Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/01/2024, 13:22
General
- Target 74ccfbabd5376167c9e52c89c0478ec5.exe
- Size 1016KB
- Sample240125-qmnansgdf2
- SHA256 24631515535420a7600ac6e1191f49b8162c7c3d1ca82a163b66451e448fab2f
Malware Config
Extracted
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blustealer
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Protocol
smtp
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Host
mail.enche.com
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Port
587
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Username
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Password
Merchandise08012021
Signatures
- A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
- BluStealer
A Modular information stealer written in Visual Basic.
- A310logger Executable 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\74ccfbabd5376167c9e52c89c0478ec5.exe"C:\Users\Admin\AppData\Local\Temp\74ccfbabd5376167c9e52c89c0478ec5.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\74ccfbabd5376167c9e52c89c0478ec5.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zFdYmdUOJ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zFdYmdUOJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA50.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zFdYmdUOJ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_2l1v4jxd.iag.ps1
tmpCA50.tmp
Fox.exe
VR2OYSDUNH.zip
credentials.txt
memory/1696-107-0x00007FF9767D0000-0x00007FF977291000-memory.dmp
memory/1696-99-0x000000001BD50000-0x000000001BD60000-memory.dmp
memory/1696-98-0x00007FF9767D0000-0x00007FF977291000-memory.dmp
memory/1696-97-0x0000000000FA0000-0x0000000001052000-memory.dmp
memory/1836-22-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/1836-150-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/1836-130-0x0000000070DB0000-0x0000000070DFC000-memory.dmp
memory/1836-149-0x0000000007580000-0x0000000007623000-memory.dmp
memory/1836-151-0x000000007F6C0000-0x000000007F6D0000-memory.dmp
memory/1836-90-0x0000000006620000-0x000000000666C000-memory.dmp
memory/1836-152-0x0000000007ED0000-0x000000000854A000-memory.dmp
memory/1836-171-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/1836-155-0x0000000002C40000-0x0000000002C50000-memory.dmp
memory/1836-24-0x0000000002C40000-0x0000000002C50000-memory.dmp
memory/1836-27-0x0000000005F20000-0x0000000005F86000-memory.dmp
memory/1836-42-0x0000000005F90000-0x00000000062E4000-memory.dmp
memory/1836-163-0x0000000007BD0000-0x0000000007BD8000-memory.dmp
memory/1836-25-0x0000000005510000-0x0000000005532000-memory.dmp
memory/1836-161-0x0000000007BF0000-0x0000000007C0A000-memory.dmp
memory/3180-20-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3180-114-0x000000007F510000-0x000000007F520000-memory.dmp
memory/3180-158-0x0000000007C40000-0x0000000007C4E000-memory.dmp
memory/3180-19-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3180-156-0x0000000007C80000-0x0000000007D16000-memory.dmp
memory/3180-170-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/3180-21-0x00000000057D0000-0x0000000005DF8000-memory.dmp
memory/3180-75-0x00000000066F0000-0x000000000670E000-memory.dmp
memory/3180-26-0x0000000005ED0000-0x0000000005F36000-memory.dmp
memory/3180-159-0x0000000007C50000-0x0000000007C64000-memory.dmp
memory/3180-157-0x0000000007C20000-0x0000000007C31000-memory.dmp
memory/3180-18-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/3180-17-0x00000000050F0000-0x0000000005126000-memory.dmp
memory/3180-116-0x00000000076C0000-0x00000000076F2000-memory.dmp
memory/3180-108-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/3180-110-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3180-119-0x0000000070DB0000-0x0000000070DFC000-memory.dmp
memory/3180-111-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3180-118-0x0000000005190000-0x00000000051A0000-memory.dmp
memory/3436-51-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/3436-7-0x0000000005390000-0x00000000053E6000-memory.dmp
memory/3436-3-0x0000000005800000-0x0000000005DA4000-memory.dmp
memory/3436-11-0x0000000006CA0000-0x0000000006D74000-memory.dmp
memory/3436-0-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/3436-4-0x00000000052F0000-0x0000000005382000-memory.dmp
memory/3436-5-0x00000000054A0000-0x00000000054B0000-memory.dmp
memory/3436-1-0x00000000006B0000-0x00000000007B4000-memory.dmp
memory/3436-6-0x0000000005250000-0x000000000525A000-memory.dmp
memory/3436-12-0x00000000069D0000-0x0000000006A38000-memory.dmp
memory/3436-8-0x0000000005450000-0x0000000005468000-memory.dmp
memory/3436-9-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/3436-2-0x00000000051B0000-0x000000000524C000-memory.dmp
memory/3436-10-0x00000000054A0000-0x00000000054B0000-memory.dmp
memory/4864-28-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4864-160-0x0000000000400000-0x000000000045B000-memory.dmp
memory/4864-41-0x0000000000400000-0x000000000045B000-memory.dmp
memory/5036-129-0x0000000006C30000-0x0000000006C4E000-memory.dmp
memory/5036-54-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/5036-56-0x00000000053C0000-0x00000000053D0000-memory.dmp
memory/5036-57-0x00000000053C0000-0x00000000053D0000-memory.dmp
memory/5036-162-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/5036-154-0x00000000079E0000-0x00000000079EA000-memory.dmp
memory/5036-153-0x0000000007970000-0x000000000798A000-memory.dmp
memory/5036-115-0x000000007F5A0000-0x000000007F5B0000-memory.dmp
memory/5036-109-0x00000000053C0000-0x00000000053D0000-memory.dmp
memory/5036-169-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/5036-117-0x0000000070DB0000-0x0000000070DFC000-memory.dmp