791594cfd8388c5235ab049919a5f209ba5a07f968d3a256197e395604335e1b

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 07:38

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General

Target

791594cfd8388c5235ab049919a5f209ba5a07f968d3a256197e395604335e1bN.dll
Size

76KB
MD5

6dfb2f714c3e1fd9171d30c90a520390
SHA1

5a431d63269ec1d9573d26d7fb5b138e9e834b53
SHA256

791594cfd8388c5235ab049919a5f209ba5a07f968d3a256197e395604335e1b
SHA512

8ea7381429f966363a3df661a55ffedbd1e6a7d9fcae90c27066a1be8fa3007c5b1c74fe0511d3805135c59df6f97891d9a4bd701813505607cb740e2533d0d9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Znf5zaJs:c8y93KQjy7G55riF1cMo03xf5ss

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/2104-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2104-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process
2508	2104	WerFault.exe

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	2104	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2104	1856	rundll32.exe	30
PID 1856 wrote to memory of 2104	1856	rundll32.exe	30
PID 1856 wrote to memory of 2104	1856	rundll32.exe	30
PID 1856 wrote to memory of 2104	1856	rundll32.exe	30
PID 1856 wrote to memory of 2104	1856	rundll32.exe	30
PID 1856 wrote to memory of 2104	1856	rundll32.exe	30
PID 1856 wrote to memory of 2104	1856	rundll32.exe	30
PID 2104 wrote to memory of 2508	2104	rundll32.exe	31
PID 2104 wrote to memory of 2508	2104	rundll32.exe	31
PID 2104 wrote to memory of 2508	2104	rundll32.exe	31
PID 2104 wrote to memory of 2508	2104	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\791594cfd8388c5235ab049919a5f209ba5a07f968d3a256197e395604335e1bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\791594cfd8388c5235ab049919a5f209ba5a07f968d3a256197e395604335e1bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 232
    3⤵
    - Program crash
    PID:2508

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/2104-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2104-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2104-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download