6e0e786236801f1f821db8446306e16feee90d9cc2903f48c918717f161974c3

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 18:52

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General

Target

libspeex.dll
Size

251KB
MD5

0800550e74e334af48c23a5bdc0a704e
SHA1

448290c4a4674fe053629e6cf5b4a0c4c70beca2
SHA256

89cd59fb40cfb3707146d3a0f6376cb3afb13d698f80d21e06073a4b19a591af
SHA512

27d36df61c31f16c1bd12181515c829312e1a6603870866533323bc309ae5755d272b451ec99ef0512a0579d1b6ddda91421931c0ff2565537c5fee7437e946a
SSDEEP

3072:4LNnhuPh6IqLqWZMwhu20Q2L+GwWBqUrzMTz7VHmjzBTCbAg0FuXsDBNjtjU:4LKiLq8MN2r3GwWBqU3ofEP2AOXsNLU

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2628	2664	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2664	2004	rundll32.exe	30
PID 2004 wrote to memory of 2664	2004	rundll32.exe	30
PID 2004 wrote to memory of 2664	2004	rundll32.exe	30
PID 2004 wrote to memory of 2664	2004	rundll32.exe	30
PID 2004 wrote to memory of 2664	2004	rundll32.exe	30
PID 2004 wrote to memory of 2664	2004	rundll32.exe	30
PID 2004 wrote to memory of 2664	2004	rundll32.exe	30
PID 2664 wrote to memory of 2628	2664	rundll32.exe	31
PID 2664 wrote to memory of 2628	2664	rundll32.exe	31
PID 2664 wrote to memory of 2628	2664	rundll32.exe	31
PID 2664 wrote to memory of 2628	2664	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libspeex.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\libspeex.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 224
    3⤵
    - Program crash
    PID:2628

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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