Analysis
- max time kernel
144s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
14/03/2022, 08:23
Static task
static1
Behavioral task
behavioral1
Sample
INV#20221403.exe
Resource
win7-20220310-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
INV#20221403.exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
- Target INV#20221403.exe
- Size 992KB
- Sample220314-j951nsdgh7
- SHA256 5a2fce82ae46869fcc2f92cca90e99488bf8c55eaf559cc3537aeaeea6100d86
- MD5 dbf31f15b0b12c9f01966617c6963739
- SHA1 4ce167ccb79735cebe7d3af2d6d25c40eacbb461
- SHA512 ea19b0569f94da42be079afadda9de13bccc83ceaa0e560f5d235e7baf30c67d35958765538d55a3d3a4c52e11a99a3908e6b700e1834dff37f5ccb76bc617b1
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
mail.stilltech.ro
-
Port
587
-
Username
-
Password
eurobit555ro
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 1 IoCs
resource yara_rule behavioral2/memory/4904-137-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 28 checkip.dyndns.org 30 freegeoip.app 31 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 784 set thread context of 4904 784 INV#20221403.exe 87 - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 4904 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4904 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 PID 784 wrote to memory of 4904 784 INV#20221403.exe 87 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\INV#20221403.exe"C:\Users\Admin\AppData\Local\Temp\INV#20221403.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4904
-