Analysis
- max time kernel
46s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
09/08/2021, 02:50
General
- Target SecuriteInfo.com.Scr.Malcodegdn30.14543.19096.exe
- Size 865KB
- Sample210809-azd2saxw5n
- SHA256 5f8726a70210acce4b0c90d578efa854799a5bf7bceb8d2fb10854b83f2f0db3
Malware Config
Extracted
-
snakekeylogger
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
jBgPrcvY6
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- 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). Likely ransomware behaviour.
- Program crash 1 IoCs
- 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 16 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Scr.Malcodegdn30.14543.19096.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Scr.Malcodegdn30.14543.19096.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fkanjfnUCJbEC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBC41.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Scr.Malcodegdn30.14543.19096.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Scr.Malcodegdn30.14543.19096.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3896 -s 15083⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3484-123-0x0000000007550000-0x00000000075DB000-memory.dmp
memory/3484-119-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
memory/3484-120-0x0000000005280000-0x0000000005281000-memory.dmp
memory/3484-121-0x0000000004F80000-0x000000000501C000-memory.dmp
memory/3484-122-0x0000000005590000-0x00000000055A1000-memory.dmp
memory/3484-114-0x00000000006B0000-0x00000000006B1000-memory.dmp
memory/3484-124-0x0000000009C50000-0x0000000009C71000-memory.dmp
memory/3484-118-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/3484-117-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/3484-116-0x0000000005020000-0x0000000005021000-memory.dmp
memory/3896-127-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3896-134-0x0000000005860000-0x0000000005D5E000-memory.dmp