Analysis
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max time kernel
121s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
13-06-2022 11:29
General
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Target
EO09844Y4Y4.exe
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Size
1.2MB
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MD5
10d01d4cd2c896a5573c90465dd6548f
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SHA1
365c81314ba3c23717734efaa78ec5844d37a9b2
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SHA256
30e4bf20932ff913f614d755aa681f3db76cbaf5c6ec08bd668459fab2bf9277
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SHA512
9b4b7dbfd8203353cf24f8ef73f1c0078b8a663a2282dc848b4fa1aeb3e3da7ee5f92b10617146627c729501e59237075cc5f8b791c43c556dac9939aa1c7cd3
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 7 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\EO09844Y4Y4.exe"C:\Users\Admin\AppData\Local\Temp\EO09844Y4Y4.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 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\EO09844Y4Y4.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\kiaPwNpyAy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF4D0.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\kiaPwNpyAy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\EO09844Y4Y4.exe"C:\Users\Admin\AppData\Local\Temp\EO09844Y4Y4.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
18KB
MD5bd913210957e2d4855ad0ddf6e181125
SHA11d6a457d1fe47a96a333fc7a9a1f635d92dbd143
SHA256a3b9bbcc218ed4094b9c013276801270f374021710ca42b9326ff38b49dce4af
SHA5120b12c2003c1d23ceffa8c6f3dd66bfdf30c80b18e350c83a6bdd31be15957ab1c489365bf4c1d4918ad5af2c7490107e2b0c0a066ef456b6147407cdc51fe7ce
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C:\Users\Admin\AppData\Local\Temp\tmpF4D0.tmpFilesize
1KB
MD5a4e40b81d56b9d71df32eb603fe76b29
SHA1d3926a1471737f8d84b965eba23cd50f594a8dec
SHA25680c5dae39c8145034448e82820975658904c2b642bc26c983355c3c3679e9ad2
SHA512668ec223cf18079b236734d223e85ea6705d79eca8c8b2bae7fd1527704299f7786843ea43d225a8a59c9b456cb1be2df2146c1708b8a7039ddb333f4f60fcfb
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memory/1172-158-0x0000000007060000-0x0000000007068000-memory.dmpFilesize
32KB
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memory/1172-142-0x0000000004D00000-0x0000000004D66000-memory.dmpFilesize
408KB
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memory/1172-155-0x0000000006FC0000-0x0000000007056000-memory.dmpFilesize
600KB
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memory/1172-136-0x0000000000000000-mapping.dmp
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memory/1172-150-0x0000000005FF0000-0x000000000600E000-memory.dmpFilesize
120KB
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memory/1172-138-0x0000000000CC0000-0x0000000000CF6000-memory.dmpFilesize
216KB
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memory/1172-139-0x0000000004F60000-0x0000000005588000-memory.dmpFilesize
6.2MB
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memory/1172-149-0x0000000074F90000-0x0000000074FDC000-memory.dmpFilesize
304KB
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memory/1172-141-0x0000000004A60000-0x0000000004A82000-memory.dmpFilesize
136KB
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memory/1172-148-0x0000000006C40000-0x0000000006C72000-memory.dmpFilesize
200KB
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memory/1172-147-0x0000000005A40000-0x0000000005A5E000-memory.dmpFilesize
120KB
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memory/1172-157-0x0000000007080000-0x000000000709A000-memory.dmpFilesize
104KB
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memory/1172-153-0x0000000006D50000-0x0000000006D6A000-memory.dmpFilesize
104KB
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memory/1512-131-0x0000000005280000-0x000000000531C000-memory.dmpFilesize
624KB
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memory/1512-132-0x00000000058D0000-0x0000000005E74000-memory.dmpFilesize
5.6MB
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memory/1512-134-0x0000000005350000-0x000000000535A000-memory.dmpFilesize
40KB
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memory/1512-133-0x00000000053C0000-0x0000000005452000-memory.dmpFilesize
584KB
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memory/1512-137-0x0000000006320000-0x0000000006386000-memory.dmpFilesize
408KB
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memory/1512-135-0x0000000005560000-0x00000000055B6000-memory.dmpFilesize
344KB
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memory/1512-130-0x00000000007D0000-0x0000000000914000-memory.dmpFilesize
1.3MB
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memory/1896-154-0x0000000007290000-0x000000000729A000-memory.dmpFilesize
40KB
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memory/1896-152-0x0000000007860000-0x0000000007EDA000-memory.dmpFilesize
6.5MB
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memory/1896-151-0x0000000074F90000-0x0000000074FDC000-memory.dmpFilesize
304KB
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memory/1896-156-0x0000000007450000-0x000000000745E000-memory.dmpFilesize
56KB
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memory/1896-144-0x0000000000000000-mapping.dmp
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memory/2012-146-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/2012-145-0x0000000000000000-mapping.dmp
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memory/2012-161-0x0000000006DC0000-0x0000000006E10000-memory.dmpFilesize
320KB
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memory/4616-140-0x0000000000000000-mapping.dmp