darkcomet | f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 persistence 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
2656	winupd.exe
2852	winupd.exe
2544	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2772	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2772	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2656	winupd.exe
2656	winupd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 2656 set thread context of 2852	2656	winupd.exe	33
PID 2656 set thread context of 2544	2656	winupd.exe	34

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2544-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-97-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2544-98-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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
3008	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
808	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2544	winupd.exe
Token: SeSecurityPrivilege	2544	winupd.exe
Token: SeTakeOwnershipPrivilege	2544	winupd.exe
Token: SeLoadDriverPrivilege	2544	winupd.exe
Token: SeSystemProfilePrivilege	2544	winupd.exe
Token: SeSystemtimePrivilege	2544	winupd.exe
Token: SeProfSingleProcessPrivilege	2544	winupd.exe
Token: SeIncBasePriorityPrivilege	2544	winupd.exe
Token: SeCreatePagefilePrivilege	2544	winupd.exe
Token: SeBackupPrivilege	2544	winupd.exe
Token: SeRestorePrivilege	2544	winupd.exe
Token: SeShutdownPrivilege	2544	winupd.exe
Token: SeDebugPrivilege	2544	winupd.exe
Token: SeSystemEnvironmentPrivilege	2544	winupd.exe
Token: SeChangeNotifyPrivilege	2544	winupd.exe
Token: SeRemoteShutdownPrivilege	2544	winupd.exe
Token: SeUndockPrivilege	2544	winupd.exe
Token: SeManageVolumePrivilege	2544	winupd.exe
Token: SeImpersonatePrivilege	2544	winupd.exe
Token: SeCreateGlobalPrivilege	2544	winupd.exe
Token: 33	2544	winupd.exe
Token: 34	2544	winupd.exe
Token: 35	2544	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2772	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2656	winupd.exe
2852	winupd.exe
2544	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 3052 wrote to memory of 2772	3052	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	31
PID 2772 wrote to memory of 2656	2772	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	32
PID 2772 wrote to memory of 2656	2772	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	32
PID 2772 wrote to memory of 2656	2772	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	32
PID 2772 wrote to memory of 2656	2772	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	32
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2852	2656	winupd.exe	33
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 2852 wrote to memory of 3008	2852	winupd.exe	35
PID 2852 wrote to memory of 3008	2852	winupd.exe	35
PID 2852 wrote to memory of 3008	2852	winupd.exe	35
PID 2852 wrote to memory of 3008	2852	winupd.exe	35
PID 2852 wrote to memory of 3008	2852	winupd.exe	35
PID 2852 wrote to memory of 3008	2852	winupd.exe	35
PID 2656 wrote to memory of 2544	2656	winupd.exe	34
PID 3008 wrote to memory of 2360	3008	ipconfig.exe	37
PID 3008 wrote to memory of 2360	3008	ipconfig.exe	37
PID 3008 wrote to memory of 2360	3008	ipconfig.exe	37
PID 3008 wrote to memory of 2360	3008	ipconfig.exe	37
PID 2360 wrote to memory of 808	2360	cmd.exe	39
PID 2360 wrote to memory of 808	2360	cmd.exe	39
PID 2360 wrote to memory of 808	2360	cmd.exe	39
PID 2360 wrote to memory of 808	2360	cmd.exe	39

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:3052
- C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
  "C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2656
  - - 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:2852
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:3008
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\DMVEAYOT.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2360
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:808
  - - 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:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Local\Temp\DMVEAYOT.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
00476cee7aa7fd456b4f2a8631eec9dc

SHA1
cd1ad447dde878f823537e4b8442395ba75aae61

SHA256
1d3c84c306608d7614f987f61c0b0107ad7821aafeb6a8ce8f61d90fc71fd9e7

SHA512
dff21971c3eb1929e691ac8be4b1d9737fab9f6aeac7ce2ab80b62adee0f0ff8a0fac522fdf8baa9b97ae81aa03218878dfd9a954229e82eba502c1b08f6d2be

Download Submit
memory/2544-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-98-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2544-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2656-74-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2656-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2656-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2772-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-75-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2772-19-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2772-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2772-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2772-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2852-82-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3008-62-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/3052-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3052-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3052-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3052-21-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3052-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads