ca5cdb12d7446accecbcf99edc804f3b538cb96f0bedf407415cc5aaba7bb165

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 13:11

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General

Target

$PLUGINSDIR/Base64.dll
Size

32KB
MD5

fb6ffa30b708e9413d71a2c95558d0f1
SHA1

a4a67a7b6c53e47f9a741e06c701e03382dc548f
SHA256

3ae1c3fbf851e0de9865191b00b5fc26be32eb4f2ccb81b47e1488c2805402ae
SHA512

b1e4e9e263add6c6d9f7309d739375725f7c4afd645caebea903f7b8963c0ac8d2728dee3edd999f8496b100ba8bd5fd7e5c3c4c17ca0bbcd24923c0cb270415
SSDEEP

384:zFE2o6I2uTFKX342X5xzumltM//yaGPzUo7o5F8:zFES1uTE4W7zwmPzt7o5F8

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
536	1924	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 2068 wrote to memory of 1924	2068	rundll32.exe	30
PID 2068 wrote to memory of 1924	2068	rundll32.exe	30
PID 2068 wrote to memory of 1924	2068	rundll32.exe	30
PID 2068 wrote to memory of 1924	2068	rundll32.exe	30
PID 2068 wrote to memory of 1924	2068	rundll32.exe	30
PID 2068 wrote to memory of 1924	2068	rundll32.exe	30
PID 2068 wrote to memory of 1924	2068	rundll32.exe	30
PID 1924 wrote to memory of 536	1924	rundll32.exe	31
PID 1924 wrote to memory of 536	1924	rundll32.exe	31
PID 1924 wrote to memory of 536	1924	rundll32.exe	31
PID 1924 wrote to memory of 536	1924	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 224
    3⤵
    - Program crash
    PID:536

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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