be55e3f10cb97d954a7f5be77c43c0c44406369e2ad9768f30b86e2a5ca46fd5

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 06:47

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General

Target

be55e3f10cb97d954a7f5be77c43c0c44406369e2ad9768f30b86e2a5ca46fd5.dll
Size

76KB
MD5

293fc4dee3304f7f6861899271ade798
SHA1

77ac10b12ebb87cc9a10f97b2a77fe9975239602
SHA256

be55e3f10cb97d954a7f5be77c43c0c44406369e2ad9768f30b86e2a5ca46fd5
SHA512

89b63f018f0544719dd02466bb4714e7a3f63f59dc7ce1b1236138f95b1e67e726803f99d4f1fad7dd09d74d3b9eb5cb7bd7ebad0067515e599362acd139f22c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2Mgcu/btnzXxK:c8y93KQjy7G55riF1cMo03CnzXxK

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/4448-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4448-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3280	4448	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	4448	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 4448	1912	rundll32.exe	82
PID 1912 wrote to memory of 4448	1912	rundll32.exe	82
PID 1912 wrote to memory of 4448	1912	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\be55e3f10cb97d954a7f5be77c43c0c44406369e2ad9768f30b86e2a5ca46fd5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\be55e3f10cb97d954a7f5be77c43c0c44406369e2ad9768f30b86e2a5ca46fd5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 704
    3⤵
    - Program crash
    PID:3280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4448 -ip 4448
1⤵
PID:4596

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/4448-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4448-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download