7f0ba1ca440d4a0485aba863a818a07412bf1d484e4030dbb29785ef7ea95cab

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 10:39

Target

7f0ba1ca440d4a0485aba863a818a07412bf1d484e4030dbb29785ef7ea95cab.dll
Size

137KB
MD5

7a32dca74c10c5d5fbdb839a010f4d7b
SHA1

ee0efe5c793978cff54fdb3e8992ce1515da0ab5
SHA256

7f0ba1ca440d4a0485aba863a818a07412bf1d484e4030dbb29785ef7ea95cab
SHA512

94f12750d257936df58afa98b505b1aa97046d34caa54a08bf78ac0f7425c02145b43333592cf274c7821f0679052601120b561437ffdff02980ac9d841aa1c3
SSDEEP

3072:8R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuv:J25GgFny61mraB

Score

8^/10

Boot or Logon Autostart Execution: Port Monitors 1 TTPs 2 IoCs

Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

Port Monitors

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll"	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Spooler\ImagePath = "Spoolsv.exe"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe
File created	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2284	2988	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2988	2120	rundll32.exe	30
PID 2120 wrote to memory of 2988	2120	rundll32.exe	30
PID 2120 wrote to memory of 2988	2120	rundll32.exe	30
PID 2120 wrote to memory of 2988	2120	rundll32.exe	30
PID 2120 wrote to memory of 2988	2120	rundll32.exe	30
PID 2120 wrote to memory of 2988	2120	rundll32.exe	30
PID 2120 wrote to memory of 2988	2120	rundll32.exe	30
PID 2988 wrote to memory of 2284	2988	rundll32.exe	31
PID 2988 wrote to memory of 2284	2988	rundll32.exe	31
PID 2988 wrote to memory of 2284	2988	rundll32.exe	31
PID 2988 wrote to memory of 2284	2988	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f0ba1ca440d4a0485aba863a818a07412bf1d484e4030dbb29785ef7ea95cab.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f0ba1ca440d4a0485aba863a818a07412bf1d484e4030dbb29785ef7ea95cab.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 228
    3⤵
    - Program crash
    PID:2284