8633e8ad7172b095ed7ba40fa1039a64b04b20e6f42ac428e103d0c793831bda

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/05/2026, 12:19

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General

Target
_bz2.dll
Size 77KB
Sample260501-pg7lpabs3k
SHA256 8633e8ad7172b095ed7ba40fa1039a64b04b20e6f42ac428e103d0c793831bda
MD5 f73ea2b834471fb01d491a65caa1eea3
SHA1 00e888645e0a1638c639a2c21df04a3baa4c640a
SHA512 b8329b33d78458c2ac7979a5c5a19bd37ea9a473682d23faf54e77cfc5edadc0426490add9864e99a719ac5b4a57c5326ed82496adf80afd1876577caa608418
SSDEEP 1536:lN4tUR4boUcb0gALCLwgNm0q8VsDJIDtVHC7Sy0PxW:nHIg0gk8m0tVsDJIDtVHC+xW
TLSH
T114737C40F8CBA6EDE95B2E3057E0912FF638E234CB00C6E7EBD6D4291B582535935627
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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 1 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 5080	5004	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_bz2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_bz2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5080

Network

MITRE ATT&CK Enterprise v16

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/5080-0-0x0000000000D60000-0x0000000000DDB000-memory.dmp

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