bd083908769384e739c3d73c8e70199e05713f4e523c427fa95d3130eeae7577

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 03:08

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General

Target

Setup.exe
Size

839KB
MD5

ac2ac0c5fd81fe3aaa4edd9313e72741
SHA1

75589469b96cb2e1a355d7230e1d4422033adaf9
SHA256

bd083908769384e739c3d73c8e70199e05713f4e523c427fa95d3130eeae7577
SHA512

51a0bf3ad766b129971149f2cf8f0351d9f3980a5d2840093d315fe2791b7132d5ca1ad934096f8e63f05246d1caf8b153888abef045076a43e249bd4d8aeb8c
SSDEEP

24576:jxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+rZ:FP4auS+UjfU2T2dIbt+r

Score

7^/10

discovery

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Setup.exe

Executes dropped EXE 1 IoCs

pid	Process
4824	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	Setup.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	Setup.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	Setup.exe
File created	C:\Windows\assembly\Desktop.ini	Setup.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	Setup.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4824	AudioDriver.exe
4824	AudioDriver.exe
4824	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4824	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4824	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4824	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4824	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 4824	2428	Setup.exe	82
PID 2428 wrote to memory of 4824	2428	Setup.exe	82
PID 2428 wrote to memory of 4824	2428	Setup.exe	82

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4824

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
839KB

MD5
ac2ac0c5fd81fe3aaa4edd9313e72741

SHA1
75589469b96cb2e1a355d7230e1d4422033adaf9

SHA256
bd083908769384e739c3d73c8e70199e05713f4e523c427fa95d3130eeae7577

SHA512
51a0bf3ad766b129971149f2cf8f0351d9f3980a5d2840093d315fe2791b7132d5ca1ad934096f8e63f05246d1caf8b153888abef045076a43e249bd4d8aeb8c

Download Submit
memory/2428-0-0x0000000074182000-0x0000000074183000-memory.dmp

Filesize
4KB

Download
memory/2428-1-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download
memory/2428-2-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download
memory/2428-19-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download
memory/4824-18-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download
memory/4824-20-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download
memory/4824-21-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download
memory/4824-24-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download
memory/4824-27-0x0000000074180000-0x0000000074731000-memory.dmp

Filesize
5.7MB

Download