Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2022, 08:03
Static task
static1
Behavioral task
behavioral1
Sample
eReceipt.js
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
eReceipt.js
Resource
win10v2004-20220812-en
General
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Target
eReceipt.js
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Size
29KB
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MD5
0968b3aa878bf1d8b9b785d76651178e
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SHA1
1bec2812a133e8af946847045f4ef22cb8c0b444
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SHA256
90e88a55046ff7bc2ea11a44bcbda591639c29de30f5274a44f951b0359b2f2e
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SHA512
4f27e335ca640bd06d581dbb827d91d3e6e401078d10dfc6e4852ae2e8a622b5c7c549206520b3e43a1ca116e9c9309d8c26e9d1e28310793e71825a56c43394
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SSDEEP
768:d+GpRxXOewzfBp94XUK0ITIW4NXY2lfgcPk0JK:n5UBnNo2lfg8XK
Malware Config
Extracted
vjw0rm
http://zeegod.duckdns.org:9004
Signatures
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Blocklisted process makes network request 7 IoCs
flow pid Process 3 4908 wscript.exe 5 4668 wscript.exe 22 4908 wscript.exe 35 4908 wscript.exe 38 4908 wscript.exe 41 4908 wscript.exe 42 4908 wscript.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IjKIytFPkg.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IjKIytFPkg.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eReceipt.js wscript.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KYXNMD0WI5 = "\"C:\\Users\\Admin\\eReceipt.js\"" wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1328 schtasks.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4668 wrote to memory of 4908 4668 wscript.exe 82 PID 4668 wrote to memory of 4908 4668 wscript.exe 82 PID 4668 wrote to memory of 1328 4668 wscript.exe 83 PID 4668 wrote to memory of 1328 4668 wscript.exe 83
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\eReceipt.js1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\IjKIytFPkg.js"2⤵
- Blocklisted process makes network request
- Drops startup file
PID:4908
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\eReceipt.js2⤵
- Creates scheduled task(s)
PID:1328
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
10KB
MD5ef0483773297fed332856b0c51c77ec5
SHA10215fef393a219df1a8263cfd89b3de50328327c
SHA25626742501b9958757e1003e4b8b43a3df7e698cbb30c0339e59b62edeea24f231
SHA5121aee96ac181e5246c74d0a11e4a248617388c70de0c62302a853f9a11f2a5f1480a7898d7a6b7f8ca4dfbe0afde80129edafc39dfb64e48686a5be0f824f7998