Analysis
- max time kernel
134s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system - submitted
11/06/2024, 01:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe
Resource
win7-20240220-en
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe
Resource
win10v2004-20240426-en
15 signatures
150 seconds
General
- Target d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe
- Size 637KB
- Sample240611-bza4jsyfqa
- SHA256 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f
- MD5 5deba7bbc15bb31bd266e81e902ad15f
- SHA1 59c8d3214fb772ef91642d954f7d3642243ff565
- SHA512 5268860fdbd15d85ad0ff83b3f45b90f8303fb2d67e733d358b4e18654b5fd2ba8710346ffd9a71727a96166a80991bc0af8cb684e66b87682e3f704603b1eff
- SSDEEP 12288:6YydsNXjfbZA0bWaFkzmHf0FBq9QcREKrPJscT7cFnU:63sVsaFkzSkaQcEMJs5Fn
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
Credentials
-
Protocol
smtp
-
Host
valleycountysar.org
-
Port
26
-
Username
-
Password
iU0Ta!$K8L51
C2
-
http://103.130.147.85
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/5028-9-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule behavioral2/memory/5028-9-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers - Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
resource yara_rule behavioral2/memory/5028-9-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients - Detects executables with potential process hoocking 1 IoCs
resource yara_rule behavioral2/memory/5028-9-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_DotNetProcHook - 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-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.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 5 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3632 set thread context of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5028 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 5028 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5028 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 PID 3632 wrote to memory of 5028 3632 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe 83 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe"C:\Users\Admin\AppData\Local\Temp\d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Users\Admin\AppData\Local\Temp\d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe"C:\Users\Admin\AppData\Local\Temp\d949ca75c623df13fee31c1ddfbe02655d866a5408f3140e250090f213ec2f3f.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5028
-