a335be6047d3634751f4dfbe7a6e0b333b7cd790fe9f79e7479e412969e2cf66

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 10:06

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General

Target

a335be6047d3634751f4dfbe7a6e0b333b7cd790fe9f79e7479e412969e2cf66N.dll
Size

76KB
MD5

b912551c8200fcafad6a8806dec063e0
SHA1

26984696b4356bb5f2888c7aabeef3fd5a44a87b
SHA256

a335be6047d3634751f4dfbe7a6e0b333b7cd790fe9f79e7479e412969e2cf66
SHA512

a058be0bf97e97b3f359084a8d55c632722221608b45e49ce8dd6bf8f4331224d7f1bc975d8f5173283588c1c8ec7552126e7082209e8b7804bf2c75e4919fb9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5kHixiT8:c8y93KQjy7G55riF1cMo03/kHixiT8

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/2924-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2924-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3812	2924	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	2924	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2924	2360	rundll32.exe	82
PID 2360 wrote to memory of 2924	2360	rundll32.exe	82
PID 2360 wrote to memory of 2924	2360	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a335be6047d3634751f4dfbe7a6e0b333b7cd790fe9f79e7479e412969e2cf66N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a335be6047d3634751f4dfbe7a6e0b333b7cd790fe9f79e7479e412969e2cf66N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 704
    3⤵
    - Program crash
    PID:3812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2924 -ip 2924
1⤵
PID:4620

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/2924-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2924-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download