3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250

General

Target

3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe
Size

839KB
MD5

6c2c7289dcf4dcf70d81c993d72f26c4
SHA1

7687da2f87042f6f8ef5c79d8ed9beca1fe478e7
SHA256

3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250
SHA512

61195ac5e3da8f5ab807ae0ba698e96f65b8e879afa83b5b67786516d008f34505ff4fc8a3704103f61a287a597943fedab03b836463db222155a3348fdc63f6
SSDEEP

24576:TpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rP:TL4auS+UjfU2TmdIbt+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	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe

Executes dropped EXE 1 IoCs

pid	Process
3492	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
8	2.tcp.eu.ngrok.io
39	2.tcp.eu.ngrok.io
53	2.tcp.eu.ngrok.io

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe
File created	C:\Windows\assembly\Desktop.ini	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.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	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe
3492	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3492	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3492	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3492	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 3492	4268	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe	82
PID 4268 wrote to memory of 3492	4268	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe	82
PID 4268 wrote to memory of 3492	4268	3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe	82

C:\Users\Admin\AppData\Local\Temp\3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.exe
"C:\Users\Admin\AppData\Local\Temp\3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250.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:4268
- 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:3492

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

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
839KB

MD5
6c2c7289dcf4dcf70d81c993d72f26c4

SHA1
7687da2f87042f6f8ef5c79d8ed9beca1fe478e7

SHA256
3e29e55b700385d78279334c5831aa5553e007df0c3b1b78a20543b80714d250

SHA512
61195ac5e3da8f5ab807ae0ba698e96f65b8e879afa83b5b67786516d008f34505ff4fc8a3704103f61a287a597943fedab03b836463db222155a3348fdc63f6

Download Submit
memory/3492-19-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3492-20-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3492-21-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/3492-22-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/4268-0-0x00000000747F2000-0x00000000747F3000-memory.dmp

Filesize
4KB

Download
memory/4268-1-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/4268-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/4268-18-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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