cd8d77b27aa47b0f15754182cda7440a5ba4d266ed94df56865da3e1cc8aa389

Analysis

max time kernel
120s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 20:46

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General

Target

11d5bb2ef9188b3ef699e17d0572a531.exe
Size

873KB
MD5

11d5bb2ef9188b3ef699e17d0572a531
SHA1

bd92128fc5fcf88741d6040cfb204c0a30ef15e8
SHA256

cd8d77b27aa47b0f15754182cda7440a5ba4d266ed94df56865da3e1cc8aa389
SHA512

7d1dbb0762a9633103832f712e524a0cee2634c3572b405307418cc98a8bac0eb48226c9569645ba5170ffd792aa8fecb9b41ba40a79ba5513c46ee8109f93ee
SSDEEP

24576:n33f6iBcSgv6QpC6pvQcHeIFTpQuUmAHoEz:nf6YcS01vQgVdcFz

Score

7^/10

discovery

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 3 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	11d5bb2ef9188b3ef699e17d0572a531.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	11d5bb2ef9188b3ef699e17d0572a531.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	11d5bb2ef9188b3ef699e17d0572a531.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	11d5bb2ef9188b3ef699e17d0572a531.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	11d5bb2ef9188b3ef699e17d0572a531.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	11d5bb2ef9188b3ef699e17d0572a531.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	11d5bb2ef9188b3ef699e17d0572a531.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4696 set thread context of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30

Program crash 2 IoCs

pid	pid_target	Process	procid_target
384	1552	WerFault.exe	30
740	1552	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1552	11d5bb2ef9188b3ef699e17d0572a531.exe
1552	11d5bb2ef9188b3ef699e17d0572a531.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1552	11d5bb2ef9188b3ef699e17d0572a531.exe
1552	11d5bb2ef9188b3ef699e17d0572a531.exe
1552	11d5bb2ef9188b3ef699e17d0572a531.exe
1552	11d5bb2ef9188b3ef699e17d0572a531.exe
1552	11d5bb2ef9188b3ef699e17d0572a531.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30
PID 4696 wrote to memory of 1552	4696	11d5bb2ef9188b3ef699e17d0572a531.exe	30

C:\Users\Admin\AppData\Local\Temp\11d5bb2ef9188b3ef699e17d0572a531.exe
"C:\Users\Admin\AppData\Local\Temp\11d5bb2ef9188b3ef699e17d0572a531.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Users\Admin\AppData\Local\Temp\11d5bb2ef9188b3ef699e17d0572a531.exe
  "C:\Users\Admin\AppData\Local\Temp\11d5bb2ef9188b3ef699e17d0572a531.exe" Track=""
  2⤵
  - Checks BIOS information in registry
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 2016
    3⤵
    - Program crash
    PID:384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 2296
    3⤵
    - Program crash
    PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1552 -ip 1552
1⤵
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1552 -ip 1552
1⤵
PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1552-2-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1552-6-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1552-1-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1552-8-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1552-0-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1552-18-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1552-20-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download
memory/1552-34-0x0000000000400000-0x00000000005BC000-memory.dmp

Filesize
1.7MB

Download