Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
07-07-2023 15:22
Static task
static1
Behavioral task
behavioral1
Sample
PO#894.exe
Resource
win7-20230703-en
Behavioral task
behavioral2
Sample
PO#894.exe
Resource
win10v2004-20230703-en
General
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Target
PO#894.exe
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Size
1.5MB
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MD5
9ae482062c306491334cb178fe919a3e
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SHA1
c2f76bc7512dfc45621fc7f23f8b2deb6c45f5f0
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SHA256
1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac
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SHA512
8dcd3ad324ada81ac3c40618b3754aa850f9fbdd4ee26105a28bdd39b62ae0625688827eae5499de6358779f150c7c2f790a136d010b7d55169203253a81bddb
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SSDEEP
24576:PXXQKVZnyHJ/mUgHrxpyUdjYxZi/nLzy+yNzbMCms016w33yd2OluON4fA9uCG:PHQ4nypujrxp5YxZ8LzlyZAd/L3yd2O8
Malware Config
Extracted
Protocol: ftp- Host:
ftp.lucd.ru - Port:
21 - Username:
[email protected] - Password:
doll@@2020
Signatures
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
PO#894.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions PO#894.exe -
NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/1048-145-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/2692-153-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2692-155-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2692-157-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/1048-145-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/2144-160-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2144-162-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2144-167-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/2144-171-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 8 IoCs
Processes:
resource yara_rule behavioral2/memory/1048-145-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/2692-153-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2692-155-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2692-157-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2144-160-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2144-162-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2144-167-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/2144-171-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
PO#894.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools PO#894.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
PO#894.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion PO#894.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion PO#894.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
PO#894.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation PO#894.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO#894.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" PO#894.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.
Processes:
flow ioc 23 whatismyipaddress.com 25 whatismyipaddress.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
PO#894.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum PO#894.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 PO#894.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
PO#894.exePO#894.exedescription pid process target process PID 1220 set thread context of 1048 1220 PO#894.exe PO#894.exe PID 1048 set thread context of 2692 1048 PO#894.exe vbc.exe PID 1048 set thread context of 2144 1048 PO#894.exe vbc.exe -
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.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PO#894.exevbc.exePO#894.exepid process 1220 PO#894.exe 2144 vbc.exe 2144 vbc.exe 1048 PO#894.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO#894.exePO#894.exedescription pid process Token: SeDebugPrivilege 1220 PO#894.exe Token: SeDebugPrivilege 1048 PO#894.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO#894.exepid process 1048 PO#894.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
PO#894.exePO#894.exedescription pid process target process PID 1220 wrote to memory of 2404 1220 PO#894.exe schtasks.exe PID 1220 wrote to memory of 2404 1220 PO#894.exe schtasks.exe PID 1220 wrote to memory of 2404 1220 PO#894.exe schtasks.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1220 wrote to memory of 1048 1220 PO#894.exe PO#894.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2692 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe PID 1048 wrote to memory of 2144 1048 PO#894.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#894.exe"C:\Users\Admin\AppData\Local\Temp\PO#894.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vIAIAyAXewJvJh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp31B9.tmp"2⤵
- Creates scheduled task(s)
PID:2404
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C:\Users\Admin\AppData\Local\Temp\PO#894.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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"3⤵
- Accesses Microsoft Outlook accounts
PID:2692
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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⤵
- Suspicious behavior: EnumeratesProcesses
PID:2144
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD55200da2e50f24d5d543c3f10674acdcb
SHA1b574a3336839882d799c0a7f635ea238efb934ee
SHA256d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026
SHA51224722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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Filesize
1KB
MD589fb09170d6cd7b93fbe9113fc8a6479
SHA1f9fed34500e3760c721021e63c658b475aa0ba08
SHA256e67f4877ad137a41341236933499ba69920cf977a792a76730167167da061506
SHA512d03feb672ff604e7feb9c4f794a84b66f788c6aa20c171c676fe2b72b8ffd74f5665f569e686f8a67238377fa664115d109f75c8ae397971ed665c27c719cef0