darkcomet | a09ab6000adedacb06359bf8098b7fc1178ef86854c6c4bd0372a22e616712c3

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 01:51

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General

Target
a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
Size 1.1MB
Sample240818-b969qssapl
SHA256 a09ab6000adedacb06359bf8098b7fc1178ef86854c6c4bd0372a22e616712c3
MD5 a4ecdfea2902c8fc8fbdb6d5da6117bc
SHA1 a1aec9cf4adca9c98c61eb26820336ddd281e125
SHA512 3165fd2199f2cf30bd60857227dad15139688a750aa89afe4508c87b7a051991c2badcc492ab705d2f2463e7b1fa9675f9afd8ae703360ab1bbee88efea85219
SSDEEP 24576:fwMWD2AdGuyFLQFMPCctJTCBc99oGmNtqBnh/9FqOwvQ:fw7D2AdGjeFMPCyhC29ctqBnt9X
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet latentbot discovery persistence rat trojan

Malware Config

Extracted

Family

latentbot

fbtdsfhidsdfny5gy.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svhost.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe

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 1 IoCs

pid	Process
3440	svhost.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rundll32 .exe"	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5000 set thread context of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97

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	wscript.exe
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	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svhost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svhost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	svhost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3440	svhost.exe
Token: SeSecurityPrivilege	3440	svhost.exe
Token: SeTakeOwnershipPrivilege	3440	svhost.exe
Token: SeLoadDriverPrivilege	3440	svhost.exe
Token: SeSystemProfilePrivilege	3440	svhost.exe
Token: SeSystemtimePrivilege	3440	svhost.exe
Token: SeProfSingleProcessPrivilege	3440	svhost.exe
Token: SeIncBasePriorityPrivilege	3440	svhost.exe
Token: SeCreatePagefilePrivilege	3440	svhost.exe
Token: SeBackupPrivilege	3440	svhost.exe
Token: SeRestorePrivilege	3440	svhost.exe
Token: SeShutdownPrivilege	3440	svhost.exe
Token: SeDebugPrivilege	3440	svhost.exe
Token: SeSystemEnvironmentPrivilege	3440	svhost.exe
Token: SeChangeNotifyPrivilege	3440	svhost.exe
Token: SeRemoteShutdownPrivilege	3440	svhost.exe
Token: SeUndockPrivilege	3440	svhost.exe
Token: SeManageVolumePrivilege	3440	svhost.exe
Token: SeImpersonatePrivilege	3440	svhost.exe
Token: SeCreateGlobalPrivilege	3440	svhost.exe
Token: 33	3440	svhost.exe
Token: 34	3440	svhost.exe
Token: 35	3440	svhost.exe
Token: 36	3440	svhost.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 2196	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	93
PID 5000 wrote to memory of 2196	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	93
PID 5000 wrote to memory of 2196	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	93
PID 2196 wrote to memory of 1232	2196	cmd.exe	96
PID 2196 wrote to memory of 1232	2196	cmd.exe	96
PID 2196 wrote to memory of 1232	2196	cmd.exe	96
PID 5000 wrote to memory of 3164	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	95
PID 5000 wrote to memory of 3164	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	95
PID 5000 wrote to memory of 3164	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	95
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3440	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	97
PID 5000 wrote to memory of 3920	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	98
PID 5000 wrote to memory of 3920	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	98
PID 5000 wrote to memory of 3920	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	98
PID 5000 wrote to memory of 2316	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	99
PID 5000 wrote to memory of 2316	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	99
PID 5000 wrote to memory of 2316	5000	a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe	99
PID 1232 wrote to memory of 4624	1232	wscript.exe	100
PID 1232 wrote to memory of 4624	1232	wscript.exe	100
PID 1232 wrote to memory of 4624	1232	wscript.exe	100

C:\Users\Admin\AppData\Local\Temp\a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4ecdfea2902c8fc8fbdb6d5da6117bc_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- 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:5000
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\java.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - C:\Windows\SysWOW64\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\java2.bat
    3⤵
    - Checks computer location settings
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1232
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\java2.bat" "
      4⤵
      Drops startup file
      System Location Discovery: System Language Discovery
      PID:4624
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  PID:3164
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3440
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  PID:3920
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  PID:2316

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

Query Registry

T1012

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

invs.vbs

Path C:\Users\Admin\AppData\Local\Temp\invs.vbs
Size 78B
SHA256 20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2
MD5 c578d9653b22800c3eb6b6a51219bbb8
SHA1 a97aa251901bbe179a48dbc7a0c1872e163b1f2d
SHA512 3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d
MD5 SHA1 SHA512

Submit Download

java.bat

Path C:\Users\Admin\AppData\Local\Temp\java.bat
Size 47B
SHA256 d1a915a5e0286b1648a6e094f52813e2b5766dce3acf6342b297f7ca113545f1
MD5 81bf5400486e5da45ba0c6c1399d843f
SHA1 d70a7c4d3f3057a3ef5b8b1c764b40b3d3b4d59d
SHA512 ebeee9eb5249ee1b278bf6c1fbcd91e4c073a241203f218dfa2edfa708a37679c6e6a78751de55b4640a024b32ce4389bd5d931401309163950cd15b4a91c140
MD5 SHA1 SHA512

Submit Download

java2.bat

Path C:\Users\Admin\AppData\Local\Temp\java2.bat
Size 151B
SHA256 d9aa03911260779b1f8a9b046a7ecf7aa87b0f13c762491fe8e06c482bac09a3
MD5 ed28c618f7d8306e3736432b58bb5d27
SHA1 441e6dab70e31d9c599fcd9e2d32009038781b42
SHA512 4257d8839e881a9ab6de6230a9df1e81456cb796eb9ee2361789fa5fe4c81b297ed1c472f91d97bb0b2ebdb6acadb924617e6ffd32fc96d8ddcebf8fee4a7880
MD5 SHA1 SHA512

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rundll32 .exe

Path C:\Users\Admin\AppData\Local\Temp\rundll32 .exe
Size 1.1MB
SHA256 a09ab6000adedacb06359bf8098b7fc1178ef86854c6c4bd0372a22e616712c3
MD5 a4ecdfea2902c8fc8fbdb6d5da6117bc
SHA1 a1aec9cf4adca9c98c61eb26820336ddd281e125
SHA512 3165fd2199f2cf30bd60857227dad15139688a750aa89afe4508c87b7a051991c2badcc492ab705d2f2463e7b1fa9675f9afd8ae703360ab1bbee88efea85219
SSDEEP 24576:fwMWD2AdGuyFLQFMPCctJTCBc99oGmNtqBnh/9FqOwvQ:fw7D2AdGjeFMPCyhC29ctqBnt9X
MD5 SHA1 SHA512 SSDEEP

Submit Download

svhost.exe

Path C:\Windows\Temp\svhost.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3440-43-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-48-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-21-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-52-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-45-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-24-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-26-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-25-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-28-0x00000000022F0000-0x00000000022F1000-memory.dmp

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memory/3440-51-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-50-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-49-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-18-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-16-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-47-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-40-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-41-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-42-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-36-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-44-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/3440-46-0x0000000000400000-0x00000000004B0000-memory.dmp

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memory/5000-39-0x0000000075480000-0x0000000075A31000-memory.dmp

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memory/5000-23-0x0000000075482000-0x0000000075483000-memory.dmp

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memory/5000-35-0x0000000075480000-0x0000000075A31000-memory.dmp

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memory/5000-0-0x0000000075482000-0x0000000075483000-memory.dmp

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memory/5000-1-0x0000000075480000-0x0000000075A31000-memory.dmp

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memory/5000-27-0x0000000075480000-0x0000000075A31000-memory.dmp

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memory/5000-2-0x0000000075480000-0x0000000075A31000-memory.dmp

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