b247b9bf6d6ffb456265fd7670db0506c7379192df9622022069b0cd96e87704

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 10:56

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General

Target

MSRC4Plugin.dll
Size

13KB
MD5

35ecd42a2f8c0c1c90d42f8ac2fb7952
SHA1

60ae00b0e4f4000e6e27f30d4674a0e931261314
SHA256

55e4d509d24bed0600d773d43e92e8fb454c1707874ad98944b47df2ef149379
SHA512

eca977d209e7cf414b2c830b903853274a74fb4efa9158da9472b145cf3ab6c794b96264d0a3bae0edbb18bea4364b7ed73884058bc79959ef8adc7d5c5201f3
SSDEEP

192:+63K+YfHxi9izPpGAQF7cY22YCxyjuj2jllUyeQU/fdJOO3y/0ZkvDJn9:9OD5k7cCh2Bir9vLZkln

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/memory/4916-0-0x0000000010000000-0x0000000010012000-memory.dmp	upx

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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 4916	3096	rundll32.exe	82
PID 3096 wrote to memory of 4916	3096	rundll32.exe	82
PID 3096 wrote to memory of 4916	3096	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MSRC4Plugin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MSRC4Plugin.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4916

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/4916-0-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

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