Analysis
- max time kernel
134s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
11/07/2022, 14:27
Static task
static1
Behavioral task
behavioral1
Sample
Document_019827904.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Document_019827904.exe
Resource
win10v2004-20220414-en
General
- Target Document_019827904.exe
- Size 1.1MB
- Sample220711-rseq6acch5
- SHA256 0be11d265e2a37411f20f16f7c1bf46b3bb9d44ded11caa51c66827361f22c14
- MD5 c3dd5069a0786276d808cd690d84e04a
- SHA1 3231c5cdfe4d354852001003480d864bea462539
- SHA512 2283ed405a3db1ff2999f1e4326c1e7a2b2bcbff031eff88cbb03c84e0f6fbe03ccf8f6cf0907e774b403b408d8ae9c5061a1553c898c94cb612ee08f77530c2
- MD5 SHA1 SHA512
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.putlock.co.uk
-
Port
587
-
Username
-
Password
Puttflue94
-
Email to
-
https://api.telegram.org/bot5502458727:AAFTUrq_Mr-3cF-XZNdwaOsYHT_Ur2vcW3E/sendMessage?chat_id=1530075292
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/1632-138-0x0000000000400000-0x000000000047C000-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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Document_019827904.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Document_019827904.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Document_019827904.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 52 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4124 set thread context of 1632 4124 Document_019827904.exe 83 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4124 Document_019827904.exe 4124 Document_019827904.exe 1632 Document_019827904.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4124 Document_019827904.exe Token: SeDebugPrivilege 1632 Document_019827904.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4124 wrote to memory of 1772 4124 Document_019827904.exe 82 PID 4124 wrote to memory of 1772 4124 Document_019827904.exe 82 PID 4124 wrote to memory of 1772 4124 Document_019827904.exe 82 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 PID 4124 wrote to memory of 1632 4124 Document_019827904.exe 83 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Document_019827904.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Document_019827904.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Document_019827904.exe"C:\Users\Admin\AppData\Local\Temp\Document_019827904.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Users\Admin\AppData\Local\Temp\Document_019827904.exe"C:\Users\Admin\AppData\Local\Temp\Document_019827904.exe"2⤵PID:1772
-
-
C:\Users\Admin\AppData\Local\Temp\Document_019827904.exe"C:\Users\Admin\AppData\Local\Temp\Document_019827904.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1632
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Document_019827904.exe.log
- Size 1KB
- SHA256 a75686eed807c36b056311dddc898582fd4063135fc5728d2bdd3c6e1f5ab688
- MD5 fc57dcb1a143324278cf61d88f8c67ad
- SHA1 807d546b4296091d11a8df6a11157a5f12dd7fd5
- SHA512 33ac55a68ac8371bf00af55e38455e886dc6aa681388622a55bf4473b1f4eda4d75a8211ea61df288ccdb26e838785da08094a7f1aac878da6ccd2e573f3bcb8
- MD5 SHA1 SHA512