f1a28b9398c8b17df7509e4763eb9477345bbc116d59cb1ee6e39afe1bc191a2

Analysis

max time kernel
96s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 02:22

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General

Target

f1a28b9398c8b17df7509e4763eb9477345bbc116d59cb1ee6e39afe1bc191a2.dll
Size

76KB
MD5

0d72d6556712ffa0c2017ffb9a6aceb5
SHA1

999438977ad5ee03905ac4b9ac44f83b74965c36
SHA256

f1a28b9398c8b17df7509e4763eb9477345bbc116d59cb1ee6e39afe1bc191a2
SHA512

3d584a852f3379c45339ccae0e9bc5f5be053796ae657c103c5bdc9a59d4123c85238589d158e307ae6af67ca9427d38361ef6949db579dd7cf6bbc492ae5056
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcoT7:c8y93KQjy7G55riF1cMo035

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3976-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3976-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5000	3976	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3976	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 3976	4864	rundll32.exe	85
PID 4864 wrote to memory of 3976	4864	rundll32.exe	85
PID 4864 wrote to memory of 3976	4864	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1a28b9398c8b17df7509e4763eb9477345bbc116d59cb1ee6e39afe1bc191a2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1a28b9398c8b17df7509e4763eb9477345bbc116d59cb1ee6e39afe1bc191a2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 716
    3⤵
    - Program crash
    PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3976 -ip 3976
1⤵
PID:4416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/3976-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3976-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download