darkcomet | d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 20:07

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General

Target

d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
Size

520KB
MD5

da0a16ef15c55b1812b1a98e938a2320
SHA1

cf01718406a6207f7225f44902f063cc7f99ded9
SHA256

d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8
SHA512

53832d9776a12ea1cd20428f7c274e47dffaa8996198056a3b079cdda93cb34a7f6b147d53423e773005c476537da1fbddabe4f943ab30e07c16812f7d714e5e
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbY:f9fC3hh29Ya77A90aFtDfT5IMbY

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
316	winupd.exe
2044	winupd.exe
3040	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2284	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
2284	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
316	winupd.exe
316	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-1-5-21-1488793075-819845221-1497111674-1000\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 1016 set thread context of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 316 set thread context of 2044	316	winupd.exe	30
PID 316 set thread context of 3040	316	winupd.exe	31

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3040-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3040-94-0x0000000000400000-0x00000000004B7000-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	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	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.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
2704	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2660	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3040	winupd.exe
Token: SeSecurityPrivilege	3040	winupd.exe
Token: SeTakeOwnershipPrivilege	3040	winupd.exe
Token: SeLoadDriverPrivilege	3040	winupd.exe
Token: SeSystemProfilePrivilege	3040	winupd.exe
Token: SeSystemtimePrivilege	3040	winupd.exe
Token: SeProfSingleProcessPrivilege	3040	winupd.exe
Token: SeIncBasePriorityPrivilege	3040	winupd.exe
Token: SeCreatePagefilePrivilege	3040	winupd.exe
Token: SeBackupPrivilege	3040	winupd.exe
Token: SeRestorePrivilege	3040	winupd.exe
Token: SeShutdownPrivilege	3040	winupd.exe
Token: SeDebugPrivilege	3040	winupd.exe
Token: SeSystemEnvironmentPrivilege	3040	winupd.exe
Token: SeChangeNotifyPrivilege	3040	winupd.exe
Token: SeRemoteShutdownPrivilege	3040	winupd.exe
Token: SeUndockPrivilege	3040	winupd.exe
Token: SeManageVolumePrivilege	3040	winupd.exe
Token: SeImpersonatePrivilege	3040	winupd.exe
Token: SeCreateGlobalPrivilege	3040	winupd.exe
Token: 33	3040	winupd.exe
Token: 34	3040	winupd.exe
Token: 35	3040	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
2284	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
316	winupd.exe
2044	winupd.exe
3040	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 1016 wrote to memory of 2284	1016	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	28
PID 2284 wrote to memory of 316	2284	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	29
PID 2284 wrote to memory of 316	2284	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	29
PID 2284 wrote to memory of 316	2284	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	29
PID 2284 wrote to memory of 316	2284	d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe	29
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 2044	316	winupd.exe	30
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 316 wrote to memory of 3040	316	winupd.exe	31
PID 2044 wrote to memory of 2704	2044	winupd.exe	32
PID 2044 wrote to memory of 2704	2044	winupd.exe	32
PID 2044 wrote to memory of 2704	2044	winupd.exe	32
PID 2044 wrote to memory of 2704	2044	winupd.exe	32
PID 2044 wrote to memory of 2704	2044	winupd.exe	32
PID 2044 wrote to memory of 2704	2044	winupd.exe	32
PID 2704 wrote to memory of 2508	2704	ipconfig.exe	34
PID 2704 wrote to memory of 2508	2704	ipconfig.exe	34
PID 2704 wrote to memory of 2508	2704	ipconfig.exe	34
PID 2704 wrote to memory of 2508	2704	ipconfig.exe	34
PID 2508 wrote to memory of 2660	2508	cmd.exe	36
PID 2508 wrote to memory of 2660	2508	cmd.exe	36
PID 2508 wrote to memory of 2660	2508	cmd.exe	36
PID 2508 wrote to memory of 2660	2508	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
"C:\Users\Admin\AppData\Local\Temp\d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\AppData\Local\Temp\d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe
  "C:\Users\Admin\AppData\Local\Temp\d0aaeac6fad969bdbe23ad92492ff0691a2e99722d74409adf7dd0c95eedecd8N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2284
- - 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:316
  - - 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:2044
    - - 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:2704
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\PIXHPDCE.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2508
        
        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:2660
  - - 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:3040

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\PIXHPDCE.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
434196b1a90ab5805742852c23d3f95a

SHA1
1673e38bef59185ad94edc04a99fc7aff6b6b920

SHA256
3d23a690de7e0597fb494620f345b154aabd198e81cfbf58f82699519fd2f3c8

SHA512
09e3734b301558c080b116fe0e0494e0264cb8898fa3408ca378d0f279318401d37c469728d184eca85d18d72bc9bed2b74d743a41cb1e52756102b5078c208d

Download Submit
memory/316-64-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/316-32-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/316-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1016-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1016-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1016-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1016-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-81-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2284-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2284-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2284-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2284-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2284-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2284-67-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2704-71-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/3040-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3040-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads