darkcomet | ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf

General

Target

ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe
Size

656KB
MD5

43cf563f1ec7d4e846fb8026b25dfd22
SHA1

8f17ea13d266f6000700264447eebcfca706ac87
SHA256

ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf
SHA512

d526402638b4afd4510c7b18beff61b5eb16b2c69a8ec5a6b08b555b6fb52e022c8026b2db69c062f0f3ddb482b3f7ead0140350c2c795236971a2c7e0d302ca
SSDEEP

12288:p+zAJeM/XzsV9TBhwxPtztYHz4A7dfmHZJXPgu6Z08vm:p+8JX/Xz29TBO1BYT4A7Bmr4u6Z08m

Score

10^/10

darkcomet ify persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

IFY

C2

uche.ddns.net:1604

Mutex

DC_MUTEX-UU8NM43

Attributes

gencode
8tkYU6w6xNHG
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:

ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe

Executes dropped EXE 1 IoCs

Processes:

notepad .exe

pid process

2264 notepad .exe

pid	process
2264	notepad .exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2264-142-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2264-145-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2264-146-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2264-148-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2264-149-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2264-150-0x0000000000400000-0x00000000004B7000-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.exeae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe

description	pid	process	target process
PID 4728 set thread context of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.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

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe

pid	process
4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe
4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe
4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exenotepad .exe

description	pid	process
Token: SeDebugPrivilege	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe
Token: SeIncreaseQuotaPrivilege	2264	notepad .exe
Token: SeSecurityPrivilege	2264	notepad .exe
Token: SeTakeOwnershipPrivilege	2264	notepad .exe
Token: SeLoadDriverPrivilege	2264	notepad .exe
Token: SeSystemProfilePrivilege	2264	notepad .exe
Token: SeSystemtimePrivilege	2264	notepad .exe
Token: SeProfSingleProcessPrivilege	2264	notepad .exe
Token: SeIncBasePriorityPrivilege	2264	notepad .exe
Token: SeCreatePagefilePrivilege	2264	notepad .exe
Token: SeBackupPrivilege	2264	notepad .exe
Token: SeRestorePrivilege	2264	notepad .exe
Token: SeShutdownPrivilege	2264	notepad .exe
Token: SeDebugPrivilege	2264	notepad .exe
Token: SeSystemEnvironmentPrivilege	2264	notepad .exe
Token: SeChangeNotifyPrivilege	2264	notepad .exe
Token: SeRemoteShutdownPrivilege	2264	notepad .exe
Token: SeUndockPrivilege	2264	notepad .exe
Token: SeManageVolumePrivilege	2264	notepad .exe
Token: SeImpersonatePrivilege	2264	notepad .exe
Token: SeCreateGlobalPrivilege	2264	notepad .exe
Token: 33	2264	notepad .exe
Token: 34	2264	notepad .exe
Token: 35	2264	notepad .exe
Token: 36	2264	notepad .exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

notepad .exe

pid process

2264 notepad .exe

pid	process
2264	notepad .exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.execmd.exewscript.exe

description	pid	process	target process
PID 4728 wrote to memory of 1404	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	cmd.exe
PID 4728 wrote to memory of 1404	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	cmd.exe
PID 4728 wrote to memory of 1404	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	cmd.exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 1404 wrote to memory of 3468	1404	cmd.exe	wscript.exe
PID 1404 wrote to memory of 3468	1404	cmd.exe	wscript.exe
PID 1404 wrote to memory of 3468	1404	cmd.exe	wscript.exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 4728 wrote to memory of 2264	4728	ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe	notepad .exe
PID 3468 wrote to memory of 5052	3468	wscript.exe	cmd.exe
PID 3468 wrote to memory of 5052	3468	wscript.exe	cmd.exe
PID 3468 wrote to memory of 5052	3468	wscript.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.exe
"C:\Users\Admin\AppData\Local\Temp\ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf.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:4728

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:1404

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:3468

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
4⤵
PID:5052

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:2264

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\file.exe
Filesize
656KB

MD5
43cf563f1ec7d4e846fb8026b25dfd22

SHA1
8f17ea13d266f6000700264447eebcfca706ac87

SHA256
ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf

SHA512
d526402638b4afd4510c7b18beff61b5eb16b2c69a8ec5a6b08b555b6fb52e022c8026b2db69c062f0f3ddb482b3f7ead0140350c2c795236971a2c7e0d302ca

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
656KB

MD5
43cf563f1ec7d4e846fb8026b25dfd22

SHA1
8f17ea13d266f6000700264447eebcfca706ac87

SHA256
ae09e31694f993c501a0be510387740d2c0183746cd211e06df209832780f0bf

SHA512
d526402638b4afd4510c7b18beff61b5eb16b2c69a8ec5a6b08b555b6fb52e022c8026b2db69c062f0f3ddb482b3f7ead0140350c2c795236971a2c7e0d302ca

Download Submit
memory/1404-133-0x0000000000000000-mapping.dmp

Download
memory/2264-142-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2264-136-0x0000000000000000-mapping.dmp

Download
memory/2264-145-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2264-146-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2264-148-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2264-149-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2264-150-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3468-135-0x0000000000000000-mapping.dmp

Download
memory/4728-141-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/4728-132-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/4728-152-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/5052-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads