Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-04-2024 12:32

General

  • Target

    5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe

  • Size

    419KB

  • MD5

    21447adc4982eb273300367dece5bfec

  • SHA1

    c017eba72e66ba7a52dace54af6ff6796cad86bb

  • SHA256

    5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c

  • SHA512

    bebbb510e7ff94957f7865e7ce250917786bc2ab8bb6ae2c84e5d5ad972dade5761d8d3942e524a3ec4ccf70d9fe4d90f8c91d0e05edd62995cebee4e3468650

  • SSDEEP

    6144:JWigHbPbnW5OdaZLB+zKwTTfRLpEGzYSIpB5Apy3E6f:JZ2zzsZN+JTTlptIp7AIU6f

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.76

Attributes
  • url_path

    /3cd2b41cbde8fc9c.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 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 32 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 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe
    "C:\Users\Admin\AppData\Local\Temp\5b9c150e2c1c77bdd1f1f8fa35e9b3ff38d32182e2d0be0e9c438676fd10680c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\u2bk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2bk.0.exe"
      2⤵
      • Executes dropped EXE
      PID:3556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 1284
        3⤵
        • Program crash
        PID:2088
    • C:\Users\Admin\AppData\Local\Temp\u2bk.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2bk.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3120
      • 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:4056
        • 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:824
    • C:\Users\Admin\AppData\Local\Temp\u2bk.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2bk.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:2296
      • 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:3524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 1696
      2⤵
      • Program crash
      PID:3172
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3556 -ip 3556
    1⤵
      PID:4200
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3008 -ip 3008
      1⤵
        PID:4684

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\2a667d51

        Filesize

        1.4MB

        MD5

        f518f22b40a9e121d53699cea824a286

        SHA1

        539b82ef2e0dafd393b6a984ad1246759851e572

        SHA256

        ba67f23f3105ae657a063d1122b244da2ad3c9e348eff0af8e969fdf71439c96

        SHA512

        c828292be4a14943973cb8e18d7d99cfbedcf12b26cfce450c307fd8e4be85ad31ee3d9e4c28da7a9db152ae83c492b765454e860cd7d1267ec77eba7ed64de3

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

        Filesize

        3KB

        MD5

        20667732a9ab6d9b33ece33796be0326

        SHA1

        55a2af7d0ff9afa1f27f8acfaae06fcc870749b6

        SHA256

        537f03cbab87d5721ffcf8ede2b5d5f882871d013c99314dc296557dd25fb290

        SHA512

        8fcb134717d2df8de6d68401c316ce322746795e988e17ae7a8ce1dabcbd3ae14d6960f6d81cab759fe77887b6cff750ab1ce8ae2b02eb39c69041c633e39900

      • C:\Users\Admin\AppData\Local\Temp\tmp602E.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp6050.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u2bk.0.exe

        Filesize

        275KB

        MD5

        678d5e7b91062c3b4c1ea39343cda69a

        SHA1

        d73be2edfa050ee9ac434b310af55210b64375cf

        SHA256

        3d4faa1e7f7466857b35c91bda2637ea24783903e14a94ee43508118b56ed17c

        SHA512

        c10a51fa3e8788c8a726af11573014307bf5e47db65ca769db51af9ef751aaf02cc38fec7bc6a8752d3736a4fc68795289df26bd1dd3c945951bec1d7945df8d

      • C:\Users\Admin\AppData\Local\Temp\u2bk.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u2bk.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u2bk.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u2bk.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u2bk.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u2bk.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u2bk.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/824-141-0x0000000006420000-0x000000000694C000-memory.dmp

        Filesize

        5.2MB

      • memory/824-143-0x0000000005F90000-0x0000000005FF6000-memory.dmp

        Filesize

        408KB

      • memory/824-137-0x0000000005290000-0x00000000052E0000-memory.dmp

        Filesize

        320KB

      • memory/824-136-0x0000000005340000-0x00000000053B6000-memory.dmp

        Filesize

        472KB

      • memory/824-135-0x0000000005510000-0x00000000056D2000-memory.dmp

        Filesize

        1.8MB

      • memory/824-202-0x00000000077F0000-0x00000000077FA000-memory.dmp

        Filesize

        40KB

      • memory/824-164-0x0000000005330000-0x0000000005340000-memory.dmp

        Filesize

        64KB

      • memory/824-162-0x0000000072BB0000-0x0000000073360000-memory.dmp

        Filesize

        7.7MB

      • memory/824-134-0x0000000005330000-0x0000000005340000-memory.dmp

        Filesize

        64KB

      • memory/824-133-0x0000000005840000-0x0000000005DE4000-memory.dmp

        Filesize

        5.6MB

      • memory/824-132-0x0000000005180000-0x0000000005212000-memory.dmp

        Filesize

        584KB

      • memory/824-131-0x0000000072BB0000-0x0000000073360000-memory.dmp

        Filesize

        7.7MB

      • memory/824-130-0x0000000000C00000-0x0000000000CC6000-memory.dmp

        Filesize

        792KB

      • memory/824-126-0x00000000711A0000-0x00000000723F4000-memory.dmp

        Filesize

        18.3MB

      • memory/824-142-0x00000000057F0000-0x000000000580E000-memory.dmp

        Filesize

        120KB

      • memory/824-139-0x0000000005220000-0x000000000522A000-memory.dmp

        Filesize

        40KB

      • memory/2296-214-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2296-177-0x0000000002540000-0x0000000002541000-memory.dmp

        Filesize

        4KB

      • memory/3008-19-0x0000000000BA0000-0x0000000000CA0000-memory.dmp

        Filesize

        1024KB

      • memory/3008-1-0x0000000000BA0000-0x0000000000CA0000-memory.dmp

        Filesize

        1024KB

      • memory/3008-3-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3008-2-0x0000000002640000-0x00000000026AD000-memory.dmp

        Filesize

        436KB

      • memory/3008-114-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3008-176-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3008-17-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3120-115-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/3120-113-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/3120-105-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/3120-106-0x00007FFB7F210000-0x00007FFB7F405000-memory.dmp

        Filesize

        2.0MB

      • memory/3120-112-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/3524-242-0x000001DE37FF0000-0x000001DE38012000-memory.dmp

        Filesize

        136KB

      • memory/3524-257-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-258-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-229-0x000001DE19E80000-0x000001DE19E8A000-memory.dmp

        Filesize

        40KB

      • memory/3524-256-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-255-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-254-0x000001DE33100000-0x000001DE33124000-memory.dmp

        Filesize

        144KB

      • memory/3524-253-0x00007FFB5E570000-0x00007FFB5F031000-memory.dmp

        Filesize

        10.8MB

      • memory/3524-252-0x000001DE33100000-0x000001DE33124000-memory.dmp

        Filesize

        144KB

      • memory/3524-215-0x00007FFB5E570000-0x00007FFB5F031000-memory.dmp

        Filesize

        10.8MB

      • memory/3524-216-0x000001DE147A0000-0x000001DE18098000-memory.dmp

        Filesize

        57.0MB

      • memory/3524-217-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-218-0x000001DE32840000-0x000001DE32950000-memory.dmp

        Filesize

        1.1MB

      • memory/3524-219-0x000001DE19D60000-0x000001DE19D70000-memory.dmp

        Filesize

        64KB

      • memory/3524-220-0x000001DE32820000-0x000001DE3282C000-memory.dmp

        Filesize

        48KB

      • memory/3524-221-0x000001DE32810000-0x000001DE32824000-memory.dmp

        Filesize

        80KB

      • memory/3524-228-0x000001DE32D60000-0x000001DE32DD6000-memory.dmp

        Filesize

        472KB

      • memory/3524-223-0x000001DE19E70000-0x000001DE19E7A000-memory.dmp

        Filesize

        40KB

      • memory/3524-224-0x000001DE32B10000-0x000001DE32BC2000-memory.dmp

        Filesize

        712KB

      • memory/3524-225-0x000001DE32BC0000-0x000001DE32BEA000-memory.dmp

        Filesize

        168KB

      • memory/3524-226-0x000001DE32BF0000-0x000001DE32C6A000-memory.dmp

        Filesize

        488KB

      • memory/3524-227-0x000001DE32C80000-0x000001DE32CE2000-memory.dmp

        Filesize

        392KB

      • memory/3524-233-0x000001DE32DE0000-0x000001DE330E0000-memory.dmp

        Filesize

        3.0MB

      • memory/3524-250-0x000001DE33430000-0x000001DE3344E000-memory.dmp

        Filesize

        120KB

      • memory/3524-222-0x000001DE329A0000-0x000001DE329C4000-memory.dmp

        Filesize

        144KB

      • memory/3524-235-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-236-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-237-0x000001DE377D0000-0x000001DE377D8000-memory.dmp

        Filesize

        32KB

      • memory/3524-238-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3524-239-0x000001DE37110000-0x000001DE37148000-memory.dmp

        Filesize

        224KB

      • memory/3524-240-0x000001DE370E0000-0x000001DE370EE000-memory.dmp

        Filesize

        56KB

      • memory/3524-241-0x000001DE38270000-0x000001DE3827A000-memory.dmp

        Filesize

        40KB

      • memory/3524-249-0x000001DE33400000-0x000001DE33422000-memory.dmp

        Filesize

        136KB

      • memory/3524-243-0x000001DE387B0000-0x000001DE38CD8000-memory.dmp

        Filesize

        5.2MB

      • memory/3524-246-0x000001DE33130000-0x000001DE33180000-memory.dmp

        Filesize

        320KB

      • memory/3524-247-0x000001DE330E0000-0x000001DE330EC000-memory.dmp

        Filesize

        48KB

      • memory/3524-248-0x000001DE19E90000-0x000001DE19EA0000-memory.dmp

        Filesize

        64KB

      • memory/3556-13-0x0000000000A50000-0x0000000000B50000-memory.dmp

        Filesize

        1024KB

      • memory/3556-14-0x00000000009B0000-0x00000000009D7000-memory.dmp

        Filesize

        156KB

      • memory/3556-15-0x0000000000400000-0x0000000000846000-memory.dmp

        Filesize

        4.3MB

      • memory/3556-16-0x0000000000400000-0x0000000000846000-memory.dmp

        Filesize

        4.3MB

      • memory/4056-127-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/4056-117-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/4056-124-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/4056-123-0x00000000726D0000-0x000000007284B000-memory.dmp

        Filesize

        1.5MB

      • memory/4056-119-0x00007FFB7F210000-0x00007FFB7F405000-memory.dmp

        Filesize

        2.0MB