Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 01:18
Behavioral task
behavioral1
Sample
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe
Resource
win10v2004-20240508-en
General
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Target
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe
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Size
130KB
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MD5
ae65828171d12dbd2817503f7c230d22
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SHA1
3822837f216fca0e57ad17c799965492efc1f336
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SHA256
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527
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SHA512
2ff7aa799b4ee56266b1e67f472052666c211e229854fd6afd67a217403177b789b766736c18d8ba57fcdfdca6a2687db1e67adeb0994247c773fcb453d0f39b
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SSDEEP
3072:TysXix6vlYO39/L08MExkYMxvxlojbaGeplsLJwvxpBogbY:dix6dYO3RgxojbnepxBxb
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 behavioral1/memory/2376-1-0x00000000002A0000-0x00000000002C6000-memory.dmp family_snakekeylogger -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2376-1-0x00000000002A0000-0x00000000002C6000-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 behavioral1/memory/2376-1-0x00000000002A0000-0x00000000002C6000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables with potential process hoocking 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2376-1-0x00000000002A0000-0x00000000002C6000-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:
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.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 2 checkip.dyndns.org -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exepid process 2376 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe 2376 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exedescription pid process Token: SeDebugPrivilege 2376 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe -
outlook_office_path 1 IoCs
Processes:
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe -
outlook_win_path 1 IoCs
Processes:
c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe"C:\Users\Admin\AppData\Local\Temp\c5b9529a719d2acc7c9e2fad96ef6b960d0c7a90ddfd14767c2baa6a93939527.exe"1⤵
- 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
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Downloads
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memory/2376-0-0x00000000741FE000-0x00000000741FF000-memory.dmpFilesize
4KB
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memory/2376-1-0x00000000002A0000-0x00000000002C6000-memory.dmpFilesize
152KB
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memory/2376-2-0x00000000741F0000-0x00000000748DE000-memory.dmpFilesize
6.9MB
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memory/2376-3-0x00000000741FE000-0x00000000741FF000-memory.dmpFilesize
4KB
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memory/2376-4-0x00000000741F0000-0x00000000748DE000-memory.dmpFilesize
6.9MB