Analysis
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max time kernel
119s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
13-06-2022 09:37
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 11 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 23 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 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\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\tmp5A8F.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\EO09844Y4Y4.exe"C:\Users\Admin\AppData\Local\Temp\EO09844Y4Y4.exe"2⤵
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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⤵
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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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
18KB
MD593883e28e68bffac6c4808bfe451488b
SHA10992a61cdd9213961593c966c9cd8bef36552335
SHA256364bacae037a8a7d35719872fc059d42849597692e991a2c0d8fc7b030673ba9
SHA512f4cfdd93f67011861c6f5feb16cfb63c04391c53c149092ac2032fbb1ad0dfd1375e293c13af52519cb14e2f21c3efa06ebf66b99832ac635b36b84200ad490d
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C:\Users\Admin\AppData\Local\Temp\tmp5A8F.tmpFilesize
1KB
MD5a4e40b81d56b9d71df32eb603fe76b29
SHA1d3926a1471737f8d84b965eba23cd50f594a8dec
SHA25680c5dae39c8145034448e82820975658904c2b642bc26c983355c3c3679e9ad2
SHA512668ec223cf18079b236734d223e85ea6705d79eca8c8b2bae7fd1527704299f7786843ea43d225a8a59c9b456cb1be2df2146c1708b8a7039ddb333f4f60fcfb
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memory/1268-140-0x0000000000000000-mapping.dmp
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memory/2432-146-0x0000000000000000-mapping.dmp
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memory/3588-154-0x0000000008030000-0x00000000086AA000-memory.dmpFilesize
6.5MB
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memory/3588-144-0x0000000000000000-mapping.dmp
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memory/3588-159-0x0000000007CE0000-0x0000000007CFA000-memory.dmpFilesize
104KB
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memory/3588-157-0x0000000007C20000-0x0000000007CB6000-memory.dmpFilesize
600KB
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memory/3588-156-0x0000000007A20000-0x0000000007A2A000-memory.dmpFilesize
40KB
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memory/3588-153-0x0000000075AC0000-0x0000000075B0C000-memory.dmpFilesize
304KB
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memory/3676-150-0x00000000073B0000-0x00000000073E2000-memory.dmpFilesize
200KB
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memory/3676-138-0x0000000004E60000-0x0000000004E96000-memory.dmpFilesize
216KB
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memory/3676-160-0x0000000007A30000-0x0000000007A38000-memory.dmpFilesize
32KB
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memory/3676-141-0x0000000005B80000-0x0000000005BA2000-memory.dmpFilesize
136KB
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memory/3676-158-0x0000000007940000-0x000000000794E000-memory.dmpFilesize
56KB
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memory/3676-142-0x0000000005D20000-0x0000000005D86000-memory.dmpFilesize
408KB
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memory/3676-139-0x0000000005520000-0x0000000005B48000-memory.dmpFilesize
6.2MB
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memory/3676-155-0x0000000007710000-0x000000000772A000-memory.dmpFilesize
104KB
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memory/3676-149-0x0000000006410000-0x000000000642E000-memory.dmpFilesize
120KB
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memory/3676-136-0x0000000000000000-mapping.dmp
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memory/3676-151-0x0000000075AC0000-0x0000000075B0C000-memory.dmpFilesize
304KB
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memory/3676-152-0x00000000069B0000-0x00000000069CE000-memory.dmpFilesize
120KB
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memory/3956-148-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/3956-147-0x0000000000000000-mapping.dmp
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memory/3956-163-0x0000000006D90000-0x0000000006DE0000-memory.dmpFilesize
320KB
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memory/4772-135-0x0000000005450000-0x00000000054A6000-memory.dmpFilesize
344KB
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memory/4772-130-0x0000000000630000-0x0000000000774000-memory.dmpFilesize
1.3MB
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memory/4772-133-0x0000000005260000-0x00000000052F2000-memory.dmpFilesize
584KB
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memory/4772-137-0x000000000C8A0000-0x000000000C906000-memory.dmpFilesize
408KB
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memory/4772-134-0x00000000051B0000-0x00000000051BA000-memory.dmpFilesize
40KB
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memory/4772-132-0x0000000005810000-0x0000000005DB4000-memory.dmpFilesize
5.6MB
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memory/4772-131-0x0000000005100000-0x000000000519C000-memory.dmpFilesize
624KB
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memory/5056-145-0x0000000000000000-mapping.dmp