darkcomet | 00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1

General

Target

00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe
Size

602KB
MD5

10c1f5e88fc58c3b81f674b236f865a7
SHA1

81c2c3503264b4e93138d01d2d3d9f35d20fa16e
SHA256

00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1
SHA512

ff66f2af00d2dc75151c7b3bd57f14939a07616f6791d9d6e93662473e1374b6ea0c736a7bb1aa9ae9e6d97e6d22b23df3be13876503db04f3a70a886934d9c2
SSDEEP

12288:d5POFJhOmLP8f8WN3wE2qW9VqaBeK0NUecJ4:TgkmwEW2BqUVqaN0F

Score

10^/10

darkcomet power persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

POWER

C2

uche.ddns.net:1604

Mutex

DC_MUTEX-AN3QBSU

Attributes

gencode
WEYVhvx4N8NX
install
false
offline_keylogger
true
persistence
false

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:

00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe

Executes dropped EXE 1 IoCs

Processes:

notepad .exe

pid process

5100 notepad .exe

pid	process
5100	notepad .exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/5100-139-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5100-145-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5100-146-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5100-148-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5100-149-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5100-150-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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:

wscript.exe00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe

description	pid	process	target process
PID 816 set thread context of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe

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

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

432 timeout.exe

pid	process
432	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe

pid	process
816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe
816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe
816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exenotepad .exe

description	pid	process
Token: SeDebugPrivilege	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe
Token: SeIncreaseQuotaPrivilege	5100	notepad .exe
Token: SeSecurityPrivilege	5100	notepad .exe
Token: SeTakeOwnershipPrivilege	5100	notepad .exe
Token: SeLoadDriverPrivilege	5100	notepad .exe
Token: SeSystemProfilePrivilege	5100	notepad .exe
Token: SeSystemtimePrivilege	5100	notepad .exe
Token: SeProfSingleProcessPrivilege	5100	notepad .exe
Token: SeIncBasePriorityPrivilege	5100	notepad .exe
Token: SeCreatePagefilePrivilege	5100	notepad .exe
Token: SeBackupPrivilege	5100	notepad .exe
Token: SeRestorePrivilege	5100	notepad .exe
Token: SeShutdownPrivilege	5100	notepad .exe
Token: SeDebugPrivilege	5100	notepad .exe
Token: SeSystemEnvironmentPrivilege	5100	notepad .exe
Token: SeChangeNotifyPrivilege	5100	notepad .exe
Token: SeRemoteShutdownPrivilege	5100	notepad .exe
Token: SeUndockPrivilege	5100	notepad .exe
Token: SeManageVolumePrivilege	5100	notepad .exe
Token: SeImpersonatePrivilege	5100	notepad .exe
Token: SeCreateGlobalPrivilege	5100	notepad .exe
Token: 33	5100	notepad .exe
Token: 34	5100	notepad .exe
Token: 35	5100	notepad .exe
Token: 36	5100	notepad .exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

notepad .exe

pid process

5100 notepad .exe

pid	process
5100	notepad .exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.execmd.exewscript.execmd.exe

description	pid	process	target process
PID 816 wrote to memory of 3144	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	cmd.exe
PID 816 wrote to memory of 3144	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	cmd.exe
PID 816 wrote to memory of 3144	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	cmd.exe
PID 3144 wrote to memory of 5096	3144	cmd.exe	wscript.exe
PID 3144 wrote to memory of 5096	3144	cmd.exe	wscript.exe
PID 3144 wrote to memory of 5096	3144	cmd.exe	wscript.exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 816 wrote to memory of 5100	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	notepad .exe
PID 5096 wrote to memory of 3508	5096	wscript.exe	cmd.exe
PID 5096 wrote to memory of 3508	5096	wscript.exe	cmd.exe
PID 5096 wrote to memory of 3508	5096	wscript.exe	cmd.exe
PID 816 wrote to memory of 4552	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	cmd.exe
PID 816 wrote to memory of 4552	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	cmd.exe
PID 816 wrote to memory of 4552	816	00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe	cmd.exe
PID 4552 wrote to memory of 432	4552	cmd.exe	timeout.exe
PID 4552 wrote to memory of 432	4552	cmd.exe	timeout.exe
PID 4552 wrote to memory of 432	4552	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe
"C:\Users\Admin\AppData\Local\Temp\00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:3144

C:\Windows\SysWOW64\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5096

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
4⤵
PID:3508

C:\Users\Admin\AppData\Local\Temp\notepad .exe
"C:\Users\Admin\AppData\Local\Temp\notepad .exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5100

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\stres.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:4552

C:\Windows\SysWOW64\timeout.exe
timeout /t 300
3⤵
- Delays execution with timeout.exe
PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\file.exe
Filesize
602KB

MD5
10c1f5e88fc58c3b81f674b236f865a7

SHA1
81c2c3503264b4e93138d01d2d3d9f35d20fa16e

SHA256
00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1

SHA512
ff66f2af00d2dc75151c7b3bd57f14939a07616f6791d9d6e93662473e1374b6ea0c736a7bb1aa9ae9e6d97e6d22b23df3be13876503db04f3a70a886934d9c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\invs.vbs
Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata.bat
Filesize
47B

MD5
58c538a6ae20a3c6031217903cdf8e5d

SHA1
399fd50eadf4945b665877facfc4f53d16e18b1e

SHA256
6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

SHA512
c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata2.bat
Filesize
47B

MD5
095b2908ae8b2e0e3704c0163f26e283

SHA1
3429b6c1421d448c98c1da9625badcea2484a521

SHA256
22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1

SHA512
e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731

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

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

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

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll11-.txt
Filesize
602KB

MD5
10c1f5e88fc58c3b81f674b236f865a7

SHA1
81c2c3503264b4e93138d01d2d3d9f35d20fa16e

SHA256
00d2305abc3da7774ba6457af59e1eed6707d7f25301b7cb8c92d15b710b7ea1

SHA512
ff66f2af00d2dc75151c7b3bd57f14939a07616f6791d9d6e93662473e1374b6ea0c736a7bb1aa9ae9e6d97e6d22b23df3be13876503db04f3a70a886934d9c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\stres.bat
Filesize
200B

MD5
fc10f5325d4bf4be8eaac50c0a463469

SHA1
54d4daf129d17abf8284835017865f99c70ffe22

SHA256
acf2946adf8e613c5f2d776863f844b9572fc580eb4d9324f285d1bb3844e70e

SHA512
ae3ba84843312be74fda36615bd476f7b6aec5223cc0dbb183d42a57c27a8d2a6545f5273866ded6d3e3c31ef640724c74c0f47992c1c825f6f2e56ab5160490

Download Submit
memory/432-153-0x0000000000000000-mapping.dmp

Download
memory/816-132-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/816-155-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/816-133-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/3144-134-0x0000000000000000-mapping.dmp

Download
memory/3508-141-0x0000000000000000-mapping.dmp

Download
memory/4552-151-0x0000000000000000-mapping.dmp

Download
memory/5096-136-0x0000000000000000-mapping.dmp

Download
memory/5100-137-0x0000000000000000-mapping.dmp

Download
memory/5100-150-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5100-149-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5100-148-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5100-146-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5100-145-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5100-139-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads