darkcomet | c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 01:45

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General

Target

c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe
Size

520KB
MD5

79a1339f17d3d6e4d817800960259783
SHA1

c7d65762a6b558c08ddbee8a316e5ad7b2efe574
SHA256

c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522
SHA512

eadd2ba0962a2f274e1e87235632608e3117c2d0e13e6b4a377e975ad86297fc0ec5b8345e24f82bd3ab1a019d6e721cdf32f14032d933ca2b334682d9022ac6
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbl:f9fC3hh29Ya77A90aFtDfT5IMbl

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
3040	winupd.exe
2984	winupd.exe
2552	winupd.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe
2644	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.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-1-5-21-2872745919-2748461613-2989606286-1000\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 3068 set thread context of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3040 set thread context of 2984	3040	winupd.exe	32
PID 3040 set thread context of 2552	3040	winupd.exe	33

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2552-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2552-93-0x0000000000400000-0x00000000004B7000-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	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.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	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.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
1752	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1236	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2552	winupd.exe
Token: SeSecurityPrivilege	2552	winupd.exe
Token: SeTakeOwnershipPrivilege	2552	winupd.exe
Token: SeLoadDriverPrivilege	2552	winupd.exe
Token: SeSystemProfilePrivilege	2552	winupd.exe
Token: SeSystemtimePrivilege	2552	winupd.exe
Token: SeProfSingleProcessPrivilege	2552	winupd.exe
Token: SeIncBasePriorityPrivilege	2552	winupd.exe
Token: SeCreatePagefilePrivilege	2552	winupd.exe
Token: SeBackupPrivilege	2552	winupd.exe
Token: SeRestorePrivilege	2552	winupd.exe
Token: SeShutdownPrivilege	2552	winupd.exe
Token: SeDebugPrivilege	2552	winupd.exe
Token: SeSystemEnvironmentPrivilege	2552	winupd.exe
Token: SeChangeNotifyPrivilege	2552	winupd.exe
Token: SeRemoteShutdownPrivilege	2552	winupd.exe
Token: SeUndockPrivilege	2552	winupd.exe
Token: SeManageVolumePrivilege	2552	winupd.exe
Token: SeImpersonatePrivilege	2552	winupd.exe
Token: SeCreateGlobalPrivilege	2552	winupd.exe
Token: 33	2552	winupd.exe
Token: 34	2552	winupd.exe
Token: 35	2552	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe
2644	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe
3040	winupd.exe
2984	winupd.exe
2552	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 3068 wrote to memory of 2644	3068	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	30
PID 2644 wrote to memory of 3040	2644	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	31
PID 2644 wrote to memory of 3040	2644	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	31
PID 2644 wrote to memory of 3040	2644	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	31
PID 2644 wrote to memory of 3040	2644	c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe	31
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2984	3040	winupd.exe	32
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 3040 wrote to memory of 2552	3040	winupd.exe	33
PID 2984 wrote to memory of 1752	2984	winupd.exe	34
PID 2984 wrote to memory of 1752	2984	winupd.exe	34
PID 2984 wrote to memory of 1752	2984	winupd.exe	34
PID 2984 wrote to memory of 1752	2984	winupd.exe	34
PID 2984 wrote to memory of 1752	2984	winupd.exe	34
PID 2984 wrote to memory of 1752	2984	winupd.exe	34
PID 1752 wrote to memory of 2112	1752	ipconfig.exe	36
PID 1752 wrote to memory of 2112	1752	ipconfig.exe	36
PID 1752 wrote to memory of 2112	1752	ipconfig.exe	36
PID 1752 wrote to memory of 2112	1752	ipconfig.exe	36
PID 2112 wrote to memory of 1236	2112	cmd.exe	38
PID 2112 wrote to memory of 1236	2112	cmd.exe	38
PID 2112 wrote to memory of 1236	2112	cmd.exe	38
PID 2112 wrote to memory of 1236	2112	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe
"C:\Users\Admin\AppData\Local\Temp\c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe
  "C:\Users\Admin\AppData\Local\Temp\c14b626c5da14b43e563abc1eb9b0b310872a3415787a6ed7e715a807c7a7522.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:3040
  - - 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:2984
    - - 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:1752
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\VBUEQQRM.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2112
        
        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:1236
  - - 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:2552

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\VBUEQQRM.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
65ae90d080f87ae5409329e59eff4b3b

SHA1
a4b2555544b54efaf5e3fe5371070f4bfb828143

SHA256
c6919e297dcaa8472b09fa7ff2fa9ade9a365fcaa4071816fca38d4232822824

SHA512
280b4b2df266fde7f5c67df12b4c0a4cc314cf6534cfd5e01962a48a30f23e5dea0ad01474855770e71ffe000b11d152b8317388f5b9193ab2836355a2b7122d

Download Submit
memory/1752-69-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2552-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2552-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2644-65-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2644-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2644-3-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2644-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2644-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-13-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2984-80-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3040-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3040-61-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3040-46-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3068-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3068-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3068-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3068-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3068-14-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads