3f41452eb1e3aac78fd29e83a530154ff8ae66f2e70a9d54b92ed49b57cdf2fe

Analysis

max time kernel
899s
max time network
463s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
05/06/2026, 12:10

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General

Target
BtMob 4.5.5/BTMOB v4.5.5/Resources/tools/libwinpthread-1.dll
Size 76KB
Sample260605-pcb9zsf14m
SHA256 3f41452eb1e3aac78fd29e83a530154ff8ae66f2e70a9d54b92ed49b57cdf2fe
MD5 89c36848e4e5b4b1f38d54ce286f8c77
SHA1 91bcff0258201826a77615bdad7d7315b0885af4
SHA512 dde9b72c1396cfdcc74a22989cc10e367cd03b9abee474d647272f6c8e8aa2a6b868804c335bc2773a5e3ba66dd390e7dabe78344b5839c06315b04cc62a5a2d
SSDEEP 1536:dj+7MrgyymQhXeVt3UcffVrl9jETRopN655HhUoEi1zuRvwHd541wQ04Mim3YCgb:dj0MrMmL30TuauRvw921wQ0Pim3YCgma
TLSH
T12C732915F70380F9D8131A711186A9D765B0970F89159EEFF7AC8C6DF73EA8099380AE
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 4564 wrote to memory of 4476	4564	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\BtMob 4.5.5\BTMOB v4.5.5\Resources\tools\libwinpthread-1.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\BtMob 4.5.5\BTMOB v4.5.5\Resources\tools\libwinpthread-1.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4476

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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