313fef6d50d8a2a27e222d8b6321ba3cd131b464910e484e7b50fa4d18eaa4ea

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 21:30

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General

Target

313fef6d50d8a2a27e222d8b6321ba3cd131b464910e484e7b50fa4d18eaa4ea.dll
Size

203KB
MD5

51a12ed60345ef20cf3cb0004604a5bb
SHA1

b4367ad8e717ca2666a8c380df56a214f49c510c
SHA256

313fef6d50d8a2a27e222d8b6321ba3cd131b464910e484e7b50fa4d18eaa4ea
SHA512

84438013bd6def29217949138d6a3532a1d9b7258a10650ae3636119a34c8264346099af9e513b431df1e2209eb0f2e8bf14df848cb158b1cb77691c1a2fe72d
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMxehl:5kmCaiEoFEd+F3txm2SpiM8hl

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/4368-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4368-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2256	4368	WerFault.exe	84

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	4368	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 4368	4644	rundll32.exe	84
PID 4644 wrote to memory of 4368	4644	rundll32.exe	84
PID 4644 wrote to memory of 4368	4644	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\313fef6d50d8a2a27e222d8b6321ba3cd131b464910e484e7b50fa4d18eaa4ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\313fef6d50d8a2a27e222d8b6321ba3cd131b464910e484e7b50fa4d18eaa4ea.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 704
    3⤵
    - Program crash
    PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4368 -ip 4368
1⤵
PID:1248

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/4368-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/4368-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download