4c9acf9fa885bf772564bfaa6771b776b45d0e8daa3ce0bf89b05f4d87085686

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 00:27

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General

Target

dxupdate.dll
Size

168KB
MD5

94202f25810812f72953938552255fb8
SHA1

c1e88f196935d8affc1783ccf8b8954d7f2bfb62
SHA256

6dcad858cc3ff78d58c1dae5e93caf7d8bacb4f2fcf9e71bccb250bf32c7f564
SHA512

65b66d07ef68e0d1e79f236a4800c857e991ee3ff80ece4cfdd0b5f6083ea16f8a52d351c3af721cb05c06394ec91b4b5e3cfa4b0f0879f7549f3e3ed035e79e
SSDEEP

3072:By6LKSOwGi/9S7BLfsdg3/Vhxo4yYbfBu20jPzwRFvxdGF4EdRDWXGTHzh/KV8ce:4wGaI5W4/Vhxo4BJV0jLwTGF4IDdPEe

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2892	2868	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 WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2868	2872	rundll32.exe	30
PID 2872 wrote to memory of 2868	2872	rundll32.exe	30
PID 2872 wrote to memory of 2868	2872	rundll32.exe	30
PID 2872 wrote to memory of 2868	2872	rundll32.exe	30
PID 2872 wrote to memory of 2868	2872	rundll32.exe	30
PID 2872 wrote to memory of 2868	2872	rundll32.exe	30
PID 2872 wrote to memory of 2868	2872	rundll32.exe	30
PID 2868 wrote to memory of 2892	2868	rundll32.exe	31
PID 2868 wrote to memory of 2892	2868	rundll32.exe	31
PID 2868 wrote to memory of 2892	2868	rundll32.exe	31
PID 2868 wrote to memory of 2892	2868	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dxupdate.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dxupdate.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 232
    3⤵
    - Program crash
    PID:2892

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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