Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/09/2022, 09:35
Static task
static1
Behavioral task
behavioral1
Sample
1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe
Resource
win10v2004-20220812-en
General
- Target 1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe
- Size 92KB
- Sample220908-lkbrmsebe7
- SHA256 1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929
- MD5 3de3437d48ef8722871797908b2e6bd5
- SHA1 963aaff1cef80412c50da6998a7cad02d0eec6a4
- SHA512 49e0d587ab3d7e41968fa1d653d8c65cb3a16802acfd6983d3c13a4ed35640738b7a73ee9fc21673c0049c74021734063a2bf1aed7beaa5ad25fdfcd0b93d076
- SSDEEP 1536:lZgR80+5/HFISWEmJ+iTf+bsXtgA2JYveqkrlgTyz6fStpqhhwvo:lm8x5/HWnf+bs9gHOWqkrlmE6fEqDAo
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detect Neshta payload 5 IoCs
resource yara_rule behavioral2/files/0x0007000000022e5d-134.dat family_neshta behavioral2/files/0x0007000000022e5d-135.dat family_neshta behavioral2/memory/5028-139-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta behavioral2/memory/5028-142-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta behavioral2/memory/5028-154-0x0000000000400000-0x000000000042B000-memory.dmp family_neshta - Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" cc_checker.exe - Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
- Executes dropped EXE 2 IoCs
pid Process 5028 cc_checker.exe 1324 cc_checker.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation cc_checker.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cc_checker.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cc_checker.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cc_checker.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 42 icanhazip.com 48 ip-api.com - Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmprph.exe cc_checker.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe cc_checker.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe cc_checker.exe File opened for modification C:\PROGRA~2\WINDOW~2\wab.exe cc_checker.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe cc_checker.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmlaunch.exe cc_checker.exe File opened for modification C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe cc_checker.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~3.EXE cc_checker.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\WINDOW~2\wabmig.exe cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE cc_checker.exe File opened for modification C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE cc_checker.exe File opened for modification C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE cc_checker.exe File opened for modification C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI9C33~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe cc_checker.exe File opened for modification C:\PROGRA~2\WI8A19~1\ImagingDevices.exe cc_checker.exe File opened for modification C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE cc_checker.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI391D~1.EXE cc_checker.exe File opened for modification C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\WINDOW~4\wmplayer.exe cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe cc_checker.exe File opened for modification C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE cc_checker.exe File opened for modification C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe cc_checker.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\svchost.com cc_checker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 cc_checker.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier cc_checker.exe - Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" cc_checker.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe 1324 cc_checker.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4032 1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe Token: SeDebugPrivilege 1324 cc_checker.exe Token: SeSecurityPrivilege 1092 msiexec.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1324 cc_checker.exe - Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 4032 wrote to memory of 5028 4032 1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe 87 PID 4032 wrote to memory of 5028 4032 1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe 87 PID 4032 wrote to memory of 5028 4032 1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe 87 PID 5028 wrote to memory of 1324 5028 cc_checker.exe 88 PID 5028 wrote to memory of 1324 5028 cc_checker.exe 88 PID 5028 wrote to memory of 1324 5028 cc_checker.exe 88 PID 1324 wrote to memory of 1424 1324 cc_checker.exe 101 PID 1324 wrote to memory of 1424 1324 cc_checker.exe 101 PID 1324 wrote to memory of 1424 1324 cc_checker.exe 101 PID 1424 wrote to memory of 4892 1424 cmd.exe 104 PID 1424 wrote to memory of 4892 1424 cmd.exe 104 PID 1424 wrote to memory of 4892 1424 cmd.exe 104 PID 1424 wrote to memory of 4512 1424 cmd.exe 105 PID 1424 wrote to memory of 4512 1424 cmd.exe 105 PID 1424 wrote to memory of 4512 1424 cmd.exe 105 PID 1424 wrote to memory of 2644 1424 cmd.exe 106 PID 1424 wrote to memory of 2644 1424 cmd.exe 106 PID 1424 wrote to memory of 2644 1424 cmd.exe 106 PID 1324 wrote to memory of 3452 1324 cc_checker.exe 109 PID 1324 wrote to memory of 3452 1324 cc_checker.exe 109 PID 1324 wrote to memory of 3452 1324 cc_checker.exe 109 PID 3452 wrote to memory of 4832 3452 cmd.exe 111 PID 3452 wrote to memory of 4832 3452 cmd.exe 111 PID 3452 wrote to memory of 4832 3452 cmd.exe 111 PID 3452 wrote to memory of 2228 3452 cmd.exe 112 PID 3452 wrote to memory of 2228 3452 cmd.exe 112 PID 3452 wrote to memory of 2228 3452 cmd.exe 112 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cc_checker.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 cc_checker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe"C:\Users\Admin\AppData\Local\Temp\1c061338a92329304f65622959e94715f5c0f423cde1e9257ee5c6f031476929.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Users\Admin\AppData\Local\cc_checker.exe"C:\Users\Admin\AppData\Local\cc_checker.exe"2⤵
- Modifies system executable filetype association
- Executes dropped EXE
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\3582-490\cc_checker.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\cc_checker.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1324 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All4⤵
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:4892
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C:\Windows\SysWOW64\netsh.exenetsh wlan show profile5⤵PID:4512
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C:\Windows\SysWOW64\findstr.exefindstr All5⤵PID:2644
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid4⤵
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:4832
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C:\Windows\SysWOW64\netsh.exenetsh wlan show networks mode=bssid5⤵PID:2228
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1092
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\cc_checker.exe
- Size 2.2MB
- SHA256 92b7754587a5ec40ee6cd71c89302b5a1de6603a07d2bc166bc40a96d85313ff
- MD5 bf71bd50e7c06b963fd9ae0536eee140
- SHA1 7ec34804f6dd7087d8f8db5b771144937389fe63
- SHA512 d781b1650a0c4e6c84406b79cc45053e9af6a0b041aee8b25022ff10adc2be6f25e5882345ad34cbd06d4d2aa7f84b4e8d02fcac77c1f6dfa567875cad1478e0
- SSDEEP 49152:vTq24GjdGSgw+W7SC2nVQTEQLkjn3vr/n9:+EjdGSbWtqyb9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3582-490\cc_checker.exe
- Size 2.2MB
- SHA256 92b7754587a5ec40ee6cd71c89302b5a1de6603a07d2bc166bc40a96d85313ff
- MD5 bf71bd50e7c06b963fd9ae0536eee140
- SHA1 7ec34804f6dd7087d8f8db5b771144937389fe63
- SHA512 d781b1650a0c4e6c84406b79cc45053e9af6a0b041aee8b25022ff10adc2be6f25e5882345ad34cbd06d4d2aa7f84b4e8d02fcac77c1f6dfa567875cad1478e0
- SSDEEP 49152:vTq24GjdGSgw+W7SC2nVQTEQLkjn3vr/n9:+EjdGSbWtqyb9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\cc_checker.exe
- Size 2.2MB
- SHA256 8c8e7e7983d4d5f09fc64759330665c2641d6c0c5c774c07f1505b7c483a02b8
- MD5 340e1ffbf941241385b9500558408be8
- SHA1 fe02b51201b20de2546d31ffae2447b449aa72f6
- SHA512 7778f1218f51d40625232679148f55732c1fec1e5f0989615e364537c42ee9d59dd120d2861156115c9f013f035e94b4890155a8325da1a7b1eb0cb3dd3534bf
- SSDEEP 49152:kTq24GjdGSgw+W7SC2nVQTEQLkjn3vr/n9S:1EjdGSbWtqyb9S
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\cc_checker.exe
- Size 2.2MB
- SHA256 8c8e7e7983d4d5f09fc64759330665c2641d6c0c5c774c07f1505b7c483a02b8
- MD5 340e1ffbf941241385b9500558408be8
- SHA1 fe02b51201b20de2546d31ffae2447b449aa72f6
- SHA512 7778f1218f51d40625232679148f55732c1fec1e5f0989615e364537c42ee9d59dd120d2861156115c9f013f035e94b4890155a8325da1a7b1eb0cb3dd3534bf
- SSDEEP 49152:kTq24GjdGSgw+W7SC2nVQTEQLkjn3vr/n9S:1EjdGSbWtqyb9S
- MD5 SHA1 SHA512 SSDEEP