Analysis
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max time kernel
146s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2022 07:05
Static task
static1
Behavioral task
behavioral1
Sample
confirmations.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
confirmations.exe
Resource
win10v2004-20220721-en
General
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Target
confirmations.exe
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Size
712KB
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MD5
4ab1f4f9bdadbdb865bbc24c5139ee5b
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SHA1
fa1291a26d6716f709c7526b6033bc0dbe49c016
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SHA256
8c8d32ce1daf82a1e2864bdf0d86bd17ba7e2282dd549a826242181ef04b9183
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SHA512
f85f64e326b2be36271189e50ea6eed10cabc0776a646e3f8b3ab5ae0b8a00e96e1c498218e80b88c13ffff75d52aaf4054d14c9095b42becebb33affdceba8b
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5438794068:AAGoE4bpAIHtaGy3WdbPtgtC0pMD4Rz1TZU/sendMessage?chat_id=5268739623
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/3540-137-0x0000000000400000-0x0000000000426000-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:
confirmations.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirmations.exe Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirmations.exe Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirmations.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 65 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
confirmations.exedescription pid process target process PID 1172 set thread context of 3540 1172 confirmations.exe confirmations.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
confirmations.exepid process 3540 confirmations.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
confirmations.exedescription pid process Token: SeDebugPrivilege 3540 confirmations.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
confirmations.exedescription pid process target process PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe PID 1172 wrote to memory of 3540 1172 confirmations.exe confirmations.exe -
outlook_office_path 1 IoCs
Processes:
confirmations.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirmations.exe -
outlook_win_path 1 IoCs
Processes:
confirmations.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 confirmations.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\confirmations.exe"C:\Users\Admin\AppData\Local\Temp\confirmations.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Users\Admin\AppData\Local\Temp\confirmations.exe"C:\Users\Admin\AppData\Local\Temp\confirmations.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3540
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58323fae9fbc8238dfd3efdc87ac3534c
SHA1d88623828a38d6b528963a32902c9f336a08942e
SHA2561ccd81d339d51696fa8569e0ea179873452e8aa087b14a397538cda74996fe00
SHA5129a50d78360761b85c2b49fd2959744c004a74600ffef5756391fec0f02c8aafc6061a028518808693297f03e9fc65067e3d4b29d876ed70eb8e2ad9094d246c3