f5684bd7650410f5a6f80d9885f68521cdf814124979bfc5a39b5b30a7010188

Analysis

max time kernel
65s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/11/2024, 00:59

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General

Target
$PLUGINSDIR/BaseConvert.dll
Size 48KB
Sample241108-bb663stqhr
SHA256 14a4c7d96d87cb23038d688e80919d727f0cdb3b51859115f14c0af3248f109c
MD5 d0419b6814f1b8e12b7b70616fedd0c7
SHA1 ef5fcbc2fa3623be8cf82def59a696bf946777ec
SHA512 d95cf9e3ef07154c83d26d9c57e3d7096f9cd8700aadf72c2e6b33264e46cd6314e072e9f11529431d484d4856f64c611b07c7bbd2bdb197ff593743a1ce1a34
SSDEEP 768:An+ebJ0jVhJRQxvxrcE4GdB0MTLg2wnqP3vjFIQ8UocokiB9l6HUbtJZ5oi//phM:rVJRywE8MTLg2FIooNwkHLo5
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2888	2792	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 1680 wrote to memory of 2792	1680	rundll32.exe	30
PID 1680 wrote to memory of 2792	1680	rundll32.exe	30
PID 1680 wrote to memory of 2792	1680	rundll32.exe	30
PID 1680 wrote to memory of 2792	1680	rundll32.exe	30
PID 1680 wrote to memory of 2792	1680	rundll32.exe	30
PID 1680 wrote to memory of 2792	1680	rundll32.exe	30
PID 1680 wrote to memory of 2792	1680	rundll32.exe	30
PID 2792 wrote to memory of 2888	2792	rundll32.exe	31
PID 2792 wrote to memory of 2888	2792	rundll32.exe	31
PID 2792 wrote to memory of 2888	2792	rundll32.exe	31
PID 2792 wrote to memory of 2888	2792	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BaseConvert.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BaseConvert.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 228
    3⤵
    - Program crash
    PID:2888

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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