darkcomet | e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263

Analysis

max time kernel
188s
max time network
224s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 19:46

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General

Target

e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe
Size

1.4MB
MD5

867a94427df23e7400f1912e0054c02e
SHA1

c8004ee0f6895757e6e3c391100b09ca6fedacc3
SHA256

e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263
SHA512

a2ef02dd014ab123d372b9925b86e352cc1324cb0ebc8838f94e52243fef2d867a49ad132e8c7e35b983d9395b7140e4a454f4dfa20d17aad7de6ee04fce579d
SSDEEP

24576:V6f6UcjbYmVn3hITCmvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:V861jnJgjYlDZ3+UT/E

Score

10^/10

darkcomet gyge persistence rat spyware stealer trojan

Malware Config

Extracted

Family

darkcomet

Botnet

gyge

127.0.0.1:1604

Mutex

DCMIN_MUTEX-CZGVNEU

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
2uuQwotMFJj1
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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:

svchost.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"	svchost.exe

Executes dropped EXE 4 IoCs

Processes:

STUB.exeSTUB.exesvchost.exeIMDCSC.exe

pid process

4684 STUB.exe
1232 STUB.exe
3816 svchost.exe
2028 IMDCSC.exe

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exee8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exeSTUB.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	STUB.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exeSTUB.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "C:\\Users\\Admin\\AppData\\Roaming\\e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe"	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\crss = "C:\\Users\\Admin\\AppData\\Roaming\\fud istealer 2.exe"	STUB.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

STUB.exeSTUB.exee8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe

description	pid	process	target process
PID 4684 set thread context of 4496	4684	STUB.exe	vbc.exe
PID 1232 set thread context of 4504	1232	STUB.exe	vbc.exe
PID 2032 set thread context of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

STUB.exeSTUB.exe

pid	process
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe
1232	STUB.exe
4684	STUB.exe
4684	STUB.exe
1232	STUB.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

Processes:

STUB.exeSTUB.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4684	STUB.exe
Token: SeDebugPrivilege	1232	STUB.exe
Token: SeIncreaseQuotaPrivilege	3816	svchost.exe
Token: SeSecurityPrivilege	3816	svchost.exe
Token: SeTakeOwnershipPrivilege	3816	svchost.exe
Token: SeLoadDriverPrivilege	3816	svchost.exe
Token: SeSystemProfilePrivilege	3816	svchost.exe
Token: SeSystemtimePrivilege	3816	svchost.exe
Token: SeProfSingleProcessPrivilege	3816	svchost.exe
Token: SeIncBasePriorityPrivilege	3816	svchost.exe
Token: SeCreatePagefilePrivilege	3816	svchost.exe
Token: SeBackupPrivilege	3816	svchost.exe
Token: SeRestorePrivilege	3816	svchost.exe
Token: SeShutdownPrivilege	3816	svchost.exe
Token: SeDebugPrivilege	3816	svchost.exe
Token: SeSystemEnvironmentPrivilege	3816	svchost.exe
Token: SeChangeNotifyPrivilege	3816	svchost.exe
Token: SeRemoteShutdownPrivilege	3816	svchost.exe
Token: SeUndockPrivilege	3816	svchost.exe
Token: SeManageVolumePrivilege	3816	svchost.exe
Token: SeImpersonatePrivilege	3816	svchost.exe
Token: SeCreateGlobalPrivilege	3816	svchost.exe
Token: 33	3816	svchost.exe
Token: 34	3816	svchost.exe
Token: 35	3816	svchost.exe
Token: 36	3816	svchost.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exeSTUB.exeSTUB.exesvchost.exe

description	pid	process	target process
PID 2032 wrote to memory of 4684	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	STUB.exe
PID 2032 wrote to memory of 4684	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	STUB.exe
PID 2032 wrote to memory of 4684	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	STUB.exe
PID 4684 wrote to memory of 1232	4684	STUB.exe	STUB.exe
PID 4684 wrote to memory of 1232	4684	STUB.exe	STUB.exe
PID 4684 wrote to memory of 1232	4684	STUB.exe	STUB.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 4684 wrote to memory of 4496	4684	STUB.exe	vbc.exe
PID 1232 wrote to memory of 4504	1232	STUB.exe	vbc.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 2032 wrote to memory of 3816	2032	e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe	svchost.exe
PID 3816 wrote to memory of 2028	3816	svchost.exe	IMDCSC.exe
PID 3816 wrote to memory of 2028	3816	svchost.exe	IMDCSC.exe
PID 3816 wrote to memory of 2028	3816	svchost.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe
"C:\Users\Admin\AppData\Local\Temp\e8acd36b264ba0f6ef059bd9e31a2adbae4ae8271462880501bbc786dd087263.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2032

C:\Users\Admin\AppData\Local\Temp\STUB.exe
"C:\Users\Admin\AppData\Local\Temp\STUB.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684

C:\Users\Admin\AppData\Local\Temp\STUB.exe
"C:\Users\Admin\AppData\Local\Temp\STUB.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
4⤵
PID:4504

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
3⤵
PID:4496

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
2⤵
- 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:3816

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
"C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
3⤵
- Executes dropped EXE
PID:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\STUB.exe
Filesize
471KB

MD5
c928bc831e6ce7922c9fe238cdabb934

SHA1
fde9ab78e71d9800f6f2cdfb86a3f8a66d3aed52

SHA256
bcaf53d9cb39dc6031270bfa336d450aae0cbab112d5e7cbf369702f1a9bcf24

SHA512
07d7a5557bb56ceaf72c65b65c3fd5e1ddbd10dd75a5b6ac726b0e95c33eb1ea0c77f996b1969991452f12accb92c0628f68832e64c9f679450d4147ef57cf5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\STUB.exe
Filesize
471KB

MD5
c928bc831e6ce7922c9fe238cdabb934

SHA1
fde9ab78e71d9800f6f2cdfb86a3f8a66d3aed52

SHA256
bcaf53d9cb39dc6031270bfa336d450aae0cbab112d5e7cbf369702f1a9bcf24

SHA512
07d7a5557bb56ceaf72c65b65c3fd5e1ddbd10dd75a5b6ac726b0e95c33eb1ea0c77f996b1969991452f12accb92c0628f68832e64c9f679450d4147ef57cf5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\STUB.exe
Filesize
471KB

MD5
c928bc831e6ce7922c9fe238cdabb934

SHA1
fde9ab78e71d9800f6f2cdfb86a3f8a66d3aed52

SHA256
bcaf53d9cb39dc6031270bfa336d450aae0cbab112d5e7cbf369702f1a9bcf24

SHA512
07d7a5557bb56ceaf72c65b65c3fd5e1ddbd10dd75a5b6ac726b0e95c33eb1ea0c77f996b1969991452f12accb92c0628f68832e64c9f679450d4147ef57cf5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Roaming\chrtmp
Filesize
88KB

MD5
8ee018331e95a610680a789192a9d362

SHA1
e1fba0ac3f3d8689acf6c2ee26afdfd0c8e02df9

SHA256
94354ea6703c5ef5fa052aeb1d29715587d80300858ebc063a61c02b7e6e9575

SHA512
4b89b5adc77641e497eda7db62a48fee7b4b8dda83bff637cac850645d31deb93aafee5afeb41390e07fd16505a63f418b6cb153a1d35777c483e2d6d3f783b4

Download Submit
C:\Users\Admin\AppData\Roaming\fud istealer 2.exe
Filesize
471KB

MD5
c928bc831e6ce7922c9fe238cdabb934

SHA1
fde9ab78e71d9800f6f2cdfb86a3f8a66d3aed52

SHA256
bcaf53d9cb39dc6031270bfa336d450aae0cbab112d5e7cbf369702f1a9bcf24

SHA512
07d7a5557bb56ceaf72c65b65c3fd5e1ddbd10dd75a5b6ac726b0e95c33eb1ea0c77f996b1969991452f12accb92c0628f68832e64c9f679450d4147ef57cf5d

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1232-165-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/1232-136-0x0000000000000000-mapping.dmp

Download
memory/1232-156-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/2028-162-0x0000000000000000-mapping.dmp

Download
memory/2032-157-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/2032-132-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

Download
memory/3816-145-0x0000000000000000-mapping.dmp

Download
memory/3816-154-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3816-158-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3816-149-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3816-160-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3816-161-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4496-138-0x0000000000000000-mapping.dmp

Download
memory/4496-153-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4496-146-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4496-141-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4504-140-0x0000000000000000-mapping.dmp

Download
memory/4504-155-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

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memory/4684-147-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

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memory/4684-133-0x0000000000000000-mapping.dmp

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memory/4684-166-0x0000000074E50000-0x0000000075401000-memory.dmp

Filesize
5.7MB

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