darkcomet | c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 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
4544	winupd.exe
4904	winupd.exe
4960	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4544 set thread context of 4904	4544	winupd.exe	101
PID 4544 set thread context of 4960	4544	winupd.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4960-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4960-58-0x0000000000400000-0x00000000004B7000-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
4416	2372	WerFault.exe	103

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	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
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

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
2372	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4960	winupd.exe
Token: SeSecurityPrivilege	4960	winupd.exe
Token: SeTakeOwnershipPrivilege	4960	winupd.exe
Token: SeLoadDriverPrivilege	4960	winupd.exe
Token: SeSystemProfilePrivilege	4960	winupd.exe
Token: SeSystemtimePrivilege	4960	winupd.exe
Token: SeProfSingleProcessPrivilege	4960	winupd.exe
Token: SeIncBasePriorityPrivilege	4960	winupd.exe
Token: SeCreatePagefilePrivilege	4960	winupd.exe
Token: SeBackupPrivilege	4960	winupd.exe
Token: SeRestorePrivilege	4960	winupd.exe
Token: SeShutdownPrivilege	4960	winupd.exe
Token: SeDebugPrivilege	4960	winupd.exe
Token: SeSystemEnvironmentPrivilege	4960	winupd.exe
Token: SeChangeNotifyPrivilege	4960	winupd.exe
Token: SeRemoteShutdownPrivilege	4960	winupd.exe
Token: SeUndockPrivilege	4960	winupd.exe
Token: SeManageVolumePrivilege	4960	winupd.exe
Token: SeImpersonatePrivilege	4960	winupd.exe
Token: SeCreateGlobalPrivilege	4960	winupd.exe
Token: 33	4960	winupd.exe
Token: 34	4960	winupd.exe
Token: 35	4960	winupd.exe
Token: 36	4960	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
2164	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
4544	winupd.exe
4904	winupd.exe
4960	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 4956 wrote to memory of 2164	4956	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	97
PID 2164 wrote to memory of 4544	2164	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	98
PID 2164 wrote to memory of 4544	2164	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	98
PID 2164 wrote to memory of 4544	2164	c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe	98
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4904	4544	winupd.exe	101
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4544 wrote to memory of 4960	4544	winupd.exe	102
PID 4904 wrote to memory of 2372	4904	winupd.exe	103
PID 4904 wrote to memory of 2372	4904	winupd.exe	103
PID 4904 wrote to memory of 2372	4904	winupd.exe	103
PID 4904 wrote to memory of 2372	4904	winupd.exe	103
PID 4904 wrote to memory of 2372	4904	winupd.exe	103

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:4956
- C:\Users\Admin\AppData\Local\Temp\c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe
  "C:\Users\Admin\AppData\Local\Temp\c7d4c1c411927c1392f0793ee02108c86f134b90075ee2574fd0864657725d74.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2164
- - 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:4544
  - - 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:4904
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2372
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 272
        6⤵
        Program crash
        
        PID:4416
  - - 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:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2372 -ip 2372
1⤵
PID:3364

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

Replay Monitor

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Downloads

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

Filesize
520KB

MD5
2695ced887d528bb492e3e33ef0698e8

SHA1
78305e18b56e35a1decb8f76bc3ba637ebeda17d

SHA256
b613fb963fb6bc9fcddbb02b734aec93e27dbc9174ecf27c845b011956cafba0

SHA512
673bb6195683e156f3a98294cc407010aefaeb4fc218b7bf21069dc16a8e961359b81b70ed9fcbdd65ce110a81d9214f57169c2cb8520ac835da88c2b076264a

Download Submit
memory/2164-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2164-9-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2164-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2164-22-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4544-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4544-25-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4544-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4904-45-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4956-5-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4956-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4956-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4956-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4956-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4960-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4960-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download