Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-04-2024 12:31

General

  • Target

    fd26a37cf9de2cb332354d9306ead507d224ab393ccba9142677f456bc37d138.exe

  • Size

    419KB

  • MD5

    11a4b3e14dafd6cdcd197f0d2a875a78

  • SHA1

    fc091d943fd90306ca888c4eed587b088d462c7b

  • SHA256

    fd26a37cf9de2cb332354d9306ead507d224ab393ccba9142677f456bc37d138

  • SHA512

    5aacf483ced49da7b09c3bbc264c73c18d7e2eae3391d9949b581e8d7a7d82c96f1511115811dfb5598a35526451fb0a4557bca21584ee2f19fc483db3b96e87

  • SSDEEP

    6144:JWigHbPbnW5OdaZLB+zKwTTfRLpEGzYSIpB5Apy3E6a:JZ2zzsZN+JTTlptIp7AIU6a

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
  • 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 24 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\fd26a37cf9de2cb332354d9306ead507d224ab393ccba9142677f456bc37d138.exe
    "C:\Users\Admin\AppData\Local\Temp\fd26a37cf9de2cb332354d9306ead507d224ab393ccba9142677f456bc37d138.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\u2cs.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2cs.0.exe"
      2⤵
      • Executes dropped EXE
      PID:3008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 1108
        3⤵
        • Program crash
        PID:3392
    • C:\Users\Admin\AppData\Local\Temp\u2cs.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2cs.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:2004
      • 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:4780
        • 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:2368
    • C:\Users\Admin\AppData\Local\Temp\u2cs.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2cs.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4920
      • 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:2764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 1552
      2⤵
      • Program crash
      PID:3904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3008 -ip 3008
    1⤵
      PID:4272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3052 -ip 3052
      1⤵
        PID:4132

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\c0d273a9

        Filesize

        1.4MB

        MD5

        d73c2b9ec886d22ef609ad90490f7c8e

        SHA1

        b9c164246a00ca491c09c8789b9c06355bbb644e

        SHA256

        434c8646ca291a40c32efd2976160b9426b755332e23348c315162512a874d89

        SHA512

        439cccb0965a40927da8de5903c0423c4c91ca8f1484c6106f457ecf0197050db6d951abe6ff5aaa283f0d1360ebbe6d90ab785d30be1a8eb1a4beb4ea70f80f

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

        Filesize

        2KB

        MD5

        5dffddc30874ab45498f5f83259951fa

        SHA1

        dfe631e60d55f99de614797e17b66173d590fc61

        SHA256

        fbd853e47ea567236cb0942ebc5d0cc5276d242c9b5793738557206c73f8d0f8

        SHA512

        e138bf2ff7ee7ac9e31cecca844474dc21bc58f51b77765fd22b91d8fef95c44d4b95a7d7339c6ae707c133c77e6b1a96df86167b79d7f3f3cb62fd32b800d17

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

        Filesize

        3KB

        MD5

        86d8a3a9b101926159f2c69c68f2a3bd

        SHA1

        76a53d5152ab272c8549aa217066c4c162a40369

        SHA256

        168381ce9b0a8e2656559f9ad8f589ca7ff9a03d3d5912899eb4b37bd4290477

        SHA512

        9a998a5cc14a98a64341aafc38e30448fb6b4cdefbabfd5c3514964afb9cbd540352e1097a8cfd07754584a617c47036598af1b923dc9823a20d9dee53c1fa3e

      • C:\Users\Admin\AppData\Local\Temp\tmp5C75.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp5C97.tmp

        Filesize

        20KB

        MD5

        22be08f683bcc01d7a9799bbd2c10041

        SHA1

        2efb6041cf3d6e67970135e592569c76fc4c41de

        SHA256

        451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

        SHA512

        0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

      • C:\Users\Admin\AppData\Local\Temp\u2cs.0.exe

        Filesize

        275KB

        MD5

        678d5e7b91062c3b4c1ea39343cda69a

        SHA1

        d73be2edfa050ee9ac434b310af55210b64375cf

        SHA256

        3d4faa1e7f7466857b35c91bda2637ea24783903e14a94ee43508118b56ed17c

        SHA512

        c10a51fa3e8788c8a726af11573014307bf5e47db65ca769db51af9ef751aaf02cc38fec7bc6a8752d3736a4fc68795289df26bd1dd3c945951bec1d7945df8d

      • C:\Users\Admin\AppData\Local\Temp\u2cs.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u2cs.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u2cs.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u2cs.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u2cs.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u2cs.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u2cs.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2004-110-0x0000000072200000-0x000000007237D000-memory.dmp

        Filesize

        1.5MB

      • memory/2004-103-0x0000000072200000-0x000000007237D000-memory.dmp

        Filesize

        1.5MB

      • memory/2004-104-0x00007FFCCBA40000-0x00007FFCCBC49000-memory.dmp

        Filesize

        2.0MB

      • memory/2004-111-0x0000000072200000-0x000000007237D000-memory.dmp

        Filesize

        1.5MB

      • memory/2368-198-0x0000000005BB0000-0x0000000005BC0000-memory.dmp

        Filesize

        64KB

      • memory/2368-137-0x0000000003410000-0x000000000341A000-memory.dmp

        Filesize

        40KB

      • memory/2368-177-0x0000000005D40000-0x0000000005D5E000-memory.dmp

        Filesize

        120KB

      • memory/2368-179-0x00000000727B0000-0x0000000072F61000-memory.dmp

        Filesize

        7.7MB

      • memory/2368-176-0x0000000006CD0000-0x00000000071FC000-memory.dmp

        Filesize

        5.2MB

      • memory/2368-247-0x0000000007FD0000-0x0000000007FDA000-memory.dmp

        Filesize

        40KB

      • memory/2368-178-0x0000000006810000-0x0000000006876000-memory.dmp

        Filesize

        408KB

      • memory/2368-133-0x0000000005BB0000-0x0000000005BC0000-memory.dmp

        Filesize

        64KB

      • memory/2368-136-0x0000000005A60000-0x0000000005AB0000-memory.dmp

        Filesize

        320KB

      • memory/2368-135-0x0000000005AC0000-0x0000000005B36000-memory.dmp

        Filesize

        472KB

      • memory/2368-134-0x0000000005D90000-0x0000000005F52000-memory.dmp

        Filesize

        1.8MB

      • memory/2368-125-0x0000000070C20000-0x0000000071F37000-memory.dmp

        Filesize

        19.1MB

      • memory/2368-130-0x00000000727B0000-0x0000000072F61000-memory.dmp

        Filesize

        7.7MB

      • memory/2368-129-0x0000000001100000-0x00000000011C6000-memory.dmp

        Filesize

        792KB

      • memory/2368-131-0x00000000059A0000-0x0000000005A32000-memory.dmp

        Filesize

        584KB

      • memory/2368-132-0x0000000005FF0000-0x0000000006596000-memory.dmp

        Filesize

        5.6MB

      • memory/2764-224-0x000002A34CE80000-0x000002A34CEE2000-memory.dmp

        Filesize

        392KB

      • memory/2764-235-0x000002A351340000-0x000002A351378000-memory.dmp

        Filesize

        224KB

      • memory/2764-252-0x000002A34C980000-0x000002A34C990000-memory.dmp

        Filesize

        64KB

      • memory/2764-251-0x000002A34C980000-0x000002A34C990000-memory.dmp

        Filesize

        64KB

      • memory/2764-250-0x000002A34C980000-0x000002A34C990000-memory.dmp

        Filesize

        64KB

      • memory/2764-249-0x000002A34C980000-0x000002A34C990000-memory.dmp

        Filesize

        64KB

      • memory/2764-248-0x00007FFCAA540000-0x00007FFCAB002000-memory.dmp

        Filesize

        10.8MB

      • memory/2764-245-0x000002A351B10000-0x000002A351B2E000-memory.dmp

        Filesize

        120KB

      • memory/2764-244-0x000002A351A90000-0x000002A351AB2000-memory.dmp

        Filesize

        136KB

      • memory/2764-243-0x000002A351A50000-0x000002A351A5C000-memory.dmp

        Filesize

        48KB

      • memory/2764-242-0x000002A351AC0000-0x000002A351B10000-memory.dmp

        Filesize

        320KB

      • memory/2764-239-0x000002A3521E0000-0x000002A352708000-memory.dmp

        Filesize

        5.2MB

      • memory/2764-238-0x000002A351A20000-0x000002A351A42000-memory.dmp

        Filesize

        136KB

      • memory/2764-237-0x000002A351CA0000-0x000002A351CAA000-memory.dmp

        Filesize

        40KB

      • memory/2764-236-0x000002A351310000-0x000002A35131E000-memory.dmp

        Filesize

        56KB

      • memory/2764-233-0x000002A34C980000-0x000002A34C990000-memory.dmp

        Filesize

        64KB

      • memory/2764-234-0x000002A3513C0000-0x000002A3513C8000-memory.dmp

        Filesize

        32KB

      • memory/2764-232-0x000002A34C980000-0x000002A34C990000-memory.dmp

        Filesize

        64KB

      • memory/2764-212-0x00007FFCAA540000-0x00007FFCAB002000-memory.dmp

        Filesize

        10.8MB

      • memory/2764-213-0x000002A32EA10000-0x000002A332308000-memory.dmp

        Filesize

        57.0MB

      • memory/2764-214-0x000002A34C980000-0x000002A34C990000-memory.dmp

        Filesize

        64KB

      • memory/2764-215-0x000002A34CAA0000-0x000002A34CBB0000-memory.dmp

        Filesize

        1.1MB

      • memory/2764-217-0x000002A34C8E0000-0x000002A34C8EC000-memory.dmp

        Filesize

        48KB

      • memory/2764-216-0x000002A34C8C0000-0x000002A34C8D0000-memory.dmp

        Filesize

        64KB

      • memory/2764-218-0x000002A34C8D0000-0x000002A34C8E4000-memory.dmp

        Filesize

        80KB

      • memory/2764-219-0x000002A34C940000-0x000002A34C964000-memory.dmp

        Filesize

        144KB

      • memory/2764-220-0x000002A34C970000-0x000002A34C97A000-memory.dmp

        Filesize

        40KB

      • memory/2764-222-0x000002A34CD20000-0x000002A34CDD2000-memory.dmp

        Filesize

        712KB

      • memory/2764-221-0x000002A34CDD0000-0x000002A34CDFA000-memory.dmp

        Filesize

        168KB

      • memory/2764-223-0x000002A34CE00000-0x000002A34CE7A000-memory.dmp

        Filesize

        488KB

      • memory/2764-230-0x000002A34CFE0000-0x000002A34D2E0000-memory.dmp

        Filesize

        3.0MB

      • memory/2764-225-0x000002A34CF60000-0x000002A34CFD6000-memory.dmp

        Filesize

        472KB

      • memory/2764-226-0x000002A34CA80000-0x000002A34CA8A000-memory.dmp

        Filesize

        40KB

      • memory/3008-13-0x0000000000A30000-0x0000000000B30000-memory.dmp

        Filesize

        1024KB

      • memory/3008-14-0x0000000002550000-0x0000000002577000-memory.dmp

        Filesize

        156KB

      • memory/3008-15-0x0000000000400000-0x0000000000846000-memory.dmp

        Filesize

        4.3MB

      • memory/3008-16-0x0000000000400000-0x0000000000846000-memory.dmp

        Filesize

        4.3MB

      • memory/3052-2-0x00000000026C0000-0x000000000272D000-memory.dmp

        Filesize

        436KB

      • memory/3052-119-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3052-3-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3052-1-0x0000000000A90000-0x0000000000B90000-memory.dmp

        Filesize

        1024KB

      • memory/3052-89-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3052-113-0x00000000026C0000-0x000000000272D000-memory.dmp

        Filesize

        436KB

      • memory/3052-150-0x0000000000400000-0x000000000086B000-memory.dmp

        Filesize

        4.4MB

      • memory/3052-116-0x0000000000A90000-0x0000000000B90000-memory.dmp

        Filesize

        1024KB

      • memory/4780-126-0x0000000072200000-0x000000007237D000-memory.dmp

        Filesize

        1.5MB

      • memory/4780-115-0x0000000072200000-0x000000007237D000-memory.dmp

        Filesize

        1.5MB

      • memory/4780-117-0x00007FFCCBA40000-0x00007FFCCBC49000-memory.dmp

        Filesize

        2.0MB

      • memory/4780-121-0x0000000072200000-0x000000007237D000-memory.dmp

        Filesize

        1.5MB

      • memory/4780-122-0x0000000072200000-0x000000007237D000-memory.dmp

        Filesize

        1.5MB

      • memory/4920-151-0x0000000002530000-0x0000000002531000-memory.dmp

        Filesize

        4KB

      • memory/4920-210-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB