648ee80543d70f070c497309e4c7ce090254374da938799074de93bdaafaff5a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 02:46

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General

Target
$PLUGINSDIR/System.dll
Size 12KB
Sample241106-c895nstbne
SHA256 f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
MD5 d6f54d2cefdf58836805796f55bfc846
SHA1 b980addc1a755b968dd5799179d3b4f1c2de9d2d
SHA512 ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db
SSDEEP 192:acA1YOTDExj7EFrYCT4E8y3hoSdtTgwF43E7QbGPXI9uIc6w79Mw:RR7SrtTv53tdtTgwF4SQbGPX36wJMw
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1796	2428	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 2344 wrote to memory of 2428	2344	rundll32.exe	30
PID 2344 wrote to memory of 2428	2344	rundll32.exe	30
PID 2344 wrote to memory of 2428	2344	rundll32.exe	30
PID 2344 wrote to memory of 2428	2344	rundll32.exe	30
PID 2344 wrote to memory of 2428	2344	rundll32.exe	30
PID 2344 wrote to memory of 2428	2344	rundll32.exe	30
PID 2344 wrote to memory of 2428	2344	rundll32.exe	30
PID 2428 wrote to memory of 1796	2428	rundll32.exe	31
PID 2428 wrote to memory of 1796	2428	rundll32.exe	31
PID 2428 wrote to memory of 1796	2428	rundll32.exe	31
PID 2428 wrote to memory of 1796	2428	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 220
    3⤵
    - Program crash
    PID:1796

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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