Analysis
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max time kernel
92s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
02-04-2024 13:54
Static task
static1
Behavioral task
behavioral1
Sample
1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe
Resource
win10v2004-20231215-en
General
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Target
1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.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
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/4780-17-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral2/memory/1852-30-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1852-31-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1852-33-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1852-28-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/4780-17-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral2/memory/5052-34-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/5052-36-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/5052-37-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/5052-44-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 9 IoCs
resource yara_rule behavioral2/memory/4780-17-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral2/memory/1852-30-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1852-31-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1852-33-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1852-28-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/5052-34-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/5052-36-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/5052-37-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/5052-44-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
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-1-5-21-1497073144-2389943819-3385106915-1000\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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.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 44 whatismyipaddress.com 46 whatismyipaddress.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4700 set thread context of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4780 set thread context of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 set thread context of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 -
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.
pid Process 3132 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 5052 vbc.exe 5052 vbc.exe 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe Token: SeDebugPrivilege 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 4700 wrote to memory of 3132 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 93 PID 4700 wrote to memory of 3132 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 93 PID 4700 wrote to memory of 3132 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 93 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4700 wrote to memory of 4780 4700 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 95 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 1852 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 96 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97 PID 4780 wrote to memory of 5052 4780 1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe"C:\Users\Admin\AppData\Local\Temp\1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.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:4700 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vIAIAyAXewJvJh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9D8.tmp"2⤵
- Creates scheduled task(s)
PID:3132
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C:\Users\Admin\AppData\Local\Temp\1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.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:4780 -
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:1852
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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:5052
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac.exe.log
Filesize1KB
MD55200da2e50f24d5d543c3f10674acdcb
SHA1b574a3336839882d799c0a7f635ea238efb934ee
SHA256d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026
SHA51224722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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Filesize
1KB
MD556ef6bc7db59d9a4d33265944fe15320
SHA1d9d32e6855e4317d6a9ea24f06c747ae08609516
SHA2566390a6876466ac6757d8a4630874ee455bc778d83d9c38824f492aee04c4e337
SHA512895e7bfc8b859bc79b540026639526eac41110f82cc287454f3e59088d8b5d373fd56625830ce522be411eb45cd30f5b5f0a30d947d24dbabd3275a4927514b1