Resubmissions

13-04-2024 10:04

240413-l3z7yscg32 10

13-04-2024 10:00

240413-l1mtvacg22 10

Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13-04-2024 10:00

General

  • Target

    PO No. 44 Master Group Trading & Contracting.exe

  • Size

    815KB

  • MD5

    77fceb05a851e129ceac74ad35a49669

  • SHA1

    9b2d4653f5aa38a9fc64e0eca19268e4da547b79

  • SHA256

    dafe6d74868c243d4f818aab7c3f8d5d95b7d69aa1492e34e1e38d80d15e1532

  • SHA512

    e818dce4d5f7f323148dea9a0dea3e77f8bfdc2e3010735fd97d45e8a69ee3c1f2b658f142bd47e3ca2833307486555a6464f39a0e3169b8294c0d540a9df4f9

  • SSDEEP

    24576:PRuoOBrBlsQJKlQA3fqRCAL3V6wREYy9mE:PL0Bld6QA3S0ALlbREYy9m

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • 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\PO No. 44 Master Group Trading & Contracting.exe
    "C:\Users\Admin\AppData\Local\Temp\PO No. 44 Master Group Trading & Contracting.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2004
    • 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\PO No. 44 Master Group Trading & Contracting.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QxvrCwK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QxvrCwK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5438.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2456
    • C:\Users\Admin\AppData\Local\Temp\PO No. 44 Master Group Trading & Contracting.exe
      "C:\Users\Admin\AppData\Local\Temp\PO No. 44 Master Group Trading & Contracting.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:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{9A861~1\ose.exe

    Filesize

    186KB

    MD5

    e33fd58013493b59b3dfddb983a37927

    SHA1

    887015c06a5ae1d10d890bceeb6c1f9a95e27a72

    SHA256

    a63ed28f75de225b0ec2020c253f9cb397a7282812d6aa6bb9d47d8dc4548b39

    SHA512

    5e25bdf22997367c828454eda5f3f4a51c11f8c7fd5c26cbe00d8a339652df9c48fb8bfec2754977ffa82e55dd1de1421765d88c06617cc9360e92332f052371

  • C:\Users\Admin\AppData\Local\Temp\tmp5438.tmp

    Filesize

    1KB

    MD5

    3134cb6dc9a251692a2eaaa7cb9057c8

    SHA1

    49c11ed40bd47093de6c669a87e406e330a258ce

    SHA256

    3de4b4de41bed4518acb3300fb75eee0ca7e161f219224dca20d906f5cc8ef4a

    SHA512

    57ca3c27f8b753c742007380494e4ac856ff56f9192e522f1e1906783e331597e36a520d887f18d5c74d5ce192c1310d84bf7b4280fe3ec0875787f0cf91e8f0

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YLTV4YALF482VXZI7C9U.temp

    Filesize

    7KB

    MD5

    24068134b288c9515a01852a37f9b67d

    SHA1

    57201b8e5a7b12880535952b54095580cd772bdf

    SHA256

    4119a2179790f86689aaec9cb61d5842c1166edc9038441938f1663170952510

    SHA512

    dee6fe95b6cba410b57f287401d488de6d392daf40126f667b77aad429d533a1175f0e8f95b5c673de935e543e12c11f8fb4c9a12963b8f5436807f757096e18

  • C:\Users\Admin\AppData\Roaming\QxvrCwK.exe

    Filesize

    815KB

    MD5

    77fceb05a851e129ceac74ad35a49669

    SHA1

    9b2d4653f5aa38a9fc64e0eca19268e4da547b79

    SHA256

    dafe6d74868c243d4f818aab7c3f8d5d95b7d69aa1492e34e1e38d80d15e1532

    SHA512

    e818dce4d5f7f323148dea9a0dea3e77f8bfdc2e3010735fd97d45e8a69ee3c1f2b658f142bd47e3ca2833307486555a6464f39a0e3169b8294c0d540a9df4f9

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

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/2004-6-0x0000000005C50000-0x0000000005CDC000-memory.dmp

    Filesize

    560KB

  • memory/2004-5-0x0000000000470000-0x000000000047C000-memory.dmp

    Filesize

    48KB

  • memory/2004-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

    Filesize

    32KB

  • memory/2004-3-0x0000000000390000-0x00000000003AC000-memory.dmp

    Filesize

    112KB

  • memory/2004-0-0x0000000000F40000-0x0000000001012000-memory.dmp

    Filesize

    840KB

  • memory/2004-40-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2004-2-0x0000000004F80000-0x0000000004FC0000-memory.dmp

    Filesize

    256KB

  • memory/2004-1-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2604-20-0x000000006E3A0000-0x000000006E94B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-26-0x000000006E3A0000-0x000000006E94B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-51-0x000000006E3A0000-0x000000006E94B000-memory.dmp

    Filesize

    5.7MB

  • memory/2604-30-0x0000000002E50000-0x0000000002E90000-memory.dmp

    Filesize

    256KB

  • memory/2604-34-0x0000000002E50000-0x0000000002E90000-memory.dmp

    Filesize

    256KB

  • memory/2604-38-0x0000000002E50000-0x0000000002E90000-memory.dmp

    Filesize

    256KB

  • memory/2736-24-0x0000000000280000-0x00000000002C0000-memory.dmp

    Filesize

    256KB

  • memory/2736-52-0x000000006E3A0000-0x000000006E94B000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-28-0x000000006E3A0000-0x000000006E94B000-memory.dmp

    Filesize

    5.7MB

  • memory/2736-36-0x0000000000280000-0x00000000002C0000-memory.dmp

    Filesize

    256KB

  • memory/2736-32-0x0000000000280000-0x00000000002C0000-memory.dmp

    Filesize

    256KB

  • memory/2736-22-0x000000006E3A0000-0x000000006E94B000-memory.dmp

    Filesize

    5.7MB

  • memory/2748-19-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-37-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-31-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-41-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-39-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-43-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-29-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-25-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-23-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-21-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2748-127-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB