Analysis
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max time kernel
83s -
max time network
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platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 19:12
Static task
static1
Behavioral task
behavioral1
Sample
f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe
Resource
win7-20220812-en
General
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Target
f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe
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Size
97KB
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MD5
96f83a6611d7732c44966946554f9280
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SHA1
f1da1341783bd60c3d30b78528e63b642d42d9dd
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SHA256
f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a
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SHA512
447be25e5112ab1122e329a8a5ae6332b0a58865ef72988d121114b21ecc199cfc92ad17b8097e9b4484f452862584e2f4fb63a6d836ab6c5beb1f2d09d632b1
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SSDEEP
3072:1OIkQqfJOXR4G5HlRZ0RIioWOzhK+SGAnX1s36v47NK:1xkXfJORp5PmmvRtKt/luh
Malware Config
Extracted
pony
http://kurtst.pw:4915/doc/black.php
http://kurtst.pw:888/doc/black.php
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payload_url
http://kytrus.pw:888/pic/Flash.exe
Signatures
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Drops file in Drivers directory 3 IoCs
description ioc Process File created C:\Windows\system32\drivers\etc\tmp.tmp f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe File created C:\Windows\system32\drivers\etc\hosts.sam cmd.exe File opened for modification C:\Windows\system32\drivers\etc\hosts.sam cmd.exe -
Deletes itself 1 IoCs
pid Process 1760 cmd.exe -
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 web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe -
Accesses Microsoft Outlook profiles 1 TTPs 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 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 608 PING.EXE -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeImpersonatePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeTcbPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeChangeNotifyPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeCreateTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeBackupPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeRestorePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeIncreaseQuotaPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeAssignPrimaryTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeImpersonatePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeTcbPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeChangeNotifyPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeCreateTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeBackupPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeRestorePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeIncreaseQuotaPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeAssignPrimaryTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeImpersonatePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeTcbPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeChangeNotifyPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeCreateTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeBackupPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeRestorePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeIncreaseQuotaPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeAssignPrimaryTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeImpersonatePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeTcbPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeChangeNotifyPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeCreateTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeBackupPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeRestorePrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeIncreaseQuotaPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe Token: SeAssignPrimaryTokenPrivilege 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1148 wrote to memory of 972 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 28 PID 1148 wrote to memory of 972 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 28 PID 1148 wrote to memory of 972 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 28 PID 1148 wrote to memory of 972 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 28 PID 1148 wrote to memory of 1760 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 30 PID 1148 wrote to memory of 1760 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 30 PID 1148 wrote to memory of 1760 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 30 PID 1148 wrote to memory of 1760 1148 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe 30 PID 1760 wrote to memory of 608 1760 cmd.exe 32 PID 1760 wrote to memory of 608 1760 cmd.exe 32 PID 1760 wrote to memory of 608 1760 cmd.exe 32 PID 1760 wrote to memory of 608 1760 cmd.exe 32 PID 972 wrote to memory of 1536 972 cmd.exe 33 PID 972 wrote to memory of 1536 972 cmd.exe 33 PID 972 wrote to memory of 1536 972 cmd.exe 33 PID 972 wrote to memory of 1536 972 cmd.exe 33 -
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 f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe"C:\Users\Admin\AppData\Local\Temp\f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe"1⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
PID:1148 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy C:\Windows\system32\drivers\etc\hosts C:\Windows\system32\drivers\etc\hosts.sam /Y && at 23:54:00 /every:M,T,W,Th,F,S,Su cmd.exe "/c attrib -H C:\Windows\system32\drivers\etc\hosts && copy C:\Users\Admin\AppData\Local\Temp\7158261aq C:\Windows\system32\drivers\etc\hosts /Y && attrib +H C:\Windows\system32\drivers\etc\hosts"2⤵
- Drops file in Drivers directory
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Windows\SysWOW64\at.exeat 23:54:00 /every:M,T,W,Th,F,S,Su cmd.exe "/c attrib -H C:\Windows\system32\drivers\etc\hosts && copy C:\Users\Admin\AppData\Local\Temp\7158261aq C:\Windows\system32\drivers\etc\hosts /Y && attrib +H C:\Windows\system32\drivers\etc\hosts"3⤵PID:1536
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping -n 6 localhost && erase "C:\Users\Admin\AppData\Local\Temp\f9afff41ed863c356c43cc6d8f3fd13ff6fec4fc5bcb6ad3e3822ac13a8fda2a.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\PING.EXEping -n 6 localhost3⤵
- Runs ping.exe
PID:608
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