1af039b45840346b46a0552781a6fcc4e53262ceb0297e743a331d37ae402434

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 22:06

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General

Target

7zS8B74BEBB/libstdc++-6.dll
Size

647KB
MD5

5e279950775baae5fea04d2cc4526bcc
SHA1

8aef1e10031c3629512c43dd8b0b5d9060878453
SHA256

97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87
SHA512

666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02
SSDEEP

12288:ZGRoW1chMjnv+gvJhb6bmpPSmCnh4o0v4Mc2jTrKoDSwq/3PmkfT4CmwcMcP1uE:uowcmBhKmlC4o0v4k1

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1608	4024	WerFault.exe	84

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 4416 wrote to memory of 4024	4416	rundll32.exe	84
PID 4416 wrote to memory of 4024	4416	rundll32.exe	84
PID 4416 wrote to memory of 4024	4416	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\libstdc++-6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS8B74BEBB\libstdc++-6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 632
    3⤵
    - Program crash
    PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4024 -ip 4024
1⤵
PID:1708

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/4024-2-0x0000000064940000-0x0000000064959000-memory.dmp

Filesize
100KB

Download
memory/4024-1-0x000000006494A000-0x000000006494F000-memory.dmp

Filesize
20KB

Download
memory/4024-0-0x000000006FE40000-0x000000006FFC6000-memory.dmp

Filesize
1.5MB

Download
memory/4024-5-0x000000006FE40000-0x000000006FFC6000-memory.dmp

Filesize
1.5MB

Download
memory/4024-6-0x000000006FE40000-0x000000006FFC6000-memory.dmp

Filesize
1.5MB

Download
memory/4024-4-0x000000006FE40000-0x000000006FFC6000-memory.dmp

Filesize
1.5MB

Download
memory/4024-3-0x000000006FE40000-0x000000006FFC6000-memory.dmp

Filesize
1.5MB

Download
memory/4024-8-0x000000006EB40000-0x000000006EB63000-memory.dmp

Filesize
140KB

Download
memory/4024-7-0x000000006FE40000-0x000000006FFC6000-memory.dmp

Filesize
1.5MB

Download