Analysis
- max time kernel
144s - max time network
146s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
10/11/2021, 09:47
General
- Target doc20211109998401001.exe
- Size 388KB
- Sample211110-lr7snadhcr
- SHA256 29551050fb4783c06a6deeef4e432293e1d428f96e20528f072c0363f4a2de17
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.erosgroup.co.in
-
Port
587
-
Username
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Password
TechNew@2019#$
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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 3 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). Likely ransomware behaviour.
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.exe"C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.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\yHnwLyGEByEbOo.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yHnwLyGEByEbOo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B52.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.exe"C:\Users\Admin\AppData\Local\Temp\doc20211109998401001.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1476-151-0x0000000006B10000-0x0000000006B11000-memory.dmp
memory/1476-148-0x0000000005640000-0x0000000005B3E000-memory.dmp
memory/1476-134-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2400-136-0x0000000004690000-0x0000000004691000-memory.dmp
memory/2400-144-0x0000000007710000-0x0000000007711000-memory.dmp
memory/2400-175-0x0000000004693000-0x0000000004694000-memory.dmp
memory/2400-129-0x0000000004430000-0x0000000004431000-memory.dmp
memory/2400-130-0x0000000004430000-0x0000000004431000-memory.dmp
memory/2400-174-0x000000007EAA0000-0x000000007EAA1000-memory.dmp
memory/2400-132-0x0000000004590000-0x0000000004591000-memory.dmp
memory/2400-133-0x0000000007070000-0x0000000007071000-memory.dmp
memory/2400-173-0x0000000009340000-0x0000000009341000-memory.dmp
memory/2400-172-0x0000000009180000-0x0000000009181000-memory.dmp
memory/2400-137-0x0000000004692000-0x0000000004693000-memory.dmp
memory/2400-167-0x0000000009010000-0x0000000009011000-memory.dmp
memory/2400-142-0x0000000006FC0000-0x0000000006FC1000-memory.dmp
memory/2400-143-0x00000000076A0000-0x00000000076A1000-memory.dmp
memory/2400-160-0x0000000009050000-0x0000000009083000-memory.dmp
memory/2400-145-0x00000000079A0000-0x00000000079A1000-memory.dmp
memory/2400-146-0x00000000078F0000-0x00000000078F1000-memory.dmp
memory/2400-147-0x00000000082A0000-0x00000000082A1000-memory.dmp
memory/2400-153-0x0000000004430000-0x0000000004431000-memory.dmp
memory/2400-150-0x0000000008010000-0x0000000008011000-memory.dmp
memory/2824-120-0x0000000005200000-0x0000000005201000-memory.dmp
memory/2824-121-0x0000000004D00000-0x0000000004D01000-memory.dmp
memory/2824-126-0x00000000082A0000-0x00000000082DD000-memory.dmp
memory/2824-122-0x0000000004C50000-0x0000000004C51000-memory.dmp
memory/2824-118-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/2824-123-0x0000000004E90000-0x0000000004E97000-memory.dmp
memory/2824-124-0x0000000004D00000-0x00000000051FE000-memory.dmp
memory/2824-125-0x00000000081C0000-0x00000000081C1000-memory.dmp