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Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
01/02/2025, 17:20 UTC
General
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Target
ba8ce58efa9742a2f5639697449cf1b3394c40bc74dee3235fa81865a8dae2e0N.exe
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Size
962KB
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MD5
2626b7755d40d743f55c7580a1beb8b0
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SHA1
e3771299ec9da3c6ed2ee23ebf509e08fbd1237f
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SHA256
ba8ce58efa9742a2f5639697449cf1b3394c40bc74dee3235fa81865a8dae2e0
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SHA512
1a5df2f2c182601716575f12ea0bc6a677500e9c8a962b442bd1d31c35a6a287c790061b2071ffac31ebf94a138b0e3d6c8ef53b0cd424faa5a7e63259732e05
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SSDEEP
24576:Jt24wfvf7a8DPw67oc1xuzoVF5r5QAwFv0XcI:1ef7aD6Ffuw7B2fI
Malware Config
Signatures
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ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
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ISR Stealer payload 3 IoCs
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Isrstealer family
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 8 IoCs
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Detected Nirsoft tools 5 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
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Executes dropped EXE 9 IoCs
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Loads dropped DLL 12 IoCs
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Accesses Microsoft Outlook accounts 1 TTPs 7 IoCs
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Adds Run key to start application 2 TTPs 8 IoCs
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Checks whether UAC is enabled 1 TTPs 8 IoCs
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Suspicious use of SetThreadContext 21 IoCs
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UPX packed file 27 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 37 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 7 IoCs
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Suspicious use of WriteProcessMemory 64 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ba8ce58efa9742a2f5639697449cf1b3394c40bc74dee3235fa81865a8dae2e0N.exe"C:\Users\Admin\AppData\Local\Temp\ba8ce58efa9742a2f5639697449cf1b3394c40bc74dee3235fa81865a8dae2e0N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\2IcmWcXXue.ini"4⤵
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\OXZweVZVa6.ini"4⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"5⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"5⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG6⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"7⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\uebhBN5X4e.ini"8⤵
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\FQSdUFcQTR.ini"8⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"7⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG8⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"9⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\G0HJNgQeIQ.ini"10⤵
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\8U6ATX7tA5.ini"10⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"9⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG10⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"11⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\5PLH0CfaVf.ini"12⤵
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\fljrbSLKZh.ini"12⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"11⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG12⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"13⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\ORPg2Il7PP.ini"14⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\VdvyJGCwHx.ini"14⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG14⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"15⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\ULEa6mMFIu.ini"16⤵
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\lVPG7j6FKy.ini"16⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"15⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG16⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"17⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\Swpbkr1YZd.ini"18⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe/scomma "C:\Users\Admin\AppData\Local\Temp\nlaq7a1444.ini"18⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\2J3TTG~1\run.vbs"17⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
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C:\Users\Admin\2j3ttgc8z87nhh\java.com"C:\Users\Admin\2j3ttgc8z87nhh\java.com" oGQmSBaRL.VPG18⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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Network
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DNSfabiolafarias.com.brRemote address:8.8.8.8:53Requestfabiolafarias.com.brIN AResponse
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8.8.8.8:53fabiolafarias.com.brdns
DNS Request
fabiolafarias.com.br
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175B
MD58f44d5f1c08fd7351d73a3daca2bbfd0
SHA1e8e669b9fa500019b7b87fdb363e9036f8417531
SHA2560a90c52851b8e20c3fb985c7ab763a61b9b94d9423ad893132ec0f794fe6faf1
SHA512fc610f4be75b452a1e146e8d166f25a8c74402b2abac15206a61c53b1eb2d64eb6dcae56da02388581fbaeac965f9144ff23dcec863415dd5f6eeebb7d7fbca0
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Filesize
260KB
MD5887bfe186323191177fcc1d92fe45aba
SHA107edd3c86a74c0a96d4a715761bd35531d716c92
SHA2560c0d3f3782b615900301db24caa9351ff7decf3f9ce3eb1577c17dda4ab59d1e
SHA512d9483090b49afc0ab4ec60aac56500fcb60411759d0b94db199e586b530939891f321390c99efddd518d4b873391e144bcb26deb7ea672aec5f1882ae4d3c2b4
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Filesize
90B
MD5b67f9f21ffe6ce14e34a3faa763e3d7e
SHA1283811a92820f5558632e2f7eabf4deb198fd131
SHA2563baee1be372ff258064ab7fd2f72b7330d933160ad3829bcc51782b9d82a5b0c
SHA512445e9ab432136848c4df6d085899336e89b171bd0497fe08aac49e955be24807a5497682d97169f2d0d785c5d93d75da338c70fc7657f5775d3efbcc83c70c9e
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Filesize
30.9MB
MD5b809efdf2ec2751251cb835183d82bb5
SHA132cd37d5bbe861d9d7c7044b98c1c2e9312128f6
SHA256887b5699fc70c681821d92f2e2937696ce68b98277771e9057320278d24aa931
SHA512752b1ef10868105741d94c32e8053e6131ee4f3a37feda8453b5fd9e35649fd0f400848cfda665c230d81d7a6141313b6035bc5f46d8086e33cb6ac863e97be6
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Filesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3
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Filesize
912KB
MD56a93a4071cc7c22628af40a4d872f49b
SHA1ba916e686aa0cae19ab907bdab94924ada92b5f4
SHA2568465f3fcbccce3ea12495edbb0bd09c3b066e3df891613ce3180f9bb38b37b01
SHA5125a26af395a03397aadab13a53cac320f1d8bbe77046a61ae12e1f72f93df7afb360f52ef52f979f7b946a814365a298c3a3a536add6cdd7165896fb82abc4afd
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Filesize
332KB
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Filesize
332KB
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Filesize
332KB
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Filesize
332KB
-
Filesize
332KB
-
Filesize
332KB
-
Filesize
332KB
-
Filesize
124KB
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Filesize
124KB
-
Filesize
124KB
-
Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
-
Filesize
124KB
-
Filesize
124KB
-
Filesize
124KB
-
Filesize
124KB
-
Filesize
332KB
-
Filesize
332KB
-
Filesize
332KB
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Filesize
4KB
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Filesize
4KB
-
Filesize
4KB
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Filesize
264KB
-
Filesize
264KB
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Filesize
264KB
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Filesize
264KB
-
Filesize
124KB
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Filesize
124KB
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Filesize
332KB
-
Filesize
332KB
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Filesize
332KB