8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 01:51

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General

Target

8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe
Size

78KB
MD5

112215cb97b5f3c64c402c63b9b50e7d
SHA1

38b7bdfb722c6d55acadcdc3ef50fd53ea9e8293
SHA256

8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903
SHA512

0274a80f3a8471954eefe54b8d28e243a0c626e84c7384ebc4bb7026b244f3c163d49c81c88c28161d56ec5f3fde533bc704be844aca4920e56c609ddaadd544
SSDEEP

1536:abSshapMJgKJUuxGmfJPtOgqm1s/XZSWcH4:K25KJFjfJPtOgqm2/XZXR

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3536	winlgon.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3584	3536	WerFault.exe	82
3232	1996	WerFault.exe	81

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1996	8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe
3536	winlgon.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 3536	1996	8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe	82
PID 1996 wrote to memory of 3536	1996	8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe	82
PID 1996 wrote to memory of 3536	1996	8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe	82

C:\Users\Admin\AppData\Local\Temp\8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe
"C:\Users\Admin\AppData\Local\Temp\8db7aa846a4a55d92495da7bd4750e74245bc8e919aef72053e3d1e8314c1903.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- \??\c:\users\admin\appdata\local\temp\winlgon.exe
  c:\users\admin\appdata\local\temp\winlgon.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 692
    3⤵
    - Program crash
    PID:3584
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 592
  2⤵
  - Program crash
  PID:3232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3536 -ip 3536
1⤵
PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1996 -ip 1996
1⤵
PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\winlgon.exe

Filesize
78KB

MD5
ad1728cea2d0a2020fece287d61ad949

SHA1
88507e0f09e071aca1c36b1c240ed3452f429588

SHA256
eab141cbc45b16e85dd9bebb979c90498a4c1cb11875a202f298d842411a2317

SHA512
7f3d189fcdba9bddfe97d91221b55b70c01cac1e5306e34239f6f9a7959f1deaf05c590429d02d0d2b51e88051647bbdbb16ca6c3e6e54ffabe73112df82c79b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads