4208435bd43dfd144d9893bef0889d3f73177d67f1b190cba890fcfb648d03ef

Analysis

max time kernel
75s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 13:35

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General

Target

4208435bd43dfd144d9893bef0889d3f73177d67f1b190cba890fcfb648d03efN.dll
Size

76KB
MD5

868f5853cd2612493d5ce3c21b95b260
SHA1

1fcd0ecc3cdb552824c61a683d86a8806fd2c329
SHA256

4208435bd43dfd144d9893bef0889d3f73177d67f1b190cba890fcfb648d03ef
SHA512

2d5cc73033c1fba0298135eff9f95b53a5106182bcb81ed03f41f7d934bed583abdcfdf085f0e4c8f19460146dec19e4df459b2138641dec3005800396ae2a19
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z6dAa:c8y93KQjy7G55riF1cMo03kJ

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/2668-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2668-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2732	2668	WerFault.exe	30

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	2668	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2668	2244	rundll32.exe	30
PID 2244 wrote to memory of 2668	2244	rundll32.exe	30
PID 2244 wrote to memory of 2668	2244	rundll32.exe	30
PID 2244 wrote to memory of 2668	2244	rundll32.exe	30
PID 2244 wrote to memory of 2668	2244	rundll32.exe	30
PID 2244 wrote to memory of 2668	2244	rundll32.exe	30
PID 2244 wrote to memory of 2668	2244	rundll32.exe	30
PID 2668 wrote to memory of 2732	2668	rundll32.exe	31
PID 2668 wrote to memory of 2732	2668	rundll32.exe	31
PID 2668 wrote to memory of 2732	2668	rundll32.exe	31
PID 2668 wrote to memory of 2732	2668	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4208435bd43dfd144d9893bef0889d3f73177d67f1b190cba890fcfb648d03efN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4208435bd43dfd144d9893bef0889d3f73177d67f1b190cba890fcfb648d03efN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 308
    3⤵
    - Program crash
    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/2668-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2668-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download