b84bad0674108e09eb3c974e8ffbaf901e69ca2939dfe70527fb369fe2df831e

Analysis

max time kernel
91s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 01:58

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General

Target

b84bad0674108e09eb3c974e8ffbaf901e69ca2939dfe70527fb369fe2df831e.dll
Size

25.3MB
MD5

a1d3922228fcfb9b734d3d92213cf525
SHA1

21834950d507117c0c9d9e4c42c76c1e5f41b61c
SHA256

b84bad0674108e09eb3c974e8ffbaf901e69ca2939dfe70527fb369fe2df831e
SHA512

d6d783f269831120902c718b1696865df89e649dbcc51bc93ff86feaf4a4944d2c8593cc3c8d5f4a6983379b4e961b453101406ab70ea150379aa3cc63d15b43
SSDEEP

393216:TS1wSi0DGQ6h03sRIPNjIILppBc284JEIFi3rEf8LVuqL9Ha5Ate:YwSi08hE0qTfBcH4HFs0IVuqLFaH

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2708	rundll32.exe
2708	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4004	2708	WerFault.exe	81

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
2708	rundll32.exe
2708	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 2708	1240	rundll32.exe	81
PID 1240 wrote to memory of 2708	1240	rundll32.exe	81
PID 1240 wrote to memory of 2708	1240	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b84bad0674108e09eb3c974e8ffbaf901e69ca2939dfe70527fb369fe2df831e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b84bad0674108e09eb3c974e8ffbaf901e69ca2939dfe70527fb369fe2df831e.dll,#1
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 720
    3⤵
    - Program crash
    PID:4004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2708 -ip 2708
1⤵
PID:1220

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/2708-0-0x0000000002550000-0x0000000003EB1000-memory.dmp

Filesize
25.4MB

Download
memory/2708-1-0x0000000002550000-0x0000000003EB1000-memory.dmp

Filesize
25.4MB

Download
memory/2708-2-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download
memory/2708-3-0x0000000002A45000-0x000000000345F000-memory.dmp

Filesize
10.1MB

Download
memory/2708-4-0x0000000002550000-0x0000000003EB1000-memory.dmp

Filesize
25.4MB

Download
memory/2708-5-0x0000000002550000-0x0000000003EB1000-memory.dmp

Filesize
25.4MB

Download
memory/2708-6-0x0000000002A45000-0x000000000345F000-memory.dmp

Filesize
10.1MB

Download