Analysis
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max time kernel
107s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 08:31
Static task
static1
Behavioral task
behavioral1
Sample
z1PurchaseOrder.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
z1PurchaseOrder.exe
Resource
win10v2004-20240802-en
General
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Target
z1PurchaseOrder.exe
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Size
1.2MB
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MD5
3ebef42f57673d6b260644654522b053
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SHA1
b63d68467a9be1260af9685b71eb8b54680e85d6
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SHA256
7ffba279d6f47ed76230be9dc7baae15b923dc09ba48f738d01e9beab32e9a58
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SHA512
72d25c34f67f5a291855c1602a8293dfbe02544605703630908f7a087a0eddbba1e31c8566e87c59b5b50863bcd5f5b0803d04d362c9716efda16984fbdee7d5
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SSDEEP
24576:ffmMv6Ckr7Mny5QLhVzGODNZaxNZ7fA+oED:f3v+7/5QLhVKAKtAtED
Malware Config
Extracted
vipkeylogger
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 17 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
z1PurchaseOrder.exedescription pid process target process PID 2176 set thread context of 1916 2176 z1PurchaseOrder.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
z1PurchaseOrder.exeRegSvcs.exez1PurchaseOrder.exez1PurchaseOrder.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language z1PurchaseOrder.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language z1PurchaseOrder.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language z1PurchaseOrder.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 1916 RegSvcs.exe 1916 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
z1PurchaseOrder.exez1PurchaseOrder.exez1PurchaseOrder.exepid process 1640 z1PurchaseOrder.exe 3520 z1PurchaseOrder.exe 2176 z1PurchaseOrder.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1916 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
z1PurchaseOrder.exez1PurchaseOrder.exez1PurchaseOrder.exedescription pid process target process PID 1640 wrote to memory of 1984 1640 z1PurchaseOrder.exe RegSvcs.exe PID 1640 wrote to memory of 1984 1640 z1PurchaseOrder.exe RegSvcs.exe PID 1640 wrote to memory of 1984 1640 z1PurchaseOrder.exe RegSvcs.exe PID 1640 wrote to memory of 3520 1640 z1PurchaseOrder.exe z1PurchaseOrder.exe PID 1640 wrote to memory of 3520 1640 z1PurchaseOrder.exe z1PurchaseOrder.exe PID 1640 wrote to memory of 3520 1640 z1PurchaseOrder.exe z1PurchaseOrder.exe PID 3520 wrote to memory of 4448 3520 z1PurchaseOrder.exe RegSvcs.exe PID 3520 wrote to memory of 4448 3520 z1PurchaseOrder.exe RegSvcs.exe PID 3520 wrote to memory of 4448 3520 z1PurchaseOrder.exe RegSvcs.exe PID 3520 wrote to memory of 2176 3520 z1PurchaseOrder.exe z1PurchaseOrder.exe PID 3520 wrote to memory of 2176 3520 z1PurchaseOrder.exe z1PurchaseOrder.exe PID 3520 wrote to memory of 2176 3520 z1PurchaseOrder.exe z1PurchaseOrder.exe PID 2176 wrote to memory of 1916 2176 z1PurchaseOrder.exe RegSvcs.exe PID 2176 wrote to memory of 1916 2176 z1PurchaseOrder.exe RegSvcs.exe PID 2176 wrote to memory of 1916 2176 z1PurchaseOrder.exe RegSvcs.exe PID 2176 wrote to memory of 1916 2176 z1PurchaseOrder.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"2⤵PID:1984
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C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"3⤵PID:4448
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C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2176 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\z1PurchaseOrder.exe"4⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1916
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e