darkcomet | 1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 21:03

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General

Target

1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
Size

1.9MB
MD5

299c3a82d3402fa86e867c012e7ef5d0
SHA1

8a744e622f52d464db99bc6c00c3b48a3bb1ce8d
SHA256

1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88
SHA512

9140ec26f011949a0c0db3c16dec890c8943462a9b89710a9c113bfa48804b896e4000e6fd06196b2da619f465943141d45086f8890c7614aedeba34c527e643
SSDEEP

24576:qMyptg5dkAmL8jyLQLNW0yzotcSHVZwMz8gkyJ8fP4lw46lw4Pz9ELqjLb:3te3ow4+w4PzqLcLb

Score

10^/10

darkcomet 1 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

anthraxgold.no-ip.info:666

Mutex

DC_MUTEX-169BEXQ

Attributes

gencode
M6QvjZgri1v2
install
false
offline_keylogger
false
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

Processes:

test.exetest.exetest.exe

pid	Process
796	test.exe
2860	test.exe
1628	test.exe

Loads dropped DLL 7 IoCs

Processes:

1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exetest.exe

pid	Process
1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
796	test.exe
796	test.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exetest.exe

description	pid	Process	procid_target
PID 2520 set thread context of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 796 set thread context of 2860	796	test.exe	35
PID 796 set thread context of 1628	796	test.exe	36

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1744-209-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2860-438-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1628-457-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1744-456-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2860-461-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1628-464-0x0000000000400000-0x00000000004B7000-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 7 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

Processes:

test.exe1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.execmd.exereg.exetest.exetest.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.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	test.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

test.exetest.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1628	test.exe
Token: SeSecurityPrivilege	1628	test.exe
Token: SeTakeOwnershipPrivilege	1628	test.exe
Token: SeLoadDriverPrivilege	1628	test.exe
Token: SeSystemProfilePrivilege	1628	test.exe
Token: SeSystemtimePrivilege	1628	test.exe
Token: SeProfSingleProcessPrivilege	1628	test.exe
Token: SeIncBasePriorityPrivilege	1628	test.exe
Token: SeCreatePagefilePrivilege	1628	test.exe
Token: SeBackupPrivilege	1628	test.exe
Token: SeRestorePrivilege	1628	test.exe
Token: SeShutdownPrivilege	1628	test.exe
Token: SeDebugPrivilege	1628	test.exe
Token: SeSystemEnvironmentPrivilege	1628	test.exe
Token: SeChangeNotifyPrivilege	1628	test.exe
Token: SeRemoteShutdownPrivilege	1628	test.exe
Token: SeUndockPrivilege	1628	test.exe
Token: SeManageVolumePrivilege	1628	test.exe
Token: SeImpersonatePrivilege	1628	test.exe
Token: SeCreateGlobalPrivilege	1628	test.exe
Token: 33	1628	test.exe
Token: 34	1628	test.exe
Token: 35	1628	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe
Token: SeDebugPrivilege	2860	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exetest.exetest.exe

pid	Process
2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
796	test.exe
2860	test.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.execmd.exetest.exe

description	pid	Process	procid_target
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 2520 wrote to memory of 1744	2520	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	30
PID 1744 wrote to memory of 2980	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	31
PID 1744 wrote to memory of 2980	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	31
PID 1744 wrote to memory of 2980	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	31
PID 1744 wrote to memory of 2980	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	31
PID 2980 wrote to memory of 348	2980	cmd.exe	33
PID 2980 wrote to memory of 348	2980	cmd.exe	33
PID 2980 wrote to memory of 348	2980	cmd.exe	33
PID 2980 wrote to memory of 348	2980	cmd.exe	33
PID 1744 wrote to memory of 796	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	34
PID 1744 wrote to memory of 796	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	34
PID 1744 wrote to memory of 796	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	34
PID 1744 wrote to memory of 796	1744	1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe	34
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 2860	796	test.exe	35
PID 796 wrote to memory of 1628	796	test.exe	36
PID 796 wrote to memory of 1628	796	test.exe	36
PID 796 wrote to memory of 1628	796	test.exe	36
PID 796 wrote to memory of 1628	796	test.exe	36
PID 796 wrote to memory of 1628	796	test.exe	36
PID 796 wrote to memory of 1628	796	test.exe	36
PID 796 wrote to memory of 1628	796	test.exe	36
PID 796 wrote to memory of 1628	796	test.exe	36

C:\Users\Admin\AppData\Local\Temp\1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
"C:\Users\Admin\AppData\Local\Temp\1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe
  "C:\Users\Admin\AppData\Local\Temp\1991dad9c5af6524b377e8971e19997162d42f7ff50b346974ed5e5061222d88N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NIHVC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2980
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\test\test.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:348
- - C:\Users\Admin\AppData\Roaming\test\test.exe
    "C:\Users\Admin\AppData\Roaming\test\test.exe"
    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:796
  - - C:\Users\Admin\AppData\Roaming\test\test.exe
      "C:\Users\Admin\AppData\Roaming\test\test.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2860
  - - C:\Users\Admin\AppData\Roaming\test\test.exe
      "C:\Users\Admin\AppData\Roaming\test\test.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:1628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\NIHVC.bat

Filesize
138B

MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe

Filesize
1.9MB

MD5
8e5b4b5e5a79df2f3d34eab5ae330dca

SHA1
13a290f8181fe0998db5c3b958edabf144f8af4b

SHA256
ae8a367021399c36f3548ea05f53b412d1f01c24a03ca62afc373fd48dff51f8

SHA512
d9106c6cdd1281b42abd191cc8e5e6864db2c9ebe3b06582939c8c8e08eb00bfa2231d9843424ea19a6bcd6ad0dbd5484e54a9904e783c129ec99d64079bb5eb

Download Submit
memory/1628-464-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-457-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1744-209-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1744-456-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2520-13-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2520-5-0x0000000002920000-0x0000000002921000-memory.dmp

Filesize
4KB

Download
memory/2520-45-0x00000000028B0000-0x00000000028B1000-memory.dmp

Filesize
4KB

Download
memory/2520-37-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/2520-35-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/2520-33-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/2520-31-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/2520-29-0x00000000026A0000-0x00000000026A1000-memory.dmp

Filesize
4KB

Download
memory/2520-27-0x00000000026A0000-0x00000000026A1000-memory.dmp

Filesize
4KB

Download
memory/2520-25-0x00000000028F0000-0x00000000028F1000-memory.dmp

Filesize
4KB

Download
memory/2520-23-0x00000000028F0000-0x00000000028F1000-memory.dmp

Filesize
4KB

Download
memory/2520-21-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download
memory/2520-19-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download
memory/2520-15-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2520-0-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/2520-9-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/2520-7-0x0000000002B10000-0x0000000002B11000-memory.dmp

Filesize
4KB

Download
memory/2520-53-0x0000000002A40000-0x0000000002A41000-memory.dmp

Filesize
4KB

Download
memory/2520-3-0x0000000002920000-0x0000000002921000-memory.dmp

Filesize
4KB

Download
memory/2520-99-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2520-101-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2520-109-0x0000000003410000-0x0000000003411000-memory.dmp

Filesize
4KB

Download
memory/2520-149-0x00000000033D0000-0x00000000033D1000-memory.dmp

Filesize
4KB

Download
memory/2520-144-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2520-136-0x0000000002C10000-0x0000000002C11000-memory.dmp

Filesize
4KB

Download
memory/2520-128-0x0000000002C20000-0x0000000002C21000-memory.dmp

Filesize
4KB

Download
memory/2520-120-0x00000000033F0000-0x00000000033F1000-memory.dmp

Filesize
4KB

Download
memory/2520-119-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2520-61-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2520-63-0x0000000002A30000-0x0000000002A31000-memory.dmp

Filesize
4KB

Download
memory/2520-73-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/2520-91-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/2520-81-0x0000000002C50000-0x0000000002C51000-memory.dmp

Filesize
4KB

Download
memory/2520-100-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2860-461-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2860-438-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download