044c5577aaaea092dd5a213de19138675e8182588709cda7ccb94ebaaf8a3df3

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 08:37

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General

Target

$PLUGINSDIR/TvGetVersion.dll
Size

224KB
MD5

6ea2ec55f6f06468ee2c42a91bdd2e53
SHA1

f78eee0d1fa4f3995d6fc103089ba5561b9028b5
SHA256

9675e04270294129d6d199ebb06f62b10abc08a0742bd7e5b776187252b02a39
SHA512

ff2d9eefda7e069e4f9fca75cf1841dab81efd17d87ce326a7c05b7818743f398c4ee3159adf2bd8f5ac9a3ba9dfd902263dba4fd68a12a68ce78fd3493f1463
SSDEEP

3072:9J7KJkcma0VkpOG/374vnriZ1nmTaK405/+ncMCQ2bDhwh6:fEkcmYOG/37MnGZoeKxpuuQz6

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4040 3728 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
4040	3728	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4764 wrote to memory of 3728	4764	rundll32.exe	rundll32.exe
PID 4764 wrote to memory of 3728	4764	rundll32.exe	rundll32.exe
PID 4764 wrote to memory of 3728	4764	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\TvGetVersion.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\TvGetVersion.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 848
    3⤵
    - Program crash
    PID:4040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3728 -ip 3728
1⤵
PID:3312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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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