darkcomet | c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74

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
13-11-2024 02:42

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General

Target

c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
Size

520KB
MD5

8bd5bac79fc049aebe1db767c7f4e8a2
SHA1

0566f6b910c319b8e0cf4783596832ab6855286f
SHA256

c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74
SHA512

16b5dd41b9578b276f5b1231860fe2b779c30252399cf1cc23ae2b0785bdfee989c5ce9b67e9f734723353fbba8d79ddc69b7409ae07001639d2c8a0f37836d9
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbd:f9fC3hh29Ya77A90aFtDfT5IMbd

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
2712	winupd.exe
2548	winupd.exe
2520	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2632	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
2632	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
2712	winupd.exe
2712	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-1-5-21-4177215427-74451935-3209572229-1000\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 1964 set thread context of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 2712 set thread context of 2548	2712	winupd.exe	32
PID 2712 set thread context of 2520	2712	winupd.exe	33

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-97-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-98-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2520-99-0x0000000000400000-0x00000000004B7000-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	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.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
2992	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
596	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2520	winupd.exe
Token: SeSecurityPrivilege	2520	winupd.exe
Token: SeTakeOwnershipPrivilege	2520	winupd.exe
Token: SeLoadDriverPrivilege	2520	winupd.exe
Token: SeSystemProfilePrivilege	2520	winupd.exe
Token: SeSystemtimePrivilege	2520	winupd.exe
Token: SeProfSingleProcessPrivilege	2520	winupd.exe
Token: SeIncBasePriorityPrivilege	2520	winupd.exe
Token: SeCreatePagefilePrivilege	2520	winupd.exe
Token: SeBackupPrivilege	2520	winupd.exe
Token: SeRestorePrivilege	2520	winupd.exe
Token: SeShutdownPrivilege	2520	winupd.exe
Token: SeDebugPrivilege	2520	winupd.exe
Token: SeSystemEnvironmentPrivilege	2520	winupd.exe
Token: SeChangeNotifyPrivilege	2520	winupd.exe
Token: SeRemoteShutdownPrivilege	2520	winupd.exe
Token: SeUndockPrivilege	2520	winupd.exe
Token: SeManageVolumePrivilege	2520	winupd.exe
Token: SeImpersonatePrivilege	2520	winupd.exe
Token: SeCreateGlobalPrivilege	2520	winupd.exe
Token: 33	2520	winupd.exe
Token: 34	2520	winupd.exe
Token: 35	2520	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
2632	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
2712	winupd.exe
2548	winupd.exe
2520	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 1964 wrote to memory of 2632	1964	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	30
PID 2632 wrote to memory of 2712	2632	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	31
PID 2632 wrote to memory of 2712	2632	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	31
PID 2632 wrote to memory of 2712	2632	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	31
PID 2632 wrote to memory of 2712	2632	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	31
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2548	2712	winupd.exe	32
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2712 wrote to memory of 2520	2712	winupd.exe	33
PID 2548 wrote to memory of 2992	2548	winupd.exe	34
PID 2548 wrote to memory of 2992	2548	winupd.exe	34
PID 2548 wrote to memory of 2992	2548	winupd.exe	34
PID 2548 wrote to memory of 2992	2548	winupd.exe	34
PID 2548 wrote to memory of 2992	2548	winupd.exe	34
PID 2548 wrote to memory of 2992	2548	winupd.exe	34
PID 2992 wrote to memory of 1924	2992	ipconfig.exe	36
PID 2992 wrote to memory of 1924	2992	ipconfig.exe	36
PID 2992 wrote to memory of 1924	2992	ipconfig.exe	36
PID 2992 wrote to memory of 1924	2992	ipconfig.exe	36
PID 1924 wrote to memory of 596	1924	cmd.exe	38
PID 1924 wrote to memory of 596	1924	cmd.exe	38
PID 1924 wrote to memory of 596	1924	cmd.exe	38
PID 1924 wrote to memory of 596	1924	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
"C:\Users\Admin\AppData\Local\Temp\c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
  "C:\Users\Admin\AppData\Local\Temp\c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2632
- - 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:2712
  - - 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:2548
    - - 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:2992
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HKWVWSQX.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1924
        
        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:596
  - - 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:2520

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HKWVWSQX.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
e4ef48e15883dcefc76b856acd0359aa

SHA1
13a43b3409aa2ccba636d3fe5beda2f0feb78ffb

SHA256
583ec4f9dcf6654e1c461dbaab1679e307b19f173432b760e7f1d5105c02c2a3

SHA512
0e40f27ba7a546bc96536b7c6d0f63ccbedc25b5daaa04728a07ced6a71b8f3c3a7c3fb32f9353fae71d5b4a095d013a0a2c873c3b5e6939c26019a412004cd1

Download Submit
memory/1964-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1964-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1964-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1964-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1964-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2520-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-99-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-98-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2520-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2548-83-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-68-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2712-62-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2712-48-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2712-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2992-72-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads