Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 06:31

General

  • Target

    66cf4b0695b91283420f4e68a239e078.exe

  • Size

    456KB

  • MD5

    66cf4b0695b91283420f4e68a239e078

  • SHA1

    2a8c72655d939cf0489566b24b065394b8cb2136

  • SHA256

    4d1259d2ca725766850d79a00a0dbbc6ab0d0b7d904fddb14980f56b630f0fcd

  • SHA512

    4b80947dc59bd7f0ea72e1db552ae5de9d99c0d562f0ddb5c2d3dd467f0ce1ae996b06aac192967b2385840773e18d9519db263ea7f9323bf0b7aab4eccc8bb3

  • SSDEEP

    12288:SMAzoV3Y9YLR4W/Rt7yL794skEZUXwE8S:IoV3Y9YLRN/XQUOUXwE8S

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 16 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 12 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\66cf4b0695b91283420f4e68a239e078.exe
    "C:\Users\Admin\AppData\Local\Temp\66cf4b0695b91283420f4e68a239e078.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Users\Admin\AppData\Local\Temp\u2a4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2a4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2032
    • C:\Users\Admin\AppData\Local\Temp\u2a4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u2a4.2\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:1980
      • 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:2852
        • 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:1848
    • C:\Users\Admin\AppData\Local\Temp\u2a4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u2a4.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2836
      • 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:2280

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\a156d2ee87eeb3012aacff4fcc5518f7fa0b2caa0b97ad5a5e46c2e4fdf8c5f4\eee9e358edc547f3af4416a372bf0927.tmp
    Filesize

    1KB

    MD5

    eaa3b183e92b9aed0018e6032eb18730

    SHA1

    e3662a9facfad02bed91c35af39dc26c0f0aabe4

    SHA256

    2b4fe1bf0c4c373f015c113d1dba4fd6089005beed3bf025e8d5e33ab10ac936

    SHA512

    d2f503f5c73a940256296ab843146147f384b8e4650271dc0c4a1ab9c2c432232e8be5abf793719bbdc42ef76eee1196fa3906b7a0e9b11b08163febb54dd752

  • C:\Users\Admin\AppData\Local\Temp\U2A41~1.ZIP
    Filesize

    3.7MB

    MD5

    78d3ca6355c93c72b494bb6a498bf639

    SHA1

    2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

    SHA256

    a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

    SHA512

    1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

  • C:\Users\Admin\AppData\Local\Temp\a4552e66
    Filesize

    1.4MB

    MD5

    dbc3974047dd36d80230520a4f2a3f67

    SHA1

    3ddb6614c747c9976371762a65dc915fbb773f32

    SHA256

    8e1a3def0b32a9310372a8fba76cc0a5874c6782d49313eed5994e39ddf12156

    SHA512

    41109b67f95363cf95815080d45326fdfea4ddcef9bfacefe8376e50198bf689e0d42602bfba1eff9c44cbd402ddeadd337f611007aa403588b0567ce67dcfa1

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

    2KB

    MD5

    e5ba7fc3323ee4377630e981d0efaae0

    SHA1

    3f209096bf311f810f40917623ed6780567f69bd

    SHA256

    8e925b215b941d5d5d4699a30f7f070efc91806be9fddc85806a04690ca2532d

    SHA512

    24000b801b8ef3677722f78e3c1df564f3cd0e14f4929aaac4f2336447768b2d589cbafe6457067ad34c56c4c89da8e7536f90c702f79e7b411c56a34159bd68

  • C:\Users\Admin\AppData\Local\Temp\tmp96E4.tmp
    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u2a4.2\UIxMarketPlugin.dll
    Filesize

    1.6MB

    MD5

    d1ba9412e78bfc98074c5d724a1a87d6

    SHA1

    0572f98d78fb0b366b5a086c2a74cc68b771d368

    SHA256

    cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

    SHA512

    8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

  • C:\Users\Admin\AppData\Local\Temp\u2a4.2\bunch.dat
    Filesize

    1.3MB

    MD5

    1e8237d3028ab52821d69099e0954f97

    SHA1

    30a6ae353adda0c471c6ed5b7a2458b07185abf2

    SHA256

    9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

    SHA512

    a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

  • C:\Users\Admin\AppData\Local\Temp\u2a4.2\relay.dll
    Filesize

    1.5MB

    MD5

    10d51becd0bbce0fab147ff9658c565e

    SHA1

    4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

    SHA256

    7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

    SHA512

    29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

  • C:\Users\Admin\AppData\Local\Temp\u2a4.2\run.exe
    Filesize

    2.4MB

    MD5

    9fb4770ced09aae3b437c1c6eb6d7334

    SHA1

    fe54b31b0db8665aa5b22bed147e8295afc88a03

    SHA256

    a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

    SHA512

    140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

  • C:\Users\Admin\AppData\Local\Temp\u2a4.2\whale.dbf
    Filesize

    85KB

    MD5

    a723bf46048e0bfb15b8d77d7a648c3e

    SHA1

    8952d3c34e9341e4425571e10f22b782695bb915

    SHA256

    b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

    SHA512

    ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

  • \ProgramData\mozglue.dll
    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll
    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\Temp\u2a4.0.exe
    Filesize

    311KB

    MD5

    d8f0480ffd9a82c2532b6be3fbee1a76

    SHA1

    c72dc3cab1dc67c8039e7acabef9776fb244d74a

    SHA256

    76b73bd1533ce48cd2cf55316e62b3869e920992c4d7673339f9c5eefa7d922a

    SHA512

    13daf8bf9853043ad1913f45b634ac4d7b59d9320101e5b30ce9407ec1ca15fa1a990e67409cf9d3aeab10107a6e8ead6e79f55fee718a844a38556817c92116

  • \Users\Admin\AppData\Local\Temp\u2a4.3.exe
    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1848-308-0x0000000072920000-0x0000000073982000-memory.dmp
    Filesize

    16.4MB

  • memory/1848-310-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1848-309-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1848-320-0x0000000000400000-0x00000000004C6000-memory.dmp
    Filesize

    792KB

  • memory/1980-155-0x0000000074160000-0x00000000742D4000-memory.dmp
    Filesize

    1.5MB

  • memory/1980-110-0x00000000775A0000-0x0000000077749000-memory.dmp
    Filesize

    1.7MB

  • memory/1980-109-0x0000000074160000-0x00000000742D4000-memory.dmp
    Filesize

    1.5MB

  • memory/2032-313-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2032-319-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2032-276-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2032-159-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/2032-181-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2280-247-0x0000000000B80000-0x0000000000B94000-memory.dmp
    Filesize

    80KB

  • memory/2280-240-0x0000000000FE0000-0x00000000048D8000-memory.dmp
    Filesize

    57.0MB

  • memory/2280-250-0x000000001E7F0000-0x000000001E7FA000-memory.dmp
    Filesize

    40KB

  • memory/2280-251-0x000000001E810000-0x000000001E83A000-memory.dmp
    Filesize

    168KB

  • memory/2280-252-0x000000001EE30000-0x000000001EEE2000-memory.dmp
    Filesize

    712KB

  • memory/2280-253-0x0000000000B00000-0x0000000000B7A000-memory.dmp
    Filesize

    488KB

  • memory/2280-254-0x0000000000C40000-0x0000000000CA2000-memory.dmp
    Filesize

    392KB

  • memory/2280-255-0x0000000000C20000-0x0000000000C2A000-memory.dmp
    Filesize

    40KB

  • memory/2280-259-0x00000000200B0000-0x00000000203B0000-memory.dmp
    Filesize

    3.0MB

  • memory/2280-261-0x0000000000CA0000-0x0000000000CAA000-memory.dmp
    Filesize

    40KB

  • memory/2280-262-0x000000001E850000-0x000000001E85A000-memory.dmp
    Filesize

    40KB

  • memory/2280-263-0x000000001E860000-0x000000001E882000-memory.dmp
    Filesize

    136KB

  • memory/2280-266-0x000000001E880000-0x000000001E88C000-memory.dmp
    Filesize

    48KB

  • memory/2280-248-0x000000001E7D0000-0x000000001E7F4000-memory.dmp
    Filesize

    144KB

  • memory/2280-246-0x0000000000B90000-0x0000000000B9C000-memory.dmp
    Filesize

    48KB

  • memory/2280-245-0x00000000006C0000-0x00000000006D0000-memory.dmp
    Filesize

    64KB

  • memory/2280-298-0x0000000000CA0000-0x0000000000CAA000-memory.dmp
    Filesize

    40KB

  • memory/2280-244-0x000000001EC00000-0x000000001ED10000-memory.dmp
    Filesize

    1.1MB

  • memory/2836-239-0x0000000000400000-0x00000000008AD000-memory.dmp
    Filesize

    4.7MB

  • memory/2852-299-0x0000000074160000-0x00000000742D4000-memory.dmp
    Filesize

    1.5MB

  • memory/2852-183-0x00000000775A0000-0x0000000077749000-memory.dmp
    Filesize

    1.7MB

  • memory/2956-2-0x0000000000280000-0x00000000002ED000-memory.dmp
    Filesize

    436KB

  • memory/2956-131-0x0000000001B80000-0x0000000001C80000-memory.dmp
    Filesize

    1024KB

  • memory/2956-130-0x0000000000400000-0x0000000001A3D000-memory.dmp
    Filesize

    22.2MB

  • memory/2956-3-0x0000000000400000-0x0000000001A3D000-memory.dmp
    Filesize

    22.2MB

  • memory/2956-1-0x0000000001B80000-0x0000000001C80000-memory.dmp
    Filesize

    1024KB