276c774164e58f2a9a22e776524ac519be85cee091c7459480b7cf89206f506d

Analysis

max time kernel
113s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 03:55

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General

Target

$INSTDIR_upd/python/_contextvars.dll
Size

19KB
MD5

c3aa567a4e88b8bbff326e7b4539dcf4
SHA1

eb941756769de6f3799529d1d4d60b6b6dae70ae
SHA256

0bc18f1a027a851e502269163764e84eabe43fc9ec72ee092e2048a8b8a277e0
SHA512

2c093f783316ecfa0bd5138ec31d78d5336068c28d173b8b98f2ec581c5142135ae43eb9e91b98ae86e0119fdd47eff73ac73f881771b16329fdc60983d8df68
SSDEEP

384:URc+jyq45kKGl0NIjAV6P6y6nYPLFzBX2VDFANkorae:L+jy+KnNIjA0PV6YzBGVp+ye

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	2524	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 540 wrote to memory of 2524	540	rundll32.exe	92
PID 540 wrote to memory of 2524	540	rundll32.exe	92
PID 540 wrote to memory of 2524	540	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$INSTDIR_upd\python\_contextvars.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$INSTDIR_upd\python\_contextvars.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 628
    3⤵
    - Program crash
    PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2524 -ip 2524
1⤵
PID:3456

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=4396,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:8
1⤵
PID:896

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

Windows 7 deprecation

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