8b520851d41fbcfa7cf30e8fa100a677453cb24cded10bc799c1f4a83b39ff5b

Analysis

max time kernel
124s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 18:36

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General

Target

32/AVBScriptRunner.dll
Size

2.6MB
MD5

90c869dbc094b5f3b1b09e795087c9b2
SHA1

5ff479be3f662f5b0302f4720d892c598749ec97
SHA256

d22e5ab82d4b9616538fa18167e6f1b9c66ce33253b956a01bf80e05c3aa82da
SHA512

59d60e44d1921557250261b7e3024764cd49fd0eba1b3a356be2488b92c04d5783e92276e2bb4dbca23f1f812d76c55042f9faf06d7b6d7e693972421be459fe
SSDEEP

49152:yOPBg7OHe0xGJTbv9sZSGliC4v23VudxkxWvheTWV:tPBg7OVMJTb6ZSGQL+3VudxdpJ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
544	3044	WerFault.exe	92

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 2032 wrote to memory of 3044	2032	rundll32.exe	92
PID 2032 wrote to memory of 3044	2032	rundll32.exe	92
PID 2032 wrote to memory of 3044	2032	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\32\AVBScriptRunner.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\32\AVBScriptRunner.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 684
    3⤵
    - Program crash
    PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3044 -ip 3044
1⤵
PID:2984

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4444,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4424 /prefetch:8
1⤵
PID:3816

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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