Analysis
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max time kernel
69s -
max time network
68s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
20/11/2022, 08:17
Static task
static1
Behavioral task
behavioral1
Sample
82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe
Resource
win7-20221111-en
General
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Target
82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe
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Size
97KB
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MD5
5091ec3676e0f2a175c432530974f819
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SHA1
02cd8250c2571e1d52ac3915d6d8c491374967a6
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SHA256
82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383
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SHA512
39d7f00332dd0e01907ac68089b1a61d96c7391a776e4a3a0e97c3f537bf4f4bbaae4cb3d041f60ddb71ca1ecc9bebbfa4be5675505266c6c82641f337041669
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SSDEEP
3072:Jw4FkOXR4G5HdSGlX7s36W4eNIRZoRIBEOjhK7:JFkORp5QkuY1Wmp9K
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 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.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 568 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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.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 1164 PING.EXE -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeImpersonatePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeTcbPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeChangeNotifyPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeCreateTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeBackupPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeRestorePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeIncreaseQuotaPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeAssignPrimaryTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeImpersonatePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeTcbPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeChangeNotifyPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeCreateTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeBackupPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeRestorePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeIncreaseQuotaPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeAssignPrimaryTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeImpersonatePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeTcbPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeChangeNotifyPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeCreateTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeBackupPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeRestorePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeIncreaseQuotaPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeAssignPrimaryTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeImpersonatePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeTcbPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeChangeNotifyPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeCreateTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeBackupPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeRestorePrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeIncreaseQuotaPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe Token: SeAssignPrimaryTokenPrivilege 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1544 wrote to memory of 1524 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 29 PID 1544 wrote to memory of 1524 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 29 PID 1544 wrote to memory of 1524 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 29 PID 1544 wrote to memory of 1524 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 29 PID 1544 wrote to memory of 568 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 31 PID 1544 wrote to memory of 568 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 31 PID 1544 wrote to memory of 568 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 31 PID 1544 wrote to memory of 568 1544 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe 31 PID 1524 wrote to memory of 1884 1524 cmd.exe 34 PID 1524 wrote to memory of 1884 1524 cmd.exe 34 PID 1524 wrote to memory of 1884 1524 cmd.exe 34 PID 1524 wrote to memory of 1884 1524 cmd.exe 34 PID 568 wrote to memory of 1164 568 cmd.exe 33 PID 568 wrote to memory of 1164 568 cmd.exe 33 PID 568 wrote to memory of 1164 568 cmd.exe 33 PID 568 wrote to memory of 1164 568 cmd.exe 33 -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe"C:\Users\Admin\AppData\Local\Temp\82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.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:1544 -
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 09:22:00 /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\7146577aq 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:1524 -
C:\Windows\SysWOW64\at.exeat 09:22:00 /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\7146577aq C:\Windows\system32\drivers\etc\hosts /Y && attrib +H C:\Windows\system32\drivers\etc\hosts"3⤵PID:1884
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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\82992542f37a4d188c69e394631b2c4aa634f7102bb371391e92ef2b26ec6383.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Windows\SysWOW64\PING.EXEping -n 6 localhost3⤵
- Runs ping.exe
PID:1164
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