Analysis

  • max time kernel
    141s
  • max time network
    132s
  • 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 07:21

General

  • Target

    a5385a8c75e118b9fa65895fea72287f8e5e4690a6f34dac4df25dc21e0391e4.exe

  • Size

    412KB

  • MD5

    7f169ef73a31b9a1662dccc6675cfab1

  • SHA1

    d7255fe5dc8d5fa8b1af76988632abd63a14f985

  • SHA256

    a5385a8c75e118b9fa65895fea72287f8e5e4690a6f34dac4df25dc21e0391e4

  • SHA512

    8231501a304abc7b6a1fccf4079b9401b9c3a56db038145e0b5f14a9bca2a03a78165bd4dae6dfd20e45aa57672c161846840fe6fdae6e8ec69991b790f18055

  • SSDEEP

    6144:S3vNF93i2XZW6NlsS8qNSRk73O9B0qppnH9oH6K:MNd5H7+9n7dQ6K

Malware Config

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 31 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 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5385a8c75e118b9fa65895fea72287f8e5e4690a6f34dac4df25dc21e0391e4.exe
    "C:\Users\Admin\AppData\Local\Temp\a5385a8c75e118b9fa65895fea72287f8e5e4690a6f34dac4df25dc21e0391e4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Users\Admin\AppData\Local\Temp\u3mk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3mk.0.exe"
      2⤵
      • Executes dropped EXE
      PID:1772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 1284
        3⤵
        • Program crash
        PID:5076
    • C:\Users\Admin\AppData\Local\Temp\u3mk.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3mk.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:1152
      • 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:2456
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2656
    • C:\Users\Admin\AppData\Local\Temp\u3mk.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3mk.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:4296
      • 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:3944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 1152
      2⤵
      • Program crash
      PID:3736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1772 -ip 1772
    1⤵
      PID:540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4700 -ip 4700
      1⤵
        PID:3980

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\c90fd515

        Filesize

        1.4MB

        MD5

        c115b3df201631a7442dcaeba87c7429

        SHA1

        079fa33f5e93e82ec0d279b65557878313a2fc40

        SHA256

        6324dbe0e0385a1001d8344b84eb6170a44d43a5d7b142d706c193482a023dfd

        SHA512

        6be5c17e3a587542b6f70c811d02979b785c6bba93b1f06ad2a98e53a36bc55186e6ec1ab61dea59229275e79234f61f58db9f7845c7498fbf736199bc42e319

      • C:\Users\Admin\AppData\Local\Temp\tmp63D8.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp6409.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u3mk.0.exe

        Filesize

        272KB

        MD5

        74b818f861dfd211e8db02620b407889

        SHA1

        5f4a7ddb0fe2397282eaf8d605163f649751af14

        SHA256

        8a44beea88733d38861d837377fb270613ca1f5f9c6ce7658c6899f82910d3eb

        SHA512

        72c79a7398617f1968e14ab01f2f218e976206d1fdcbb4dced7ccb2e93ae69982a95768106a79e2e055e5c547f01197480beaca626e4fbd1bfadb3056a4552bd

      • C:\Users\Admin\AppData\Local\Temp\u3mk.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u3mk.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u3mk.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u3mk.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u3mk.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u3mk.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u3mk.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1152-111-0x0000000072920000-0x0000000072A9B000-memory.dmp

        Filesize

        1.5MB

      • memory/1152-103-0x0000000072920000-0x0000000072A9B000-memory.dmp

        Filesize

        1.5MB

      • memory/1152-104-0x00007FFB45450000-0x00007FFB45645000-memory.dmp

        Filesize

        2.0MB

      • memory/1152-110-0x0000000072920000-0x0000000072A9B000-memory.dmp

        Filesize

        1.5MB

      • memory/1772-13-0x0000000002D80000-0x0000000002E80000-memory.dmp

        Filesize

        1024KB

      • memory/1772-16-0x0000000000400000-0x0000000002C27000-memory.dmp

        Filesize

        40.2MB

      • memory/1772-15-0x0000000000400000-0x0000000002C27000-memory.dmp

        Filesize

        40.2MB

      • memory/1772-14-0x0000000003080000-0x00000000030A7000-memory.dmp

        Filesize

        156KB

      • memory/2456-159-0x0000000072920000-0x0000000072A9B000-memory.dmp

        Filesize

        1.5MB

      • memory/2456-113-0x0000000072920000-0x0000000072A9B000-memory.dmp

        Filesize

        1.5MB

      • memory/2456-138-0x0000000072920000-0x0000000072A9B000-memory.dmp

        Filesize

        1.5MB

      • memory/2456-137-0x0000000072920000-0x0000000072A9B000-memory.dmp

        Filesize

        1.5MB

      • memory/2456-117-0x00007FFB45450000-0x00007FFB45645000-memory.dmp

        Filesize

        2.0MB

      • memory/2656-172-0x0000000004D30000-0x0000000004D3A000-memory.dmp

        Filesize

        40KB

      • memory/2656-163-0x0000000000710000-0x00000000007D6000-memory.dmp

        Filesize

        792KB

      • memory/2656-219-0x0000000070990000-0x0000000071140000-memory.dmp

        Filesize

        7.7MB

      • memory/2656-225-0x0000000005FC0000-0x00000000064EC000-memory.dmp

        Filesize

        5.2MB

      • memory/2656-226-0x0000000004FE0000-0x0000000004FFE000-memory.dmp

        Filesize

        120KB

      • memory/2656-227-0x0000000005B00000-0x0000000005B66000-memory.dmp

        Filesize

        408KB

      • memory/2656-160-0x0000000071140000-0x0000000072394000-memory.dmp

        Filesize

        18.3MB

      • memory/2656-220-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

        Filesize

        64KB

      • memory/2656-164-0x0000000070990000-0x0000000071140000-memory.dmp

        Filesize

        7.7MB

      • memory/2656-165-0x0000000004C90000-0x0000000004D22000-memory.dmp

        Filesize

        584KB

      • memory/2656-166-0x00000000052E0000-0x0000000005884000-memory.dmp

        Filesize

        5.6MB

      • memory/2656-168-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

        Filesize

        64KB

      • memory/2656-169-0x0000000005080000-0x0000000005242000-memory.dmp

        Filesize

        1.8MB

      • memory/2656-170-0x0000000004DB0000-0x0000000004E26000-memory.dmp

        Filesize

        472KB

      • memory/2656-171-0x0000000004E30000-0x0000000004E80000-memory.dmp

        Filesize

        320KB

      • memory/3944-184-0x00007FFB25360000-0x00007FFB25E21000-memory.dmp

        Filesize

        10.8MB

      • memory/3944-207-0x000001E5B9D40000-0x000001E5B9D78000-memory.dmp

        Filesize

        224KB

      • memory/3944-224-0x000001E5B5280000-0x000001E5B5290000-memory.dmp

        Filesize

        64KB

      • memory/3944-185-0x000001E5973E0000-0x000001E59ACD8000-memory.dmp

        Filesize

        57.0MB

      • memory/3944-186-0x000001E5B5280000-0x000001E5B5290000-memory.dmp

        Filesize

        64KB

      • memory/3944-187-0x000001E5B56D0000-0x000001E5B57E0000-memory.dmp

        Filesize

        1.1MB

      • memory/3944-188-0x000001E59B120000-0x000001E59B130000-memory.dmp

        Filesize

        64KB

      • memory/3944-189-0x000001E59CA70000-0x000001E59CA7C000-memory.dmp

        Filesize

        48KB

      • memory/3944-190-0x000001E59B130000-0x000001E59B144000-memory.dmp

        Filesize

        80KB

      • memory/3944-191-0x000001E5B51A0000-0x000001E5B51C4000-memory.dmp

        Filesize

        144KB

      • memory/3944-192-0x000001E59CAC0000-0x000001E59CACA000-memory.dmp

        Filesize

        40KB

      • memory/3944-194-0x000001E5B51D0000-0x000001E5B5282000-memory.dmp

        Filesize

        712KB

      • memory/3944-193-0x000001E5B5290000-0x000001E5B52BA000-memory.dmp

        Filesize

        168KB

      • memory/3944-195-0x000001E5B55E0000-0x000001E5B565A000-memory.dmp

        Filesize

        488KB

      • memory/3944-197-0x000001E5B59A0000-0x000001E5B5A16000-memory.dmp

        Filesize

        472KB

      • memory/3944-196-0x000001E5B5660000-0x000001E5B56C2000-memory.dmp

        Filesize

        392KB

      • memory/3944-198-0x000001E5B51C0000-0x000001E5B51CA000-memory.dmp

        Filesize

        40KB

      • memory/3944-202-0x000001E5B5A20000-0x000001E5B5D20000-memory.dmp

        Filesize

        3.0MB

      • memory/3944-204-0x000001E5B5280000-0x000001E5B5290000-memory.dmp

        Filesize

        64KB

      • memory/3944-205-0x000001E5BA400000-0x000001E5BA408000-memory.dmp

        Filesize

        32KB

      • memory/3944-206-0x000001E5B5280000-0x000001E5B5290000-memory.dmp

        Filesize

        64KB

      • memory/3944-223-0x000001E5B5280000-0x000001E5B5290000-memory.dmp

        Filesize

        64KB

      • memory/3944-208-0x000001E5B9D10000-0x000001E5B9D1E000-memory.dmp

        Filesize

        56KB

      • memory/3944-209-0x000001E5BAEA0000-0x000001E5BAEAA000-memory.dmp

        Filesize

        40KB

      • memory/3944-210-0x000001E5BAEB0000-0x000001E5BAED2000-memory.dmp

        Filesize

        136KB

      • memory/3944-211-0x000001E5BB400000-0x000001E5BB928000-memory.dmp

        Filesize

        5.2MB

      • memory/3944-214-0x000001E5BAC70000-0x000001E5BACC0000-memory.dmp

        Filesize

        320KB

      • memory/3944-215-0x000001E5BAC20000-0x000001E5BAC2C000-memory.dmp

        Filesize

        48KB

      • memory/3944-216-0x000001E5BACC0000-0x000001E5BACE2000-memory.dmp

        Filesize

        136KB

      • memory/3944-217-0x000001E5BACF0000-0x000001E5BAD0E000-memory.dmp

        Filesize

        120KB

      • memory/3944-222-0x000001E5B5280000-0x000001E5B5290000-memory.dmp

        Filesize

        64KB

      • memory/3944-221-0x00007FFB25360000-0x00007FFB25E21000-memory.dmp

        Filesize

        10.8MB

      • memory/4296-131-0x00000000027A0000-0x00000000027A1000-memory.dmp

        Filesize

        4KB

      • memory/4296-183-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4700-136-0x0000000000400000-0x0000000000869000-memory.dmp

        Filesize

        4.4MB

      • memory/4700-1-0x0000000000A30000-0x0000000000B30000-memory.dmp

        Filesize

        1024KB

      • memory/4700-116-0x0000000000A30000-0x0000000000B30000-memory.dmp

        Filesize

        1024KB

      • memory/4700-115-0x0000000000400000-0x0000000000869000-memory.dmp

        Filesize

        4.4MB

      • memory/4700-17-0x0000000000400000-0x0000000000869000-memory.dmp

        Filesize

        4.4MB

      • memory/4700-3-0x0000000000400000-0x0000000000869000-memory.dmp

        Filesize

        4.4MB

      • memory/4700-2-0x00000000025D0000-0x000000000263D000-memory.dmp

        Filesize

        436KB