e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/09/2024, 14:48

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General

Target

_isdecmp.dll
Size

13KB
MD5

a813d18268affd4763dde940246dc7e5
SHA1

c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256

e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512

b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4
SSDEEP

384:BXvhMwoSitz/bjx7yxnbdn+EHvbsHoOODCg:BZ7FEAbd+EDsIO

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	1724	WerFault.exe	29

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 2584 wrote to memory of 1724	2584	rundll32.exe	29
PID 2584 wrote to memory of 1724	2584	rundll32.exe	29
PID 2584 wrote to memory of 1724	2584	rundll32.exe	29
PID 2584 wrote to memory of 1724	2584	rundll32.exe	29
PID 2584 wrote to memory of 1724	2584	rundll32.exe	29
PID 2584 wrote to memory of 1724	2584	rundll32.exe	29
PID 2584 wrote to memory of 1724	2584	rundll32.exe	29
PID 1724 wrote to memory of 1728	1724	rundll32.exe	30
PID 1724 wrote to memory of 1728	1724	rundll32.exe	30
PID 1724 wrote to memory of 1728	1724	rundll32.exe	30
PID 1724 wrote to memory of 1728	1724	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_isdecmp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_isdecmp.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 224
    3⤵
    - Program crash
    PID:1728

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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