Analysis
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max time kernel
90s -
max time network
101s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 05:39
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220812-en
General
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Target
tmp.exe
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Size
433KB
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MD5
eaa1a25d87c5bdb3cce603c082723c69
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SHA1
15ea3a5f59be3cd8d44da25a54a3b337324bd13b
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SHA256
099bfbf0d439038049c7a80e415515db5fda73eaa11efb5886e24ac1caacecdc
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SHA512
75d7b299143e0092bee38d14fc7d1debdf46242ed74d97453e0ef40dd3536bc578db8145bfc6c302944278f8526b48de1210341f270ffa4216c47db00dda8a30
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SSDEEP
12288:Ug0wouHH1J+0i0Tqc0RyyWRUQ1GOi0nYTDD5EV1h0:UTu1Fz1RT1kTDlq1
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$ - Email To:
[email protected]
https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/1100-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1100-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1100-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1100-67-0x000000000042029E-mapping.dmp family_snakekeylogger behavioral1/memory/1100-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1100-71-0x0000000000400000-0x0000000000426000-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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.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.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1368 set thread context of 1100 1368 tmp.exe 27 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1100 tmp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1100 tmp.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 PID 1368 wrote to memory of 1100 1368 tmp.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1100
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