ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8

General

Target

ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe
Size

845KB
MD5

830c9c0d7adb6ec30cdda116b4d53f10
SHA1

7e3235dd828895d6c90e702d49e0da1c3bb648cc
SHA256

ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8
SHA512

7d6c7cdd320408f8f0a213193003874e9ef7c998410bd1948e4f1d04bd083ab68933554960e91073c8e9c51e8cbee72adc479ea49ace65cb2baa3898c13499c9
SSDEEP

24576:q2S04YNEMuExDiU6E5R9s8xY/2l/dl9Ibt+ra:qS4auS+UjfU2Tl9Ibt+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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe

Executes dropped EXE 1 IoCs

pid	Process
4660	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe
File created	C:\Windows\assembly\Desktop.ini	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.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	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe
4660	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4660	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 4660	3204	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe	82
PID 3204 wrote to memory of 4660	3204	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe	82
PID 3204 wrote to memory of 4660	3204	ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe	82

C:\Users\Admin\AppData\Local\Temp\ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.exe
"C:\Users\Admin\AppData\Local\Temp\ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8N.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:3204
- 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
  PID:4660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
845KB

MD5
830c9c0d7adb6ec30cdda116b4d53f10

SHA1
7e3235dd828895d6c90e702d49e0da1c3bb648cc

SHA256
ffb67c9cc04c69da2ba5390f2e9514ce725033bcc256a7c69679a30cdcbd69b8

SHA512
7d6c7cdd320408f8f0a213193003874e9ef7c998410bd1948e4f1d04bd083ab68933554960e91073c8e9c51e8cbee72adc479ea49ace65cb2baa3898c13499c9

Download Submit
memory/3204-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

Filesize
4KB

Download
memory/3204-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3204-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/3204-18-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/4660-19-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/4660-20-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/4660-21-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/4660-22-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/4660-23-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/4660-24-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download

Analysis

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