3f04620d6627abe5c3b4747faf26603ab7a006c81b2021ab4689bdd7033bb4cd

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/07/2026, 15:50

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General

Target
bass.dll
Size 90KB
Sample260729-s97nyaah67
SHA256 3f04620d6627abe5c3b4747faf26603ab7a006c81b2021ab4689bdd7033bb4cd
MD5 8f5b9b73d33e8c99202b5058cb6dce51
SHA1 102699b1dc7e03c9041115f5e3b178f1dab1a27a
SHA512 89d830d1ed0c55882d1cc77d1a87b193cbffd8b96010d727fad6cd2668ee94c7acfb565ddb1be5b55c8caf9791947b62e8d87fa4896d98124ca2caae0053c9df
SSDEEP 1536:fq5gk9BPaPT8yWZv6UXq+BpSAaSv5vfwKaGorBWHiauTXJSJ:fq5r9BCPT8yZfKahrsiauTZo
TLSH
T1E69301F0EFB0004FC8691372582257A8643865AD8087CECC4D2D5A7D2EFBAF465B5B57
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 2412 wrote to memory of 2244	2412	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2244

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/2244-0-0x0000000011000000-0x0000000011055000-memory.dmp

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