Analysis Overview
SHA256
deaf6d25727a36f23af6d2f63ef493ef2d595f300b2c970de34ab7726fd5e82c
Threat Level: Known bad
The file 11226310429.zip was found to be: Known bad.
Malicious Activity Summary
HawkEye
NirSoft MailPassView
Looks for VirtualBox Guest Additions in registry
NirSoft WebBrowserPassView
Nirsoft
Looks for VMWare Tools registry key
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Deletes itself
Checks BIOS information in registry
Accesses Microsoft Outlook accounts
Looks up external IP address via web service
Maps connected drives based on registry
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-19 15:54
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-19 15:54
Reported
2023-07-19 15:57
Platform
win7-20230712-en
Max time kernel
120s
Max time network
123s
Command Line
Signatures
HawkEye
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Nirsoft
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Uses the VBS compiler for execution
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | whatismyipaddress.com | N/A | N/A |
| N/A | whatismyipaddress.com | N/A | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2896 set thread context of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe | C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe |
| PID 1700 set thread context of 2132 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Users\Admin\AppData\Roaming\Windows Update.exe |
| PID 2132 set thread context of 3040 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2132 set thread context of 1932 | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Windows Update.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe
"C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe"
C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe
"{path}"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
C:\Users\Admin\AppData\Roaming\Windows Update.exe
"{path}"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | whatismyipaddress.com | udp |
| US | 104.16.154.36:80 | whatismyipaddress.com | tcp |
| US | 104.16.154.36:443 | whatismyipaddress.com | tcp |
| US | 8.8.8.8:53 | ftp.lucd.ru | udp |
| RO | 91.235.116.232:21 | ftp.lucd.ru | tcp |
| RO | 91.235.116.232:64259 | ftp.lucd.ru | tcp |
Files
memory/2896-53-0x00000000013B0000-0x00000000014D6000-memory.dmp
memory/2896-54-0x0000000073F70000-0x000000007465E000-memory.dmp
memory/2896-55-0x0000000004D20000-0x0000000004D60000-memory.dmp
memory/2896-56-0x0000000073F70000-0x000000007465E000-memory.dmp
memory/2896-57-0x0000000004D20000-0x0000000004D60000-memory.dmp
memory/2896-58-0x0000000000270000-0x0000000000284000-memory.dmp
memory/2896-59-0x00000000057E0000-0x000000000589E000-memory.dmp
memory/2896-60-0x0000000005C30000-0x0000000005CC6000-memory.dmp
memory/2884-61-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2884-64-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2884-62-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2884-63-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2884-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2884-67-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2896-69-0x0000000073F70000-0x000000007465E000-memory.dmp
memory/2884-70-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2884-72-0x0000000000400000-0x0000000000488000-memory.dmp
memory/2884-73-0x0000000073EF0000-0x00000000745DE000-memory.dmp
memory/2884-74-0x00000000049C0000-0x0000000004A00000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 5f70076ed14782ab9f56406f51ebff84 |
| SHA1 | 7284b05c8696ef47f0a1d73210bbf282cea776f6 |
| SHA256 | 55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650 |
| SHA512 | 21255c3f74fb15a867aeda7d49fee662cd49e8e1da6bd45ec3681255d0132459df28111e83289c2e4b121cc58883ca6dca8553e1dd8158a9e3cb376a7f2271a6 |
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 5f70076ed14782ab9f56406f51ebff84 |
| SHA1 | 7284b05c8696ef47f0a1d73210bbf282cea776f6 |
| SHA256 | 55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650 |
| SHA512 | 21255c3f74fb15a867aeda7d49fee662cd49e8e1da6bd45ec3681255d0132459df28111e83289c2e4b121cc58883ca6dca8553e1dd8158a9e3cb376a7f2271a6 |
memory/2884-83-0x0000000073EF0000-0x00000000745DE000-memory.dmp
memory/1700-84-0x0000000000B80000-0x0000000000CA6000-memory.dmp
memory/1700-85-0x0000000073EF0000-0x00000000745DE000-memory.dmp
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 5f70076ed14782ab9f56406f51ebff84 |
| SHA1 | 7284b05c8696ef47f0a1d73210bbf282cea776f6 |
| SHA256 | 55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650 |
| SHA512 | 21255c3f74fb15a867aeda7d49fee662cd49e8e1da6bd45ec3681255d0132459df28111e83289c2e4b121cc58883ca6dca8553e1dd8158a9e3cb376a7f2271a6 |
memory/1700-86-0x0000000002190000-0x00000000021D0000-memory.dmp
memory/1700-87-0x0000000073EF0000-0x00000000745DE000-memory.dmp
memory/1700-88-0x0000000002190000-0x00000000021D0000-memory.dmp
memory/1700-89-0x0000000000370000-0x0000000000384000-memory.dmp
\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 5f70076ed14782ab9f56406f51ebff84 |
| SHA1 | 7284b05c8696ef47f0a1d73210bbf282cea776f6 |
| SHA256 | 55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650 |
| SHA512 | 21255c3f74fb15a867aeda7d49fee662cd49e8e1da6bd45ec3681255d0132459df28111e83289c2e4b121cc58883ca6dca8553e1dd8158a9e3cb376a7f2271a6 |
memory/2132-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
C:\Users\Admin\AppData\Roaming\Windows Update.exe
| MD5 | 5f70076ed14782ab9f56406f51ebff84 |
| SHA1 | 7284b05c8696ef47f0a1d73210bbf282cea776f6 |
| SHA256 | 55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650 |
| SHA512 | 21255c3f74fb15a867aeda7d49fee662cd49e8e1da6bd45ec3681255d0132459df28111e83289c2e4b121cc58883ca6dca8553e1dd8158a9e3cb376a7f2271a6 |
memory/1700-107-0x0000000073EF0000-0x00000000745DE000-memory.dmp
memory/2132-108-0x0000000073EF0000-0x00000000745DE000-memory.dmp
memory/2132-109-0x0000000004F10000-0x0000000004F50000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | 015ce10ca98ee4c231528e1a1fd6220e |
| SHA1 | 332bf6d8e037612b5c679996dcb7d400b4aa28d6 |
| SHA256 | f588cced0e43f51357fa0be0dd76ecca4cbb97dc0c3c41cc00f3a4838145a68f |
| SHA512 | 3c83c30a65a1166b3cd46ca47083fbd4523f6e66e6023e1cf652efdeda66404f72b8fb4e7ecccff1a8ae2c077d30fe458fa9141c6bd62e96adde9915f833a1be |
C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe
| MD5 | 5f70076ed14782ab9f56406f51ebff84 |
| SHA1 | 7284b05c8696ef47f0a1d73210bbf282cea776f6 |
| SHA256 | 55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650 |
| SHA512 | 21255c3f74fb15a867aeda7d49fee662cd49e8e1da6bd45ec3681255d0132459df28111e83289c2e4b121cc58883ca6dca8553e1dd8158a9e3cb376a7f2271a6 |
memory/2132-115-0x0000000000540000-0x0000000000548000-memory.dmp
memory/3040-116-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2132-118-0x0000000004F10000-0x0000000004F50000-memory.dmp
memory/3040-119-0x0000000000400000-0x000000000041B000-memory.dmp
memory/3040-120-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2132-121-0x0000000073EF0000-0x00000000745DE000-memory.dmp
memory/2132-122-0x0000000004F10000-0x0000000004F50000-memory.dmp
memory/3040-124-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2132-125-0x0000000004F10000-0x0000000004F50000-memory.dmp
memory/1932-126-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1932-128-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1932-129-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1932-133-0x0000000000400000-0x0000000000458000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-19 15:54
Reported
2023-07-19 15:57
Platform
win10v2004-20230703-en
Max time kernel
15s
Max time network
149s
Command Line
Signatures
Processes
C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe
"C:\Users\Admin\AppData\Local\Temp\55ce96ae8bbca2b1ec44517eacc3b4b06c05b8bd7dd211653962474e9b84d650.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
Files
memory/2236-133-0x0000000000090000-0x00000000001B6000-memory.dmp
memory/2236-134-0x0000000075150000-0x0000000075900000-memory.dmp
memory/2236-135-0x0000000005040000-0x00000000055E4000-memory.dmp
memory/2236-136-0x0000000004A90000-0x0000000004B22000-memory.dmp
memory/2236-137-0x0000000004B30000-0x0000000004BCC000-memory.dmp
memory/2236-138-0x0000000004C90000-0x0000000004CA0000-memory.dmp
memory/2236-139-0x0000000004A60000-0x0000000004A6A000-memory.dmp
memory/2236-140-0x0000000075150000-0x0000000075900000-memory.dmp
memory/2236-141-0x0000000004C90000-0x0000000004CA0000-memory.dmp