8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 21:07

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General

Target

AimAssist.exe
Size

839KB
MD5

9232f68810b230913f7b46b2db02d8a1
SHA1

afece387cdf0f80acf98f57589234b584a8e13c4
SHA256

8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e
SHA512

8169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488
SSDEEP

24576:SxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+r2:GP4auS+UjfU2T2dIbt+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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	AimAssist.exe

Executes dropped EXE 1 IoCs

pid	Process
2504	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

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

Drops file in Windows directory 3 IoCs

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

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2504	AudioDriver.exe
2504	AudioDriver.exe
2504	AudioDriver.exe
2504	AudioDriver.exe
2504	AudioDriver.exe
2504	AudioDriver.exe
2504	AudioDriver.exe
2504	AudioDriver.exe
2504	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	AudioDriver.exe
Token: 33	4800	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4800	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2504	AudioDriver.exe
2504	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2504	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 2504	3352	AimAssist.exe	83
PID 3352 wrote to memory of 2504	3352	AimAssist.exe	83
PID 3352 wrote to memory of 2504	3352	AimAssist.exe	83

C:\Users\Admin\AppData\Local\Temp\AimAssist.exe
"C:\Users\Admin\AppData\Local\Temp\AimAssist.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:3352
- 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:2504

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2c0 0x4f0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4800

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
839KB

MD5
9232f68810b230913f7b46b2db02d8a1

SHA1
afece387cdf0f80acf98f57589234b584a8e13c4

SHA256
8e2de94aa59d77bb4ba00b39e5b4dddf69321a558975388c666f51084339a03e

SHA512
8169ccfd632b590040335c5b59db1a9a50d477795c4e00c49ba3b846e3d2cdc839e3cc2e3f2ebc8450d8f9bced96e596d11cd74cf5a789d29ba49476364f5488

Download Submit
memory/2504-20-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2504-18-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2504-23-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2504-24-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2504-25-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2504-26-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2504-27-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/2504-28-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3352-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3352-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3352-19-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/3352-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

Filesize
4KB

Download