Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 14:47

General

  • Target

    7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a.exe

  • Size

    780KB

  • MD5

    53634e768575e91e9b89543fb47dca4c

  • SHA1

    4151261b147b5b22057dda171b9f024de0b01d46

  • SHA256

    7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a

  • SHA512

    49afb63b3f0f3f986365875a450fdadf865822cbc41b62253d2c2b5c96993bf6883096a96927dd9872861f72c31012bd224243a592e39bd009bb3960d3e37f87

  • SSDEEP

    12288:1rfXXHjivz4mL/ybmDw1IwjfkM8aCDwjU3qhiqxjExqMHDFACuvFd:1rfDiyaDw+yMMdC2U6Dw4sDF4

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Loads dropped DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a.exe
    "C:\Users\Admin\AppData\Local\Temp\7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JdlPFHWpQXC.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2568
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JdlPFHWpQXC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D65.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2540
    • C:\Users\Admin\AppData\Local\Temp\7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a.exe
      "C:\Users\Admin\AppData\Local\Temp\7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a.exe"
      2⤵
      • Loads dropped DLL
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:2412

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4D65.tmp
    Filesize

    1KB

    MD5

    43783d2a3768b9f7b55a66436ebd01df

    SHA1

    7b236a8537c0996f6d1228580afc8a5554534a1b

    SHA256

    3c315963e3d3360d898493d7592eb7f822c1bcd630d508500afe5e474ba56743

    SHA512

    a58dcbdcd5da82d556a6829f6c727a0d284feacee2e563bcc9fd67f79e977f9df7cddd0c4a5c1768ba7e51a4fc9fddc450cdd9f1cb4ef7bcf07a075bd483fb21

  • C:\Users\Admin\AppData\Roaming\JDLPFH~1.EXE
    Filesize

    780KB

    MD5

    53634e768575e91e9b89543fb47dca4c

    SHA1

    4151261b147b5b22057dda171b9f024de0b01d46

    SHA256

    7e4178777e66874affc0c4e95846d4fadd7b9d39252ef984ede3e13ffdf0140a

    SHA512

    49afb63b3f0f3f986365875a450fdadf865822cbc41b62253d2c2b5c96993bf6883096a96927dd9872861f72c31012bd224243a592e39bd009bb3960d3e37f87

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    759f400d1d9e39ae91352dd6005e8afd

    SHA1

    93c8871d522457ffa197504968554ec046752aae

    SHA256

    406cab106d8867a246ec26a399a3916c38c2c2d67edd83411bc61b788a55e303

    SHA512

    1b8a3c8208dec3f08814afc44d5c06490a098f73af64083744d94bdebda7ac1ee095d58581ca4f611f43593fd6978c6a1a51b35dbdb3e74c1107e331ce900858

  • C:\Windows\svchost.com
    Filesize

    40KB

    MD5

    f605c7dcb3ec017d4f7e48b450adb998

    SHA1

    eeeea0d6f923c82f3f3490deba323ee5121cda13

    SHA256

    22614585cebaadfe4332322c0fcd368fd402bbca8e83e7fe90e59a2bf993275b

    SHA512

    b264681b2856a4e71fbee7d88369fc2165bb5ba930a50aac4f2e6e6e40a0245cf3a407ae1120a771c1357163b221b6a2d60fe13aaa5573f98a4bbde0bb778379

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2080-3-0x0000000000950000-0x0000000000964000-memory.dmp
    Filesize

    80KB

  • memory/2080-6-0x0000000005FB0000-0x0000000006036000-memory.dmp
    Filesize

    536KB

  • memory/2080-5-0x00000000009E0000-0x00000000009EC000-memory.dmp
    Filesize

    48KB

  • memory/2080-4-0x00000000009D0000-0x00000000009D8000-memory.dmp
    Filesize

    32KB

  • memory/2080-0-0x0000000001360000-0x000000000142A000-memory.dmp
    Filesize

    808KB

  • memory/2080-2-0x0000000004930000-0x0000000004970000-memory.dmp
    Filesize

    256KB

  • memory/2080-1-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2080-30-0x00000000742C0000-0x00000000749AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2412-29-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-48-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-25-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2412-28-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-23-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-22-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-31-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-21-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-127-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-19-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-20-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2412-24-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2568-45-0x000000006E620000-0x000000006EBCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2568-50-0x0000000002D40000-0x0000000002D80000-memory.dmp
    Filesize

    256KB

  • memory/2568-51-0x000000006E620000-0x000000006EBCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2568-43-0x0000000002D40000-0x0000000002D80000-memory.dmp
    Filesize

    256KB

  • memory/2568-39-0x000000006E620000-0x000000006EBCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2620-46-0x000000006E620000-0x000000006EBCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2620-47-0x0000000000450000-0x0000000000490000-memory.dmp
    Filesize

    256KB

  • memory/2620-44-0x0000000000450000-0x0000000000490000-memory.dmp
    Filesize

    256KB

  • memory/2620-49-0x0000000000450000-0x0000000000490000-memory.dmp
    Filesize

    256KB

  • memory/2620-52-0x000000006E620000-0x000000006EBCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2620-42-0x000000006E620000-0x000000006EBCB000-memory.dmp
    Filesize

    5.7MB