darkcomet | 6d38e7a65af4f43681045cd8687e21eb3178976334e86e7fd66d83e9b95b08ad

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 06:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
Size

952KB
MD5

6ac89fb4812f7ba559fcab082396ebc0
SHA1

08da024af3efb045e0d6e445b28ea523d99a2858
SHA256

6d38e7a65af4f43681045cd8687e21eb3178976334e86e7fd66d83e9b95b08ad
SHA512

4099883d096eec47921c09df9742790216a463937c4570e8c0ee45c3550f6ae342986ca6c4d1ba7183b5183176c67a8e6791fd01d846fe64ca042eaec3d50b19
SSDEEP

12288:byyy7Z3z4I8NXOGjwwG/ZjXsAHHz79p9NM5Tz103j2CF4TxQUOfhVPOSAE//VAci:baCI2OewFJN4mkxyHnnew1SatLRzD

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

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
3352	micoffice.exe
2312	micoffice.exe
2864	micoffice.exe

Loads dropped DLL 7 IoCs

pid	Process
3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
3352	micoffice.exe
3352	micoffice.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\msoffice = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftOffice\\micoffice.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 3352 set thread context of 2312	3352	micoffice.exe	35
PID 3352 set thread context of 2864	3352	micoffice.exe	36

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3120-449-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2312-940-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3120-1040-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2312-1044-0x0000000000400000-0x000000000040B000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2864	micoffice.exe
Token: SeSecurityPrivilege	2864	micoffice.exe
Token: SeTakeOwnershipPrivilege	2864	micoffice.exe
Token: SeLoadDriverPrivilege	2864	micoffice.exe
Token: SeSystemProfilePrivilege	2864	micoffice.exe
Token: SeSystemtimePrivilege	2864	micoffice.exe
Token: SeProfSingleProcessPrivilege	2864	micoffice.exe
Token: SeIncBasePriorityPrivilege	2864	micoffice.exe
Token: SeCreatePagefilePrivilege	2864	micoffice.exe
Token: SeBackupPrivilege	2864	micoffice.exe
Token: SeRestorePrivilege	2864	micoffice.exe
Token: SeShutdownPrivilege	2864	micoffice.exe
Token: SeDebugPrivilege	2864	micoffice.exe
Token: SeSystemEnvironmentPrivilege	2864	micoffice.exe
Token: SeChangeNotifyPrivilege	2864	micoffice.exe
Token: SeRemoteShutdownPrivilege	2864	micoffice.exe
Token: SeUndockPrivilege	2864	micoffice.exe
Token: SeManageVolumePrivilege	2864	micoffice.exe
Token: SeImpersonatePrivilege	2864	micoffice.exe
Token: SeCreateGlobalPrivilege	2864	micoffice.exe
Token: 33	2864	micoffice.exe
Token: 34	2864	micoffice.exe
Token: 35	2864	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe
Token: SeDebugPrivilege	2312	micoffice.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
3352	micoffice.exe
2312	micoffice.exe
2864	micoffice.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 2420 wrote to memory of 3120	2420	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	30
PID 3120 wrote to memory of 3276	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	31
PID 3120 wrote to memory of 3276	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	31
PID 3120 wrote to memory of 3276	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	31
PID 3120 wrote to memory of 3276	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	31
PID 3276 wrote to memory of 3328	3276	cmd.exe	33
PID 3276 wrote to memory of 3328	3276	cmd.exe	33
PID 3276 wrote to memory of 3328	3276	cmd.exe	33
PID 3276 wrote to memory of 3328	3276	cmd.exe	33
PID 3120 wrote to memory of 3352	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	34
PID 3120 wrote to memory of 3352	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	34
PID 3120 wrote to memory of 3352	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	34
PID 3120 wrote to memory of 3352	3120	JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe	34
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2312	3352	micoffice.exe	35
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36
PID 3352 wrote to memory of 2864	3352	micoffice.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ac89fb4812f7ba559fcab082396ebc0.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3120
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\SECGB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3276
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "msoffice" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3328
- - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
    "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.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:3352
  - - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
      "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2312
  - - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
      "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2864

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

Loading Replay Monitor...

Downloads

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

Filesize
155B

MD5
f07b93136766adced3c6f0d74d869da0

SHA1
787c530f33687d758b41295e01d7a9a1bba3a467

SHA256
cd603067047c028fe12d4b099d13b3681dd698d25bc32474184e9d8edd3ed701

SHA512
050105a5f14939a37f653421b24959cc90cb082b20df5bb1a81335fd0ad5e70c740b43f1d6df0fc7324551425894668acc3af0c533c7d90ff149d84e844c2d10

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe

Filesize
952KB

MD5
5bac2292d588e63eb11acb0770ae01f4

SHA1
3d46a734d6dd16c0eba1517a987c13717047d16d

SHA256
993793585ab5675c91cc1dc060e67f15b927937e1e21bd48305649190b660475

SHA512
76ffeece7404b422161f61be966199c88c7b0d73e0fb1443733f411f9849280053dc00e78f30348465519a18b68a29ac0e37ae67b812670d415af46949552893

Download Submit
memory/2312-1044-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-940-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-18-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2420-62-0x0000000002BC0000-0x0000000002BC1000-memory.dmp

Filesize
4KB

Download
memory/2420-80-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2420-14-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/2420-60-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2420-52-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/2420-44-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

Filesize
4KB

Download
memory/2420-36-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/2420-34-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/2420-32-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/2420-30-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/2420-28-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/2420-26-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/2420-24-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/2420-22-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/2420-20-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2420-72-0x0000000002DB0000-0x0000000002DB1000-memory.dmp

Filesize
4KB

Download
memory/2420-12-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/2420-90-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

Filesize
4KB

Download
memory/2420-8-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2420-6-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2420-4-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2420-2-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2420-114-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

Filesize
4KB

Download
memory/2420-113-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2420-437-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2420-436-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2420-152-0x0000000003290000-0x0000000003291000-memory.dmp

Filesize
4KB

Download
memory/2420-146-0x00000000030B0000-0x00000000030B1000-memory.dmp

Filesize
4KB

Download
memory/2420-138-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

Filesize
4KB

Download
memory/2420-124-0x0000000002F40000-0x0000000002F41000-memory.dmp

Filesize
4KB

Download
memory/2420-104-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

Filesize
4KB

Download
memory/2420-111-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3120-449-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3120-1040-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3120-430-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads