2a06c39355de8abeb85c142eb5f49fde063f3407f8461878466393c31f31a1b9

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 23:42

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General

Target

2a06c39355de8abeb85c142eb5f49fde063f3407f8461878466393c31f31a1b9.dll
Size

137KB
MD5

e2f9c485f418375ab197c7daf94044e9
SHA1

5929147dfd06b5003cdc81642e8e8a21d9d03514
SHA256

2a06c39355de8abeb85c142eb5f49fde063f3407f8461878466393c31f31a1b9
SHA512

3cc916fe9d34c74dee02d78b693b810ddc76a09f4d9208f8c25185c4e74f11340d283174eaabadd2a388c3b4ac022fe8bb5dd56a99e0774819e62dfefb3419ca
SSDEEP

3072:eR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuA:L25GgFny61mra6

Score

8^/10

discovery persistence

Malware Config

Signatures

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.

persistence

Port Monitors

T1547.010

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/memory/1612-4-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

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
2080	1612	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.

discovery

System Language Discovery

T1614.001

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 564 wrote to memory of 1612	564	rundll32.exe	30
PID 564 wrote to memory of 1612	564	rundll32.exe	30
PID 564 wrote to memory of 1612	564	rundll32.exe	30
PID 564 wrote to memory of 1612	564	rundll32.exe	30
PID 564 wrote to memory of 1612	564	rundll32.exe	30
PID 564 wrote to memory of 1612	564	rundll32.exe	30
PID 564 wrote to memory of 1612	564	rundll32.exe	30
PID 1612 wrote to memory of 2080	1612	rundll32.exe	31
PID 1612 wrote to memory of 2080	1612	rundll32.exe	31
PID 1612 wrote to memory of 2080	1612	rundll32.exe	31
PID 1612 wrote to memory of 2080	1612	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a06c39355de8abeb85c142eb5f49fde063f3407f8461878466393c31f31a1b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a06c39355de8abeb85c142eb5f49fde063f3407f8461878466393c31f31a1b9.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:1612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 232
    3⤵
    - Program crash
    PID:2080

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1612-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

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memory/1612-5-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads