Analysis
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max time kernel
120s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
12/10/2023, 13:16
Static task
static1
Behavioral task
behavioral1
Sample
Open Invoices.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Open Invoices.exe
Resource
win10v2004-20230915-en
General
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Target
Open Invoices.exe
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Size
638KB
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MD5
3cf50c15d2c08abbcfcc58ee94ae75fd
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SHA1
a170cfc66096715badfbce43cc0a3c18d5fd6d28
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SHA256
f7a062cbdd22f2bd346f704ba3d4e1ca864ec525a4fa96ac2be1991faeeb5690
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SHA512
0f90ba0ab8ef780a65286a335a9121c9eb5e8d88f6322bcf671b0cb44d954c1c1b9c268df4a754840e0866704f9e9ba467faa4133f0dbb92f0360a8cc903b254
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SSDEEP
12288:gvoYmDHvCRKUletwzaDOPObzFhHvOj8nahu8nPQ5USkPlTAbCsLCmLB:gvobXUleqW7FhHvaTkuPQNYTAbbLhLB
Malware Config
Signatures
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2372 set thread context of 2576 2372 Open Invoices.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2884 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2776 powershell.exe 2576 Open Invoices.exe 2576 Open Invoices.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 2576 Open Invoices.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2372 wrote to memory of 2776 2372 Open Invoices.exe 30 PID 2372 wrote to memory of 2776 2372 Open Invoices.exe 30 PID 2372 wrote to memory of 2776 2372 Open Invoices.exe 30 PID 2372 wrote to memory of 2776 2372 Open Invoices.exe 30 PID 2372 wrote to memory of 2884 2372 Open Invoices.exe 33 PID 2372 wrote to memory of 2884 2372 Open Invoices.exe 33 PID 2372 wrote to memory of 2884 2372 Open Invoices.exe 33 PID 2372 wrote to memory of 2884 2372 Open Invoices.exe 33 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34 PID 2372 wrote to memory of 2576 2372 Open Invoices.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\Open Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Open Invoices.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dYlKXmBLyq.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dYlKXmBLyq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF3A2.tmp"2⤵
- Creates scheduled task(s)
PID:2884
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C:\Users\Admin\AppData\Local\Temp\Open Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Open Invoices.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2576
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5000f1db59b41abdb1ef8f9a9c9897a32
SHA1bf8bb412900c288a7b9cbb8739a759060de95449
SHA256aed8b5066a9ffabec28e1fd5f34d6bc2247639e59bd58c71fdab6dd63ca46d27
SHA512ed6b71a39043f689f170dd2b99154ecc41e5506cb1e8dd10630efdada5aa8881c72b48829476726d12ecc013d5c54aaa9953d818d899c7a78e7593ef1400605a