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Analysis

  • max time kernel
    138s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 01:44

General

  • Target

    1c6ec6d8a7d0be8a38b983777a66d3a0.exe

  • Size

    470KB

  • MD5

    1c6ec6d8a7d0be8a38b983777a66d3a0

  • SHA1

    7f4ffaab20d63c5995362ef4defd70c16e8694e1

  • SHA256

    15d74c4748b0157bfb6f22a8fef4471d48eb8091e785cc3ef42ac33f89244189

  • SHA512

    83913967f83c267ac06cf7c9cdb3943083e46fb536071107614bdf750e6bfe1e5f189adaf568bc02174125ac5992545ca8a26d2ed85a94fec1876ddae4750b40

  • SSDEEP

    6144:rXfzbu1V3OQQFQMRxpZL9yZuAGyZUy+4WJKpaWbP64LlwvfVriPF:rX7S1V3hQFQMRxxryZsBKpaaSHVriPF

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 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 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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 35 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c6ec6d8a7d0be8a38b983777a66d3a0.exe
    "C:\Users\Admin\AppData\Local\Temp\1c6ec6d8a7d0be8a38b983777a66d3a0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\u24k.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u24k.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3136
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 1132
        3⤵
        • Program crash
        PID:3624
    • C:\Users\Admin\AppData\Local\Temp\u24k.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u24k.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:4844
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4612
    • C:\Users\Admin\AppData\Local\Temp\u24k.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u24k.3.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:2184
      • 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:4572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 1188
      2⤵
      • Program crash
      PID:808
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2756 -ip 2756
    1⤵
      PID:4744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3136 -ip 3136
      1⤵
        PID:1212

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\9ad23aee

        Filesize

        1.4MB

        MD5

        82538b369114a9580c6e93b45fff8720

        SHA1

        0dad4e6841fbb7131fcf0a3cf368e5fde4d7c5a0

        SHA256

        65757caee87c57b49a57909e5a5d464680e97ae419788d3ea0866bcca133fb5c

        SHA512

        3c68a9d63df864fd36337cfe2710dab86e49fc18ccc16f3ea648cbbe535438ceb82abfd962d2de0693f7ba6b62234f8ff545c10b91b90134821842bae7ee097d

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        2KB

        MD5

        e0d8d97eb586ca344db2fdaa4ce610d2

        SHA1

        93b5f91f5a2ce3ba4fa2556bd862521b6e63e854

        SHA256

        d12be14900d7601381a5b2f675abb27ab3a7e5f956deffc1fbb9ed49c9916648

        SHA512

        3ac6436413ab6c3df7ee2f8ac8315b9c4d1e35c0997257bbfdf581fd372dbbb42073b3b63add5184e68a4578ba85bb8aab73c58292c84ebc2f52ade64cc37772

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        6042d082aa2f9ea06f5836bbe7609ef4

        SHA1

        9c054501d0070a4053e3727766dcb52f3412b169

        SHA256

        ac3675701988a6c258f68c8496074828978782b512348f10a39fdbc558756565

        SHA512

        77b2fd0066bef1f55308cb76b4ffafb6b95bdc96f20f69d707c38fdd0bc970ed86760777e0cb02622be65ddf83396692b2e3d7cd5e6b5fbed5728cd2a3b90c06

      • C:\Users\Admin\AppData\Local\Temp\tmpC7C6.tmp

        Filesize

        20KB

        MD5

        a603e09d617fea7517059b4924b1df93

        SHA1

        31d66e1496e0229c6a312f8be05da3f813b3fa9e

        SHA256

        ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

        SHA512

        eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

      • C:\Users\Admin\AppData\Local\Temp\tmpC7E9.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u24k.0.exe

        Filesize

        262KB

        MD5

        ef92ce35b564f1c40c75fc513fe11cc5

        SHA1

        21d28c08e0d79e741bd5d04f4e343846ca8c6d05

        SHA256

        36465ac7849d2877b2194f05394ac0c540054cc771b0d8d57810c6262c2fae3a

        SHA512

        b6618d10c9f094e7b1fef524da5abe2ab248c0addad699779328431a0b83ac73fedca162e6682dc081bf884d31ee6231265c00263fa23fdd9799c8f662f4e6f0

      • C:\Users\Admin\AppData\Local\Temp\u24k.1.zip

        Filesize

        1.6MB

        MD5

        9bb67e904ac371b5ffd143f8fb54e1e2

        SHA1

        58009e463133af8b89b59716fe255b118eca872c

        SHA256

        44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

        SHA512

        573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

      • C:\Users\Admin\AppData\Local\Temp\u24k.2\ASUS_WMI.dll

        Filesize

        224KB

        MD5

        3f109a02c8d642e8003a1188df40d861

        SHA1

        f723f38471b8872443aa9177eef12a96c02cc84a

        SHA256

        6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

        SHA512

        023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

      • C:\Users\Admin\AppData\Local\Temp\u24k.2\ATKEX.dll

        Filesize

        84KB

        MD5

        e68562f63265e1a70881446b4b9dc455

        SHA1

        da16ef9367bde3ce892b1a0e33bc179d8acdceb3

        SHA256

        c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

        SHA512

        6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

      • C:\Users\Admin\AppData\Local\Temp\u24k.2\AsIO.dll

        Filesize

        120KB

        MD5

        f383f6f4e764619bd19e319335d3ef2b

        SHA1

        99f287e49a15e495b4ead8e5589364a5f87b357e

        SHA256

        03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

        SHA512

        6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

      • C:\Users\Admin\AppData\Local\Temp\u24k.2\doubled.doc

        Filesize

        1.2MB

        MD5

        f344794dc910dc343f92ded2c6b5e0ab

        SHA1

        e5878518ce55ce5bd1890d5e04a82eb22d5a848a

        SHA256

        3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

        SHA512

        ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

      • C:\Users\Admin\AppData\Local\Temp\u24k.2\protactinium.log

        Filesize

        84KB

        MD5

        a276acc3fd657d7665bd4ddce8fb9749

        SHA1

        c02642eec3f4e8b0314045ee95e0a15abd853ea8

        SHA256

        6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

        SHA512

        178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

      • C:\Users\Admin\AppData\Local\Temp\u24k.2\run.exe

        Filesize

        446KB

        MD5

        485008b43f0edceba0e0d3ca04bc1c1a

        SHA1

        55ae8f105af415bb763d1b87f6572f078052877c

        SHA256

        12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

        SHA512

        402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

      • C:\Users\Admin\AppData\Local\Temp\u24k.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1776-116-0x00007FF9B81D0000-0x00007FF9B83C5000-memory.dmp

        Filesize

        2.0MB

      • memory/1776-115-0x00000000732D0000-0x000000007344B000-memory.dmp

        Filesize

        1.5MB

      • memory/1776-142-0x00000000732D0000-0x000000007344B000-memory.dmp

        Filesize

        1.5MB

      • memory/2184-174-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2184-162-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2756-1-0x0000000001D30000-0x0000000001E30000-memory.dmp

        Filesize

        1024KB

      • memory/2756-136-0x0000000000400000-0x0000000001A3F000-memory.dmp

        Filesize

        22.2MB

      • memory/2756-137-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2756-3-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2756-2-0x0000000001BA0000-0x0000000001C0D000-memory.dmp

        Filesize

        436KB

      • memory/3136-250-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/3136-248-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/3136-246-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/3136-243-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/3136-212-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/3136-204-0x0000000000400000-0x0000000002AFE000-memory.dmp

        Filesize

        39.0MB

      • memory/4572-186-0x000001C8EC990000-0x000001C8EC99A000-memory.dmp

        Filesize

        40KB

      • memory/4572-197-0x000001C8F2D80000-0x000001C8F2DE2000-memory.dmp

        Filesize

        392KB

      • memory/4572-184-0x000001C8ED860000-0x000001C8ED8B0000-memory.dmp

        Filesize

        320KB

      • memory/4572-185-0x000001C8ECA10000-0x000001C8ECA32000-memory.dmp

        Filesize

        136KB

      • memory/4572-182-0x000001C8EC9B0000-0x000001C8EC9DA000-memory.dmp

        Filesize

        168KB

      • memory/4572-190-0x000001C8ED8B0000-0x000001C8EDBB0000-memory.dmp

        Filesize

        3.0MB

      • memory/4572-192-0x000001C8F22B0000-0x000001C8F22B8000-memory.dmp

        Filesize

        32KB

      • memory/4572-193-0x000001C8F1BF0000-0x000001C8F1C28000-memory.dmp

        Filesize

        224KB

      • memory/4572-194-0x000001C8F1BC0000-0x000001C8F1BCE000-memory.dmp

        Filesize

        56KB

      • memory/4572-195-0x000001C8F1BE0000-0x000001C8F1BE8000-memory.dmp

        Filesize

        32KB

      • memory/4572-196-0x000001C8F2AC0000-0x000001C8F2ACA000-memory.dmp

        Filesize

        40KB

      • memory/4572-179-0x000001C8EB260000-0x000001C8EB274000-memory.dmp

        Filesize

        80KB

      • memory/4572-198-0x000001C8F2AF0000-0x000001C8F2B12000-memory.dmp

        Filesize

        136KB

      • memory/4572-199-0x000001C8F3310000-0x000001C8F3838000-memory.dmp

        Filesize

        5.2MB

      • memory/4572-202-0x000001C8F2B10000-0x000001C8F2B1C000-memory.dmp

        Filesize

        48KB

      • memory/4572-203-0x000001C8F2BF0000-0x000001C8F2C66000-memory.dmp

        Filesize

        472KB

      • memory/4572-181-0x000001C8EC980000-0x000001C8EC98A000-memory.dmp

        Filesize

        40KB

      • memory/4572-175-0x000001C8E7420000-0x000001C8EAC54000-memory.dmp

        Filesize

        56.2MB

      • memory/4572-206-0x000001C8F2B50000-0x000001C8F2B6E000-memory.dmp

        Filesize

        120KB

      • memory/4572-183-0x000001C8ED520000-0x000001C8ED5D2000-memory.dmp

        Filesize

        712KB

      • memory/4572-180-0x000001C8EC950000-0x000001C8EC974000-memory.dmp

        Filesize

        144KB

      • memory/4572-176-0x000001C8ED610000-0x000001C8ED71A000-memory.dmp

        Filesize

        1.0MB

      • memory/4572-178-0x000001C8EB270000-0x000001C8EB27C000-memory.dmp

        Filesize

        48KB

      • memory/4572-177-0x000001C8EB090000-0x000001C8EB0A0000-memory.dmp

        Filesize

        64KB

      • memory/4612-209-0x0000000071DA0000-0x0000000072FF4000-memory.dmp

        Filesize

        18.3MB

      • memory/4612-217-0x0000000004E40000-0x0000000004EB6000-memory.dmp

        Filesize

        472KB

      • memory/4612-218-0x0000000004EC0000-0x0000000004F10000-memory.dmp

        Filesize

        320KB

      • memory/4612-219-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

        Filesize

        40KB

      • memory/4612-220-0x0000000005F50000-0x000000000647C000-memory.dmp

        Filesize

        5.2MB

      • memory/4612-221-0x0000000005A40000-0x0000000005A5E000-memory.dmp

        Filesize

        120KB

      • memory/4612-222-0x0000000005B30000-0x0000000005B96000-memory.dmp

        Filesize

        408KB

      • memory/4612-216-0x0000000004F90000-0x0000000005152000-memory.dmp

        Filesize

        1.8MB

      • memory/4612-215-0x0000000005370000-0x0000000005914000-memory.dmp

        Filesize

        5.6MB

      • memory/4612-241-0x0000000007410000-0x000000000741A000-memory.dmp

        Filesize

        40KB

      • memory/4612-214-0x0000000004D20000-0x0000000004DB2000-memory.dmp

        Filesize

        584KB

      • memory/4612-213-0x0000000000600000-0x00000000006C6000-memory.dmp

        Filesize

        792KB

      • memory/4844-205-0x00000000732D0000-0x000000007344B000-memory.dmp

        Filesize

        1.5MB

      • memory/4844-160-0x00007FF9B81D0000-0x00007FF9B83C5000-memory.dmp

        Filesize

        2.0MB