darkcomet | f1189801504dd6c8df11c6230b0baf65adf92d73d0ccd610606ec82086b290e2

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 14:03

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General

Target

9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Size

1.4MB
MD5

9522ffcf82c36bb85de3f4f8c1a410b6
SHA1

726443d1b3f2203edf659733378bf46ee3cace14
SHA256

f1189801504dd6c8df11c6230b0baf65adf92d73d0ccd610606ec82086b290e2
SHA512

a298652ced75088d4e7256b295a6bcebdbf8e1d0a600aa7056f29f94d1b58992ff3e4a5d9a56e4aeb43fb0a50186cb81187c225c0f59f50e8f8417678f805570
SSDEEP

24576:Bo6MdmIRegLl6gzX1CM74BdGBUf7yvPy9Fgqexv2UIb2h:Bo6MdbReyl6YIA4G6TyvPFqeFOb2h

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe"	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 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	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winupdate.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2552	notepad.exe

Executes dropped EXE 2 IoCs

pid	Process
4196	winupdate.exe
3572	winupdate.exe

Loads dropped DLL 3 IoCs

pid	Process
3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
4196	winupdate.exe
3504	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File created	C:\Windows\SysWOW64\NvBvBn88.DLL	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3460 set thread context of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 4196 set thread context of 3572	4196	winupdate.exe	87
PID 3572 set thread context of 3504	3572	winupdate.exe	88

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3460-0-0x0000000000400000-0x00000000004BD000-memory.dmp	upx
behavioral2/memory/3460-11-0x0000000000400000-0x00000000004BD000-memory.dmp	upx
behavioral2/files/0x0007000000023c9f-19.dat	upx
behavioral2/memory/4196-31-0x0000000000400000-0x00000000004BD000-memory.dmp	upx
behavioral2/memory/4196-42-0x0000000000400000-0x00000000004BD000-memory.dmp	upx
behavioral2/memory/3504-39-0x0000000000400000-0x00000000004BD000-memory.dmp	upx
behavioral2/memory/3504-38-0x0000000000400000-0x00000000004BD000-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	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Checks processor information in registry 2 TTPs 8 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\ProcessorNameString	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winupdate.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winupdate.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winupdate.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeSecurityPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeBackupPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeRestorePrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeShutdownPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeDebugPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeUndockPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: 33	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: 34	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: 35	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: 36	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3572	winupdate.exe
Token: SeSecurityPrivilege	3572	winupdate.exe
Token: SeTakeOwnershipPrivilege	3572	winupdate.exe
Token: SeLoadDriverPrivilege	3572	winupdate.exe
Token: SeSystemProfilePrivilege	3572	winupdate.exe
Token: SeSystemtimePrivilege	3572	winupdate.exe
Token: SeProfSingleProcessPrivilege	3572	winupdate.exe
Token: SeIncBasePriorityPrivilege	3572	winupdate.exe
Token: SeCreatePagefilePrivilege	3572	winupdate.exe
Token: SeBackupPrivilege	3572	winupdate.exe
Token: SeRestorePrivilege	3572	winupdate.exe
Token: SeShutdownPrivilege	3572	winupdate.exe
Token: SeDebugPrivilege	3572	winupdate.exe
Token: SeSystemEnvironmentPrivilege	3572	winupdate.exe
Token: SeChangeNotifyPrivilege	3572	winupdate.exe
Token: SeRemoteShutdownPrivilege	3572	winupdate.exe
Token: SeUndockPrivilege	3572	winupdate.exe
Token: SeManageVolumePrivilege	3572	winupdate.exe
Token: SeImpersonatePrivilege	3572	winupdate.exe
Token: SeCreateGlobalPrivilege	3572	winupdate.exe
Token: 33	3572	winupdate.exe
Token: 34	3572	winupdate.exe
Token: 35	3572	winupdate.exe
Token: 36	3572	winupdate.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
4196	winupdate.exe
3504	explorer.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 3460 wrote to memory of 1824	3460	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	82
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 5068	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	83
PID 1824 wrote to memory of 4824	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	84
PID 1824 wrote to memory of 4824	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	84
PID 1824 wrote to memory of 4824	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	84
PID 1824 wrote to memory of 4196	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	85
PID 1824 wrote to memory of 4196	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	85
PID 1824 wrote to memory of 4196	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	85
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 1824 wrote to memory of 2552	1824	9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe	86
PID 4196 wrote to memory of 3572	4196	winupdate.exe	87
PID 4196 wrote to memory of 3572	4196	winupdate.exe	87
PID 4196 wrote to memory of 3572	4196	winupdate.exe	87
PID 4196 wrote to memory of 3572	4196	winupdate.exe	87

C:\Users\Admin\AppData\Local\Temp\9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9522ffcf82c36bb85de3f4f8c1a410b6_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:5068
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    PID:4824
- - C:\Windupdt\winupdate.exe
    "C:\Windupdt\winupdate.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:4196
  - - C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      4⤵
      Checks BIOS information in registry
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious use of AdjustPrivilegeToken
      PID:3572
    - - C:\Windows\SysWOW64\explorer.exe
        
        "C:\Windows\SysWOW64\explorer.exe"
        5⤵
        Loads dropped DLL
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3504
- - C:\Windows\SysWOW64\notepad.exe
    C:\Windows\SysWOW64\notepad.exe
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2552

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

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

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Downloads

C:\Windows\SysWOW64\NvBvBn88.DLL

Filesize
1.3MB

MD5
f28eb5cbc3ca6d8c787f09f047d1f9c8

SHA1
70db1fac822974bc9b636a984bcc1da2e67f8de5

SHA256
3ef32e0152cc3fa07c417e6aadf9ead83a17b5fdee73799044e1bd7564725d6e

SHA512
84f811f75e9d5143898728d2109b349802a292d4ef2ccae4b4421d20268a33c6ddee9c70e8bdeb474a3ac70307b2554c00ce786ca1f446807610fa2717f3745f

Download Submit
C:\Windupdt\winupdate.exe

Filesize
1.4MB

MD5
9522ffcf82c36bb85de3f4f8c1a410b6

SHA1
726443d1b3f2203edf659733378bf46ee3cace14

SHA256
f1189801504dd6c8df11c6230b0baf65adf92d73d0ccd610606ec82086b290e2

SHA512
a298652ced75088d4e7256b295a6bcebdbf8e1d0a600aa7056f29f94d1b58992ff3e4a5d9a56e4aeb43fb0a50186cb81187c225c0f59f50e8f8417678f805570

Download Submit
memory/1824-32-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/1824-8-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/1824-9-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/1824-7-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/1824-12-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/1824-13-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/2552-26-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download
memory/3460-11-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3460-0-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3504-39-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3504-38-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3572-37-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/4196-31-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/4196-42-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/5068-15-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads