darkcomet | 76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0

General

Target

76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe
Size

720KB
MD5

3d65fef39d9a62779c83e5201d8199fb
SHA1

dcebbb7eb9e1165ade8c2b86622d878da99d7822
SHA256

76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0
SHA512

63dc1c2330345c29b5f225f94b533398ed293204e1ff836806a79fc27325eb1e0940be445027e4f3af3a93a56d1000f4ede7c52e4c22a230a652574cbac228f2
SSDEEP

12288:VPIgdjGu7ST5GhhouT3BK+QLpBUx7MXSLqny3hXd2RuSc1w929FE:VPXdjGu7STCQNpwwiLqnyRtuY7v

Score

10^/10

darkcomet main persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Main

C2

proxydude1.no-ip.biz:1604

Mutex

DCMIN_MUTEX-FJVBHU6

Attributes

gencode
MW7w2GyxBua5
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:

Codename Likes - Ultimate Gold.exe

pid process

4460 Codename Likes - Ultimate Gold.exe

pid	process
4460	Codename Likes - Ultimate Gold.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:

76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JavaUpdate = "C:\\Users\\Admin\\AppData\\Local\\JavaUpdate.exe"	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe

description	pid	process	target process
PID 4260 set thread context of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3664	vbc.exe
Token: SeSecurityPrivilege	3664	vbc.exe
Token: SeTakeOwnershipPrivilege	3664	vbc.exe
Token: SeLoadDriverPrivilege	3664	vbc.exe
Token: SeSystemProfilePrivilege	3664	vbc.exe
Token: SeSystemtimePrivilege	3664	vbc.exe
Token: SeProfSingleProcessPrivilege	3664	vbc.exe
Token: SeIncBasePriorityPrivilege	3664	vbc.exe
Token: SeCreatePagefilePrivilege	3664	vbc.exe
Token: SeBackupPrivilege	3664	vbc.exe
Token: SeRestorePrivilege	3664	vbc.exe
Token: SeShutdownPrivilege	3664	vbc.exe
Token: SeDebugPrivilege	3664	vbc.exe
Token: SeSystemEnvironmentPrivilege	3664	vbc.exe
Token: SeChangeNotifyPrivilege	3664	vbc.exe
Token: SeRemoteShutdownPrivilege	3664	vbc.exe
Token: SeUndockPrivilege	3664	vbc.exe
Token: SeManageVolumePrivilege	3664	vbc.exe
Token: SeImpersonatePrivilege	3664	vbc.exe
Token: SeCreateGlobalPrivilege	3664	vbc.exe
Token: 33	3664	vbc.exe
Token: 34	3664	vbc.exe
Token: 35	3664	vbc.exe
Token: 36	3664	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

3664 vbc.exe

pid	process
3664	vbc.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe

description	pid	process	target process
PID 4260 wrote to memory of 4460	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	Codename Likes - Ultimate Gold.exe
PID 4260 wrote to memory of 4460	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	Codename Likes - Ultimate Gold.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe
PID 4260 wrote to memory of 3664	4260	76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe
"C:\Users\Admin\AppData\Local\Temp\76403cb6bdbe8026323f0c035185b8da65f9326eb05b3095c5cdb6399e35b9b0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4260

C:\Users\Admin\AppData\Local\Codename Likes - Ultimate Gold.exe
"C:\Users\Admin\AppData\Local\Codename Likes - Ultimate Gold.exe"
2⤵
- Executes dropped EXE
PID:4460

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Scripting

1

T1064

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\Codename Likes - Ultimate Gold.exe
Filesize
305KB

MD5
fe725d454bbcb27d96382e3cc13c530d

SHA1
98a160b7bc61e669e379936237d97a047e37151f

SHA256
ce53ad4928e7208f513f87f84056f49e05a202b13c24d096af1c22226c893d23

SHA512
a06d03a2968751e4b1b72ff6f7ce98b6fe88a17ad369115a31b124690c346d9b72f140649ae99a890e3daf976abef93936d38cb8d359c2a2195c984f9c02ad64

Download Submit
C:\Users\Admin\AppData\Local\Codename Likes - Ultimate Gold.exe
Filesize
305KB

MD5
fe725d454bbcb27d96382e3cc13c530d

SHA1
98a160b7bc61e669e379936237d97a047e37151f

SHA256
ce53ad4928e7208f513f87f84056f49e05a202b13c24d096af1c22226c893d23

SHA512
a06d03a2968751e4b1b72ff6f7ce98b6fe88a17ad369115a31b124690c346d9b72f140649ae99a890e3daf976abef93936d38cb8d359c2a2195c984f9c02ad64

Download Submit
memory/3664-138-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3664-137-0x0000000000000000-mapping.dmp

Download
memory/3664-139-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3664-140-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3664-142-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3664-144-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4260-133-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4260-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4260-141-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4460-134-0x0000000000000000-mapping.dmp

Download
memory/4460-143-0x00007FFBC6E60000-0x00007FFBC7896000-memory.dmp

Filesize
10.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads