43e5cc9e71a12e289af88ee39ed548bcd8f420567d37ba4bc811464667f690d8

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 02:52

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General

Target

43e5cc9e71a12e289af88ee39ed548bcd8f420567d37ba4bc811464667f690d8.dll
Size

76KB
MD5

e3dc8f938ddf10bb5d952269dcc4f6ff
SHA1

7e21c3b9e1080afc05499c135cd6a2142a09d60a
SHA256

43e5cc9e71a12e289af88ee39ed548bcd8f420567d37ba4bc811464667f690d8
SHA512

4bb0621cb72741e5a00d4faff709db83ffc7d7b26368c6aef688ebdcbfc5005f589af2e9fb22e3ce1dbffea048ef3b96177f991c2c7f7c1970f3f28c8d360750
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZDvrXgD:c8y93KQjy7G55riF1cMo03p7gD

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/5036-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5036-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3660	5036	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	5036	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 5036	2452	rundll32.exe	83
PID 2452 wrote to memory of 5036	2452	rundll32.exe	83
PID 2452 wrote to memory of 5036	2452	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\43e5cc9e71a12e289af88ee39ed548bcd8f420567d37ba4bc811464667f690d8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\43e5cc9e71a12e289af88ee39ed548bcd8f420567d37ba4bc811464667f690d8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 704
    3⤵
    - Program crash
    PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5036 -ip 5036
1⤵
PID:4612

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/5036-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5036-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download