darkcomet | 917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 00:50

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General

Target

917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
Size

520KB
MD5

3bdc5ddad06f63a72016d133ba2f118d
SHA1

b9b180f3f9e7fcb5f37063b1761673cbce27ca2a
SHA256

917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c
SHA512

581d37cde0df25c0f463e5cae287f688c52e5e0542a1a9f3e4df14076f8067889797888623ca9eeba712f27d2ce48e40770768a97dd52c2257d63a982876f0d5
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbA:f9fC3hh29Ya77A90aFtDfT5IMbA

Score

10^/10

darkcomet privateeye discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
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

Executes dropped EXE 3 IoCs

pid	Process
3552	winupd.exe
964	winupd.exe
3008	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3520 set thread context of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3552 set thread context of 964	3552	winupd.exe	93
PID 3552 set thread context of 3008	3552	winupd.exe	94

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3008-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3008-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process
3828	4444	WerFault.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4444	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3008	winupd.exe
Token: SeSecurityPrivilege	3008	winupd.exe
Token: SeTakeOwnershipPrivilege	3008	winupd.exe
Token: SeLoadDriverPrivilege	3008	winupd.exe
Token: SeSystemProfilePrivilege	3008	winupd.exe
Token: SeSystemtimePrivilege	3008	winupd.exe
Token: SeProfSingleProcessPrivilege	3008	winupd.exe
Token: SeIncBasePriorityPrivilege	3008	winupd.exe
Token: SeCreatePagefilePrivilege	3008	winupd.exe
Token: SeBackupPrivilege	3008	winupd.exe
Token: SeRestorePrivilege	3008	winupd.exe
Token: SeShutdownPrivilege	3008	winupd.exe
Token: SeDebugPrivilege	3008	winupd.exe
Token: SeSystemEnvironmentPrivilege	3008	winupd.exe
Token: SeChangeNotifyPrivilege	3008	winupd.exe
Token: SeRemoteShutdownPrivilege	3008	winupd.exe
Token: SeUndockPrivilege	3008	winupd.exe
Token: SeManageVolumePrivilege	3008	winupd.exe
Token: SeImpersonatePrivilege	3008	winupd.exe
Token: SeCreateGlobalPrivilege	3008	winupd.exe
Token: 33	3008	winupd.exe
Token: 34	3008	winupd.exe
Token: 35	3008	winupd.exe
Token: 36	3008	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
1220	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
3552	winupd.exe
964	winupd.exe
3008	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 3520 wrote to memory of 1220	3520	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	89
PID 1220 wrote to memory of 3552	1220	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	90
PID 1220 wrote to memory of 3552	1220	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	90
PID 1220 wrote to memory of 3552	1220	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	90
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 964	3552	winupd.exe	93
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 3552 wrote to memory of 3008	3552	winupd.exe	94
PID 964 wrote to memory of 4444	964	winupd.exe	95
PID 964 wrote to memory of 4444	964	winupd.exe	95
PID 964 wrote to memory of 4444	964	winupd.exe	95
PID 964 wrote to memory of 4444	964	winupd.exe	95
PID 964 wrote to memory of 4444	964	winupd.exe	95

C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
"C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
  "C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:964
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4444
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 272
        6⤵
        Program crash
        
        PID:3828
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4444 -ip 4444
1⤵
PID:5024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
2970b06e0fe8dd2d484a9277121d26c2

SHA1
7d3d56d91889292dfbaaa945e83b8119693004c7

SHA256
d3f32956c268070e499570f563c7a5c808cd67cb3a9cf450122cc0239610a1ff

SHA512
cf35262dc72819e8a12fddf2729277eadf367c865fe9d7ea5de9cc0b1c98dc3730e40fa6c2c87ba2af8bb320ed680a09198f2756968278bc2efa88917351c3f8

Download Submit
memory/964-43-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1220-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1220-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1220-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1220-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3008-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3008-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3520-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3520-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3520-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3520-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3520-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3552-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3552-32-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3552-31-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3552-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download