b9cb28a2e7341eea9732633f9e55457ad813d9005ab7bf5dcd9118f753d46695

Analysis

max time kernel
137s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 22:44

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General

Target

05fb06b0103396b818d0849c09b37021.exe
Size

677KB
MD5

05fb06b0103396b818d0849c09b37021
SHA1

80820493bca87ea1e6ed9e9f12906fa00244b073
SHA256

b9cb28a2e7341eea9732633f9e55457ad813d9005ab7bf5dcd9118f753d46695
SHA512

6051ebaa81743f72c47c51223d4edd314401358f35503fb66f31f4120e329a12f36994bf60d33c3bec0252a4af642a6b0b900f930c242ab757ce872b0309795d
SSDEEP

12288:a9vd0aaxLeAod/tYe+ElXMYM0oCl8YW6t26x/et0:a9vd0DLtelaYtOkfl

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	05fb06b0103396b818d0849c09b37021.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	05fb06b0103396b818d0849c09b37021.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	05fb06b0103396b818d0849c09b37021.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	05fb06b0103396b818d0849c09b37021.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	05fb06b0103396b818d0849c09b37021.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	05fb06b0103396b818d0849c09b37021.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	05fb06b0103396b818d0849c09b37021.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1268	2696	WerFault.exe	91
3624	2696	WerFault.exe	91

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2696	05fb06b0103396b818d0849c09b37021.exe
2696	05fb06b0103396b818d0849c09b37021.exe
2696	05fb06b0103396b818d0849c09b37021.exe
2696	05fb06b0103396b818d0849c09b37021.exe
2696	05fb06b0103396b818d0849c09b37021.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91
PID 4828 wrote to memory of 2696	4828	05fb06b0103396b818d0849c09b37021.exe	91

C:\Users\Admin\AppData\Local\Temp\05fb06b0103396b818d0849c09b37021.exe
"C:\Users\Admin\AppData\Local\Temp\05fb06b0103396b818d0849c09b37021.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Users\Admin\AppData\Local\Temp\05fb06b0103396b818d0849c09b37021.exe
  "C:\Users\Admin\AppData\Local\Temp\05fb06b0103396b818d0849c09b37021.exe" Track="0001001000"
  2⤵
  - Checks BIOS information in registry
  - Maps connected drives based on registry
  - Suspicious use of SetWindowsHookEx
  PID:2696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 2036
    3⤵
    - Program crash
    PID:1268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 1968
    3⤵
    - Program crash
    PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2696 -ip 2696
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2696 -ip 2696
1⤵
PID:2156

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/2696-1-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2696-2-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2696-3-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2696-4-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2696-5-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2696-6-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2696-7-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download
memory/2696-8-0x0000000000400000-0x00000000004FF000-memory.dmp

Filesize
1020KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads