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Analysis
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max time kernel
66s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/11/2022, 07:36
Static task
static1
Behavioral task
behavioral1
Sample
e-dekont.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
e-dekont.exe
Resource
win10v2004-20220812-en
General
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Target
e-dekont.exe
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Size
906KB
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MD5
dea5ea4e9830ae8c67b096e21f011ee5
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SHA1
cccd9a752bd4371808ed4f50fc40a69f9ceda0fd
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SHA256
ca218e56143dfab73d7066f98227804de7098df11a79658794d00b5358f56f82
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SHA512
7a4736667b0343fc185100d1c3341106751cccdbdadb27c38b894516bea5c15bc1a7a8a257b5331cca489a0648bfec0cfbc88f771a02b87dd7bf3b3ee4a769cc
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SSDEEP
12288:L/3iutjRmmX88PnHlqpIbdoyXojwPNOihAGJcaGCBobE:L/RYk9EImyXoEPMihASGAobE
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5587666659:AAG8NrrXJQs__dhk8nLJBFOspz2my8OVpX0/sendMessage?chat_id=5569775004
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/2008-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2008-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2008-67-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2008-68-0x00000000004201AE-mapping.dmp family_snakekeylogger behavioral1/memory/2008-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2008-72-0x0000000000400000-0x0000000000426000-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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.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 832 set thread context of 2008 832 e-dekont.exe 28 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2008 e-dekont.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2008 e-dekont.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 PID 832 wrote to memory of 2008 832 e-dekont.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 e-dekont.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"C:\Users\Admin\AppData\Local\Temp\e-dekont.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2008
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