Analysis
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max time kernel
16s -
max time network
3s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-09-2024 08:22
Static task
static1
Behavioral task
behavioral1
Sample
invoice_2318362983713_823931342io.pdf.exe
Resource
win11-20240802-en
General
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Target
invoice_2318362983713_823931342io.pdf.exe
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Size
247KB
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MD5
ea039a854d20d7734c5add48f1a51c34
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SHA1
9615dca4c0e46b8a39de5428af7db060399230b2
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SHA256
69e966e730557fde8fd84317cdef1ece00a8bb3470c0b58f3231e170168af169
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SHA512
6718e54a59b91537c41ac913f9d8d6ad97b08cf6a61a4d174458738579a33471ef357173fd9eb4d4c9652ed2bf86c41f6da3cdd20fd7af643cd9f5ee6c9e30d5
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SSDEEP
6144:Tz/LBBTHT+7oEf2ZstxQMSGToLoOhD2saLsW8fsmFBkObjD:PLBdy7FpQMlToThD+sW8fsmP7bj
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1672 cmd.exe -
Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 85.114.128.127 Destination IP 85.114.128.127 Destination IP 85.114.128.127 Destination IP 85.114.128.127 Destination IP 85.114.128.127 Destination IP 85.114.128.127 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Update = "\"C:\\Users\\Admin\\AppData\\Local\\Google\\Desktop\\Install\\{edb12f3a-fe75-0c67-7447-1f56848def8a}\\❤≸⋙\\Ⱒ☠⍨\\\u202eﯹ๛\\{edb12f3a-fe75-0c67-7447-1f56848def8a}\\GoogleUpdate.exe\" >" invoice_2318362983713_823931342io.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 608 set thread context of 1672 608 invoice_2318362983713_823931342io.pdf.exe 79 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language invoice_2318362983713_823931342io.pdf.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 608 invoice_2318362983713_823931342io.pdf.exe 608 invoice_2318362983713_823931342io.pdf.exe 608 invoice_2318362983713_823931342io.pdf.exe 608 invoice_2318362983713_823931342io.pdf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3304 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 608 invoice_2318362983713_823931342io.pdf.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeRestorePrivilege 608 invoice_2318362983713_823931342io.pdf.exe Token: SeDebugPrivilege 608 invoice_2318362983713_823931342io.pdf.exe Token: SeDebugPrivilege 608 invoice_2318362983713_823931342io.pdf.exe Token: SeShutdownPrivilege 3304 Process not Found Token: SeCreatePagefilePrivilege 3304 Process not Found Token: SeShutdownPrivilege 3304 Process not Found Token: SeCreatePagefilePrivilege 3304 Process not Found -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3304 Process not Found 3304 Process not Found -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 608 wrote to memory of 1672 608 invoice_2318362983713_823931342io.pdf.exe 79 PID 608 wrote to memory of 1672 608 invoice_2318362983713_823931342io.pdf.exe 79 PID 608 wrote to memory of 1672 608 invoice_2318362983713_823931342io.pdf.exe 79 PID 608 wrote to memory of 1672 608 invoice_2318362983713_823931342io.pdf.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\invoice_2318362983713_823931342io.pdf.exe"C:\Users\Admin\AppData\Local\Temp\invoice_2318362983713_823931342io.pdf.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:608 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Deletes itself
PID:1672
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