6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2025, 03:52

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General

Target

6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.dll
Size

137KB
MD5

21686af496a9759f08456c0161b05274
SHA1

d1db5d34a657b82261185935a14ebc2c373138e6
SHA256

6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa
SHA512

f03f04eb4a8cf7d482d0313f50a5d58c0b2d429379a6de4684c05bd6e6f9b6659d359fd6acf8b5caf85ccab3671eeec4171ae6acab149a5665c1a52a06fb6bbe
SSDEEP

3072:ER02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuO:h25GgFny61mra8

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

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
4272	2328	WerFault.exe	85

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 3 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 2328	1896	rundll32.exe	85
PID 1896 wrote to memory of 2328	1896	rundll32.exe	85
PID 1896 wrote to memory of 2328	1896	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.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
  PID:2328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 624
    3⤵
    - Program crash
    PID:4272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2328 -ip 2328
1⤵
PID:908

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/2328-4-0x0000000043E50000-0x0000000043E77000-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