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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
19/01/2024, 15:31
Static task
static1
Behavioral task
behavioral1
Sample
67fbad40453a19402d1989cfd18c769c.js
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
67fbad40453a19402d1989cfd18c769c.js
Resource
win10v2004-20231215-en
General
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Target
67fbad40453a19402d1989cfd18c769c.js
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Size
31KB
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MD5
67fbad40453a19402d1989cfd18c769c
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SHA1
a6a7980d2200573fa05bd4d00b3bd73445fad99a
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SHA256
9e08b5396987899e20119e6baa726653c3e03c85772e5f07a71b586338d6e110
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SHA512
0df4845e96ca72aa227f11215fc7a340eab5dc687954d86d963e5ef3149a7991582b0626aa5657773e7a15ce0898a71b411726eb6ee585a53aa71b301c58472d
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SSDEEP
768:M4h4XJXAT93bYgqpUbUGguXjEVwGRIwo3lq0+eOhX:o5wxEgqpUbPgvV5s+eiX
Malware Config
Signatures
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Blocklisted process makes network request 7 IoCs
flow pid Process 5 3040 wscript.exe 9 3040 wscript.exe 12 3040 wscript.exe 15 3040 wscript.exe 18 3040 wscript.exe 21 3040 wscript.exe 26 3040 wscript.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\67fbad40453a19402d1989cfd18c769c.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\67fbad40453a19402d1989cfd18c769c.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uLBxnntOnW.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uLBxnntOnW.js wscript.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\uLBxnntOnW.js\"" wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3040 wrote to memory of 2184 3040 wscript.exe 28 PID 3040 wrote to memory of 2184 3040 wscript.exe 28 PID 3040 wrote to memory of 2184 3040 wscript.exe 28
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\67fbad40453a19402d1989cfd18c769c.js1⤵
- Blocklisted process makes network request
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\uLBxnntOnW.js"2⤵
- Drops startup file
- Adds Run key to start application
PID:2184
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD54384461e0d76c05ce635c8ec2e462501
SHA1c060bc7c9661dc6d43abae5cd3a2ff966cc7716c
SHA256be21d9aba93c26c4c40c177e7fd3ce5c6b99f89a5e797a9cf030b3e25faa9ac5
SHA512313ef13aff7176a92e30b5362db402c7f531558b6820c3dd805d6e5f10186b0ddd94c18b835462727c0e9690b096c8ea8fc87ad262e116b30ac83ea9dee9ae62