Analysis
- max time kernel
4265098s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
15/01/2022, 09:16
Static task
static1
Behavioral task
behavioral1
Sample
receipt_ups.js
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
receipt_ups.js
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target receipt_ups.js
- Size 21KB
- Sample220115-k8gr5adeg7
- SHA256 2b83134f50ad679ab13f2f9cd9f92407cec2d50cac1a76fbf4d5982f2349da68
- MD5 3cb72fb2eecf9208f62bb98cf027fec0
- SHA1 8922e85a7f7931db9f1e26dc335668e9c2b7cde7
- SHA512 a25efc05b34464df63f282b841bdff9a0e8feafc0ff70d0c3de2f6576c7c0d1a2d40e5db15dc6335fb3de8c9441791f8acf2f0b88f3780c129daef80eaa532c3
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Blocklisted process makes network request 32 IoCs
flow pid Process 22 560 wscript.exe 23 2480 wscript.exe 34 560 wscript.exe 35 2480 wscript.exe 40 560 wscript.exe 44 2480 wscript.exe 51 560 wscript.exe 52 2480 wscript.exe 55 560 wscript.exe 56 2480 wscript.exe 59 560 wscript.exe 60 2480 wscript.exe 63 560 wscript.exe 67 2480 wscript.exe 69 560 wscript.exe 70 2480 wscript.exe 71 560 wscript.exe 72 2480 wscript.exe 73 560 wscript.exe 74 2480 wscript.exe 75 560 wscript.exe 76 2480 wscript.exe 77 560 wscript.exe 78 2480 wscript.exe 79 560 wscript.exe 80 2480 wscript.exe 81 560 wscript.exe 82 2480 wscript.exe 83 560 wscript.exe 84 2480 wscript.exe 85 560 wscript.exe 86 2480 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-1-5-21-790714498-1549421491-1643397139-1000\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\EfFpKZlPoI.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EfFpKZlPoI.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\receipt_ups.js wscript.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\EfFpKZlPoI.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows\CurrentVersion\Run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RV7KJCEOJC = "\"C:\\Users\\Admin\\AppData\\Roaming\\receipt_ups.js\"" wscript.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotification.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotification.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3292 schtasks.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 4004 MusNotification.exe Token: SeCreatePagefilePrivilege 4004 MusNotification.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 560 wrote to memory of 2480 560 wscript.exe 53 PID 560 wrote to memory of 2480 560 wscript.exe 53 PID 560 wrote to memory of 3292 560 wscript.exe 54 PID 560 wrote to memory of 3292 560 wscript.exe 54
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\receipt_ups.js1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\EfFpKZlPoI.js"2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2480
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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\AppData\Roaming\receipt_ups.js2⤵
- Creates scheduled task(s)
PID:3292
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C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:4004