8563c8a2b17aa37ca8739f005d109fd532cd6f56e25f6d216fbfe3c497eb5a22

Analysis

max time kernel
116s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 02:07

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General

Target

23ea20fb1a031015b134b4c69e6d772e.exe
Size

1.5MB
MD5

23ea20fb1a031015b134b4c69e6d772e
SHA1

474b0bf20ddb80ee7966c83ddb60d2f63bd503ac
SHA256

8563c8a2b17aa37ca8739f005d109fd532cd6f56e25f6d216fbfe3c497eb5a22
SHA512

fccef94ca33b2a37b4bd163203bcb5fac179c11ce2ff12e7123b2adb3768fadb8fbdabe06c92502521e70c811d38592dceade405baa435658cbb6e922554027d
SSDEEP

24576:XkGQp66snFPOOAr4cHX10m0NTzSOqb6u/Yd72ftPLCQmO5F8SSm8uYVdEbK:XkJspwZHXWm0NT7g6rdyftTCQmOvxYCK

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 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	23ea20fb1a031015b134b4c69e6d772e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	23ea20fb1a031015b134b4c69e6d772e.exe

Maps connected drives based on registry 3 TTPs 2 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	23ea20fb1a031015b134b4c69e6d772e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	23ea20fb1a031015b134b4c69e6d772e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3516 set thread context of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5084	4388	WerFault.exe	89
4352	4388	WerFault.exe	89

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4388	23ea20fb1a031015b134b4c69e6d772e.exe
4388	23ea20fb1a031015b134b4c69e6d772e.exe
4388	23ea20fb1a031015b134b4c69e6d772e.exe
4388	23ea20fb1a031015b134b4c69e6d772e.exe
4388	23ea20fb1a031015b134b4c69e6d772e.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89
PID 3516 wrote to memory of 4388	3516	23ea20fb1a031015b134b4c69e6d772e.exe	89

C:\Users\Admin\AppData\Local\Temp\23ea20fb1a031015b134b4c69e6d772e.exe
"C:\Users\Admin\AppData\Local\Temp\23ea20fb1a031015b134b4c69e6d772e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\23ea20fb1a031015b134b4c69e6d772e.exe
  "C:\Users\Admin\AppData\Local\Temp\23ea20fb1a031015b134b4c69e6d772e.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 2012
    3⤵
    - Program crash
    PID:5084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 2060
    3⤵
    - Program crash
    PID:4352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4388 -ip 4388
1⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4388 -ip 4388
1⤵
PID:2588

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/3516-0-0x0000000000400000-0x0000000000582000-memory.dmp

Filesize
1.5MB

Download
memory/4388-1-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4388-2-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4388-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4388-4-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4388-5-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4388-6-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4388-7-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4388-8-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads