Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-11-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe
Resource
win10v2004-20241007-en
General
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Target
54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe
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Size
410KB
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MD5
e62821ca3e227ea0dcf49df005e0b991
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SHA1
5051c0a586fadc90ae517d392fef451fd18d6f44
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SHA256
54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8
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SHA512
03e9dcdaddf891ad81572a94c2c49688754695c59892a99fd4e0c783088e5fcd836cce229645e54a56dbbbff83bd87b28f3bc7422db24ff916dac4643e620eb4
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse
Malware Config
Signatures
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Blocklisted process makes network request 8 IoCs
Processes:
rundll32.exeflow pid process 16 2236 rundll32.exe 22 2236 rundll32.exe 23 2236 rundll32.exe 24 2236 rundll32.exe 38 2236 rundll32.exe 39 2236 rundll32.exe 42 2236 rundll32.exe 47 2236 rundll32.exe -
Deletes itself 1 IoCs
Processes:
hjpsw.exepid process 3568 hjpsw.exe -
Executes dropped EXE 1 IoCs
Processes:
hjpsw.exepid process 3568 hjpsw.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2236 rundll32.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:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\cndiy\\jwooj.dll\",Verify" rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\z: rundll32.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:
rundll32.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 2236 rundll32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
hjpsw.exedescription ioc process File opened for modification \??\c:\Program Files\cndiy hjpsw.exe File created \??\c:\Program Files\cndiy\jwooj.dll hjpsw.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:
54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.execmd.exePING.EXEhjpsw.exerundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hjpsw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.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 2300 cmd.exe 2460 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe 2236 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 2236 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exehjpsw.exepid process 2336 54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe 3568 hjpsw.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.execmd.exehjpsw.exedescription pid process target process PID 2336 wrote to memory of 2300 2336 54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe cmd.exe PID 2336 wrote to memory of 2300 2336 54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe cmd.exe PID 2336 wrote to memory of 2300 2336 54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe cmd.exe PID 2300 wrote to memory of 2460 2300 cmd.exe PING.EXE PID 2300 wrote to memory of 2460 2300 cmd.exe PING.EXE PID 2300 wrote to memory of 2460 2300 cmd.exe PING.EXE PID 2300 wrote to memory of 3568 2300 cmd.exe hjpsw.exe PID 2300 wrote to memory of 3568 2300 cmd.exe hjpsw.exe PID 2300 wrote to memory of 3568 2300 cmd.exe hjpsw.exe PID 3568 wrote to memory of 2236 3568 hjpsw.exe rundll32.exe PID 3568 wrote to memory of 2236 3568 hjpsw.exe rundll32.exe PID 3568 wrote to memory of 2236 3568 hjpsw.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe"C:\Users\Admin\AppData\Local\Temp\54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hjpsw.exe "C:\Users\Admin\AppData\Local\Temp\54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
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:2460 -
C:\Users\Admin\AppData\Local\Temp\hjpsw.exeC:\Users\Admin\AppData\Local\Temp\\hjpsw.exe "C:\Users\Admin\AppData\Local\Temp\54fcac70431b432f35751c308c028ff35350b3cf3019a0bdd28d3d80b8db4ed8.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:3568 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\cndiy\jwooj.dll",Verify C:\Users\Admin\AppData\Local\Temp\hjpsw.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2236
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
410KB
MD5868ca73a357449cc208af21a7892b103
SHA1f8d2a13d64d584cd8b3b0b52417e53a5b3361adf
SHA2562a34549096f7cadf16ab5ce5409c10663baa1ff92f68599b0d1024fbd5592524
SHA5123fb95c92f5d00a7f0e3b03abff8f0bad3dd5e5f87480f6337a5f9a7431f59a812798d4f95eac3e26c4644b2b62ccafa15583a8c884b044be84b3413f2026fef5
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Filesize
228KB
MD5cf7837de27715bb2e53ee2106774291f
SHA1d0f09cd923164727d3b53a1454afb4b7235dee8e
SHA256c1aa8a9917294dc79aef47e4f0efaf37cdb85ac9385d8865d2086d12923b4b55
SHA5120be42548c55fe9f0985aa7ad422ad7cc764d266707f60e426fd1502b4bcac77ab7129cfdf9b7b8d84e71fb3a3fab35c8a250b79c24ea4c18223152288afecfba