Analysis
- max time kernel
88s - max time network
123s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
04/05/2023, 06:16
General
- Target General Attachment.exe
- Size 744KB
- Sample230504-g1f9vacc21
- SHA256 bf15bf7ad5e678a40cca28a50fbe8a4f4aa8b86f3480820d8c0178db3107cb15
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
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Host
argona.ro
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Port
26
-
Username
-
Password
Argona12!@
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 5 IoCs
- 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
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\General Attachment.exe"C:\Users\Admin\AppData\Local\Temp\General Attachment.exe"1⤵
- 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\Roaming\jgWSDjdXm.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\jgWSDjdXm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC37F.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\General Attachment.exe"C:\Users\Admin\AppData\Local\Temp\General Attachment.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpC37F.tmp
memory/924-79-0x0000000002550000-0x0000000002590000-memory.dmp
memory/924-78-0x0000000002550000-0x0000000002590000-memory.dmp
memory/1820-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1820-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1820-77-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1820-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1820-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1820-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1820-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1820-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2040-67-0x0000000004B90000-0x0000000004BC8000-memory.dmp
memory/2040-54-0x0000000000DF0000-0x0000000000EB0000-memory.dmp
memory/2040-58-0x00000000008F0000-0x00000000008FC000-memory.dmp
memory/2040-57-0x00000000051B0000-0x00000000051F0000-memory.dmp
memory/2040-59-0x0000000004B20000-0x0000000004B90000-memory.dmp
memory/2040-56-0x00000000008B0000-0x00000000008C2000-memory.dmp
memory/2040-55-0x00000000051B0000-0x00000000051F0000-memory.dmp