Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-10-2024 06:28
Behavioral task
behavioral1
Sample
Confirmation.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Confirmation.exe
Resource
win10v2004-20241007-en
General
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Target
Confirmation.exe
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Size
1.0MB
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MD5
c1770203c545b2bcfe82cb117b398a5f
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SHA1
4dc20a479217c8f93764e46a4475bda162b3e4ba
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SHA256
e0febedda6f3a66c50558d4ed1fc267fc2dcfcb1f828ea30793ad5189df5e093
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SHA512
e93b2c552a3b423f6d06136ccef9aee2b66fefb24424049996c193cb157d1a204ca11555be5fb8450d915ea4ae0c7c96ccd8c98a9e9fe5c56d9369ff396d02df
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SSDEEP
24576:O3msSKhttyzWFKhIX6QKyerEGP/imH9rtqTWpvHLXo2:ezFht7pKTpEkZdrta2D1
Malware Config
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/2376-10-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2376-9-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2376-3-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/2620-20-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2620-18-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2620-23-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2620-28-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1548-31-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1548-30-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1548-38-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 7 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2376-10-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2376-9-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2376-3-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/2620-20-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2620-18-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2620-23-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2620-28-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2376-10-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2376-9-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/2376-3-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1548-31-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1548-30-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1548-38-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Executes dropped EXE 2 IoCs
pid Process 1964 toxexgzudyjp.exe 468 toxexgzudyjp.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-1-5-21-3063565911-2056067323-3330884624-1000\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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" RegAsm.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 whatismyipaddress.com 4 whatismyipaddress.com 6 whatismyipaddress.com -
AutoIT Executable 17 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/1708-21-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-26-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-39-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-40-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-41-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-42-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1964-46-0x00000000002F0000-0x00000000004D9000-memory.dmp autoit_exe behavioral1/memory/1708-47-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-48-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-50-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-51-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/468-54-0x00000000008D0000-0x0000000000AB9000-memory.dmp autoit_exe behavioral1/memory/468-55-0x00000000008D0000-0x0000000000AB9000-memory.dmp autoit_exe behavioral1/memory/1708-53-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-56-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-57-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe behavioral1/memory/1708-58-0x00000000013B0000-0x0000000001599000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1708 set thread context of 2376 1708 Confirmation.exe 30 PID 2376 set thread context of 2620 2376 RegAsm.exe 34 PID 2376 set thread context of 1548 2376 RegAsm.exe 36 -
resource yara_rule behavioral1/memory/1708-0-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-21-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-26-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-39-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-40-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-41-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-42-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/files/0x0008000000015697-43.dat upx behavioral1/memory/1964-45-0x00000000002F0000-0x00000000004D9000-memory.dmp upx behavioral1/memory/1964-46-0x00000000002F0000-0x00000000004D9000-memory.dmp upx behavioral1/memory/1708-47-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-48-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-50-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-51-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/468-54-0x00000000008D0000-0x0000000000AB9000-memory.dmp upx behavioral1/memory/468-55-0x00000000008D0000-0x0000000000AB9000-memory.dmp upx behavioral1/memory/1708-53-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-56-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-57-0x00000000013B0000-0x0000000001599000-memory.dmp upx behavioral1/memory/1708-58-0x00000000013B0000-0x0000000001599000-memory.dmp upx -
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 7 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 toxexgzudyjp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Confirmation.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language toxexgzudyjp.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1956 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe 1708 Confirmation.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2376 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2376 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 2376 1708 Confirmation.exe 30 PID 1708 wrote to memory of 1956 1708 Confirmation.exe 31 PID 1708 wrote to memory of 1956 1708 Confirmation.exe 31 PID 1708 wrote to memory of 1956 1708 Confirmation.exe 31 PID 1708 wrote to memory of 1956 1708 Confirmation.exe 31 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 2620 2376 RegAsm.exe 34 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 2376 wrote to memory of 1548 2376 RegAsm.exe 36 PID 760 wrote to memory of 1964 760 taskeng.exe 38 PID 760 wrote to memory of 1964 760 taskeng.exe 38 PID 760 wrote to memory of 1964 760 taskeng.exe 38 PID 760 wrote to memory of 1964 760 taskeng.exe 38 PID 760 wrote to memory of 468 760 taskeng.exe 39 PID 760 wrote to memory of 468 760 taskeng.exe 39 PID 760 wrote to memory of 468 760 taskeng.exe 39 PID 760 wrote to memory of 468 760 taskeng.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\Confirmation.exe"C:\Users\Admin\AppData\Local\Temp\Confirmation.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2376 -
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"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2620
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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"3⤵
- System Location Discovery: System Language Discovery
PID:1548
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn 6177796F64776774676C6361 /tr "C:\Users\Admin\tvjmiwcczlcg\toxexgzudyjp.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1956
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C:\Windows\system32\taskeng.exetaskeng.exe {95C0C767-F9D0-4672-BFEF-B0BD646370ED} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Users\Admin\tvjmiwcczlcg\toxexgzudyjp.exeC:\Users\Admin\tvjmiwcczlcg\toxexgzudyjp.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1964
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C:\Users\Admin\tvjmiwcczlcg\toxexgzudyjp.exeC:\Users\Admin\tvjmiwcczlcg\toxexgzudyjp.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:468
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
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
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1.0MB
MD5c1770203c545b2bcfe82cb117b398a5f
SHA14dc20a479217c8f93764e46a4475bda162b3e4ba
SHA256e0febedda6f3a66c50558d4ed1fc267fc2dcfcb1f828ea30793ad5189df5e093
SHA512e93b2c552a3b423f6d06136ccef9aee2b66fefb24424049996c193cb157d1a204ca11555be5fb8450d915ea4ae0c7c96ccd8c98a9e9fe5c56d9369ff396d02df