f3236fae24f32d877138dd8d42b5553499d1d382b74ebf70846de1a14bcb21a9

Analysis

max time kernel
142s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 14:16

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General

Target

f3236fae24f32d877138dd8d42b5553499d1d382b74ebf70846de1a14bcb21a9.dll
Size

5.7MB
MD5

a4adb5129ea27cf6918a23607f52db6e
SHA1

51797cb36933a8cf720e1d50d1fee94730df6162
SHA256

f3236fae24f32d877138dd8d42b5553499d1d382b74ebf70846de1a14bcb21a9
SHA512

0544c4b12c602ee6771c311fa1d0768f18dbe513d40ba67955ea0c0f0dca1e166b4eef74d0d51191c51e9eeeef72e50aa8fdf9721c21684226baecaee001d57d
SSDEEP

98304:RNiB7iKI19QQbVDVlBiZhcchgGgjUGNvz+sUiIC07Jo9M/wqDhq8U:iB7b0JVSc/GC79asUiIPu9MYM

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2560 1624 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2560	1624	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2456 wrote to memory of 1624	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 1624	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 1624	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 1624	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 1624	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 1624	2456	rundll32.exe	rundll32.exe
PID 2456 wrote to memory of 1624	2456	rundll32.exe	rundll32.exe
PID 1624 wrote to memory of 2560	1624	rundll32.exe	WerFault.exe
PID 1624 wrote to memory of 2560	1624	rundll32.exe	WerFault.exe
PID 1624 wrote to memory of 2560	1624	rundll32.exe	WerFault.exe
PID 1624 wrote to memory of 2560	1624	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3236fae24f32d877138dd8d42b5553499d1d382b74ebf70846de1a14bcb21a9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3236fae24f32d877138dd8d42b5553499d1d382b74ebf70846de1a14bcb21a9.dll,#1
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of WriteProcessMemory
  PID:1624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 260
    3⤵
    - Program crash
    PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1624-0-0x00000000020A0000-0x0000000002649000-memory.dmp

Filesize
5.7MB

Download
memory/1624-1-0x00000000020A0000-0x0000000002649000-memory.dmp

Filesize
5.7MB

Download