276c774164e58f2a9a22e776524ac519be85cee091c7459480b7cf89206f506d

Analysis

max time kernel
92s
max time network
94s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$INSTDIR_upd/python/_bz2.dll
Size

71KB
MD5

ff5ac8fb724edb1635e2ad985f98ee5b
SHA1

24c4ab38a9d92c0587e540b2a45c938a244ef828
SHA256

b94f64fcb49f40682ed794fa1940a1dc0c8a28f24a1768d3bfe774cf75f59b62
SHA512

eac95da6496a18fcbd084b34114bcb0e9be3cfa9b55ba121fc09081ecf9e0b20dc9123f06730a687f052ecdf797716024643100bd8c1adbd046db0075ac15956
SSDEEP

1536:GUrC85+U1FVoTkGBA8blhDfb9q1IT4VV+yC:RCq9dwb3Dfb9q1IT4VV4

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1632	2876	WerFault.exe	84

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 2400 wrote to memory of 2876	2400	rundll32.exe	84
PID 2400 wrote to memory of 2876	2400	rundll32.exe	84
PID 2400 wrote to memory of 2876	2400	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$INSTDIR_upd\python\_bz2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$INSTDIR_upd\python\_bz2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 628
    3⤵
    - Program crash
    PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2876 -ip 2876
1⤵
PID:3268

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

Loading Replay Monitor...