3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a

Analysis

max time kernel
91s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2022 00:47

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General

Target

3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe
Size

633KB
MD5

67463fb2dd074a58a726efe00ed0e7c0
SHA1

7064fefb302fe28a62d96342c82a6965337eaf80
SHA256

3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a
SHA512

028eb4b53a8bc4a354c485777dd6040c86ebcc65ee5c3fe3b14db672e2f7a9c5b4704017387d31a04ea5302c62954629f8dcc5a57a5b17768df5dbe24c835004
SSDEEP

12288:aYol9Ur2VG15fbXfcw7a6CpwviBcURtQ1dysTN5DdTxbJ17cKIChUTaSmp73K:pobCV15jXfz7a1p/qsGK

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	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1760	1528	WerFault.exe	81
3464	3656	WerFault.exe	88
4012	3528	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\	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe
1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe

Suspicious use of UnmapMainImage 3 IoCs

pid	Process
1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe
3528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe
3656	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 3528	1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe	87
PID 1528 wrote to memory of 3528	1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe	87
PID 1528 wrote to memory of 3528	1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe	87
PID 1528 wrote to memory of 3656	1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe	88
PID 1528 wrote to memory of 3656	1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe	88
PID 1528 wrote to memory of 3656	1528	3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe	88

C:\Users\Admin\AppData\Local\Temp\3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe
"C:\Users\Admin\AppData\Local\Temp\3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 556
  2⤵
  - Program crash
  PID:1760
- C:\Users\Admin\AppData\Local\Temp\3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe
  start
  2⤵
  - Checks BIOS information in registry
  - Enumerates system info in registry
  - Suspicious use of UnmapMainImage
  PID:3528
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3528 -s 472
    3⤵
    - Program crash
    PID:4012
- C:\Users\Admin\AppData\Local\Temp\3a57ee5ef9717835e9330755396065613767ae83b02d8f533f21f6d9925d8f3a.exe
  watch
  2⤵
  - Suspicious use of UnmapMainImage
  PID:3656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 572
    3⤵
    - Program crash
    PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1528 -ip 1528
1⤵
PID:612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3528 -ip 3528
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3656 -ip 3656
1⤵
PID:4628

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

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Downloads

memory/1528-132-0x0000000000600000-0x000000000061F000-memory.dmp

Filesize
124KB

Download
memory/1528-133-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/1528-136-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/3528-137-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/3528-139-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/3656-138-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/3656-140-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download