39f1703e13bdc112f4ffe9240f70cd5eb5b07cc218e6b22a8d58e4dcfaadd0a1

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 14:16

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General

Target
$PLUGINSDIR/UserInfo.dll
Size 4KB
Sample240902-rk5bvashpg
SHA256 77b40d42606d48f817b901f1e5abea114b4288b344b8c193bf3e3c52e469a926
MD5 d1e37112390e6bcca8362788d61becf5
SHA1 d97888f0f69d34de202e7c68b8ff5b2c2fec4c5f
SHA512 04121e5241ad14890095a6cf5e698979820fa97d911918b9b77f2064a713e20f4827f72c057d5da1789bc340d63f391872fe5dfbb79e6c33d3995f82c37fa51f
MD5 SHA1 SHA512

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2140	756	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 2568 wrote to memory of 756	2568	rundll32.exe	30
PID 2568 wrote to memory of 756	2568	rundll32.exe	30
PID 2568 wrote to memory of 756	2568	rundll32.exe	30
PID 2568 wrote to memory of 756	2568	rundll32.exe	30
PID 2568 wrote to memory of 756	2568	rundll32.exe	30
PID 2568 wrote to memory of 756	2568	rundll32.exe	30
PID 2568 wrote to memory of 756	2568	rundll32.exe	30
PID 756 wrote to memory of 2140	756	rundll32.exe	31
PID 756 wrote to memory of 2140	756	rundll32.exe	31
PID 756 wrote to memory of 2140	756	rundll32.exe	31
PID 756 wrote to memory of 2140	756	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 756 -s 224
    3⤵
    - Program crash
    PID:2140

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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