darkcomet | f510e4f09df66b0f832831c0551230dc304fbc07eebf22e2da7c0a90adc06be8

Analysis

max time kernel
123s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/10/2024, 14:39

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General

Target

7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
Size

1.4MB
MD5

7f9736acd718abdf82c5d9199a3cd0fc
SHA1

5c86dae89e05d91c1d280fe30cfaa1f3c7e844c1
SHA256

f510e4f09df66b0f832831c0551230dc304fbc07eebf22e2da7c0a90adc06be8
SHA512

36f084370fc580324f063c158f35e37df01c078b6b4b94cf5d0903e195c6e2f60456402b28180764bff64ffe369fb25b60f9d66245f79384ea48359ed5a7cf0b
SSDEEP

24576:P8/M61FnZOyUGNUKlGTe1P3ZKXGlgEeYhRg0zO0AlPp5Lmx3283:E/n1FBUXKKgPlgEeytO0AJnCxj

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32 .exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32 .exe	cmd.exe

Executes dropped EXE 4 IoCs

pid	Process
2784	svhost.exe
2796	svhost.exe
1152	svhost.exe
2848	svhost.exe

Loads dropped DLL 4 IoCs

pid	Process
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rundll32 .exe"	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35

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 5 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	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2784	svhost.exe
Token: SeSecurityPrivilege	2784	svhost.exe
Token: SeTakeOwnershipPrivilege	2784	svhost.exe
Token: SeLoadDriverPrivilege	2784	svhost.exe
Token: SeSystemProfilePrivilege	2784	svhost.exe
Token: SeSystemtimePrivilege	2784	svhost.exe
Token: SeProfSingleProcessPrivilege	2784	svhost.exe
Token: SeIncBasePriorityPrivilege	2784	svhost.exe
Token: SeCreatePagefilePrivilege	2784	svhost.exe
Token: SeBackupPrivilege	2784	svhost.exe
Token: SeRestorePrivilege	2784	svhost.exe
Token: SeShutdownPrivilege	2784	svhost.exe
Token: SeDebugPrivilege	2784	svhost.exe
Token: SeSystemEnvironmentPrivilege	2784	svhost.exe
Token: SeChangeNotifyPrivilege	2784	svhost.exe
Token: SeRemoteShutdownPrivilege	2784	svhost.exe
Token: SeUndockPrivilege	2784	svhost.exe
Token: SeManageVolumePrivilege	2784	svhost.exe
Token: SeImpersonatePrivilege	2784	svhost.exe
Token: SeCreateGlobalPrivilege	2784	svhost.exe
Token: 33	2784	svhost.exe
Token: 34	2784	svhost.exe
Token: 35	2784	svhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2784	svhost.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2892	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	31
PID 2364 wrote to memory of 2892	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	31
PID 2364 wrote to memory of 2892	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	31
PID 2364 wrote to memory of 2892	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	31
PID 2892 wrote to memory of 2280	2892	cmd.exe	33
PID 2892 wrote to memory of 2280	2892	cmd.exe	33
PID 2892 wrote to memory of 2280	2892	cmd.exe	33
PID 2892 wrote to memory of 2280	2892	cmd.exe	33
PID 2364 wrote to memory of 1152	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	34
PID 2364 wrote to memory of 1152	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	34
PID 2364 wrote to memory of 1152	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	34
PID 2364 wrote to memory of 1152	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	34
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2784	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	35
PID 2364 wrote to memory of 2848	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	36
PID 2364 wrote to memory of 2848	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	36
PID 2364 wrote to memory of 2848	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	36
PID 2364 wrote to memory of 2848	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	36
PID 2364 wrote to memory of 2796	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	37
PID 2364 wrote to memory of 2796	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	37
PID 2364 wrote to memory of 2796	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	37
PID 2364 wrote to memory of 2796	2364	7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe	37
PID 2280 wrote to memory of 2708	2280	wscript.exe	38
PID 2280 wrote to memory of 2708	2280	wscript.exe	38
PID 2280 wrote to memory of 2708	2280	wscript.exe	38
PID 2280 wrote to memory of 2708	2280	wscript.exe	38

C:\Users\Admin\AppData\Local\Temp\7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7f9736acd718abdf82c5d9199a3cd0fc_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\java.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\SysWOW64\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\java2.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\java2.bat" "
      4⤵
      Drops startup file
      System Location Discovery: System Language Discovery
      PID:2708
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:1152
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2784
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:2848
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:2796

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\invs.vbs

Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\java.bat

Filesize
47B

MD5
81bf5400486e5da45ba0c6c1399d843f

SHA1
d70a7c4d3f3057a3ef5b8b1c764b40b3d3b4d59d

SHA256
d1a915a5e0286b1648a6e094f52813e2b5766dce3acf6342b297f7ca113545f1

SHA512
ebeee9eb5249ee1b278bf6c1fbcd91e4c073a241203f218dfa2edfa708a37679c6e6a78751de55b4640a024b32ce4389bd5d931401309163950cd15b4a91c140

Download Submit
C:\Users\Admin\AppData\Local\Temp\java2.bat

Filesize
151B

MD5
ed28c618f7d8306e3736432b58bb5d27

SHA1
441e6dab70e31d9c599fcd9e2d32009038781b42

SHA256
d9aa03911260779b1f8a9b046a7ecf7aa87b0f13c762491fe8e06c482bac09a3

SHA512
4257d8839e881a9ab6de6230a9df1e81456cb796eb9ee2361789fa5fe4c81b297ed1c472f91d97bb0b2ebdb6acadb924617e6ffd32fc96d8ddcebf8fee4a7880

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll32 .exe

Filesize
1.4MB

MD5
7f9736acd718abdf82c5d9199a3cd0fc

SHA1
5c86dae89e05d91c1d280fe30cfaa1f3c7e844c1

SHA256
f510e4f09df66b0f832831c0551230dc304fbc07eebf22e2da7c0a90adc06be8

SHA512
36f084370fc580324f063c158f35e37df01c078b6b4b94cf5d0903e195c6e2f60456402b28180764bff64ffe369fb25b60f9d66245f79384ea48359ed5a7cf0b

Download Submit
\Windows\Temp\svhost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2364-1-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-2-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-72-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-66-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-0-0x00000000747C1000-0x00000000747C2000-memory.dmp

Filesize
4KB

Download
memory/2784-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-68-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-53-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-59-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-39-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-45-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-37-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-35-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-33-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-60-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-54-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-58-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-67-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-70-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-71-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-43-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-73-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-74-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-75-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-76-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-77-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-78-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-79-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-80-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-81-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-82-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2784-83-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download