Resubmissions
06-12-2021 10:42
211206-mrvzjadggm 1018-11-2021 09:01
211118-kyyynafbd7 718-11-2021 08:53
211118-ktap9scbam 7Analysis
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max time kernel
125s -
max time network
125s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
06-12-2021 10:42
Static task
static1
Behavioral task
behavioral1
Sample
2098765234567890987660.E.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
2098765234567890987660.E.exe
Resource
win10-en-20211104
General
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Target
2098765234567890987660.E.exe
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Size
759KB
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MD5
bbbf28c148eb325812183d91d8e8a239
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SHA1
ba7612abff608b6dd038acfb43a31741329e007c
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SHA256
caa0fa101c0ee313ae591239f18dcd8fc37cb235af7dfb2e9de350d7f448d34b
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SHA512
852c5aedfc4090559d50ea136aeb6270308766585acb49054f64c570af1011e26b295d681064cbe00d227b3d4dbfd0cc2a34d1113052eb5cc097dbde925978bc
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/488-119-0x0000000000400000-0x000000000048B000-memory.dmp family_snakekeylogger behavioral2/memory/488-120-0x000000000040188B-mapping.dmp family_snakekeylogger behavioral2/memory/488-121-0x0000000000400000-0x000000000048B000-memory.dmp family_snakekeylogger -
Loads dropped DLL 1 IoCs
Processes:
2098765234567890987660.E.exepid process 4052 2098765234567890987660.E.exe -
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:
2098765234567890987660.E.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2098765234567890987660.E.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2098765234567890987660.E.exe Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2098765234567890987660.E.exe -
Drops desktop.ini file(s) 2 IoCs
Processes:
2098765234567890987660.E.exedescription ioc process File created C:\Windows\assembly\Desktop.ini 2098765234567890987660.E.exe File opened for modification C:\Windows\assembly\Desktop.ini 2098765234567890987660.E.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.
Processes:
flow ioc 18 checkip.dyndns.org 20 freegeoip.app 21 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2098765234567890987660.E.exedescription pid process target process PID 4052 set thread context of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe -
Drops file in Windows directory 3 IoCs
Processes:
2098765234567890987660.E.exedescription ioc process File opened for modification C:\Windows\assembly 2098765234567890987660.E.exe File created C:\Windows\assembly\Desktop.ini 2098765234567890987660.E.exe File opened for modification C:\Windows\assembly\Desktop.ini 2098765234567890987660.E.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
2098765234567890987660.E.exepid process 488 2098765234567890987660.E.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2098765234567890987660.E.exedescription pid process Token: SeDebugPrivilege 488 2098765234567890987660.E.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
2098765234567890987660.E.exedescription pid process target process PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe PID 4052 wrote to memory of 488 4052 2098765234567890987660.E.exe 2098765234567890987660.E.exe -
outlook_office_path 1 IoCs
Processes:
2098765234567890987660.E.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2098765234567890987660.E.exe -
outlook_win_path 1 IoCs
Processes:
2098765234567890987660.E.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2098765234567890987660.E.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2098765234567890987660.E.exe"C:\Users\Admin\AppData\Local\Temp\2098765234567890987660.E.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Users\Admin\AppData\Local\Temp\2098765234567890987660.E.exe"C:\Users\Admin\AppData\Local\Temp\2098765234567890987660.E.exe"2⤵
- Accesses Microsoft Outlook profiles
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:488
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
48ec27c77c23413f4e11e531b775542f
SHA146fdd7b618bf1abea37a04a38f72664db65dba97
SHA256ff894568ef9ab2d4bffa5b9c4d67460c292d74e921090395cb4b4812c4146c9c
SHA5122f0a89c420bb89e4546313709e2ba735252f839f069cb8510101bff9875ecb85206e9e77993c890fb7495bb557b81a4d149ae9a61f50b3513211b3f5aa6e5e3d