f9baf3fd7262a6ff3a7b5f581f8956479b930dbd87032edeb4b740b931db4e7b

Analysis

max time kernel
84s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 11:03

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General

Target

f9baf3fd7262a6ff3a7b5f581f8956479b930dbd87032edeb4b740b931db4e7bN.dll
Size

76KB
MD5

a756dbb4f412bdecc7d243ec79854450
SHA1

b95e9a2f5fd3a87782f2e026c366daa8e4dc7031
SHA256

f9baf3fd7262a6ff3a7b5f581f8956479b930dbd87032edeb4b740b931db4e7b
SHA512

61fc884a2381d092ea2562ab1bed139461412f32b56f23da31d7350fd58b6723e7efb26587f51dccfbf4048ed7076a1957a5e2053acc142da3e8e58b53af4030
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZAC3Fxv5xx:c8y93KQjy7G55riF1cMo03d/5xx

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
behavioral1/memory/1672-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1672-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	1672	WerFault.exe	31

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	1672	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 540 wrote to memory of 1672	540	rundll32.exe	31
PID 1672 wrote to memory of 2316	1672	rundll32.exe	32
PID 1672 wrote to memory of 2316	1672	rundll32.exe	32
PID 1672 wrote to memory of 2316	1672	rundll32.exe	32
PID 1672 wrote to memory of 2316	1672	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9baf3fd7262a6ff3a7b5f581f8956479b930dbd87032edeb4b740b931db4e7bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9baf3fd7262a6ff3a7b5f581f8956479b930dbd87032edeb4b740b931db4e7bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 336
    3⤵
    - Program crash
    PID:2316

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/1672-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1672-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1672-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download