Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 09:37

General

  • Target

    c53639713fc373fabad80a7e93956ab8.exe

  • Size

    456KB

  • MD5

    c53639713fc373fabad80a7e93956ab8

  • SHA1

    fdd3a2094699e5b9326b418e995c7ac1b15e2d89

  • SHA256

    8380469f59a99421ac025c84ac03141e73843d97885b2681474f185ba12796b3

  • SHA512

    5ec1304438737f35f29aed12209f2df14386f844d8424335acc851f49a2277f4cee7cb0277de64bfff2e5cc70724a827a6bc636b02dc61b3f87d4763a369f71b

  • SSDEEP

    6144:Hb1m+ZBBrVw6UuNeqsGqJJ2hUOWXzt1YyQut4Mq75gQ/l67I2XDihjZd+:7c+5vdsGguOt1YyN4MyN/EQZd+

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.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 14 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).

  • 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 11 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c53639713fc373fabad80a7e93956ab8.exe
    "C:\Users\Admin\AppData\Local\Temp\c53639713fc373fabad80a7e93956ab8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\u29s.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u29s.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2052
    • C:\Users\Admin\AppData\Local\Temp\u29s.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u29s.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:2984
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2504
        • 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:1284
    • C:\Users\Admin\AppData\Local\Temp\u29s.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u29s.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2688
      • 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:1860

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\252e99e709753c2ab04b66e213ab7d72cfdb494a7016e07d23bc17fe7cebab94\4e466f23419240358e22081d82d4af9a.tmp
    Filesize

    1KB

    MD5

    4d0bec2542d21da0c3f34ada86cbee66

    SHA1

    6bdc1652d19b72da4bde4c5cb3613ad8b65e8c27

    SHA256

    ae549650066337cb8b2043d0d8428e94a1e349d9357fa1e41a3559423c59b3a0

    SHA512

    e45505b9773cede06c75adca1828788f41d6bb91a498b388a5e4b77bfa218d059b95ea5967a37d395f975db1159f8b218a789bcaad078ab520dc5538e8e9d18e

  • C:\Users\Admin\AppData\Local\Temp\U29S1~1.ZIP
    Filesize

    3.7MB

    MD5

    78d3ca6355c93c72b494bb6a498bf639

    SHA1

    2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

    SHA256

    a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

    SHA512

    1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

  • C:\Users\Admin\AppData\Local\Temp\acce3cd3
    Filesize

    1.4MB

    MD5

    76d0b120ada6646fe34269fc03668bb3

    SHA1

    b4b15683315d4883960a67632ae4297debde339b

    SHA256

    43666049128d689859416eac8324ccb035508321e7d645b2b1fb4550cd521783

    SHA512

    cdb5fd4fbdb6a4d779bace297a9d726dded8f7fbffcacae591c2393e9cf1bc6059dd7350115e8f223219bf0712b5a3592c738a4cd92e757cbc59e2d0df12d271

  • C:\Users\Admin\AppData\Local\Temp\tmp9B29.tmp
    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u29s.2\UIxMarketPlugin.dll
    Filesize

    1.6MB

    MD5

    d1ba9412e78bfc98074c5d724a1a87d6

    SHA1

    0572f98d78fb0b366b5a086c2a74cc68b771d368

    SHA256

    cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

    SHA512

    8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

  • C:\Users\Admin\AppData\Local\Temp\u29s.2\bunch.dat
    Filesize

    1.3MB

    MD5

    1e8237d3028ab52821d69099e0954f97

    SHA1

    30a6ae353adda0c471c6ed5b7a2458b07185abf2

    SHA256

    9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

    SHA512

    a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

  • C:\Users\Admin\AppData\Local\Temp\u29s.2\relay.dll
    Filesize

    1.5MB

    MD5

    10d51becd0bbce0fab147ff9658c565e

    SHA1

    4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

    SHA256

    7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

    SHA512

    29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

  • C:\Users\Admin\AppData\Local\Temp\u29s.2\run.exe
    Filesize

    2.4MB

    MD5

    9fb4770ced09aae3b437c1c6eb6d7334

    SHA1

    fe54b31b0db8665aa5b22bed147e8295afc88a03

    SHA256

    a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

    SHA512

    140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

  • C:\Users\Admin\AppData\Local\Temp\u29s.2\whale.dbf
    Filesize

    85KB

    MD5

    a723bf46048e0bfb15b8d77d7a648c3e

    SHA1

    8952d3c34e9341e4425571e10f22b782695bb915

    SHA256

    b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

    SHA512

    ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

  • \Users\Admin\AppData\Local\Temp\u29s.0.exe
    Filesize

    312KB

    MD5

    fe1fa198626701a72893c05b5e3c7d0c

    SHA1

    830e5b629fec1cc2a532f6fe733efb1190c9cde5

    SHA256

    2a95da6136e35a81cbd596c909286255c36b42ea23288ac39bf7e5777f3c26ce

    SHA512

    34806c5779ceeb207df9253c5bd59b89bccb89c6ec1e09ad45d39588d5463c736169afee3ba499a6e44df47b8ee265c7be71eb274e6522ce5d4bd5a7ce976c96

  • \Users\Admin\AppData\Local\Temp\u29s.3.exe
    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1284-256-0x0000000071C10000-0x0000000072C72000-memory.dmp
    Filesize

    16.4MB

  • memory/1284-258-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1284-257-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1284-260-0x0000000000400000-0x00000000004C6000-memory.dmp
    Filesize

    792KB

  • memory/1860-222-0x00000000005D0000-0x00000000005E4000-memory.dmp
    Filesize

    80KB

  • memory/1860-227-0x000000001F8B0000-0x000000001F962000-memory.dmp
    Filesize

    712KB

  • memory/1860-247-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/1860-248-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/1860-242-0x00000000058D0000-0x00000000058DC000-memory.dmp
    Filesize

    48KB

  • memory/1860-218-0x0000000000BB0000-0x00000000044A8000-memory.dmp
    Filesize

    57.0MB

  • memory/1860-219-0x000000001ED60000-0x000000001EE70000-memory.dmp
    Filesize

    1.1MB

  • memory/1860-220-0x00000000005C0000-0x00000000005D0000-memory.dmp
    Filesize

    64KB

  • memory/1860-221-0x0000000000B90000-0x0000000000B9C000-memory.dmp
    Filesize

    48KB

  • memory/1860-239-0x00000000058B0000-0x00000000058D2000-memory.dmp
    Filesize

    136KB

  • memory/1860-223-0x00000000058E0000-0x0000000005904000-memory.dmp
    Filesize

    144KB

  • memory/1860-225-0x000000001E5F0000-0x000000001E5FA000-memory.dmp
    Filesize

    40KB

  • memory/1860-226-0x000000001E610000-0x000000001E63A000-memory.dmp
    Filesize

    168KB

  • memory/1860-238-0x0000000000B80000-0x0000000000B8A000-memory.dmp
    Filesize

    40KB

  • memory/1860-228-0x000000001F960000-0x000000001F9DA000-memory.dmp
    Filesize

    488KB

  • memory/1860-229-0x0000000000A80000-0x0000000000AE2000-memory.dmp
    Filesize

    392KB

  • memory/1860-230-0x0000000000380000-0x000000000038A000-memory.dmp
    Filesize

    40KB

  • memory/1860-234-0x0000000020010000-0x0000000020310000-memory.dmp
    Filesize

    3.0MB

  • memory/1860-236-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/1860-237-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

  • memory/2052-259-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2052-285-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2052-290-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2052-293-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2052-170-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2504-249-0x0000000074460000-0x00000000745D4000-memory.dmp
    Filesize

    1.5MB

  • memory/2504-171-0x00000000778A0000-0x0000000077A49000-memory.dmp
    Filesize

    1.7MB

  • memory/2688-210-0x0000000000400000-0x00000000008AD000-memory.dmp
    Filesize

    4.7MB

  • memory/2944-132-0x0000000001B90000-0x0000000001C90000-memory.dmp
    Filesize

    1024KB

  • memory/2944-3-0x0000000000400000-0x0000000001A3D000-memory.dmp
    Filesize

    22.2MB

  • memory/2944-2-0x0000000000230000-0x000000000029D000-memory.dmp
    Filesize

    436KB

  • memory/2944-1-0x0000000001B90000-0x0000000001C90000-memory.dmp
    Filesize

    1024KB

  • memory/2944-131-0x0000000000400000-0x0000000001A3D000-memory.dmp
    Filesize

    22.2MB

  • memory/2984-110-0x00000000778A0000-0x0000000077A49000-memory.dmp
    Filesize

    1.7MB

  • memory/2984-109-0x0000000074460000-0x00000000745D4000-memory.dmp
    Filesize

    1.5MB

  • memory/2984-156-0x0000000074460000-0x00000000745D4000-memory.dmp
    Filesize

    1.5MB