Analysis
- max time kernel
144s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
17/07/2024, 16:13
Static task
static1
Behavioral task
behavioral1
Sample
60027180921XLS.exe
Resource
win7-20240708-en
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
60027180921XLS.exe
Resource
win10v2004-20240709-en
16 signatures
150 seconds
General
- Target 60027180921XLS.exe
- Size 212KB
- Sample240717-tpjxta1hmc
- SHA256 5abab20afb89f2bf1dd4444646abf2e08dfdf7acadde7139d42ab33b97cd6537
- MD5 ca8d81e389f8dd3f6f29299705bd30ca
- SHA1 825f10ffbfabd7935309f57cbf1587755f98106c
- SHA512 37e2fb22484fe7032968a6c52a68e13e826ad005af1047554e97d3fb03d1465031c09dd6acab2aad877e9e3ab2b69fde5d0a0c907780e05c6fba3d9e0ce52c6b
- SSDEEP 3072:mLtmbQw5tKM/717+wUPnS21mQbnc+BR0pKREX/WONBuwrhmc7U1iIyx1IhNXOXcT:QtZ+86uwrhmkErFDnXAgF
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
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snakekeylogger
Credentials
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Protocol
smtp
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Host
jertcot.shop
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Port
587
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Username
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Password
UjFGuShvgVH4
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Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3660-4886-0x0000000000350000-0x0000000000376000-memory.dmp family_snakekeylogger - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation 60027180921XLS.exe - 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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 60027180921XLS.exe Key opened \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 60027180921XLS.exe Key opened \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 60027180921XLS.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wwcvmi = "C:\\Users\\Admin\\AppData\\Roaming\\Wwcvmi.exe" 60027180921XLS.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 48 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4936 set thread context of 3660 4936 60027180921XLS.exe 100 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 1528 ipconfig.exe 4056 ipconfig.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3660 60027180921XLS.exe 3660 60027180921XLS.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4936 60027180921XLS.exe Token: SeDebugPrivilege 4936 60027180921XLS.exe Token: SeDebugPrivilege 4936 60027180921XLS.exe Token: SeDebugPrivilege 3660 60027180921XLS.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4936 wrote to memory of 2144 4936 60027180921XLS.exe 96 PID 4936 wrote to memory of 2144 4936 60027180921XLS.exe 96 PID 4936 wrote to memory of 2144 4936 60027180921XLS.exe 96 PID 2144 wrote to memory of 1528 2144 cmd.exe 98 PID 2144 wrote to memory of 1528 2144 cmd.exe 98 PID 2144 wrote to memory of 1528 2144 cmd.exe 98 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 3660 4936 60027180921XLS.exe 100 PID 4936 wrote to memory of 1732 4936 60027180921XLS.exe 101 PID 4936 wrote to memory of 1732 4936 60027180921XLS.exe 101 PID 4936 wrote to memory of 1732 4936 60027180921XLS.exe 101 PID 1732 wrote to memory of 4056 1732 cmd.exe 103 PID 1732 wrote to memory of 4056 1732 cmd.exe 103 PID 1732 wrote to memory of 4056 1732 cmd.exe 103 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 60027180921XLS.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 60027180921XLS.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\60027180921XLS.exe"C:\Users\Admin\AppData\Local\Temp\60027180921XLS.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
PID:1528
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C:\Users\Admin\AppData\Local\Temp\60027180921XLS.exe"C:\Users\Admin\AppData\Local\Temp\60027180921XLS.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3660
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew2⤵
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- Gathers network information
PID:4056
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