b30191b38abb4457348fc9ffadfaec580e153987085b5ee31c2564866c01033f

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 16:04

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General

Target

b30191b38abb4457348fc9ffadfaec580e153987085b5ee31c2564866c01033f.dll
Size

76KB
MD5

1823a4dbbc17d1f14d198a1bc257c99e
SHA1

d9fa666406e2d40a6ee190c4773ee89c888fe3e9
SHA256

b30191b38abb4457348fc9ffadfaec580e153987085b5ee31c2564866c01033f
SHA512

18754a897e095b41e6cf52224495a49c703ee4edf920426a597104b4b2677a8a41d7e2e9b3a6bd13d5bd9ddae0dd12ae6752d7a6b7c17d2f4b3550334a03ab86
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtsM0/9iuypyZ:c8y93KQjy7G55riF1cMo03zueyZ

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4008-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4008-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1640	4008	WerFault.exe	83

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4008	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 4008	4460	rundll32.exe	83
PID 4460 wrote to memory of 4008	4460	rundll32.exe	83
PID 4460 wrote to memory of 4008	4460	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b30191b38abb4457348fc9ffadfaec580e153987085b5ee31c2564866c01033f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b30191b38abb4457348fc9ffadfaec580e153987085b5ee31c2564866c01033f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 712
    3⤵
    - Program crash
    PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4008 -ip 4008
1⤵
PID:2284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4008-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4008-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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