Analysis
- max time kernel
66s - max time network
125s - platform
windows7_x64 - resource
win7-20220414-en - submitted
22/04/2022, 15:17
General
- Target In-depth Research Report on Global Refrigerator Market 2021-2025.exe
- Size 463KB
- Sample220422-sn192adce7
- SHA256 e5b07f57add08c310208eb33b32c23855ec9abc6eb8a4e5aef74a20a6dabe673
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
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Host
mail.transmeridian-sas.com
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Port
25
-
Username
-
Password
xyrPIck;O_Xz
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 6 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\In-depth Research Report on Global Refrigerator Market 2021-2025.exe"C:\Users\Admin\AppData\Local\Temp\In-depth Research Report on Global Refrigerator Market 2021-2025.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uoYeStoLy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE86C.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\In-depth Research Report on Global Refrigerator Market 2021-2025.exe"{path}"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
tmpE86C.tmp
memory/240-57-0x00000000040D0000-0x0000000004146000-memory.dmp
memory/240-55-0x00000000757C1000-0x00000000757C3000-memory.dmp
memory/240-54-0x0000000000860000-0x00000000008DA000-memory.dmp
memory/240-58-0x0000000001F80000-0x0000000001FA6000-memory.dmp
memory/240-56-0x00000000003C0000-0x00000000003CA000-memory.dmp
memory/668-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/668-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/668-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/668-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/668-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/668-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/668-72-0x0000000000400000-0x0000000000426000-memory.dmp