darkcomet | 865b18fe17a7d5207ae5f3f6c14d13b264ef89560f402dcc4ed2ce47a635dd9b

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 01:17

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General

Target

6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe
Size

474KB
MD5

6c9e74c7a50fc508d3d75dbf3270063d
SHA1

49c4a1c5eed1a0d1c166acbb28cbdf656a867744
SHA256

865b18fe17a7d5207ae5f3f6c14d13b264ef89560f402dcc4ed2ce47a635dd9b
SHA512

f5f73e3c9a0858968008c661dad7992f6595f836ea4fc7a24747d56c4198178abe0148931248d4a7f879e866a70e2d4d5c70966c03a984839f29bd123cc8403e
SSDEEP

6144:+VfPyZy5rKyQQFpTCByflGgE8j3heBLlTY1PxF01DFq8IRVT5lNdCAHaQsZzT:OPyZy5+yQQFsyE88psPxFIDcFhP8Zz

Score

10^/10

darkcomet hf discovery evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

lolzzzz.no-ip.org:1604

gfgdgdfgdgf.no-ip.org:1604

Mutex

DC_MUTEX-CJD1FN8

Attributes

InstallPath
foto_1426.scr
gencode
SHTBGf3K9VRj
install
true
offline_keylogger
true
persistence
true
reg_key
foto_1426

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

îôèñíûå èãðû 2011.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\foto_1426.scr"	îôèñíûå èãðû 2011.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

foto_1426.scr

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	foto_1426.scr
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	foto_1426.scr
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	foto_1426.scr

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

foto_1426.scr

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	foto_1426.scr

Disables Task Manager via registry modification
evasion

Executes dropped EXE 2 IoCs

Processes:

îôèñíûå èãðû 2011.exefoto_1426.scr

pid	Process
2712	îôèñíûå èãðû 2011.exe
2932	foto_1426.scr

Loads dropped DLL 4 IoCs

Processes:

6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exeîôèñíûå èãðû 2011.exe

pid	Process
2852	6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe
2852	6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe
2712	îôèñíûå èãðû 2011.exe
2712	îôèñíûå èãðû 2011.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

îôèñíûå èãðû 2011.exefoto_1426.scr

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\foto_1426 = "C:\\Users\\Admin\\AppData\\Roaming\\foto_1426.scr"	îôèñíûå èãðû 2011.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\foto_1426 = "C:\\Users\\Admin\\AppData\\Roaming\\foto_1426.scr"	foto_1426.scr

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/files/0x000b000000012266-15.dat	upx
behavioral1/memory/2712-13-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2712-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2932-64-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2712-61-0x0000000004120000-0x00000000041DA000-memory.dmp	upx
behavioral1/memory/2712-106-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2932-109-0x0000000000400000-0x00000000004BA000-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 6 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:

foto_1426.scrnotepad.exe6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exeîôèñíûå èãðû 2011.exeDllHost.exenotepad.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	foto_1426.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	îôèñíûå èãðû 2011.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

foto_1426.scr

pid	Process
2932	foto_1426.scr

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

îôèñíûå èãðû 2011.exefoto_1426.scr

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeSecurityPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeTakeOwnershipPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeLoadDriverPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeSystemProfilePrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeSystemtimePrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeProfSingleProcessPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeIncBasePriorityPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeCreatePagefilePrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeBackupPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeRestorePrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeShutdownPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeDebugPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeSystemEnvironmentPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeChangeNotifyPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeRemoteShutdownPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeUndockPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeManageVolumePrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeImpersonatePrivilege	2712	îôèñíûå èãðû 2011.exe
Token: SeCreateGlobalPrivilege	2712	îôèñíûå èãðû 2011.exe
Token: 33	2712	îôèñíûå èãðû 2011.exe
Token: 34	2712	îôèñíûå èãðû 2011.exe
Token: 35	2712	îôèñíûå èãðû 2011.exe
Token: SeIncreaseQuotaPrivilege	2932	foto_1426.scr
Token: SeSecurityPrivilege	2932	foto_1426.scr
Token: SeTakeOwnershipPrivilege	2932	foto_1426.scr
Token: SeLoadDriverPrivilege	2932	foto_1426.scr
Token: SeSystemProfilePrivilege	2932	foto_1426.scr
Token: SeSystemtimePrivilege	2932	foto_1426.scr
Token: SeProfSingleProcessPrivilege	2932	foto_1426.scr
Token: SeIncBasePriorityPrivilege	2932	foto_1426.scr
Token: SeCreatePagefilePrivilege	2932	foto_1426.scr
Token: SeBackupPrivilege	2932	foto_1426.scr
Token: SeRestorePrivilege	2932	foto_1426.scr
Token: SeShutdownPrivilege	2932	foto_1426.scr
Token: SeDebugPrivilege	2932	foto_1426.scr
Token: SeSystemEnvironmentPrivilege	2932	foto_1426.scr
Token: SeChangeNotifyPrivilege	2932	foto_1426.scr
Token: SeRemoteShutdownPrivilege	2932	foto_1426.scr
Token: SeUndockPrivilege	2932	foto_1426.scr
Token: SeManageVolumePrivilege	2932	foto_1426.scr
Token: SeImpersonatePrivilege	2932	foto_1426.scr
Token: SeCreateGlobalPrivilege	2932	foto_1426.scr
Token: 33	2932	foto_1426.scr
Token: 34	2932	foto_1426.scr
Token: 35	2932	foto_1426.scr

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid	Process
2608	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

DllHost.exefoto_1426.scr

pid	Process
2608	DllHost.exe
2608	DllHost.exe
2932	foto_1426.scr

Suspicious use of WriteProcessMemory 49 IoCs

Processes:

6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exeîôèñíûå èãðû 2011.exefoto_1426.scr

description	pid	Process	procid_target
PID 2852 wrote to memory of 2712	2852	6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe	31
PID 2852 wrote to memory of 2712	2852	6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe	31
PID 2852 wrote to memory of 2712	2852	6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe	31
PID 2852 wrote to memory of 2712	2852	6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe	31
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2492	2712	îôèñíûå èãðû 2011.exe	33
PID 2712 wrote to memory of 2932	2712	îôèñíûå èãðû 2011.exe	34
PID 2712 wrote to memory of 2932	2712	îôèñíûå èãðû 2011.exe	34
PID 2712 wrote to memory of 2932	2712	îôèñíûå èãðû 2011.exe	34
PID 2712 wrote to memory of 2932	2712	îôèñíûå èãðû 2011.exe	34
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35
PID 2932 wrote to memory of 2760	2932	foto_1426.scr	35

C:\Users\Admin\AppData\Local\Temp\6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6c9e74c7a50fc508d3d75dbf3270063d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Users\Admin\AppData\Local\Temp\îôèñíûå èãðû 2011.exe
  "C:\Users\Admin\AppData\Local\Temp\îôèñíûå èãðû 2011.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2492
- - C:\Users\Admin\AppData\Roaming\foto_1426.scr
    "C:\Users\Admin\AppData\Roaming\foto_1426.scr" /S
    3⤵
    - Modifies firewall policy service
    - Disables RegEdit via registry modification
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:2760

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2608

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

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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\Wx9xXkV8Ac0.jpg

Filesize
55KB

MD5
7cecd4a0b41f0ee18666a4b1ee92d78c

SHA1
8b7196a7bd94adeb7804770dd63ab3e206b9ac65

SHA256
6efd9a0bbc7ca7d5d436dd824fd8744abb2e49ccbf2c490681adf1fe2bfb68de

SHA512
af45580012717a16332c763feb64b8615d3009af06d4faf2882f1f84c440557b5df06910864350df76e52fd39ea0e1eb34d9eb6c5be3070fa1727460bea65c5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\îôèñíûå èãðû 2011.exe

Filesize
257KB

MD5
7efbdeb8ffe5383a565968ad45476ab9

SHA1
27014a8167668105e7de2c748e8aca2891a20bd6

SHA256
2c1dd31486abcf1f732543c4a3271168fee120f5ed36c6d300d92917fdb58459

SHA512
fd1da13ef2871fd68f17bc9e261d1d74d6c5a072b1ed04425f7f7a55f0e7fe8368dc8a6ba8c2d885784f11e2c21c09b6fe10002792c35fbd20a63189713daf01

Download Submit
memory/2492-53-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2492-25-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2608-19-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/2712-23-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2712-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2712-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2712-14-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2712-62-0x0000000004120000-0x00000000041DA000-memory.dmp

Filesize
744KB

Download
memory/2712-61-0x0000000004120000-0x00000000041DA000-memory.dmp

Filesize
744KB

Download
memory/2712-106-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2852-12-0x0000000002C30000-0x0000000002CEA000-memory.dmp

Filesize
744KB

Download
memory/2852-18-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2932-64-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2932-109-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download