Analysis
- max time kernel
90s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
19/10/2022, 13:00
Static task
static1
Behavioral task
behavioral1
Sample
31a16177fbec66cf886429ad2eeaa4c7.exe
Resource
win7-20220901-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
31a16177fbec66cf886429ad2eeaa4c7.exe
Resource
win10v2004-20220901-en
13 signatures
150 seconds
General
- Target 31a16177fbec66cf886429ad2eeaa4c7.exe
- Size 847KB
- Sample221019-p8nb5agfh2
- SHA256 875ec0c37d9c973142c00da42bb1b6b6e58115cf85ba0e4e231d7bed7df3b21e
- MD5 31a16177fbec66cf886429ad2eeaa4c7
- SHA1 de28944483f1ae84dbb3fd88f3309e9f5c279e0f
- SHA512 f4639a266c9183cb1317fdc107e467c449e10e635d4f85c1078f1158e67aa9c85881431cacab20ea5fafb1a124b9639a5ed0cb15e7cf0817f0dd5ad3aea16a28
- SSDEEP 12288:Xp/zznmXr//NXMzHxnjjPTAZfYQeAQlQhfNbN53hp6VtlG:9Cb9czRjDagmf57h5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
doDHyw%0
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1436-141-0x0000000000400000-0x0000000000426000-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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 31a16177fbec66cf886429ad2eeaa4c7.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 31a16177fbec66cf886429ad2eeaa4c7.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 31a16177fbec66cf886429ad2eeaa4c7.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 36 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4684 set thread context of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 1436 31a16177fbec66cf886429ad2eeaa4c7.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4684 31a16177fbec66cf886429ad2eeaa4c7.exe Token: SeDebugPrivilege 1436 31a16177fbec66cf886429ad2eeaa4c7.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4684 wrote to memory of 2764 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 91 PID 4684 wrote to memory of 2764 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 91 PID 4684 wrote to memory of 2764 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 91 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 PID 4684 wrote to memory of 1436 4684 31a16177fbec66cf886429ad2eeaa4c7.exe 92 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 31a16177fbec66cf886429ad2eeaa4c7.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 31a16177fbec66cf886429ad2eeaa4c7.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\31a16177fbec66cf886429ad2eeaa4c7.exe"C:\Users\Admin\AppData\Local\Temp\31a16177fbec66cf886429ad2eeaa4c7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Users\Admin\AppData\Local\Temp\31a16177fbec66cf886429ad2eeaa4c7.exe"C:\Users\Admin\AppData\Local\Temp\31a16177fbec66cf886429ad2eeaa4c7.exe"2⤵PID:2764
-
-
C:\Users\Admin\AppData\Local\Temp\31a16177fbec66cf886429ad2eeaa4c7.exe"C:\Users\Admin\AppData\Local\Temp\31a16177fbec66cf886429ad2eeaa4c7.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1436
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\31a16177fbec66cf886429ad2eeaa4c7.exe.log
- Size 1KB
- SHA256 8f35361fbf24bc7b50288c6e1ea35c78b1aea6c0445528e1dc23044d7a76f540
- MD5 98e69385182624aedb84d46d717ec187
- SHA1 77bf04322d722d1a298f62afcc37692462f42c2c
- SHA512 658e20153619ac12148ad1af33df3f20764ce4eb28f65dd5e7b5f4c3ccca6470674e59805e9dd4db979df66ab3ef5017674f7ea227e3d877703278f612c2bee4
- MD5 SHA1 SHA512