darkcomet | f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 06:26

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General

Target

f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
Size

520KB
MD5

17705720e760c663115260a1693becc3
SHA1

444d41ab035b90b971cbc7df34a9c0fac6069c04
SHA256

f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc
SHA512

c1b582123b9e99a6c301652ed9103d43eefeb0ff831069e399d23bf4ee33c581799224bedae6a1dd639a936d22414722f08b6768c5855c410da084cd418c8e6c
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbm:f9fC3hh29Ya77A90aFtDfT5IMbm

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
1804	winupd.exe
4600	winupd.exe
4444	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1404 set thread context of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1804 set thread context of 4600	1804	winupd.exe	99
PID 1804 set thread context of 4444	1804	winupd.exe	100

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4444-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4444-53-0x0000000000400000-0x00000000004B7000-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	procid_target
4344	1676	WerFault.exe	101

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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.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
1676	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4444	winupd.exe
Token: SeSecurityPrivilege	4444	winupd.exe
Token: SeTakeOwnershipPrivilege	4444	winupd.exe
Token: SeLoadDriverPrivilege	4444	winupd.exe
Token: SeSystemProfilePrivilege	4444	winupd.exe
Token: SeSystemtimePrivilege	4444	winupd.exe
Token: SeProfSingleProcessPrivilege	4444	winupd.exe
Token: SeIncBasePriorityPrivilege	4444	winupd.exe
Token: SeCreatePagefilePrivilege	4444	winupd.exe
Token: SeBackupPrivilege	4444	winupd.exe
Token: SeRestorePrivilege	4444	winupd.exe
Token: SeShutdownPrivilege	4444	winupd.exe
Token: SeDebugPrivilege	4444	winupd.exe
Token: SeSystemEnvironmentPrivilege	4444	winupd.exe
Token: SeChangeNotifyPrivilege	4444	winupd.exe
Token: SeRemoteShutdownPrivilege	4444	winupd.exe
Token: SeUndockPrivilege	4444	winupd.exe
Token: SeManageVolumePrivilege	4444	winupd.exe
Token: SeImpersonatePrivilege	4444	winupd.exe
Token: SeCreateGlobalPrivilege	4444	winupd.exe
Token: 33	4444	winupd.exe
Token: 34	4444	winupd.exe
Token: 35	4444	winupd.exe
Token: 36	4444	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
1592	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
1804	winupd.exe
4600	winupd.exe
4444	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1404 wrote to memory of 1592	1404	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	94
PID 1592 wrote to memory of 1804	1592	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	95
PID 1592 wrote to memory of 1804	1592	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	95
PID 1592 wrote to memory of 1804	1592	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	95
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4600	1804	winupd.exe	99
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 1804 wrote to memory of 4444	1804	winupd.exe	100
PID 4600 wrote to memory of 1676	4600	winupd.exe	101
PID 4600 wrote to memory of 1676	4600	winupd.exe	101
PID 4600 wrote to memory of 1676	4600	winupd.exe	101
PID 4600 wrote to memory of 1676	4600	winupd.exe	101
PID 4600 wrote to memory of 1676	4600	winupd.exe	101

C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
"C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
  "C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1592
- - 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:1804
  - - 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:4600
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:1676
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 272
        6⤵
        Program crash
        
        PID:4344
  - - 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:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1676 -ip 1676
1⤵
PID:2044

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
45aee78258cc571364c336c576543f8b

SHA1
c58fe313ca6bc79ec1c060847e6c1869aa5589c2

SHA256
a166a16b28e07cf2ac2a52b319d0603b14f449c5ff78ccb729364e7094a6ac93

SHA512
d6ebcbb3184270ae313cddcd05fa06a8fa6aecc8a01af669a8fda413f6bd97e7c8be95ec4e60df259d99819af9e78aef73a516bc35acb518e3f21f6240544aae

Download Submit
memory/1404-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1404-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1404-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1404-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1404-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1592-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1592-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1592-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1592-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1804-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1804-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1804-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4444-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4444-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4600-41-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download