darkcomet | b995936f557d4947a2c98abc6231ac77c950a358fed5975c40097fd3d88764d0

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 02:59

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General

Target

JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
Size

952KB
MD5

69d22f16921aa332e713bd5a024b1c80
SHA1

4b11df5107ec6e113e92d569412c3b51dba4b53b
SHA256

b995936f557d4947a2c98abc6231ac77c950a358fed5975c40097fd3d88764d0
SHA512

15779137bef9ecc5387d1e946267a4e8d754185847f56ea7e61e6cd1bed36a6b7c21d59e59d82271a65026a5907ad3f3a463fa84375cc4f3cd9a91396e89b7b6
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
3524	micoffice.exe
1564	micoffice.exe
3272	micoffice.exe

Loads dropped DLL 7 IoCs

pid	Process
3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
3524	micoffice.exe
3524	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-1-5-21-3533259084-2542256011-65585152-1000\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 2516 set thread context of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 3524 set thread context of 1564	3524	micoffice.exe	35
PID 3524 set thread context of 3272	3524	micoffice.exe	36

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3292-445-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1564-883-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3292-1038-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1564-1044-0x0000000000400000-0x000000000040B000-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	reg.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	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3272	micoffice.exe
Token: SeSecurityPrivilege	3272	micoffice.exe
Token: SeTakeOwnershipPrivilege	3272	micoffice.exe
Token: SeLoadDriverPrivilege	3272	micoffice.exe
Token: SeSystemProfilePrivilege	3272	micoffice.exe
Token: SeSystemtimePrivilege	3272	micoffice.exe
Token: SeProfSingleProcessPrivilege	3272	micoffice.exe
Token: SeIncBasePriorityPrivilege	3272	micoffice.exe
Token: SeCreatePagefilePrivilege	3272	micoffice.exe
Token: SeBackupPrivilege	3272	micoffice.exe
Token: SeRestorePrivilege	3272	micoffice.exe
Token: SeShutdownPrivilege	3272	micoffice.exe
Token: SeDebugPrivilege	3272	micoffice.exe
Token: SeSystemEnvironmentPrivilege	3272	micoffice.exe
Token: SeChangeNotifyPrivilege	3272	micoffice.exe
Token: SeRemoteShutdownPrivilege	3272	micoffice.exe
Token: SeUndockPrivilege	3272	micoffice.exe
Token: SeManageVolumePrivilege	3272	micoffice.exe
Token: SeImpersonatePrivilege	3272	micoffice.exe
Token: SeCreateGlobalPrivilege	3272	micoffice.exe
Token: 33	3272	micoffice.exe
Token: 34	3272	micoffice.exe
Token: 35	3272	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe
Token: SeDebugPrivilege	1564	micoffice.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
3524	micoffice.exe
1564	micoffice.exe
3272	micoffice.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 2516 wrote to memory of 3292	2516	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	30
PID 3292 wrote to memory of 3448	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	31
PID 3292 wrote to memory of 3448	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	31
PID 3292 wrote to memory of 3448	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	31
PID 3292 wrote to memory of 3448	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	31
PID 3448 wrote to memory of 3500	3448	cmd.exe	33
PID 3448 wrote to memory of 3500	3448	cmd.exe	33
PID 3448 wrote to memory of 3500	3448	cmd.exe	33
PID 3448 wrote to memory of 3500	3448	cmd.exe	33
PID 3292 wrote to memory of 3524	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	34
PID 3292 wrote to memory of 3524	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	34
PID 3292 wrote to memory of 3524	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	34
PID 3292 wrote to memory of 3524	3292	JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe	34
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 1564	3524	micoffice.exe	35
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36
PID 3524 wrote to memory of 3272	3524	micoffice.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69d22f16921aa332e713bd5a024b1c80.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3292
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HIFOA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3448
  - - 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:3500
- - 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:3524
  - - 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:1564
  - - 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:3272

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

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Downloads

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

Filesize
155B

MD5
f07b93136766adced3c6f0d74d869da0

SHA1
787c530f33687d758b41295e01d7a9a1bba3a467

SHA256
cd603067047c028fe12d4b099d13b3681dd698d25bc32474184e9d8edd3ed701

SHA512
050105a5f14939a37f653421b24959cc90cb082b20df5bb1a81335fd0ad5e70c740b43f1d6df0fc7324551425894668acc3af0c533c7d90ff149d84e844c2d10

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

Filesize
952KB

MD5
8480f1af7a1765c763b6ce2f7ee4367b

SHA1
cf4d550159f7024d0eb43148fe5b1579f4fc8253

SHA256
d25f8b026f651ef623592749291b23e23261721ce3ad3353151022c535fbf76b

SHA512
894be8c23600773ee0977263b2bfc403405ec3ddc0fc9003a58c2f89099ffe6f56dab4f5ce69adb37ab2100131f0f7ba59a2eeb3af13c06fb8b2d3cb6144ca9e

Download Submit
memory/1564-1044-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1564-883-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-72-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/2516-136-0x0000000002A00000-0x0000000002A01000-memory.dmp

Filesize
4KB

Download
memory/2516-28-0x0000000002B20000-0x0000000002B21000-memory.dmp

Filesize
4KB

Download
memory/2516-26-0x0000000002B20000-0x0000000002B21000-memory.dmp

Filesize
4KB

Download
memory/2516-24-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2516-22-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2516-20-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2516-18-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2516-14-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/2516-12-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/2516-8-0x0000000002930000-0x0000000002931000-memory.dmp

Filesize
4KB

Download
memory/2516-6-0x0000000002930000-0x0000000002931000-memory.dmp

Filesize
4KB

Download
memory/2516-4-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/2516-2-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/2516-434-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2516-150-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

Filesize
4KB

Download
memory/2516-144-0x0000000002EE0000-0x0000000002EE1000-memory.dmp

Filesize
4KB

Download
memory/2516-30-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

Filesize
4KB

Download
memory/2516-122-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2516-112-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/2516-104-0x0000000002C30000-0x0000000002C31000-memory.dmp

Filesize
4KB

Download
memory/2516-90-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/2516-80-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

Filesize
4KB

Download
memory/2516-435-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2516-62-0x0000000002910000-0x0000000002911000-memory.dmp

Filesize
4KB

Download
memory/2516-52-0x0000000002650000-0x0000000002651000-memory.dmp

Filesize
4KB

Download
memory/2516-44-0x0000000002D20000-0x0000000002D21000-memory.dmp

Filesize
4KB

Download
memory/2516-36-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/2516-32-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

Filesize
4KB

Download
memory/2516-34-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/3292-445-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3292-1038-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3292-428-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads