Analysis
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max time kernel
135s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2023 16:50
Static task
static1
Behavioral task
behavioral1
Sample
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe
Resource
win10v2004-20230915-en
General
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Target
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe
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Size
682KB
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MD5
2ba38d110d7f63bef0ec0dc14bd71f9a
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SHA1
32b24d9e7227516f58ee1928872af6f6a3dd98b4
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SHA256
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6
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SHA512
9afd44f8de1ff974f915b4968270adb3be7a770179113b694247a48b6ac2c31b8a374fa06e95a5182253b4e7c5e14ef32fec9a0906b09980e5bbddd0d19eff0a
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SSDEEP
12288:J80WWObWINS+bX4QJNmzgSi7e/HxqQSRsrY0yTT2Vqsy3kxi4bTlmS:V4bNSaIoNOgSiqoQSRsrvyTaG3YTlm
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6672846419:AAFSAihbjn4BiXgm0YY8G7ozGP9JeR3fpi4/sendMessage?chat_id=6469857895
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/3000-12-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
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:
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.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 58 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exedescription pid process target process PID 1700 set thread context of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exepid process 3000 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe 3000 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exedescription pid process Token: SeDebugPrivilege 3000 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exedescription pid process target process PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe PID 1700 wrote to memory of 3000 1700 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe -
outlook_office_path 1 IoCs
Processes:
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe -
outlook_win_path 1 IoCs
Processes:
fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe"C:\Users\Admin\AppData\Local\Temp\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Users\Admin\AppData\Local\Temp\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe"C:\Users\Admin\AppData\Local\Temp\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3000
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3