e04aba0e0f6a4aca9da4d5edf558e9d6d536d6d8e3d67df3a119a0ebe7a32d0c

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/03/2025, 11:31

Target

e04aba0e0f6a4aca9da4d5edf558e9d6d536d6d8e3d67df3a119a0ebe7a32d0c.dll
Size

137KB
MD5

8bdcaab64127c866f997b01440c527d5
SHA1

83dfa4a2ceca9615fbe58db0c0d2885fdba201dd
SHA256

e04aba0e0f6a4aca9da4d5edf558e9d6d536d6d8e3d67df3a119a0ebe7a32d0c
SHA512

8af721e4921aef2488e07a05cfe7b5f72ed044f81eccff243b5863335c7ceb046211a2bbeec28b2fc42b9157ab1bb657b9e7d88f19a31db635faef1d5b3bddb5
SSDEEP

3072:3R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUui:K25GgFny61mraE

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
2288	2892	WerFault.exe	29

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 1356 wrote to memory of 2892	1356	rundll32.exe	29
PID 1356 wrote to memory of 2892	1356	rundll32.exe	29
PID 1356 wrote to memory of 2892	1356	rundll32.exe	29
PID 1356 wrote to memory of 2892	1356	rundll32.exe	29
PID 1356 wrote to memory of 2892	1356	rundll32.exe	29
PID 1356 wrote to memory of 2892	1356	rundll32.exe	29
PID 1356 wrote to memory of 2892	1356	rundll32.exe	29
PID 2892 wrote to memory of 2288	2892	rundll32.exe	30
PID 2892 wrote to memory of 2288	2892	rundll32.exe	30
PID 2892 wrote to memory of 2288	2892	rundll32.exe	30
PID 2892 wrote to memory of 2288	2892	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e04aba0e0f6a4aca9da4d5edf558e9d6d536d6d8e3d67df3a119a0ebe7a32d0c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e04aba0e0f6a4aca9da4d5edf558e9d6d536d6d8e3d67df3a119a0ebe7a32d0c.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:2892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 232
    3⤵
    - Program crash
    PID:2288

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2820