60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 16:44

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General

Target

example.exe
Size

839KB
MD5

351808659677be354200ca26e9b63f5a
SHA1

a147a31f13d21ff0bf0eca9c8dcf20b7cab5e363
SHA256

60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead
SHA512

c8bcb1278652b76e4825cb4ede51f59790469f17c37b9b75f31c3208d2570c287e9e2dcf17ebd2f406927c558490860bd30b214949a276d66492d6142e125dc8
SSDEEP

24576:UBS04YNEMuExDiU6E5R9s8xY/2l/dGtnIbt+ri:Uj4auS+UjfU2TGdIbt+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

Processes:

example.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	example.exe

Executes dropped EXE 1 IoCs

Processes:

AudioDriver.exe

pid	Process
3280	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

example.exe

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

Drops file in Windows directory 3 IoCs

Processes:

example.exe

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

Processes:

example.exeAudioDriver.exe

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

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

AudioDriver.exe

pid	Process
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe
3280	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AudioDriver.exe

description	pid	Process
Token: SeDebugPrivilege	3280	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AudioDriver.exe

pid	Process
3280	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

AudioDriver.exe

pid	Process
3280	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

example.exe

description	pid	Process	procid_target
PID 2440 wrote to memory of 3280	2440	example.exe	82
PID 2440 wrote to memory of 3280	2440	example.exe	82
PID 2440 wrote to memory of 3280	2440	example.exe	82

C:\Users\Admin\AppData\Local\Temp\example.exe
"C:\Users\Admin\AppData\Local\Temp\example.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:2440
- 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
  PID:3280

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
351808659677be354200ca26e9b63f5a

SHA1
a147a31f13d21ff0bf0eca9c8dcf20b7cab5e363

SHA256
60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead

SHA512
c8bcb1278652b76e4825cb4ede51f59790469f17c37b9b75f31c3208d2570c287e9e2dcf17ebd2f406927c558490860bd30b214949a276d66492d6142e125dc8

Download Submit
memory/2440-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

Filesize
4KB

Download
memory/2440-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2440-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2440-18-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3280-19-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3280-20-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3280-21-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download