2a275530c6719d265dd24aae70404b200fc834534dfd7167c9b610cc14185f28

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 23:07

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General

Target

ed.exe
Size

843KB
MD5

54c07df940628fefe1ceb70f50b26140
SHA1

7490a824e13ed9ea04a2cfac22041588c65734fa
SHA256

2a275530c6719d265dd24aae70404b200fc834534dfd7167c9b610cc14185f28
SHA512

cce288e804cb9104547f716f1a6662b500bea10249d448c98385dd3fef44f2528f4068dfcd580eb6e2c6316874f2d978260c852ae834b99afd3ab8777e0bd6a9
SSDEEP

24576:uZS04YNEMuExDiU6E5R9s8xY/2l/dLeIbt+rI:ub4auS+UjfU2TLeIbt+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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	ed.exe

Executes dropped EXE 1 IoCs

pid	Process
5052	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

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

Drops file in Windows directory 3 IoCs

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5052	AudioDriver.exe
5052	AudioDriver.exe
5052	AudioDriver.exe
5052	AudioDriver.exe
5052	AudioDriver.exe
5052	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5052	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
5052	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 5052	620	ed.exe	86
PID 620 wrote to memory of 5052	620	ed.exe	86
PID 620 wrote to memory of 5052	620	ed.exe	86

C:\Users\Admin\AppData\Local\Temp\ed.exe
"C:\Users\Admin\AppData\Local\Temp\ed.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:620
- 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:5052

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

Replay Monitor

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Downloads

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

Filesize
843KB

MD5
54c07df940628fefe1ceb70f50b26140

SHA1
7490a824e13ed9ea04a2cfac22041588c65734fa

SHA256
2a275530c6719d265dd24aae70404b200fc834534dfd7167c9b610cc14185f28

SHA512
cce288e804cb9104547f716f1a6662b500bea10249d448c98385dd3fef44f2528f4068dfcd580eb6e2c6316874f2d978260c852ae834b99afd3ab8777e0bd6a9

Download Submit
memory/620-0-0x0000000074E32000-0x0000000074E33000-memory.dmp

Filesize
4KB

Download
memory/620-1-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/620-2-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/620-19-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/5052-18-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/5052-20-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/5052-23-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/5052-24-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download