Analysis
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max time kernel
119s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
26-09-2023 15:27
Static task
static1
Behavioral task
behavioral1
Sample
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe
Resource
win10v2004-20230915-en
General
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Target
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe
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Size
497KB
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MD5
4b6ba75e0680e1761dabf95c43e777cd
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SHA1
ac9a769d7355ea3eab0389deb2e11337cb277d48
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SHA256
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5
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SHA512
13e2e7edf9047bf059aed416fbce0ea954f4054b699d48f6fa41bb23482ee344b86499a9db4869b1bbd1aa6f53a1f43d048640e3a7ca812b1abf6c6b0d6cca70
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SSDEEP
12288:FE725SZXXjQKQX46Hp+erzNnIyDuiNdYjJAEzq9F/+LQ:BAZN6Hp+erzNnIcKJAv
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.gkas.com.tr - Port:
587 - Username:
[email protected] - Password:
Gkasteknik@2022
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/2596-15-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2596-16-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2596-21-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2596-23-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2596-19-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2732-31-0x0000000002400000-0x0000000002440000-memory.dmp family_snakekeylogger behavioral1/memory/2596-36-0x0000000004850000-0x0000000004890000-memory.dmp family_snakekeylogger -
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:
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exedescription pid process target process PID 2932 set thread context of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exepowershell.exepid process 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2596 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2596 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 2732 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exepowershell.exedescription pid process Token: SeDebugPrivilege 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe Token: SeDebugPrivilege 2596 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe Token: SeDebugPrivilege 2732 powershell.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exedescription pid process target process PID 2932 wrote to memory of 2732 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe powershell.exe PID 2932 wrote to memory of 2732 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe powershell.exe PID 2932 wrote to memory of 2732 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe powershell.exe PID 2932 wrote to memory of 2732 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe powershell.exe PID 2932 wrote to memory of 1216 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe schtasks.exe PID 2932 wrote to memory of 1216 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe schtasks.exe PID 2932 wrote to memory of 1216 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe schtasks.exe PID 2932 wrote to memory of 1216 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe schtasks.exe PID 2932 wrote to memory of 2856 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2856 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2856 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2856 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2512 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2512 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2512 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2512 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2648 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2648 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2648 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2648 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 1840 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 1840 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 1840 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 1840 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe PID 2932 wrote to memory of 2596 2932 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe -
outlook_office_path 1 IoCs
Processes:
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe -
outlook_win_path 1 IoCs
Processes:
55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OYnoIhjaIinqxa.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2732 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OYnoIhjaIinqxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp55FC.tmp"2⤵
- Creates scheduled task(s)
PID:1216 -
C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"2⤵PID:2856
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C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"2⤵PID:2512
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C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"2⤵PID:2648
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C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"2⤵PID:1840
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C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"C:\Users\Admin\AppData\Local\Temp\55ddf189656363ac355a799830fa17a7097a80e850bd9434e33fe2e76aacd9e5_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD59313811f192b05ddda8b455018fdec55
SHA1027727bc3150f9a852eca823896fa9e8bdfbbc58
SHA256a01089cebb932a200d96d3bea0d3702fe1718a4f26739b6097e60b5121494e20
SHA51275cd8dde7ea4f54bc08ecde932c4517cb821749db51315a0db0c8b49a57e0f3b3b55924732774024e34b47e995a1d25778a958d6d8ec5786711cf29acab96bc5