31f8299a823ffb468dcdf6023b0afbe7fd881b7140ae23a19f86a13e613c7206

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 06:14

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General

Target

31f8299a823ffb468dcdf6023b0afbe7fd881b7140ae23a19f86a13e613c7206N.dll
Size

76KB
MD5

c2837bb7df755437b8bfa6cca3372fb0
SHA1

0091d6eceddf5351b2ed44dddf738e047aae7d88
SHA256

31f8299a823ffb468dcdf6023b0afbe7fd881b7140ae23a19f86a13e613c7206
SHA512

4ee86435bb7b432be6985d4c80d9bfc3980d10256d50705c60182ed05c8990eb6a94f46984203ed46dc1635e92defb5c05efd27a51bb32c9c890dcb4f5cad006
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlfV+gV4ILp:c8y93KQjy7G55riF1cMo03Htrp

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/372-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/372-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
916	372	WerFault.exe	82

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	372	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 372	4504	rundll32.exe	82
PID 4504 wrote to memory of 372	4504	rundll32.exe	82
PID 4504 wrote to memory of 372	4504	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\31f8299a823ffb468dcdf6023b0afbe7fd881b7140ae23a19f86a13e613c7206N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\31f8299a823ffb468dcdf6023b0afbe7fd881b7140ae23a19f86a13e613c7206N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 372 -s 712
    3⤵
    - Program crash
    PID:916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 372 -ip 372
1⤵
PID:1096

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/372-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/372-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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