ad2526deb219d4c2707553763eb672e5839b685434e2970c93bfe6551d43e18a

Analysis

max time kernel
81s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 10:34

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General

Target

0835d81542acc50b9579f99eca83a64d.exe
Size

430KB
MD5

0835d81542acc50b9579f99eca83a64d
SHA1

fc30d49e99f4be296d0feac5ef25bd3967b8161f
SHA256

ad2526deb219d4c2707553763eb672e5839b685434e2970c93bfe6551d43e18a
SHA512

f6f602009ddbd2b65ac69d6a05dd47167f96076f2cfcd3c87cd0951169be483bbda1848aa719a2f23c6de708e649665c5a5b0227edd71c4c5acfc4562efa1e63
SSDEEP

12288:ibee0PGl89WazvzkmMxM+ltxQMAn0Iv1b70ZSf2R:2edGBazvZMHltxtIv1bUS+R

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation	0835d81542acc50b9579f99eca83a64d.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Winder.lnk	0835d81542acc50b9579f99eca83a64d.exe

Adds Run key to start application 2 TTPs 1 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\0835d81542acc50b9579f99eca83a64d.exe = "C:\\System32\\0835d81542acc50b9579f99eca83a64d.exe"	0835d81542acc50b9579f99eca83a64d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000_Classes\Local Settings	0835d81542acc50b9579f99eca83a64d.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1308	0835d81542acc50b9579f99eca83a64d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1308	0835d81542acc50b9579f99eca83a64d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1308	0835d81542acc50b9579f99eca83a64d.exe
1308	0835d81542acc50b9579f99eca83a64d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 3836	1308	0835d81542acc50b9579f99eca83a64d.exe	91
PID 1308 wrote to memory of 3836	1308	0835d81542acc50b9579f99eca83a64d.exe	91
PID 1308 wrote to memory of 3836	1308	0835d81542acc50b9579f99eca83a64d.exe	91
PID 1308 wrote to memory of 2320	1308	0835d81542acc50b9579f99eca83a64d.exe	92
PID 1308 wrote to memory of 2320	1308	0835d81542acc50b9579f99eca83a64d.exe	92
PID 1308 wrote to memory of 2320	1308	0835d81542acc50b9579f99eca83a64d.exe	92

C:\Users\Admin\AppData\Local\Temp\0835d81542acc50b9579f99eca83a64d.exe
"C:\Users\Admin\AppData\Local\Temp\0835d81542acc50b9579f99eca83a64d.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS1.vbs"
  2⤵
  PID:3836
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS1.vbs"
  2⤵
  PID:2320

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\VBS1.vbs

Filesize
653B

MD5
cfb5a7a975ee090d9736850ddc3b03a7

SHA1
55d71f8280c9aeb276f2172a3c4fa2f3d2f39def

SHA256
599d0992f59d367afe406f79f194d5c13f299d9037c10eb23637dc4b4749f07e

SHA512
673d66c44cdfa1f899a6c360a46679c15cb11f65feb728559dc982163fa655029b5267d06f6cd2c8c3034598002d188e0367eb6631fc26b704136f9a8347c239

Download Submit
memory/1308-0-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/1308-1-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/1308-14-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download