darkcomet | 76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 06:50

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General

Target

76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
Size

520KB
MD5

15dd16047e0b9525ba0ae5f72f97c749
SHA1

a30ed37aefbe3e1a6f18a2188ca7a8be55ffd2e7
SHA256

76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa
SHA512

e75f6c3a201a78f99336c257e8594a62d926d16cfafa70d1586c8ea972898385cac72842ac3b6bc258d194b7ab6b415a0e6210108601d1ae13a6393c9563f34d
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbp:f9fC3hh29Ya77A90aFtDfT5IMbp

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
2448	winupd.exe
2872	winupd.exe
3044	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
1552	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
1552	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
2448	winupd.exe
2448	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-1-5-21-3692679935-4019334568-335155002-1000\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 2260 set thread context of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2448 set thread context of 2872	2448	winupd.exe	33
PID 2448 set thread context of 3044	2448	winupd.exe	34

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3044-92-0x0000000000400000-0x00000000004B7000-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	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.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
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

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
2644	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2296	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3044	winupd.exe
Token: SeSecurityPrivilege	3044	winupd.exe
Token: SeTakeOwnershipPrivilege	3044	winupd.exe
Token: SeLoadDriverPrivilege	3044	winupd.exe
Token: SeSystemProfilePrivilege	3044	winupd.exe
Token: SeSystemtimePrivilege	3044	winupd.exe
Token: SeProfSingleProcessPrivilege	3044	winupd.exe
Token: SeIncBasePriorityPrivilege	3044	winupd.exe
Token: SeCreatePagefilePrivilege	3044	winupd.exe
Token: SeBackupPrivilege	3044	winupd.exe
Token: SeRestorePrivilege	3044	winupd.exe
Token: SeShutdownPrivilege	3044	winupd.exe
Token: SeDebugPrivilege	3044	winupd.exe
Token: SeSystemEnvironmentPrivilege	3044	winupd.exe
Token: SeChangeNotifyPrivilege	3044	winupd.exe
Token: SeRemoteShutdownPrivilege	3044	winupd.exe
Token: SeUndockPrivilege	3044	winupd.exe
Token: SeManageVolumePrivilege	3044	winupd.exe
Token: SeImpersonatePrivilege	3044	winupd.exe
Token: SeCreateGlobalPrivilege	3044	winupd.exe
Token: 33	3044	winupd.exe
Token: 34	3044	winupd.exe
Token: 35	3044	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
1552	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
2448	winupd.exe
2872	winupd.exe
3044	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 2260 wrote to memory of 1552	2260	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	31
PID 1552 wrote to memory of 2448	1552	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	32
PID 1552 wrote to memory of 2448	1552	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	32
PID 1552 wrote to memory of 2448	1552	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	32
PID 1552 wrote to memory of 2448	1552	76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe	32
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 2872	2448	winupd.exe	33
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2448 wrote to memory of 3044	2448	winupd.exe	34
PID 2872 wrote to memory of 2644	2872	winupd.exe	35
PID 2872 wrote to memory of 2644	2872	winupd.exe	35
PID 2872 wrote to memory of 2644	2872	winupd.exe	35
PID 2872 wrote to memory of 2644	2872	winupd.exe	35
PID 2872 wrote to memory of 2644	2872	winupd.exe	35
PID 2872 wrote to memory of 2644	2872	winupd.exe	35
PID 2644 wrote to memory of 2148	2644	ipconfig.exe	37
PID 2644 wrote to memory of 2148	2644	ipconfig.exe	37
PID 2644 wrote to memory of 2148	2644	ipconfig.exe	37
PID 2644 wrote to memory of 2148	2644	ipconfig.exe	37
PID 2148 wrote to memory of 2296	2148	cmd.exe	39
PID 2148 wrote to memory of 2296	2148	cmd.exe	39
PID 2148 wrote to memory of 2296	2148	cmd.exe	39
PID 2148 wrote to memory of 2296	2148	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
"C:\Users\Admin\AppData\Local\Temp\76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe
  "C:\Users\Admin\AppData\Local\Temp\76324f384652d23dbe3276465aecee4dfcf30ab4dba44613ae338660210294aa.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1552
- - 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:2448
  - - 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:2872
    - - 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:2644
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\MPFXVEYN.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2148
        
        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:2296
  - - 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:3044

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\MPFXVEYN.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
4e7b687df37adadbad5aedbbb2e4dc14

SHA1
73a450cd44de5eeb27359530bc71dbcf9765da0d

SHA256
075d17a7f6408b59729b063e3508ef185ecb70536c060cbda86d956e76c2fcc4

SHA512
35a4687af33cb07733b33fd1ad0f45db37c49bd92e8f1e4ac8906e3f0b492ba1ac342ced3aaa44ab75bac10843ac7d74ea2e7e9c56d936871223dbd0772619fc

Download Submit
memory/1552-73-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1552-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1552-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1552-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1552-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1552-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2260-20-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2260-21-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2260-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2260-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2260-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2448-35-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2448-49-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2448-69-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2644-66-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2872-80-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2872-72-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3044-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3044-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads