Analysis
- max time kernel
121s - max time network
144s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
20/01/2022, 06:39
Static task
static1
Behavioral task
behavioral1
Sample
a6587ab37c4a9223fba53125790592a6.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
a6587ab37c4a9223fba53125790592a6.exe
Resource
win10v2004-en-20220112
0 signatures
0 seconds
General
- Target a6587ab37c4a9223fba53125790592a6.exe
- Size 418KB
- Sample220120-hemp6sgdfq
- SHA256 8d18af0f1e3f5f105b58caa5bc4954f6512ceae4218ce0bc9ab2e143fa5bbaad
- MD5 a6587ab37c4a9223fba53125790592a6
- SHA1 cff6d8dc0bfb07c9664075123ad8d259ff2027e6
- SHA512 df62969ebd796f3ba2314ff22336677eecfc648e1268d275441f75ec43d681eb8a1ffb2acb09ce9e7a6c1531497089e587884e5b63baec0054f049beefe5b023
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
alvinjuniorjr
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 4 IoCs
resource yara_rule behavioral1/memory/288-61-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/288-62-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/288-63-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/288-64-0x0000000000400000-0x0000000000424000-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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a6587ab37c4a9223fba53125790592a6.exe Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a6587ab37c4a9223fba53125790592a6.exe Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a6587ab37c4a9223fba53125790592a6.exe - 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 8 freegeoip.app 9 freegeoip.app 4 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1928 set thread context of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 288 a6587ab37c4a9223fba53125790592a6.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 288 a6587ab37c4a9223fba53125790592a6.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 PID 1928 wrote to memory of 288 1928 a6587ab37c4a9223fba53125790592a6.exe 27 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a6587ab37c4a9223fba53125790592a6.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a6587ab37c4a9223fba53125790592a6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a6587ab37c4a9223fba53125790592a6.exe"C:\Users\Admin\AppData\Local\Temp\a6587ab37c4a9223fba53125790592a6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Users\Admin\AppData\Local\Temp\a6587ab37c4a9223fba53125790592a6.exe"C:\Users\Admin\AppData\Local\Temp\a6587ab37c4a9223fba53125790592a6.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:288
-