61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11

Analysis

max time kernel
91s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 13:14

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General

Target

61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe
Size

649KB
MD5

4c5f945a9607a469f31193cd5cbb42b0
SHA1

80155d85fdee6df4c9b83539b984006dcb58a3da
SHA256

61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11
SHA512

2c6dd1d4d7f328c836cbcf92b2e0ecadff32a8b84e8d906a2d57e7d89fccbde1e164f7d132768cdd7eb55c2a8fac9afdbe64ab2e917a851800f8ffe9f96db7b1
SSDEEP

12288:Eqn6tCTkXzDrdB8brlrBq6eukOnE85aqbMBYhzaTS0Y:pmCT+NqVrKOE85aqbMuBOS0Y

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
628	4912	WerFault.exe	82
1872	1400	WerFault.exe	86
2168	2940	WerFault.exe	87

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe
4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe

Suspicious use of UnmapMainImage 3 IoCs

pid	Process
4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe
1400	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe
2940	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 1400	4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe	86
PID 4912 wrote to memory of 1400	4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe	86
PID 4912 wrote to memory of 1400	4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe	86
PID 4912 wrote to memory of 2940	4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe	87
PID 4912 wrote to memory of 2940	4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe	87
PID 4912 wrote to memory of 2940	4912	61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe	87

C:\Users\Admin\AppData\Local\Temp\61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe
"C:\Users\Admin\AppData\Local\Temp\61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 560
  2⤵
  - Program crash
  PID:628
- C:\Users\Admin\AppData\Local\Temp\61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe
  start
  2⤵
  - Checks BIOS information in registry
  - Enumerates system info in registry
  - Suspicious use of UnmapMainImage
  PID:1400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 560
    3⤵
    - Program crash
    PID:1872
- C:\Users\Admin\AppData\Local\Temp\61d1c4db63899c152fd9dcd350173c457c7537e98190418ee49a04a05ed80b11.exe
  watch
  2⤵
  - Suspicious use of UnmapMainImage
  PID:2940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 564
    3⤵
    - Program crash
    PID:2168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1400 -ip 1400
1⤵
PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2940 -ip 2940
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v6

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/1400-137-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/1400-139-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/2940-138-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/2940-140-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/4912-132-0x00000000021F0000-0x000000000220F000-memory.dmp

Filesize
124KB

Download
memory/4912-133-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/4912-136-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download