Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 11:30

General

  • Target

    871aba48f83ffff6c8ffa062548e7500_NEIKI.exe

  • Size

    417KB

  • MD5

    871aba48f83ffff6c8ffa062548e7500

  • SHA1

    c81b112aff8e1d2921e0fa0c85e715c5f869565e

  • SHA256

    e0755e81ddb11f45d9f10944d8cc5e3f4d772277aa20bb154c8ab2b3765a5512

  • SHA512

    5fe08e9523645532ee9949000805ce113b06961912bcf650c4b9aa80a54d3bc8903c75d2a17902eab3cb71f7cc5b39d291be5dfbab3cbc62b892eb85df780288

  • SSDEEP

    6144:Gvm5q7cumHxCrGqFot529roAosBXIwDT6Wg1dHN8pQUfFZpYY8pS/rUUwKOgYtaq:Gvqq7cumorCFKpnq/OFr8pvKStK6

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\871aba48f83ffff6c8ffa062548e7500_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\871aba48f83ffff6c8ffa062548e7500_NEIKI.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Users\Admin\AppData\Local\Temp\u2fk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2fk.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3976
    • C:\Users\Admin\AppData\Local\Temp\u2fk.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2fk.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 1180
      2⤵
      • Program crash
      PID:1544
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3152 -ip 3152
    1⤵
      PID:4776
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4312

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u2fk.0.exe

        Filesize

        226KB

        MD5

        8cb22c6d983d9e4c3d48df67207e888f

        SHA1

        a2ddf20c0854f12fa40802d9b9df5fb6ee287089

        SHA256

        feb7155e62062e6f3f7ab92c1702b36315a1aebad706741d939bde25de43002d

        SHA512

        5ae36d56e576ccdbefc2a7ab151eb72f5e6aaf0b6e0ae72eb58e9073e2a05cc485046865e1a9764acd2cc18ba69f844cb27b3deeba8a5baac02a8a13a7ba20ea

      • C:\Users\Admin\AppData\Local\Temp\u2fk.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1604-79-0x0000027AC3A40000-0x0000027AC3A4C000-memory.dmp

        Filesize

        48KB

      • memory/1604-78-0x0000027AC3A20000-0x0000027AC3A30000-memory.dmp

        Filesize

        64KB

      • memory/1604-83-0x0000027AC3F60000-0x0000027AC3F8A000-memory.dmp

        Filesize

        168KB

      • memory/1604-81-0x0000027AC3C70000-0x0000027AC3C94000-memory.dmp

        Filesize

        144KB

      • memory/1604-107-0x0000027AC8C40000-0x0000027AC8C5E000-memory.dmp

        Filesize

        120KB

      • memory/1604-106-0x0000027AC8CE0000-0x0000027AC8D56000-memory.dmp

        Filesize

        472KB

      • memory/1604-104-0x0000027AC8BE0000-0x0000027AC8C10000-memory.dmp

        Filesize

        192KB

      • memory/1604-103-0x0000027AC8BD0000-0x0000027AC8BDC000-memory.dmp

        Filesize

        48KB

      • memory/1604-100-0x0000027AC9B10000-0x0000027ACA038000-memory.dmp

        Filesize

        5.2MB

      • memory/1604-98-0x0000027AC8B50000-0x0000027AC8BB2000-memory.dmp

        Filesize

        392KB

      • memory/1604-99-0x0000027AC8BB0000-0x0000027AC8BD2000-memory.dmp

        Filesize

        136KB

      • memory/1604-97-0x0000027AC95D0000-0x0000027AC95DA000-memory.dmp

        Filesize

        40KB

      • memory/1604-96-0x0000027AC8450000-0x0000027AC8458000-memory.dmp

        Filesize

        32KB

      • memory/1604-86-0x0000027AC40F0000-0x0000027AC4112000-memory.dmp

        Filesize

        136KB

      • memory/1604-85-0x0000027AC40A0000-0x0000027AC40F0000-memory.dmp

        Filesize

        320KB

      • memory/1604-82-0x0000027AC3F40000-0x0000027AC3F4A000-memory.dmp

        Filesize

        40KB

      • memory/1604-75-0x0000027AA5C90000-0x0000027AA94C4000-memory.dmp

        Filesize

        56.2MB

      • memory/1604-84-0x0000027AC3FA0000-0x0000027AC4052000-memory.dmp

        Filesize

        712KB

      • memory/1604-77-0x0000027AC3CA0000-0x0000027AC3DAA000-memory.dmp

        Filesize

        1.0MB

      • memory/1604-87-0x0000027AAB0F0000-0x0000027AAB0FA000-memory.dmp

        Filesize

        40KB

      • memory/1604-94-0x0000027AC8460000-0x0000027AC8498000-memory.dmp

        Filesize

        224KB

      • memory/1604-80-0x0000027AC3A30000-0x0000027AC3A44000-memory.dmp

        Filesize

        80KB

      • memory/1604-95-0x0000027AC8430000-0x0000027AC843E000-memory.dmp

        Filesize

        56KB

      • memory/1604-93-0x0000027AC8B20000-0x0000027AC8B28000-memory.dmp

        Filesize

        32KB

      • memory/1604-91-0x0000027AC4120000-0x0000027AC4420000-memory.dmp

        Filesize

        3.0MB

      • memory/2568-74-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2568-73-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2568-60-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3152-43-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3152-20-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3152-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3152-15-0x0000000001D80000-0x0000000001E80000-memory.dmp

        Filesize

        1024KB

      • memory/3152-1-0x0000000001D80000-0x0000000001E80000-memory.dmp

        Filesize

        1024KB

      • memory/3152-5-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3152-19-0x0000000003820000-0x000000000388C000-memory.dmp

        Filesize

        432KB

      • memory/3152-35-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/3152-2-0x0000000003820000-0x000000000388C000-memory.dmp

        Filesize

        432KB

      • memory/3976-76-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3976-37-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3976-18-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3976-17-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3976-16-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3976-110-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3976-114-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3976-117-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB