3da2c5853205de440c81724409f84017132df4bb06e1d5e3604b7853669169238bc0a60610eab31dd05

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/3480-138-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3480-137-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3480-134-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3480-140-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3480-141-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3480-133-0x0000000000000000-mapping.dmp

Download
memory/3480-145-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4480-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4480-144-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4596-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads