Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 01:02
Static task
static1
Behavioral task
behavioral1
Sample
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe
Resource
win10v2004-20240611-en
General
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Target
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe
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Size
482KB
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MD5
9aaf0e13931abe17c27dd943b5835937
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SHA1
8db76fa143b6e967cc9fe9b9ed441291ca055009
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SHA256
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469
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SHA512
05c9a9ba679f7155208c8928d45797c80c301eb46f3670c30759077ccd5edd6a82798bcb2eea325ab598197c4320277294af9ee51a01ac872755bcf206abdd23
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SSDEEP
6144:wXuAPKbX9sDEXfmgVvUKm0RfeFdDcyfXZXTraIyErhT41fG5QDGiu/byyvDuBRgC:wXuBqDEvmYfsDcyfpXpTh5qDGiEv6BC
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
valleycountysar.org - Port:
26 - Username:
[email protected] - Password:
fY,FLoadtsiF
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3144-9-0x00000000005A0000-0x00000000005C6000-memory.dmp family_snakekeylogger -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3144-9-0x00000000005A0000-0x00000000005C6000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3144-9-0x00000000005A0000-0x00000000005C6000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables with potential process hoocking 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3144-9-0x00000000005A0000-0x00000000005C6000-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.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.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.
Processes:
flow ioc 6 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exedescription pid process target process PID 1104 set thread context of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exepid process 3144 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 3144 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exedescription pid process Token: SeDebugPrivilege 3144 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exedescription pid process target process PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe PID 1104 wrote to memory of 3144 1104 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe -
outlook_office_path 1 IoCs
Processes:
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe -
outlook_win_path 1 IoCs
Processes:
16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe"C:\Users\Admin\AppData\Local\Temp\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe"C:\Users\Admin\AppData\Local\Temp\16335a1172a838611368645dab4446c79b750e3159a6d9f95556d420c559f469.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1104-8-0x0000000005180000-0x0000000005188000-memory.dmpFilesize
32KB
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memory/1104-6-0x0000000005230000-0x00000000052CC000-memory.dmpFilesize
624KB
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memory/1104-2-0x0000000005590000-0x0000000005B34000-memory.dmpFilesize
5.6MB
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memory/1104-3-0x0000000004EC0000-0x0000000004F52000-memory.dmpFilesize
584KB
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memory/1104-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmpFilesize
4KB
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memory/1104-5-0x00000000050F0000-0x0000000005144000-memory.dmpFilesize
336KB
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memory/1104-1-0x00000000005A0000-0x000000000061E000-memory.dmpFilesize
504KB
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memory/1104-7-0x0000000074A10000-0x00000000751C0000-memory.dmpFilesize
7.7MB
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memory/1104-4-0x00000000050E0000-0x00000000050EA000-memory.dmpFilesize
40KB
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memory/1104-13-0x0000000074A10000-0x00000000751C0000-memory.dmpFilesize
7.7MB
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memory/3144-10-0x0000000074A10000-0x00000000751C0000-memory.dmpFilesize
7.7MB
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memory/3144-11-0x0000000074A10000-0x00000000751C0000-memory.dmpFilesize
7.7MB
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memory/3144-9-0x00000000005A0000-0x00000000005C6000-memory.dmpFilesize
152KB
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memory/3144-14-0x0000000005F50000-0x0000000005FA0000-memory.dmpFilesize
320KB
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memory/3144-15-0x0000000006170000-0x0000000006332000-memory.dmpFilesize
1.8MB
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memory/3144-16-0x0000000074A10000-0x00000000751C0000-memory.dmpFilesize
7.7MB