Analysis
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max time kernel
77s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2022 10:50
Static task
static1
Behavioral task
behavioral1
Sample
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe
Resource
win10v2004-20220901-en
General
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Target
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe
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Size
710KB
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MD5
0bcea97bbf8109cb95c4483a60bcf3f8
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SHA1
4c52328289dc823cf96c3f99849e4bfc42ee1131
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SHA256
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb
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SHA512
21a1dccc8e1d4ce12da5b73b205e0df4c81a7dd7286ed019fc5ae0d1ca37359dfd660bfb955ff0cb44eec0acc127ef30654051b6c9c11ea9e7fe9751f4ebb060
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SSDEEP
12288:C+eBtaxy4sevTjgxSPUNkxjZ5gWI+p3c:3E4xjscTa7ojgb+Zc
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Chelseamel@22 - Email To:
[email protected]
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/4704-139-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.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 54 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exedescription pid process target process PID 4024 set thread context of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exepid process 4704 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exedescription pid process Token: SeDebugPrivilege 4704 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exedescription pid process target process PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe PID 4024 wrote to memory of 4704 4024 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe -
outlook_office_path 1 IoCs
Processes:
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe -
outlook_win_path 1 IoCs
Processes:
bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe"C:\Users\Admin\AppData\Local\Temp\bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Users\Admin\AppData\Local\Temp\bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe"C:\Users\Admin\AppData\Local\Temp\bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4704
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb.exe.log
Filesize1KB
MD5e08f822522c617a40840c62e4b0fb45e
SHA1ae516dca4da5234be6676d3f234c19ec55725be7
SHA256bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
SHA512894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4