Analysis
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max time kernel
111s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-11-2024 22:36
Behavioral task
behavioral1
Sample
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe
Resource
win7-20240903-en
General
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Target
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe
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Size
333KB
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MD5
28e89125b6fa82d12ab9408034852110
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SHA1
88b5661e4ee9e7272f51d6c01ccdf883e9994c06
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SHA256
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2
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SHA512
379ccb72ff77cafce9a8a74a721618e8762cbba812698409f276ffc16274bcdd987c9cbe29502b81463e51bef106fa007871d0255e54c77d0526d4f1ffbdc7b0
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SSDEEP
6144:JVBqzX2x/XsQ1YA53/vkNI+uuu7iDgbzzWoOd1KLcdV:BqzX2xfdY6/cNKlD+o61KUV
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
acdrz.exepid process 4108 acdrz.exe -
Executes dropped EXE 2 IoCs
Processes:
acdrz.exejqxx.exepid process 4108 acdrz.exe 4772 jqxx.exe -
Loads dropped DLL 1 IoCs
Processes:
jqxx.exepid process 4772 jqxx.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
jqxx.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HTML = "c:\\Program Files\\cexfox\\jqxx.exe \"c:\\Program Files\\cexfox\\jqxxq.dll\",PraseHTML" jqxx.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
jqxx.exedescription ioc process File opened (read-only) \??\n: jqxx.exe File opened (read-only) \??\p: jqxx.exe File opened (read-only) \??\q: jqxx.exe File opened (read-only) \??\s: jqxx.exe File opened (read-only) \??\a: jqxx.exe File opened (read-only) \??\b: jqxx.exe File opened (read-only) \??\e: jqxx.exe File opened (read-only) \??\k: jqxx.exe File opened (read-only) \??\t: jqxx.exe File opened (read-only) \??\r: jqxx.exe File opened (read-only) \??\w: jqxx.exe File opened (read-only) \??\y: jqxx.exe File opened (read-only) \??\j: jqxx.exe File opened (read-only) \??\l: jqxx.exe File opened (read-only) \??\m: jqxx.exe File opened (read-only) \??\o: jqxx.exe File opened (read-only) \??\h: jqxx.exe File opened (read-only) \??\i: jqxx.exe File opened (read-only) \??\u: jqxx.exe File opened (read-only) \??\v: jqxx.exe File opened (read-only) \??\g: jqxx.exe File opened (read-only) \??\x: jqxx.exe File opened (read-only) \??\z: jqxx.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
jqxx.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 jqxx.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\acdrz.exe upx -
Drops file in Program Files directory 4 IoCs
Processes:
acdrz.exedescription ioc process File opened for modification \??\c:\Program Files\cexfox acdrz.exe File created \??\c:\Program Files\cexfox\jqxxq.dll acdrz.exe File created \??\c:\Program Files\cexfox\jqxx.exe acdrz.exe File opened for modification \??\c:\Program Files\cexfox\jqxx.exe acdrz.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
acdrz.exejqxx.exe502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.execmd.exePING.EXEdescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language acdrz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jqxx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 3132 cmd.exe 220 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
jqxx.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 jqxx.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString jqxx.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
jqxx.exepid process 4772 jqxx.exe 4772 jqxx.exe 4772 jqxx.exe 4772 jqxx.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
jqxx.exedescription pid process Token: SeDebugPrivilege 4772 jqxx.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exeacdrz.exepid process 3976 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe 4108 acdrz.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.execmd.exeacdrz.exedescription pid process target process PID 3976 wrote to memory of 3132 3976 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe cmd.exe PID 3976 wrote to memory of 3132 3976 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe cmd.exe PID 3976 wrote to memory of 3132 3976 502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe cmd.exe PID 3132 wrote to memory of 220 3132 cmd.exe PING.EXE PID 3132 wrote to memory of 220 3132 cmd.exe PING.EXE PID 3132 wrote to memory of 220 3132 cmd.exe PING.EXE PID 3132 wrote to memory of 4108 3132 cmd.exe acdrz.exe PID 3132 wrote to memory of 4108 3132 cmd.exe acdrz.exe PID 3132 wrote to memory of 4108 3132 cmd.exe acdrz.exe PID 4108 wrote to memory of 4772 4108 acdrz.exe jqxx.exe PID 4108 wrote to memory of 4772 4108 acdrz.exe jqxx.exe PID 4108 wrote to memory of 4772 4108 acdrz.exe jqxx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\acdrz.exe "C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:220 -
C:\Users\Admin\AppData\Local\Temp\acdrz.exeC:\Users\Admin\AppData\Local\Temp\\acdrz.exe "C:\Users\Admin\AppData\Local\Temp\502d83e8243537e0da988d8afef1b20e58ad89182425e67a7f59d258c8c751f2N.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4108 -
\??\c:\Program Files\cexfox\jqxx.exe"c:\Program Files\cexfox\jqxx.exe" "c:\Program Files\cexfox\jqxxq.dll",PraseHTML C:\Users\Admin\AppData\Local\Temp\acdrz.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4772
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
333KB
MD5631804d141e2b343abb16ff07c97e03b
SHA11132269fd8d83b7d17b5344d0cdd2374f35bcbc7
SHA256a393ce9c280228d4b5e2d985e9bc3e240d8607477d43629ec868a9bf84d004c9
SHA512c38e6c083da0301989d7a0308e173fbc69212f82e6dd85b238c79da28537919dffc4ef89914b6796284f9c08d1b9142e328deb90195638ded6390728bb978b77
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Filesize
149KB
MD58ea6891ca69db507ea0aed04ad1ba2dd
SHA1ae370068ad6988679af9c4da4ea653c66b66b249
SHA256be942def1db6b710fac44aa1eebe88acf33d0d569081f38e820aa99d88a11607
SHA51283258891be477ea5a0127d957b9fcdb9f9ac47e1f5940cdfeab0b324c522d51a2d0515b2a6571f8dc1a25e07d05e34b33bf67b45e6bc179cfb47a3b27c228edf