Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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 13:01

General

  • Target

    tmp.exe

  • Size

    423KB

  • MD5

    dcc50ec1cc74d2f605b455885e781f40

  • SHA1

    594447e41168142a701dff4ce16182f50921a064

  • SHA256

    bc67a67c9441eb9220a42bda0af159fa9ae2eefcfb83370d28157bed5436dea4

  • SHA512

    23422811b4c3ba39b9f4a44654e9547e6e42e8bbac857f02ce086686572860d9964674fc67d8a4020c4794f6bcf98311be51fd0f3dfc6b910bd4f118975886b5

  • SSDEEP

    6144:4LLIBZxDP7MoSoKdtpeK1W8ChvqkTLNfhR4hSoLSnfVF+YlkAo:0LmHD7nFKdtYK3ChvhhR4hTQVHlkAo

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 33 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\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Users\Admin\AppData\Local\Temp\u2hc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2hc.0.exe"
      2⤵
      • Executes dropped EXE
      PID:2876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 616
        3⤵
        • Program crash
        PID:840
    • C:\Users\Admin\AppData\Local\Temp\u2hc.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2hc.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:3168
      • 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:3144
        • 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:2108
    • C:\Users\Admin\AppData\Local\Temp\u2hc.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2hc.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:5116
      • 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:3804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1576
      2⤵
      • Program crash
      PID:2108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2876 -ip 2876
    1⤵
      PID:1664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3216 -ip 3216
      1⤵
        PID:2400

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\f04a9615

        Filesize

        1.4MB

        MD5

        85865f392ee0a4e8d881af947d114ce3

        SHA1

        5f655d8a02a30df1bac1bdcb0cc36ca371a59374

        SHA256

        e8072d60a759c8f74a89e19bbf2ea3b29fedfde99f46b2eeb149ecff18b1aa54

        SHA512

        adfd5ed683bd6ce0ee8528c6c20f09b6c40276464743d8a6766c72a67a9f0bfecf4716c016a3ddd55de36e1ff46b373f9c6e94bd98aa41f32b4aaa7cb3375db9

      • C:\Users\Admin\AppData\Local\Temp\tmp1D2.tmp

        Filesize

        20KB

        MD5

        42c395b8db48b6ce3d34c301d1eba9d5

        SHA1

        b7cfa3de344814bec105391663c0df4a74310996

        SHA256

        5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

        SHA512

        7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

      • C:\Users\Admin\AppData\Local\Temp\tmp204.tmp

        Filesize

        20KB

        MD5

        49693267e0adbcd119f9f5e02adf3a80

        SHA1

        3ba3d7f89b8ad195ca82c92737e960e1f2b349df

        SHA256

        d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

        SHA512

        b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

      • C:\Users\Admin\AppData\Local\Temp\u2hc.0.exe

        Filesize

        279KB

        MD5

        ce973cd51fa98b694da3eff7cc2f18a4

        SHA1

        8288ebe7f7d07075208160212d240aee5cdc1ad3

        SHA256

        543281e6bc99b7e20ce3719d1fb2d3a8d34d62fd5153d233022c42ee1cc48ed7

        SHA512

        16ec39ed84b8edfaec9fdfb362686ab8008bbf0d6dbaf03dd16d8b9d59faae76a757758c0edf3264e3adeae791c199db15eebcc4c09848923c2e738661befb2d

      • C:\Users\Admin\AppData\Local\Temp\u2hc.1.zip

        Filesize

        3.7MB

        MD5

        78d3ca6355c93c72b494bb6a498bf639

        SHA1

        2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

        SHA256

        a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

        SHA512

        1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

      • C:\Users\Admin\AppData\Local\Temp\u2hc.2\UIxMarketPlugin.dll

        Filesize

        1.6MB

        MD5

        d1ba9412e78bfc98074c5d724a1a87d6

        SHA1

        0572f98d78fb0b366b5a086c2a74cc68b771d368

        SHA256

        cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

        SHA512

        8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

      • C:\Users\Admin\AppData\Local\Temp\u2hc.2\bunch.dat

        Filesize

        1.3MB

        MD5

        1e8237d3028ab52821d69099e0954f97

        SHA1

        30a6ae353adda0c471c6ed5b7a2458b07185abf2

        SHA256

        9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

        SHA512

        a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

      • C:\Users\Admin\AppData\Local\Temp\u2hc.2\relay.dll

        Filesize

        1.5MB

        MD5

        10d51becd0bbce0fab147ff9658c565e

        SHA1

        4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

        SHA256

        7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

        SHA512

        29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

      • C:\Users\Admin\AppData\Local\Temp\u2hc.2\run.exe

        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\u2hc.2\whale.dbf

        Filesize

        85KB

        MD5

        a723bf46048e0bfb15b8d77d7a648c3e

        SHA1

        8952d3c34e9341e4425571e10f22b782695bb915

        SHA256

        b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

        SHA512

        ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

      • C:\Users\Admin\AppData\Local\Temp\u2hc.3.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2108-246-0x00000000050D0000-0x00000000050E0000-memory.dmp

        Filesize

        64KB

      • memory/2108-217-0x0000000005260000-0x00000000052D6000-memory.dmp

        Filesize

        472KB

      • memory/2108-219-0x00000000050B0000-0x00000000050BA000-memory.dmp

        Filesize

        40KB

      • memory/2108-205-0x0000000073AC0000-0x0000000074D14000-memory.dmp

        Filesize

        18.3MB

      • memory/2108-245-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2108-222-0x0000000005F30000-0x0000000005F96000-memory.dmp

        Filesize

        408KB

      • memory/2108-221-0x0000000005E40000-0x0000000005E5E000-memory.dmp

        Filesize

        120KB

      • memory/2108-220-0x0000000006370000-0x000000000689C000-memory.dmp

        Filesize

        5.2MB

      • memory/2108-210-0x0000000000B20000-0x0000000000BE6000-memory.dmp

        Filesize

        792KB

      • memory/2108-211-0x0000000005140000-0x00000000051D2000-memory.dmp

        Filesize

        584KB

      • memory/2108-212-0x0000000075000000-0x00000000757B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2108-218-0x00000000052E0000-0x0000000005330000-memory.dmp

        Filesize

        320KB

      • memory/2108-216-0x00000000053B0000-0x0000000005572000-memory.dmp

        Filesize

        1.8MB

      • memory/2108-213-0x0000000005790000-0x0000000005D34000-memory.dmp

        Filesize

        5.6MB

      • memory/2876-15-0x0000000000400000-0x0000000002C28000-memory.dmp

        Filesize

        40.2MB

      • memory/2876-13-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

        Filesize

        1024KB

      • memory/2876-14-0x00000000030A0000-0x00000000030C7000-memory.dmp

        Filesize

        156KB

      • memory/2876-16-0x0000000000400000-0x0000000002C28000-memory.dmp

        Filesize

        40.2MB

      • memory/3144-206-0x0000000073350000-0x00000000734CB000-memory.dmp

        Filesize

        1.5MB

      • memory/3144-113-0x0000000073350000-0x00000000734CB000-memory.dmp

        Filesize

        1.5MB

      • memory/3144-187-0x0000000073350000-0x00000000734CB000-memory.dmp

        Filesize

        1.5MB

      • memory/3144-151-0x00007FF88CE70000-0x00007FF88D065000-memory.dmp

        Filesize

        2.0MB

      • memory/3144-186-0x0000000073350000-0x00000000734CB000-memory.dmp

        Filesize

        1.5MB

      • memory/3168-102-0x0000000073350000-0x00000000734CB000-memory.dmp

        Filesize

        1.5MB

      • memory/3168-103-0x00007FF88CE70000-0x00007FF88D065000-memory.dmp

        Filesize

        2.0MB

      • memory/3168-109-0x0000000073350000-0x00000000734CB000-memory.dmp

        Filesize

        1.5MB

      • memory/3168-111-0x0000000073350000-0x00000000734CB000-memory.dmp

        Filesize

        1.5MB

      • memory/3216-110-0x0000000000400000-0x0000000002C4D000-memory.dmp

        Filesize

        40.3MB

      • memory/3216-130-0x0000000000400000-0x0000000002C4D000-memory.dmp

        Filesize

        40.3MB

      • memory/3216-131-0x0000000003170000-0x00000000031DD000-memory.dmp

        Filesize

        436KB

      • memory/3216-3-0x0000000000400000-0x0000000002C4D000-memory.dmp

        Filesize

        40.3MB

      • memory/3216-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

        Filesize

        1024KB

      • memory/3216-2-0x0000000003170000-0x00000000031DD000-memory.dmp

        Filesize

        436KB

      • memory/3804-180-0x0000016A7DB70000-0x0000016A7DB7A000-memory.dmp

        Filesize

        40KB

      • memory/3804-179-0x0000016A7E180000-0x0000016A7E1F6000-memory.dmp

        Filesize

        472KB

      • memory/3804-188-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-189-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-190-0x0000016A7FDF0000-0x0000016A7FDF8000-memory.dmp

        Filesize

        32KB

      • memory/3804-191-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-192-0x0000016A7FE40000-0x0000016A7FE78000-memory.dmp

        Filesize

        224KB

      • memory/3804-193-0x0000016A7FE00000-0x0000016A7FE0E000-memory.dmp

        Filesize

        56KB

      • memory/3804-194-0x0000016A1B540000-0x0000016A1B54A000-memory.dmp

        Filesize

        40KB

      • memory/3804-195-0x0000016A1B820000-0x0000016A1B842000-memory.dmp

        Filesize

        136KB

      • memory/3804-196-0x0000016A1BD70000-0x0000016A1C298000-memory.dmp

        Filesize

        5.2MB

      • memory/3804-199-0x0000016A7FED0000-0x0000016A7FF20000-memory.dmp

        Filesize

        320KB

      • memory/3804-200-0x0000016A1B580000-0x0000016A1B58C000-memory.dmp

        Filesize

        48KB

      • memory/3804-201-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-202-0x0000016A7FE80000-0x0000016A7FEA2000-memory.dmp

        Filesize

        136KB

      • memory/3804-203-0x0000016A7E520000-0x0000016A7E53E000-memory.dmp

        Filesize

        120KB

      • memory/3804-168-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-167-0x0000016A77B70000-0x0000016A7B468000-memory.dmp

        Filesize

        57.0MB

      • memory/3804-166-0x00007FF86C850000-0x00007FF86D311000-memory.dmp

        Filesize

        10.8MB

      • memory/3804-169-0x0000016A7DD20000-0x0000016A7DE30000-memory.dmp

        Filesize

        1.1MB

      • memory/3804-170-0x0000016A7B8A0000-0x0000016A7B8B0000-memory.dmp

        Filesize

        64KB

      • memory/3804-174-0x0000016A7D9A0000-0x0000016A7D9AA000-memory.dmp

        Filesize

        40KB

      • memory/3804-214-0x00007FF86C850000-0x00007FF86D311000-memory.dmp

        Filesize

        10.8MB

      • memory/3804-215-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-175-0x0000016A7DB80000-0x0000016A7DBAA000-memory.dmp

        Filesize

        168KB

      • memory/3804-177-0x0000016A7E020000-0x0000016A7E09A000-memory.dmp

        Filesize

        488KB

      • memory/3804-244-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-178-0x0000016A7E0A0000-0x0000016A7E102000-memory.dmp

        Filesize

        392KB

      • memory/3804-184-0x0000016A7E200000-0x0000016A7E500000-memory.dmp

        Filesize

        3.0MB

      • memory/3804-176-0x0000016A7DF70000-0x0000016A7E022000-memory.dmp

        Filesize

        712KB

      • memory/3804-173-0x0000016A7D980000-0x0000016A7D9A4000-memory.dmp

        Filesize

        144KB

      • memory/3804-172-0x0000016A7D170000-0x0000016A7D184000-memory.dmp

        Filesize

        80KB

      • memory/3804-171-0x0000016A7D970000-0x0000016A7D97C000-memory.dmp

        Filesize

        48KB

      • memory/3804-241-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-242-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/3804-243-0x0000016A7D9B0000-0x0000016A7D9C0000-memory.dmp

        Filesize

        64KB

      • memory/5116-125-0x00000000027A0000-0x00000000027A1000-memory.dmp

        Filesize

        4KB

      • memory/5116-153-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/5116-165-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB