815b260e4362c5b725a52f9871590ce18a5b874a12ad556df8a493c0d59de5a0

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 17:29

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General

Target

815b260e4362c5b725a52f9871590ce18a5b874a12ad556df8a493c0d59de5a0.dll
Size

664KB
MD5

f0fb804d501819b115adcfe9fdc80e40
SHA1

b52ab393edfe0a8175f6fc02eb77290270ac764f
SHA256

815b260e4362c5b725a52f9871590ce18a5b874a12ad556df8a493c0d59de5a0
SHA512

a972ccc2bca3c84cd765dd63136cf9e89cd736894f2d5b638f161cfa7365b8b830be22f2d3ae8630ef852071719841d33566f81cce4fca1dd05edd45c8b02727
SSDEEP

12288:SjsWCz8IeOiujrtjdBguM+sreeJQcIA+wIt5rD0m6JvOBMR30z+vG:WsWCz8IeOLKreeecIA+wIt5rD0m6Jv4i

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3948	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	3948	WerFault.exe	87

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 4144 wrote to memory of 3948	4144	rundll32.exe	87
PID 4144 wrote to memory of 3948	4144	rundll32.exe	87
PID 4144 wrote to memory of 3948	4144	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\815b260e4362c5b725a52f9871590ce18a5b874a12ad556df8a493c0d59de5a0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\815b260e4362c5b725a52f9871590ce18a5b874a12ad556df8a493c0d59de5a0.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:3948
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 620
    3⤵
    - Program crash
    PID:2792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3948 -ip 3948
1⤵
PID:1036

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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