2a55152223fbb52bd26371f9979de7b55ed2b75e786e55fa8b65e030e6fd3dfe

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 20:36

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General

Target

2a55152223fbb52bd26371f9979de7b55ed2b75e786e55fa8b65e030e6fd3dfe.dll
Size

76KB
MD5

1adb849b2476cc07936e10b02d37431b
SHA1

9284f6f56b529e53cc95ce4acec26336b50cc9c8
SHA256

2a55152223fbb52bd26371f9979de7b55ed2b75e786e55fa8b65e030e6fd3dfe
SHA512

7cfd526b3628988c629ce66314751e53d86141841076653cce9cb52445cf9328dedcbd8eda285cc7463bef2d44cf1b65188426431bae7a84059f7a97f400a864
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZH2yoE:c8y93KQjy7G55riF1cMo03HoE

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/2024-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2024-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1792	2024	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	2024	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2024	548	rundll32.exe	31
PID 548 wrote to memory of 2024	548	rundll32.exe	31
PID 548 wrote to memory of 2024	548	rundll32.exe	31
PID 548 wrote to memory of 2024	548	rundll32.exe	31
PID 548 wrote to memory of 2024	548	rundll32.exe	31
PID 548 wrote to memory of 2024	548	rundll32.exe	31
PID 548 wrote to memory of 2024	548	rundll32.exe	31
PID 2024 wrote to memory of 1792	2024	rundll32.exe	32
PID 2024 wrote to memory of 1792	2024	rundll32.exe	32
PID 2024 wrote to memory of 1792	2024	rundll32.exe	32
PID 2024 wrote to memory of 1792	2024	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a55152223fbb52bd26371f9979de7b55ed2b75e786e55fa8b65e030e6fd3dfe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a55152223fbb52bd26371f9979de7b55ed2b75e786e55fa8b65e030e6fd3dfe.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 308
    3⤵
    - Program crash
    PID:1792

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/2024-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2024-1-0x00000000774A3000-0x00000000774A4000-memory.dmp

Filesize
4KB

Download
memory/2024-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download