Analysis
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max time kernel
71s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
06-07-2022 15:50
Static task
static1
Behavioral task
behavioral1
Sample
Inquiry.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Inquiry.exe
Resource
win10v2004-20220414-en
General
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Target
Inquiry.exe
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Size
437KB
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MD5
6174562112d67ef7cb82e655a19338d8
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SHA1
fe55489f2dbb6ac1372d8e8edde0c45c9d59456d
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SHA256
c271dfd86bd75855555cfddd1be5944d760355820f7f0f88389e504630821206
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SHA512
a946fddb7bf2283751c985bafaee23cdaa1962d8c886eb22ed8af5ea8e027a357a31c120c4853db4e70cc8bf0e73296ac98dfc180b935b8d452cdeddeb2756f6
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.mail.ru - Port:
587 - Username:
office.chika@mail.ru - Password:
waQRCNyqaCK7UxnSpzkH - Email To:
office.chika@mail.ru
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/1528-136-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.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 31 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Inquiry.exedescription pid process target process PID 1472 set thread context of 1528 1472 Inquiry.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Inquiry.exeInstallUtil.exepid process 1472 Inquiry.exe 1472 Inquiry.exe 1528 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Inquiry.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1472 Inquiry.exe Token: SeDebugPrivilege 1528 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Inquiry.exedescription pid process target process PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe PID 1472 wrote to memory of 1528 1472 Inquiry.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1472-130-0x0000000000460000-0x00000000004D4000-memory.dmpFilesize
464KB
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memory/1472-131-0x0000000005C10000-0x00000000061B4000-memory.dmpFilesize
5.6MB
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memory/1472-132-0x0000000005570000-0x000000000560C000-memory.dmpFilesize
624KB
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memory/1472-133-0x000000000C0B0000-0x000000000C142000-memory.dmpFilesize
584KB
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memory/1472-134-0x000000000C360000-0x000000000C36A000-memory.dmpFilesize
40KB
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memory/1528-135-0x0000000000000000-mapping.dmp
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memory/1528-136-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1528-137-0x0000000006630000-0x00000000067F2000-memory.dmpFilesize
1.8MB