Analysis
- max time kernel
63s - max time network
107s - platform
windows7_x64 - resource
win7v20210410 - submitted
06/07/2021, 16:11
Static task
static1
Behavioral task
behavioral1
Sample
PI.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
PI.exe
Resource
win10v20210410
General
- Target PI.exe
- Size 1.3MB
- Sample210706-e9qankld6a
- SHA256 a6d3022b85a06e7711cf0a95786517d098852f39687134c70cc0a718c57b5016
- MD5 b4a69663fbe2260a634fd1a801bef08a
- SHA1 55ae44bb3ad469770184af418c50de6a3bb27d28
- SHA512 50d1c8613393ca4496158ae03ecb4d89f8c294932a8f2d47fa21cbf254c05f4360cc0b528de1091c7f5d13c72ccf39e04305a8078f8e36534a4ed424224ea1d8
- MD5 SHA1 SHA512
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
$ASmZLn8
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 3 IoCs
resource yara_rule behavioral1/memory/1008-67-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger behavioral1/memory/1008-68-0x000000000046459E-mapping.dmp family_snakekeylogger behavioral1/memory/1008-69-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger - 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.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 checkip.dyndns.org 10 freegeoip.app 11 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2040 set thread context of 1008 2040 PI.exe 31 - 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.
pid Process 592 schtasks.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1008 PI.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1008 PI.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2040 wrote to memory of 592 2040 PI.exe 29 PID 2040 wrote to memory of 592 2040 PI.exe 29 PID 2040 wrote to memory of 592 2040 PI.exe 29 PID 2040 wrote to memory of 592 2040 PI.exe 29 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31 PID 2040 wrote to memory of 1008 2040 PI.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\PI.exe"C:\Users\Admin\AppData\Local\Temp\PI.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JarWPikh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F3E.tmp"2⤵
- Creates scheduled task(s)
PID:592
-
-
C:\Users\Admin\AppData\Local\Temp\PI.exe"C:\Users\Admin\AppData\Local\Temp\PI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1008
-