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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\NoveLast\\tyCWqjjLUY5f.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 2384 set thread context of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe

UPX packed file 22 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2884-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-37-0x0000000000400000-0x00000000004B7000-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
2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
Token: SeDebugPrivilege	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe
Token: SeIncreaseQuotaPrivilege	2884	vbc.exe
Token: SeSecurityPrivilege	2884	vbc.exe
Token: SeTakeOwnershipPrivilege	2884	vbc.exe
Token: SeLoadDriverPrivilege	2884	vbc.exe
Token: SeSystemProfilePrivilege	2884	vbc.exe
Token: SeSystemtimePrivilege	2884	vbc.exe
Token: SeProfSingleProcessPrivilege	2884	vbc.exe
Token: SeIncBasePriorityPrivilege	2884	vbc.exe
Token: SeCreatePagefilePrivilege	2884	vbc.exe
Token: SeBackupPrivilege	2884	vbc.exe
Token: SeRestorePrivilege	2884	vbc.exe
Token: SeShutdownPrivilege	2884	vbc.exe
Token: SeDebugPrivilege	2884	vbc.exe
Token: SeSystemEnvironmentPrivilege	2884	vbc.exe
Token: SeChangeNotifyPrivilege	2884	vbc.exe
Token: SeRemoteShutdownPrivilege	2884	vbc.exe
Token: SeUndockPrivilege	2884	vbc.exe
Token: SeManageVolumePrivilege	2884	vbc.exe
Token: SeImpersonatePrivilege	2884	vbc.exe
Token: SeCreateGlobalPrivilege	2884	vbc.exe
Token: 33	2884	vbc.exe
Token: 34	2884	vbc.exe
Token: 35	2884	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

2884 vbc.exe

pid	process
2884	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe

description	pid	process	target process
PID 2384 wrote to memory of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 2384 wrote to memory of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 2384 wrote to memory of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 2384 wrote to memory of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 2384 wrote to memory of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 2384 wrote to memory of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 2384 wrote to memory of 2884	2384	a584adb1a81d88a9d61cf8929d2e7ceeb4d22d5209a390b15ffdb91c82a42524.exe	vbc.exe
PID 2384 wrote to memory of 2884	2384	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:2384
- 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:2884

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/2384-0-0x00000000748C1000-0x00000000748C2000-memory.dmp

Filesize
4KB

Download
memory/2384-1-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-2-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-3-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-4-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-6-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-5-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-7-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-8-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2884-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads