Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
14-12-2023 07:27
Static task
static1
Behavioral task
behavioral1
Sample
hesaphareketi-01.pdf.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
hesaphareketi-01.pdf.exe
Resource
win10v2004-20231127-en
General
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Target
hesaphareketi-01.pdf.exe
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Size
560KB
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MD5
7e6398a6a7a38bf23efc22f9b18a420e
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SHA1
f61c84ae72b2c11fb845f104f79261c833aa5a73
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SHA256
750c597899063c79f01f196299eac7768daad827e0164f30c904000629474226
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SHA512
a05cb27edc472dd9774f1936306fe46b5b581461601009a4c4fcf158ba2041937605c64d8178b847f81e655011b9d6c8cc18ef9f6d7d9ebbef1e94a07b185ca4
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SSDEEP
12288:HVj3hLQvfdxOo7gpXtreF725DJXnyEmrzZt3TAZtmgm1+Y4nRkkb8DBMiG3fwC:2MLXyDz8fQ+XqhBMbr
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 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3876-23-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral2/memory/3876-39-0x0000000005420000-0x0000000005430000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
hesaphareketi-01.pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Control Panel\International\Geo\Nation hesaphareketi-01.pdf.exe -
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:
hesaphareketi-01.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 hesaphareketi-01.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 hesaphareketi-01.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 hesaphareketi-01.pdf.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 67 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
hesaphareketi-01.pdf.exedescription pid process target process PID 3768 set thread context of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.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 14 IoCs
Processes:
hesaphareketi-01.pdf.exepowershell.exehesaphareketi-01.pdf.exepid process 3768 hesaphareketi-01.pdf.exe 3768 hesaphareketi-01.pdf.exe 3768 hesaphareketi-01.pdf.exe 3768 hesaphareketi-01.pdf.exe 3768 hesaphareketi-01.pdf.exe 4972 powershell.exe 4972 powershell.exe 3768 hesaphareketi-01.pdf.exe 3768 hesaphareketi-01.pdf.exe 3768 hesaphareketi-01.pdf.exe 3768 hesaphareketi-01.pdf.exe 3876 hesaphareketi-01.pdf.exe 4972 powershell.exe 3876 hesaphareketi-01.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
hesaphareketi-01.pdf.exepowershell.exehesaphareketi-01.pdf.exedescription pid process Token: SeDebugPrivilege 3768 hesaphareketi-01.pdf.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 3876 hesaphareketi-01.pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
hesaphareketi-01.pdf.exedescription pid process target process PID 3768 wrote to memory of 4972 3768 hesaphareketi-01.pdf.exe powershell.exe PID 3768 wrote to memory of 4972 3768 hesaphareketi-01.pdf.exe powershell.exe PID 3768 wrote to memory of 4972 3768 hesaphareketi-01.pdf.exe powershell.exe PID 3768 wrote to memory of 4260 3768 hesaphareketi-01.pdf.exe schtasks.exe PID 3768 wrote to memory of 4260 3768 hesaphareketi-01.pdf.exe schtasks.exe PID 3768 wrote to memory of 4260 3768 hesaphareketi-01.pdf.exe schtasks.exe PID 3768 wrote to memory of 3184 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3184 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3184 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe PID 3768 wrote to memory of 3876 3768 hesaphareketi-01.pdf.exe hesaphareketi-01.pdf.exe -
outlook_office_path 1 IoCs
Processes:
hesaphareketi-01.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 hesaphareketi-01.pdf.exe -
outlook_win_path 1 IoCs
Processes:
hesaphareketi-01.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 hesaphareketi-01.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oqIDqZpgbaL.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oqIDqZpgbaL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70D6.tmp"2⤵
- Creates scheduled task(s)
PID:4260 -
C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"2⤵PID:3184
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C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3876
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5a861a5879ed2ccfd6c91aaad8a810b91
SHA17beff83d2005eafa720fa10501f7c7b40c5559c9
SHA256028b8bd8efd286b0d8d703e950b1c46eb12e5042f58af946ee937fbc173cb8f3
SHA5124547ed98c36598fa61f7669a6d3130fce567bae97e06eddc10827b93b7d5a2291380f6f572a1342770cfdc6897fc514e01e712a569a81417057f06c1846e38fc