f4b16631e413eab309b7db211bd71ebbbd9528f4b0dcb8dd3de15238c71973c2

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 05:38

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General

Target

f4b16631e413eab309b7db211bd71ebbbd9528f4b0dcb8dd3de15238c71973c2.dll
Size

76KB
MD5

5fc1bdd483bd3a2a640d28247c86a271
SHA1

08bc00100cb3c0817040d133ce19599fe01ddffc
SHA256

f4b16631e413eab309b7db211bd71ebbbd9528f4b0dcb8dd3de15238c71973c2
SHA512

2b984ca7bf814e91fc30d10a8bec23bd2f153088a8b3e38f91784981f3786a615c7953406a727dffe09677dbac4e8edd352942b49f5e8fa21d8ed1ada3097527
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZjB4:c8y93KQjy7G55riF1cMo03hy

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/3412-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3412-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4892	3412	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	3412	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 3412	2436	rundll32.exe	83
PID 2436 wrote to memory of 3412	2436	rundll32.exe	83
PID 2436 wrote to memory of 3412	2436	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4b16631e413eab309b7db211bd71ebbbd9528f4b0dcb8dd3de15238c71973c2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4b16631e413eab309b7db211bd71ebbbd9528f4b0dcb8dd3de15238c71973c2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 712
    3⤵
    - Program crash
    PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3412 -ip 3412
1⤵
PID:2732

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/3412-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3412-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download