Analysis
- max time kernel
112s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/09/2022, 07:59
Static task
static1
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7-20220901-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v2004-20220812-en
14 signatures
150 seconds
General
- Target SOA.exe
- Size 746KB
- Sample220919-jvdymsbcen
- SHA256 4777908496da047060e337d98110d79430af57bfd140ecfcc7f136e0cfd5cc7d
- MD5 9e538c80929fe688b684e07bf57f7dee
- SHA1 8a33d02427f31c156048b155b099abef38119158
- SHA512 5c7a14b61aea4393170c803477ee164d0b9c849b6c175cdb45469879914da1602a9d513c2c61eb907229bb0c825134ce972a0a65d357dbabe9614d1205dc94ab
- SSDEEP 12288:9xpdX0/yGHS9/ALbOYtWnr0QQIADqjJ5ncu:vUyGy9oLZt6r/jrc
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
mail.rinc.in
-
Port
587
-
Username
-
Password
easter@499
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4860-140-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Disables Task Manager via registry modification
- 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation SOA.exe - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 38 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4668 set thread context of 4860 4668 SOA.exe 93 - 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 4592 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4668 SOA.exe 4860 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4668 SOA.exe Token: SeDebugPrivilege 4860 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4668 wrote to memory of 4592 4668 SOA.exe 91 PID 4668 wrote to memory of 4592 4668 SOA.exe 91 PID 4668 wrote to memory of 4592 4668 SOA.exe 91 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 PID 4668 wrote to memory of 4860 4668 SOA.exe 93 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NuUgJoCjfSWiaZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D79.tmp"2⤵
- Creates scheduled task(s)
PID:4592
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4860
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp9D79.tmp
- Size 1KB
- SHA256 0657f40fc68da124d7d997eb916589a94f82a77b06b77c2e0a54e61d905058f6
- MD5 2d921efb6c15519cdd4538beac26c2a7
- SHA1 8ef981a670eba7ef96d3e77d46e5c219b1227f62
- SHA512 804d17cc8c815b78fcb8800b7cff17ea613e4d897823ebba3c79d7c530b174a01b3b9c6971b0db64779800ce0ac97b1f00c99d87d682475e9e1983b9e3d15007
- MD5 SHA1 SHA512