Analysis
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max time kernel
190s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-06-2022 05:25
Static task
static1
Behavioral task
behavioral1
Sample
aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe
Resource
win10v2004-20220414-en
General
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Target
aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe
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Size
1.5MB
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MD5
eb3a80f5df4896b582fbdec56aff1c2f
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SHA1
1688c16df9fbcadabf314491b0cc9fa216d7ac86
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SHA256
aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a
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SHA512
3e4dc5656d884f1782163a5af4a605c8ca836835ee1016907768b1c83d63f8134664e19f505f75ba3426e03da9594064d85224312f0d428deaea155e068257fd
Malware Config
Signatures
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Cheetah Keylogger
Cheetah is a keylogger and info stealer first seen in March 2020.
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Cheetah Keylogger Payload 1 IoCs
resource yara_rule behavioral1/memory/1640-59-0x0000000000540000-0x000000000057A000-memory.dmp family_cheetahkeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 ifconfig.me -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1936 set thread context of 1640 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 28 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1640 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1936 wrote to memory of 1640 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 28 PID 1936 wrote to memory of 1640 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 28 PID 1936 wrote to memory of 1640 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 28 PID 1936 wrote to memory of 1640 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 28 PID 1936 wrote to memory of 1640 1936 aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe"C:\Users\Admin\AppData\Local\Temp\aa65645936619d50557577d89918f57bb14364e6cfd562ebfa288abc43b5c54a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1640
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