darkcomet | a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524

General

Target

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
Size

482KB
MD5

f2f7cfa52dfc0b877df89c4bf4d138a7
SHA1

e6804bcca41c74d1c6444617aa2423d299d22ef0
SHA256

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524
SHA512

bb8adb6edf1d37889f593f85e52be2e68440ce7be11bac64de82356405b5e22a0dc0f03ef8597786a1c07ac44ab174dfcbd621daad54cfdb1cfa31f5fa74a589
SSDEEP

6144:N5aR3qdsUCvsj5TFbqJv3JJ9HHuvyrMhKZeKeSaAqEX5S0gQe05yG+rR8D4p/k1:N5aRadsUCEj5TFu5baAX5S7rKA24x8

Score

10^/10

darkcomet november discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

November

C2

m1kr.no-ip.org:1604

m1kr.no-ip.org:5555

m1kr.no-ip.org:200

m1kr.no-ip.org:300

nogameress.sytes.net:222

nogameress.sytes.net:333

nogameress.sytes.net:200

nogameress.sytes.net:300

nogameress.sytes.net:1604

Mutex

DC_MUTEX-7YGZD14

Attributes

gencode
YSQq3rnTFa3W
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\NoveLast\\2XOlO01E8fmg.exe\",explorer.exe"	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

description	pid	process	target process
PID 5072 set thread context of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe

UPX packed file 21 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3644-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3644-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exevbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

pid	process
5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
Token: SeDebugPrivilege	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
Token: SeIncreaseQuotaPrivilege	3644	vbc.exe
Token: SeSecurityPrivilege	3644	vbc.exe
Token: SeTakeOwnershipPrivilege	3644	vbc.exe
Token: SeLoadDriverPrivilege	3644	vbc.exe
Token: SeSystemProfilePrivilege	3644	vbc.exe
Token: SeSystemtimePrivilege	3644	vbc.exe
Token: SeProfSingleProcessPrivilege	3644	vbc.exe
Token: SeIncBasePriorityPrivilege	3644	vbc.exe
Token: SeCreatePagefilePrivilege	3644	vbc.exe
Token: SeBackupPrivilege	3644	vbc.exe
Token: SeRestorePrivilege	3644	vbc.exe
Token: SeShutdownPrivilege	3644	vbc.exe
Token: SeDebugPrivilege	3644	vbc.exe
Token: SeSystemEnvironmentPrivilege	3644	vbc.exe
Token: SeChangeNotifyPrivilege	3644	vbc.exe
Token: SeRemoteShutdownPrivilege	3644	vbc.exe
Token: SeUndockPrivilege	3644	vbc.exe
Token: SeManageVolumePrivilege	3644	vbc.exe
Token: SeImpersonatePrivilege	3644	vbc.exe
Token: SeCreateGlobalPrivilege	3644	vbc.exe
Token: 33	3644	vbc.exe
Token: 34	3644	vbc.exe
Token: 35	3644	vbc.exe
Token: 36	3644	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

3644 vbc.exe

pid	process
3644	vbc.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

description	pid	process	target process
PID 5072 wrote to memory of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 5072 wrote to memory of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 5072 wrote to memory of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 5072 wrote to memory of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 5072 wrote to memory of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 5072 wrote to memory of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 5072 wrote to memory of 3644	5072	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
"C:\Users\Admin\AppData\Local\Temp\a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3644-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5072-0-0x0000000075142000-0x0000000075143000-memory.dmp

Filesize
4KB

Download
memory/5072-1-0x0000000075140000-0x00000000756F1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-5-0x0000000075140000-0x00000000756F1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-2-0x0000000075140000-0x00000000756F1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-7-0x0000000075140000-0x00000000756F1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-6-0x0000000075140000-0x00000000756F1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-4-0x0000000075142000-0x0000000075143000-memory.dmp

Filesize
4KB

Download
memory/5072-3-0x0000000075140000-0x00000000756F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads