cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716

General

Target

cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
Size

839KB
MD5

de58c31b9def12ce05e8c5cbda187d6c
SHA1

c400683bd6a1664b7e205ce41e154287b03e0cc3
SHA256

cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716
SHA512

893e6876a76fa0506742278994955da675dc378413f45f127d3a69e8f316589b1ca8e52a9a9a6d70397d205373f7bad6da66da341d6a5084a53dd6b36893ab8a
SSDEEP

24576:hFS04YNEMuExDiU6E5R9s8xY/2l/dVt1Ibt+rj:h34auS+UjfU2TVrIbt+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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe

Executes dropped EXE 1 IoCs

pid	Process
1656	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
File created	C:\Windows\assembly\Desktop.ini	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.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	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe
1656	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 1656	3996	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe	83
PID 3996 wrote to memory of 1656	3996	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe	83
PID 3996 wrote to memory of 1656	3996	cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe	83

C:\Users\Admin\AppData\Local\Temp\cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.exe
"C:\Users\Admin\AppData\Local\Temp\cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716.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:3996
- 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:1656

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
839KB

MD5
de58c31b9def12ce05e8c5cbda187d6c

SHA1
c400683bd6a1664b7e205ce41e154287b03e0cc3

SHA256
cc3aa8fb8c383974017a1db1beab680f7414319d232a52dc4fdfaf563617e716

SHA512
893e6876a76fa0506742278994955da675dc378413f45f127d3a69e8f316589b1ca8e52a9a9a6d70397d205373f7bad6da66da341d6a5084a53dd6b36893ab8a

Download Submit
memory/1656-19-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1656-20-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1656-21-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1656-22-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3996-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

Filesize
4KB

Download
memory/3996-1-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3996-2-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3996-18-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download

Analysis

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