67766e574baa86eb8317623acc2957e8e28944bb801a8c10a0fa9d29fdb4cfd3

Analysis

max time kernel
150s
max time network
123s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 03:18

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General

Target
bass.dll
Size 125KB
Sample260805-dtmlhaxclg
SHA256 67766e574baa86eb8317623acc2957e8e28944bb801a8c10a0fa9d29fdb4cfd3
MD5 7623474a8b9bec1e3ffca813cdf93bc3
SHA1 4a1c0ecf8cbed18d0472136a7096ee8c3c2fa774
SHA512 b7e7205e48eade918d63b483fb500867cc8196496fe9136f0177481d654a67af8319b6823fb04787e4bd6ee46c031c2b6fea57f0bf12b8a58cf8e0003834bd7b
SSDEEP 3072:er+5IHiXfBXJ2omnEAOUqXfOq5Nny8+qvUFjuvQniIGwFE:A+5IHiPBJsnyUqvXNZjvKC2Gv
TLSH
T1F4C312B5CDFA60E7C28F45361071E05407F4FA649E428EE16ED9B508C9FE2F1AC1879A
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 852 wrote to memory of 5456	852	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5456

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/5456-1-0x0000000075560000-0x00000000755B7000-memory.dmp

Download

memory/5456-3-0x0000000001170000-0x0000000001180000-memory.dmp