Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-09-2024 07:08
Static task
static1
Behavioral task
behavioral1
Sample
007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe
Resource
win10v2004-20240802-en
General
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Target
007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe
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Size
155KB
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MD5
b6c04642f8342c2429f6515174aefb6b
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SHA1
ce3ac4db6d8248d090c9e28727e9de1829d6083d
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SHA256
007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38
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SHA512
69d37ceb6bcd440a407d74a3357ec7e873296fb8a8b1dd0ed73d0731636d8911a1367e2553ec3799537bc8add6e9b132e8eac66b90155cba1c669908c208565e
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SSDEEP
3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI+:OPjEl6jLiQ1JW+Oy3p/T
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0002000000022d12-11.dat acprotect -
Deletes itself 1 IoCs
pid Process 4016 zjbvhjfy.exe -
Executes dropped EXE 2 IoCs
pid Process 4016 zjbvhjfy.exe 1564 vcrsshn.exe -
Loads dropped DLL 1 IoCs
pid Process 1564 vcrsshn.exe -
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\edily\\vcrsshn.exe \"c:\\Program Files\\edily\\vcrsshn.dll\",SetHandle" vcrsshn.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\r: vcrsshn.exe File opened (read-only) \??\a: vcrsshn.exe File opened (read-only) \??\g: vcrsshn.exe File opened (read-only) \??\h: vcrsshn.exe File opened (read-only) \??\k: vcrsshn.exe File opened (read-only) \??\l: vcrsshn.exe File opened (read-only) \??\o: vcrsshn.exe File opened (read-only) \??\j: vcrsshn.exe File opened (read-only) \??\m: vcrsshn.exe File opened (read-only) \??\n: vcrsshn.exe File opened (read-only) \??\t: vcrsshn.exe File opened (read-only) \??\y: vcrsshn.exe File opened (read-only) \??\i: vcrsshn.exe File opened (read-only) \??\p: vcrsshn.exe File opened (read-only) \??\q: vcrsshn.exe File opened (read-only) \??\u: vcrsshn.exe File opened (read-only) \??\z: vcrsshn.exe File opened (read-only) \??\b: vcrsshn.exe File opened (read-only) \??\e: vcrsshn.exe File opened (read-only) \??\s: vcrsshn.exe File opened (read-only) \??\v: vcrsshn.exe File opened (read-only) \??\w: vcrsshn.exe File opened (read-only) \??\x: vcrsshn.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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 vcrsshn.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created \??\c:\Program Files\edily\vcrsshn.exe zjbvhjfy.exe File opened for modification \??\c:\Program Files\edily\vcrsshn.exe zjbvhjfy.exe File opened for modification \??\c:\Program Files\edily zjbvhjfy.exe File created \??\c:\Program Files\edily\vcrsshn.dll zjbvhjfy.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.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 zjbvhjfy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vcrsshn.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1112 cmd.exe 2060 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString vcrsshn.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 vcrsshn.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2060 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1564 vcrsshn.exe 1564 vcrsshn.exe 1564 vcrsshn.exe 1564 vcrsshn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1564 vcrsshn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1480 007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe 4016 zjbvhjfy.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1480 wrote to memory of 1112 1480 007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe 85 PID 1480 wrote to memory of 1112 1480 007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe 85 PID 1480 wrote to memory of 1112 1480 007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe 85 PID 1112 wrote to memory of 2060 1112 cmd.exe 87 PID 1112 wrote to memory of 2060 1112 cmd.exe 87 PID 1112 wrote to memory of 2060 1112 cmd.exe 87 PID 1112 wrote to memory of 4016 1112 cmd.exe 90 PID 1112 wrote to memory of 4016 1112 cmd.exe 90 PID 1112 wrote to memory of 4016 1112 cmd.exe 90 PID 4016 wrote to memory of 1564 4016 zjbvhjfy.exe 91 PID 4016 wrote to memory of 1564 4016 zjbvhjfy.exe 91 PID 4016 wrote to memory of 1564 4016 zjbvhjfy.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe"C:\Users\Admin\AppData\Local\Temp\007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zjbvhjfy.exe "C:\Users\Admin\AppData\Local\Temp\007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1112 -
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:2060
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C:\Users\Admin\AppData\Local\Temp\zjbvhjfy.exeC:\Users\Admin\AppData\Local\Temp\\zjbvhjfy.exe "C:\Users\Admin\AppData\Local\Temp\007482257338743479fb25a3e1cd737d21f95f9605ad43d47fae6a220a754f38.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:4016 -
\??\c:\Program Files\edily\vcrsshn.exe"c:\Program Files\edily\vcrsshn.exe" "c:\Program Files\edily\vcrsshn.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\zjbvhjfy.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:1564
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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
1Replay Monitor
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Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
156KB
MD586f5afa5dd283a1c4df324ea725ab9db
SHA15a309cb19aa6a065d2a197e304d3beef5753f1bc
SHA256516da768bd17ce4c437ef8dc4fa6a10a4ae234c596409a9e217630d15b6bb6f6
SHA512776df11cfcccbaaee9f5bd53d5659c970ad7cb559780a29214141808d65dd868d56ad09f868f605adefccf4d6683bbc311aa408738ae172a22cfff5b361f6ea1
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Filesize
128KB
MD586b1ad72aea1eb1bdd8fda2f92853cad
SHA119d6909fb40ef3353a8a60266f45d254c4b1e0f6
SHA256142fa859d83d4f9017ef037ca56c73f95c1964160c6459b25c3ea2c3a91f81df
SHA5129df0fb25cb51df1c4c432f8008e4a8a3c4fcf9baa26454950041565fb2b9ec4ba7ea47f5476ae44d071f191699791e57775d815e6d782bce4207ef4648493ef7