87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2

Analysis

max time kernel
91s
max time network
139s
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, 13:51

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General

Target

87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe
Size

645KB
MD5

1edb5b5dc20e15f7bc71477a676f6750
SHA1

d54e310a74fd27350d996de5cb5fc1cb6a5e171d
SHA256

87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2
SHA512

54ca90376117befac611f5f00d27e6763eccbf3d5d9b5507795e2eb8ac1bbaec094e74a8ec1043b9889fc8777c1660f213ebca8794ccd805bf0371c2fa648ec1
SSDEEP

12288:s/vRF7BP0jii2YBLSNcQ/F9Xvf2gXLP0RQg:6AiirhIcYf706g

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	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
3056	3188	WerFault.exe	80
952	404	WerFault.exe	88
896	2100	WerFault.exe	89

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\	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe
3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe

Suspicious use of UnmapMainImage 3 IoCs

pid	Process
3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe
404	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe
2100	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 404	3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe	88
PID 3188 wrote to memory of 404	3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe	88
PID 3188 wrote to memory of 404	3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe	88
PID 3188 wrote to memory of 2100	3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe	89
PID 3188 wrote to memory of 2100	3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe	89
PID 3188 wrote to memory of 2100	3188	87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe	89

C:\Users\Admin\AppData\Local\Temp\87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe
"C:\Users\Admin\AppData\Local\Temp\87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 468
  2⤵
  - Program crash
  PID:3056
- C:\Users\Admin\AppData\Local\Temp\87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe
  start
  2⤵
  - Checks BIOS information in registry
  - Enumerates system info in registry
  - Suspicious use of UnmapMainImage
  PID:404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 560
    3⤵
    - Program crash
    PID:952
- C:\Users\Admin\AppData\Local\Temp\87db9597feb8c92bd8720fb8b8a3ed164b54f624238302d5624c465ac0cbe2b2.exe
  watch
  2⤵
  - Suspicious use of UnmapMainImage
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 560
    3⤵
    - Program crash
    PID:896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3188 -ip 3188
1⤵
PID:2204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 404 -ip 404
1⤵
PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2100 -ip 2100
1⤵
PID:380

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/404-137-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/404-139-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2100-138-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2100-140-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/3188-132-0x0000000000760000-0x000000000077F000-memory.dmp

Filesize
124KB

Download
memory/3188-133-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/3188-136-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download