Analysis
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max time kernel
150s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 10:37
Static task
static1
Behavioral task
behavioral1
Sample
bpaymentcopy.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bpaymentcopy.exe
Resource
win10v2004-20241007-en
General
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Target
bpaymentcopy.exe
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Size
765KB
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MD5
5205be9a501dae770c6e557b5fdaeebc
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SHA1
a8a34796e05ac4ff1a0b92bdbbaedc01e8cedfa5
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SHA256
aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331
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SHA512
e7177c8f6562363751dedf374195ed0c59ba478530ba58e2428a62ba40fbae73c9dc9f55cdf8890779a9a848c53d6fedd7bdb9658e995df7331d8eea6a05170d
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SSDEEP
12288:LXNrylgwbJqMBSlxaZmvB008Jz1vakTLAJnElBaSP6XQ2lfix4phRDiaZEAmD:MgwkMYxcmUzgkTL2FSPd2ExQhJ
Malware Config
Extracted
Protocol: smtp- Host:
mail.britishcrowncourt.net - Port:
587 - Username:
[email protected] - Password:
@Hustle007ky1
Signatures
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Hawkeye family
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Detected Nirsoft tools 10 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2736-7-0x0000000000400000-0x0000000000494000-memory.dmp Nirsoft behavioral1/memory/2736-11-0x0000000000400000-0x0000000000494000-memory.dmp Nirsoft behavioral1/memory/2736-6-0x0000000000400000-0x0000000000494000-memory.dmp Nirsoft behavioral1/memory/2736-16-0x0000000000400000-0x0000000000494000-memory.dmp Nirsoft behavioral1/memory/2736-13-0x0000000000400000-0x0000000000494000-memory.dmp Nirsoft behavioral1/memory/2312-55-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2312-56-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2312-58-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1472-60-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1472-59-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2736-7-0x0000000000400000-0x0000000000494000-memory.dmp MailPassView behavioral1/memory/2736-11-0x0000000000400000-0x0000000000494000-memory.dmp MailPassView behavioral1/memory/2736-6-0x0000000000400000-0x0000000000494000-memory.dmp MailPassView behavioral1/memory/2736-16-0x0000000000400000-0x0000000000494000-memory.dmp MailPassView behavioral1/memory/2736-13-0x0000000000400000-0x0000000000494000-memory.dmp MailPassView behavioral1/memory/2312-55-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2312-56-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2312-58-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 7 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2736-7-0x0000000000400000-0x0000000000494000-memory.dmp WebBrowserPassView behavioral1/memory/2736-11-0x0000000000400000-0x0000000000494000-memory.dmp WebBrowserPassView behavioral1/memory/2736-6-0x0000000000400000-0x0000000000494000-memory.dmp WebBrowserPassView behavioral1/memory/2736-16-0x0000000000400000-0x0000000000494000-memory.dmp WebBrowserPassView behavioral1/memory/2736-13-0x0000000000400000-0x0000000000494000-memory.dmp WebBrowserPassView behavioral1/memory/1472-60-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1472-59-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Executes dropped EXE 3 IoCs
pid Process 2744 Windows Update.exe 1048 Windows Update.exe 2948 Windows Update.exe -
Loads dropped DLL 3 IoCs
pid Process 2736 bpaymentcopy.exe 2744 Windows Update.exe 2744 Windows Update.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Windows Update.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3012 set thread context of 2736 3012 bpaymentcopy.exe 32 PID 2744 set thread context of 1048 2744 Windows Update.exe 35 PID 1048 set thread context of 2312 1048 Windows Update.exe 37 PID 1048 set thread context of 1472 1048 Windows Update.exe 38 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2880 1472 WerFault.exe 38 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 bpaymentcopy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bpaymentcopy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows Update.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows Update.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3012 bpaymentcopy.exe 3012 bpaymentcopy.exe 3012 bpaymentcopy.exe 3012 bpaymentcopy.exe 2744 Windows Update.exe 2744 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe 1048 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3012 bpaymentcopy.exe Token: SeDebugPrivilege 2744 Windows Update.exe Token: SeDebugPrivilege 1048 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1048 Windows Update.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3012 wrote to memory of 2784 3012 bpaymentcopy.exe 30 PID 3012 wrote to memory of 2784 3012 bpaymentcopy.exe 30 PID 3012 wrote to memory of 2784 3012 bpaymentcopy.exe 30 PID 3012 wrote to memory of 2784 3012 bpaymentcopy.exe 30 PID 3012 wrote to memory of 2800 3012 bpaymentcopy.exe 31 PID 3012 wrote to memory of 2800 3012 bpaymentcopy.exe 31 PID 3012 wrote to memory of 2800 3012 bpaymentcopy.exe 31 PID 3012 wrote to memory of 2800 3012 bpaymentcopy.exe 31 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 3012 wrote to memory of 2736 3012 bpaymentcopy.exe 32 PID 2736 wrote to memory of 2744 2736 bpaymentcopy.exe 33 PID 2736 wrote to memory of 2744 2736 bpaymentcopy.exe 33 PID 2736 wrote to memory of 2744 2736 bpaymentcopy.exe 33 PID 2736 wrote to memory of 2744 2736 bpaymentcopy.exe 33 PID 2736 wrote to memory of 2744 2736 bpaymentcopy.exe 33 PID 2736 wrote to memory of 2744 2736 bpaymentcopy.exe 33 PID 2736 wrote to memory of 2744 2736 bpaymentcopy.exe 33 PID 2744 wrote to memory of 2948 2744 Windows Update.exe 34 PID 2744 wrote to memory of 2948 2744 Windows Update.exe 34 PID 2744 wrote to memory of 2948 2744 Windows Update.exe 34 PID 2744 wrote to memory of 2948 2744 Windows Update.exe 34 PID 2744 wrote to memory of 2948 2744 Windows Update.exe 34 PID 2744 wrote to memory of 2948 2744 Windows Update.exe 34 PID 2744 wrote to memory of 2948 2744 Windows Update.exe 34 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 2744 wrote to memory of 1048 2744 Windows Update.exe 35 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 2312 1048 Windows Update.exe 37 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1048 wrote to memory of 1472 1048 Windows Update.exe 38 PID 1472 wrote to memory of 2880 1472 vbc.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"2⤵PID:2784
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C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"2⤵PID:2800
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C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"C:\Users\Admin\AppData\Local\Temp\bpaymentcopy.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
PID:2948
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C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2312
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1806⤵
- Program crash
PID:2880
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
50B
MD58f1f55a9e2fa4fc9931e78a47d81f0e1
SHA142d4baf7941041b6dcfb9888b32506abe4f63f51
SHA25663a16e0b3871144e34e91db7c8f44b4f70c47aa1d48e1ec956e0d5451c72b3f3
SHA5129a1426c3a77d93e9d068c27b3b8a5a8616eb91f0f457b6a2ab4652f24618f162c3d26b3b53af2cd827d11382f51b57444783b5040e0ad1db62f5ecf2df57de12
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Filesize
765KB
MD55205be9a501dae770c6e557b5fdaeebc
SHA1a8a34796e05ac4ff1a0b92bdbbaedc01e8cedfa5
SHA256aca540b3ad20e1fd49ec550107eff0c164990de1067a9542daf615465f82c331
SHA512e7177c8f6562363751dedf374195ed0c59ba478530ba58e2428a62ba40fbae73c9dc9f55cdf8890779a9a848c53d6fedd7bdb9658e995df7331d8eea6a05170d