9df3185347ef7d85e2252dbb233369bd1183bf969e65413d07867cb6975509ab

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 15:21

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General

Target

WinToolkit.exe
Size

17.1MB
MD5

86e3765bd385c07ee8130bcc8818b0f7
SHA1

3132600be547a702097dbd92d852c0e2d9893086
SHA256

9df3185347ef7d85e2252dbb233369bd1183bf969e65413d07867cb6975509ab
SHA512

ebca9fc505e6357349c92e971fcc55a2e3db2fac1abe0bac22a7d296e10957f9c28cef2c76841dc8ef8bd2bf497bec144df6284cb2c8628d738b3627670ae1e0
SSDEEP

393216:Rn2R47DAB2HsdCjoZO/0Va7yMDudoP65kL2FA3CBcTeN4fKp0bm1QHSxsjO9Iva3:Rn2R47DAB2HsdCjoZO/0Va7yMDudoP6X

Score

7^/10

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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	WinToolkit.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\WA.ico	WinToolkit.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\WinToolkit_Temp\Files\Imagex.exe	WinToolkit.exe

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wa\DefaultIcon	WinToolkit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wa	WinToolkit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.wa\DefaultIcon\ = "C:\\Windows\\System32\\WA.ico,0"	WinToolkit.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2064	regedit.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2616	WinToolkit.exe
2616	WinToolkit.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	WinToolkit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2616	WinToolkit.exe
2616	WinToolkit.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2616	WinToolkit.exe
2616	WinToolkit.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2064	2616	WinToolkit.exe	85
PID 2616 wrote to memory of 2064	2616	WinToolkit.exe	85

C:\Users\Admin\AppData\Local\Temp\WinToolkit.exe
"C:\Users\Admin\AppData\Local\Temp\WinToolkit.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\regedit.exe
  "C:\Windows\regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\\cert.reg"
  2⤵
  - Runs .reg file with regedit
  PID:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\cert.reg

Filesize
7KB

MD5
1e841f473f5ae2fd69fe63b97313e546

SHA1
66a48acec7eae0387f09686c4bdcd6f6dcc447b5

SHA256
8bc6102c6eacb53b9e57cb3a73246635fa25b7c6d32dc59439beb2d2240b44f9

SHA512
02018267a6289326c4d44a60cc38b66c94fdbdb35142a461810f0f61374947a503d9495cbdfa44af0a20c234bd388f5bca835d3dc2bde6994e83914b28d6484c

Download Submit
memory/2616-0-0x00007FFFEC2A3000-0x00007FFFEC2A5000-memory.dmp

Filesize
8KB

Download
memory/2616-1-0x0000029710910000-0x0000029711A24000-memory.dmp

Filesize
17.1MB

Download
memory/2616-2-0x00007FFFEC2A0000-0x00007FFFECD61000-memory.dmp

Filesize
10.8MB

Download
memory/2616-7-0x00007FFFEC2A0000-0x00007FFFECD61000-memory.dmp

Filesize
10.8MB

Download
memory/2616-8-0x00007FFFEC2A0000-0x00007FFFECD61000-memory.dmp

Filesize
10.8MB

Download
memory/2616-9-0x00007FFFEC2A0000-0x00007FFFECD61000-memory.dmp

Filesize
10.8MB

Download
memory/2616-11-0x00007FFFEC2A0000-0x00007FFFECD61000-memory.dmp

Filesize
10.8MB

Download
memory/2616-12-0x00007FFFEC2A0000-0x00007FFFECD61000-memory.dmp

Filesize
10.8MB

Download