Analysis

  • max time kernel
    134s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 06:41

General

  • Target

    81fd624d5955fe64fb4aaf78d83dcacf.exe

  • Size

    456KB

  • MD5

    81fd624d5955fe64fb4aaf78d83dcacf

  • SHA1

    296d5a7a5a2da67c5c8bcc2d821ba2549ef8ab26

  • SHA256

    126d672929e69bcb66fd6cf50c6402ff1a100cf6640da4aff9f51511f9518c78

  • SHA512

    81bf0a1730c645ba6baf007adef34994506d81138485544c1a128e263ef1d562d55548f12d81ffea997522fc226fc74ea4005c185fa99da2bc65fef994b1c6a4

  • SSDEEP

    12288:SMAzoV3Y9YLR4W/Rt7yL794skEZUXwE8V:IoV3Y9YLRN/XQUOUXwE8V

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\81fd624d5955fe64fb4aaf78d83dcacf.exe
    "C:\Users\Admin\AppData\Local\Temp\81fd624d5955fe64fb4aaf78d83dcacf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Local\Temp\u1og.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1og.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2128
    • C:\Users\Admin\AppData\Local\Temp\u1og.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u1og.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:1060
      • 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:1868
        • 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:1492
    • C:\Users\Admin\AppData\Local\Temp\u1og.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u1og.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2580
      • 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:3024

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\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\d52a4c4eae5c44999f9619bb5302be95.tmp
    Filesize

    1KB

    MD5

    4c65da835dd8def618e6c10a3ba853bb

    SHA1

    98991bf82a906db169c3f6e3ee4c6ae4205a0234

    SHA256

    cb6a3d5949a62698bbf4cf46bf3142e8ad93bafcdfdb469522f708d735dbcdde

    SHA512

    39197bc1b2f0c13eff58642c486386c3ff939956fc3e0283840e81494042003d0c7a8dd404a1c77c6a24863ea371d3b55b9f1e7c04b7aeb1fbee10821f39792b

  • C:\Users\Admin\AppData\Local\Temp\U1OG1~1.ZIP
    Filesize

    3.7MB

    MD5

    78d3ca6355c93c72b494bb6a498bf639

    SHA1

    2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

    SHA256

    a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

    SHA512

    1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

  • C:\Users\Admin\AppData\Local\Temp\cb05a9dd
    Filesize

    1.4MB

    MD5

    81b645b8cb10204e5be42dc9c7b57df3

    SHA1

    33b879d12cf637e57540479fd39a5cbf97c3625c

    SHA256

    4ee5cdecccc7d581440e918ae56e05ddba5463a28e7692e9f8824e31b5ed0ecf

    SHA512

    6ef9c1f1b240a03b72da8b4b8240a1e4c73e38c26d4bdd090a037d0b143b7d80146d729b4ef0dc83ec5c94821de58cbffe60bcc4dddbc2cf22c781cac5a6fa80

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

    2KB

    MD5

    450cacfe5f45fb13b0fbecbf68263356

    SHA1

    04355947988d7df13c531bfd0a1c011903bb56f0

    SHA256

    69a40b5ab644f07d9a454d920f38a41da4cf9a53efcc57343809a859e53f5910

    SHA512

    882c12476f32e17cb29d2404dddfe20d17d384ef4a09ed29d3673f20dcf5e4e029983a192a2ce87c78e24aff040708ee0443b16329159221228d6f7a5c5c967e

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

    3KB

    MD5

    59da4b5b18595c3f9896ee01bbdf46b0

    SHA1

    5ef91edc3335d5f8efb1c1a7a3f6f438fa5a5b3a

    SHA256

    162549bb2d78010972d38ff720298d12a3821d1430e839a1774c219e9f9b5e20

    SHA512

    0dfe61c5543dd0ce56c71ccf260a52f58befe5402910ce9aa8a3062e970f1ca06423bb789a8743d148cb0a143c75cae828e656bc8aa0340e951732ca9e848973

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

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u1og.2\UIxMarketPlugin.dll
    Filesize

    1.6MB

    MD5

    d1ba9412e78bfc98074c5d724a1a87d6

    SHA1

    0572f98d78fb0b366b5a086c2a74cc68b771d368

    SHA256

    cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

    SHA512

    8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

  • C:\Users\Admin\AppData\Local\Temp\u1og.2\bunch.dat
    Filesize

    1.3MB

    MD5

    1e8237d3028ab52821d69099e0954f97

    SHA1

    30a6ae353adda0c471c6ed5b7a2458b07185abf2

    SHA256

    9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

    SHA512

    a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

  • C:\Users\Admin\AppData\Local\Temp\u1og.2\relay.dll
    Filesize

    1.5MB

    MD5

    10d51becd0bbce0fab147ff9658c565e

    SHA1

    4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

    SHA256

    7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

    SHA512

    29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

  • C:\Users\Admin\AppData\Local\Temp\u1og.2\run.exe
    Filesize

    2.4MB

    MD5

    9fb4770ced09aae3b437c1c6eb6d7334

    SHA1

    fe54b31b0db8665aa5b22bed147e8295afc88a03

    SHA256

    a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

    SHA512

    140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

  • C:\Users\Admin\AppData\Local\Temp\u1og.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\u1og.0.exe
    Filesize

    311KB

    MD5

    d8f0480ffd9a82c2532b6be3fbee1a76

    SHA1

    c72dc3cab1dc67c8039e7acabef9776fb244d74a

    SHA256

    76b73bd1533ce48cd2cf55316e62b3869e920992c4d7673339f9c5eefa7d922a

    SHA512

    13daf8bf9853043ad1913f45b634ac4d7b59d9320101e5b30ce9407ec1ca15fa1a990e67409cf9d3aeab10107a6e8ead6e79f55fee718a844a38556817c92116

  • \Users\Admin\AppData\Local\Temp\u1og.3.exe
    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1060-110-0x0000000077CA0000-0x0000000077E49000-memory.dmp
    Filesize

    1.7MB

  • memory/1060-109-0x0000000074860000-0x00000000749D4000-memory.dmp
    Filesize

    1.5MB

  • memory/1060-179-0x0000000074860000-0x00000000749D4000-memory.dmp
    Filesize

    1.5MB

  • memory/1492-305-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1492-312-0x0000000000400000-0x00000000004C6000-memory.dmp
    Filesize

    792KB

  • memory/1492-304-0x0000000073220000-0x0000000074282000-memory.dmp
    Filesize

    16.4MB

  • memory/1492-306-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/1868-189-0x0000000077CA0000-0x0000000077E49000-memory.dmp
    Filesize

    1.7MB

  • memory/1868-301-0x0000000074860000-0x00000000749D4000-memory.dmp
    Filesize

    1.5MB

  • memory/2128-239-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2128-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/2128-296-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2128-297-0x0000000000400000-0x0000000001A19000-memory.dmp
    Filesize

    22.1MB

  • memory/2176-131-0x0000000000400000-0x0000000001A3D000-memory.dmp
    Filesize

    22.2MB

  • memory/2176-132-0x0000000001C00000-0x0000000001D00000-memory.dmp
    Filesize

    1024KB

  • memory/2176-3-0x0000000000230000-0x000000000029D000-memory.dmp
    Filesize

    436KB

  • memory/2176-2-0x0000000000400000-0x0000000001A3D000-memory.dmp
    Filesize

    22.2MB

  • memory/2176-1-0x0000000001C00000-0x0000000001D00000-memory.dmp
    Filesize

    1024KB

  • memory/2580-249-0x0000000000400000-0x00000000008AD000-memory.dmp
    Filesize

    4.7MB

  • memory/3024-268-0x000000001EFF0000-0x000000001F100000-memory.dmp
    Filesize

    1.1MB

  • memory/3024-279-0x000000001EED0000-0x000000001EF32000-memory.dmp
    Filesize

    392KB

  • memory/3024-283-0x0000000005880000-0x000000000588A000-memory.dmp
    Filesize

    40KB

  • memory/3024-287-0x000000001FFC0000-0x00000000202C0000-memory.dmp
    Filesize

    3.0MB

  • memory/3024-289-0x000000001E0D0000-0x000000001E0DA000-memory.dmp
    Filesize

    40KB

  • memory/3024-291-0x000000001E5F0000-0x000000001E5FA000-memory.dmp
    Filesize

    40KB

  • memory/3024-292-0x000000001E600000-0x000000001E622000-memory.dmp
    Filesize

    136KB

  • memory/3024-295-0x000000001EAC0000-0x000000001EACC000-memory.dmp
    Filesize

    48KB

  • memory/3024-278-0x000000001DF40000-0x000000001DFBA000-memory.dmp
    Filesize

    488KB

  • memory/3024-277-0x000000001F820000-0x000000001F8D2000-memory.dmp
    Filesize

    712KB

  • memory/3024-276-0x000000001DF10000-0x000000001DF3A000-memory.dmp
    Filesize

    168KB

  • memory/3024-302-0x000000001E0D0000-0x000000001E0DA000-memory.dmp
    Filesize

    40KB

  • memory/3024-275-0x0000000005870000-0x000000000587A000-memory.dmp
    Filesize

    40KB

  • memory/3024-273-0x0000000000970000-0x0000000000994000-memory.dmp
    Filesize

    144KB

  • memory/3024-272-0x0000000000390000-0x00000000003A4000-memory.dmp
    Filesize

    80KB

  • memory/3024-270-0x00000000003A0000-0x00000000003AC000-memory.dmp
    Filesize

    48KB

  • memory/3024-269-0x0000000000380000-0x0000000000390000-memory.dmp
    Filesize

    64KB

  • memory/3024-250-0x0000000000990000-0x0000000004288000-memory.dmp
    Filesize

    57.0MB