05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a

General

Target

05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe
Size

1.1MB
MD5

ff84e9b0121d920da65d6b346b33cacf
SHA1

1108481b08eebac7f8e2846eac0c82b4f5c293c0
SHA256

05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a
SHA512

4eef7798649eb3df04823455707d980be57ef6f0de549b09ce6523916a8054032b7cdedbb47de9d1294978dd7a69ff1987ab6bfd84467501987fe52ce8715b76
SSDEEP

24576:6SS04YNEMuExDiU6E5R9s8xY/2l/d5eIbt+rR58cq8x0y:6O4auS+UjfU2T5eIbt+rP8cq8

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe

Executes dropped EXE 1 IoCs

pid	Process
3896	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe
File created	C:\Windows\assembly\Desktop.ini	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe
File opened for modification	C:\Windows\assembly	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe
3896	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3896	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 3896	4004	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe	82
PID 4004 wrote to memory of 3896	4004	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe	82
PID 4004 wrote to memory of 3896	4004	05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe	82

C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe
"C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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:4004
- 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:3896

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

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Downloads

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

Filesize
1.1MB

MD5
ff84e9b0121d920da65d6b346b33cacf

SHA1
1108481b08eebac7f8e2846eac0c82b4f5c293c0

SHA256
05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a

SHA512
4eef7798649eb3df04823455707d980be57ef6f0de549b09ce6523916a8054032b7cdedbb47de9d1294978dd7a69ff1987ab6bfd84467501987fe52ce8715b76

Download Submit
memory/3896-20-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/3896-21-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/3896-18-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/3896-22-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/3896-23-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4004-0-0x0000000074852000-0x0000000074853000-memory.dmp

Filesize
4KB

Download
memory/4004-1-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4004-2-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4004-19-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download

Analysis

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