darkcomet | 93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224

General

Target

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe
Size

1.2MB
MD5

4ff9fd4cc7578f99ae0009d289058299
SHA1

780eb1b18937af9f119b21fe96054a94f9634608
SHA256

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224
SHA512

78dcef0301cab8f7c71fae85dab4485adea05e144a515ee6dcdf98aaff8fd65dd0e178d6d2ca45e85ae97fc0a1741ed13184caa4d7afb5be86f2611e69f5e346
SSDEEP

24576:wQOK4AtPhapwzHXddGXoVOYzA7uN3OrdvNBjCq:wQnaerX3go1zjN3OZFBjCq

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

justinisgey.no-ip.org:1604

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
mtbCGnpKBufi
install
false
offline_keylogger
true
password
024098
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:

vbc.exe

pid process

1072 vbc.exe
Loads dropped DLL 1 IoCs

Processes:

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

pid process

1880 93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1072	vbc.exe

pid	process
1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\JavaUpdater = "C:\\Users\\Admin\\AppData\\Roaming\\JavaUpdater\\93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe"	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

description	pid	process	target process
PID 1880 set thread context of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.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 behavior: EnumeratesProcesses 1 IoCs

Processes:

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

pid process

1880 93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

pid	process
1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe
Token: SeIncreaseQuotaPrivilege	1072	vbc.exe
Token: SeSecurityPrivilege	1072	vbc.exe
Token: SeTakeOwnershipPrivilege	1072	vbc.exe
Token: SeLoadDriverPrivilege	1072	vbc.exe
Token: SeSystemProfilePrivilege	1072	vbc.exe
Token: SeSystemtimePrivilege	1072	vbc.exe
Token: SeProfSingleProcessPrivilege	1072	vbc.exe
Token: SeIncBasePriorityPrivilege	1072	vbc.exe
Token: SeCreatePagefilePrivilege	1072	vbc.exe
Token: SeBackupPrivilege	1072	vbc.exe
Token: SeRestorePrivilege	1072	vbc.exe
Token: SeShutdownPrivilege	1072	vbc.exe
Token: SeDebugPrivilege	1072	vbc.exe
Token: SeSystemEnvironmentPrivilege	1072	vbc.exe
Token: SeChangeNotifyPrivilege	1072	vbc.exe
Token: SeRemoteShutdownPrivilege	1072	vbc.exe
Token: SeUndockPrivilege	1072	vbc.exe
Token: SeManageVolumePrivilege	1072	vbc.exe
Token: SeImpersonatePrivilege	1072	vbc.exe
Token: SeCreateGlobalPrivilege	1072	vbc.exe
Token: 33	1072	vbc.exe
Token: 34	1072	vbc.exe
Token: 35	1072	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

1072 vbc.exe

pid	process
1072	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe

description	pid	process	target process
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe
PID 1880 wrote to memory of 1072	1880	93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe
"C:\Users\Admin\AppData\Local\Temp\93c73d20cc1496e1b5f1279faab47737d7239abd657d045aceefe50cc2110224.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\vbc.exe
C:\Users\Admin\AppData\Local\Temp\vbc.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1072

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\vbc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
\Users\Admin\AppData\Local\Temp\vbc.exe
Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1072-59-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-71-0x0000000000490888-mapping.dmp

Download
memory/1072-79-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-63-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-61-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-65-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-66-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-68-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-70-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-56-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-57-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-73-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-77-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1072-76-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1880-75-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1880-78-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1880-54-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads