Analysis

  • max time kernel
    267s
  • max time network
    276s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 23:29

General

  • Target

    91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe

  • Size

    434KB

  • MD5

    149677290aa8404040c2f2ec8c285e21

  • SHA1

    87e8011dc4e5650043062ef9f53de7a4a0531f1d

  • SHA256

    91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114

  • SHA512

    d14a49d2698786fe8b7361c349937f319b613b8be8c579ce641fe2786031ec789cdd6c8b9f00d1cd0729662fab30aedba5885f262dae93dbfaeb0dc11bbce12a

  • SSDEEP

    6144:YjCWCQdVWjXWRSltCvyKN51/jFU+piWhXCS4W6N2sPyOG+V81t6xjl:u5/WMPZ1/jFU+pi8XD6NUD8xjl

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Detects Arechclient2 RAT 1 IoCs

    Arechclient2.

  • 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 18 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 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe
    "C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\u19k.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u19k.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3024
    • C:\Users\Admin\AppData\Local\Temp\u19k.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u19k.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:376
      • 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:1036
        • 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:1764
    • C:\Users\Admin\AppData\Local\Temp\u19k.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u19k.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1420
      • 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:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\f40fa09571ae3e4604ca1ef5093c12d04345052412cd199086553bfab6d3b7c7\e562e80b481946bdaa1076624deaf188.tmp

    Filesize

    1KB

    MD5

    bcfb5a7fae71fc2cb56a9dc49ddd3ab7

    SHA1

    cb2f78db6b4a401f912a1b9324ece65812287f10

    SHA256

    abf48179450baf29b909975b2cf639d5d888eaf3eceee49a120c91e093a91fca

    SHA512

    594a8187f2aa0debc2be07e1151dcc22d40b3d4d0be3e14c596947fad155f964beff6147d46eac02b187dab9ab19affda0d6033ce6929ff0ea681ac4d534dec9

  • C:\Users\Admin\AppData\Local\Temp\U19K1~1.ZIP

    Filesize

    1.6MB

    MD5

    9bb67e904ac371b5ffd143f8fb54e1e2

    SHA1

    58009e463133af8b89b59716fe255b118eca872c

    SHA256

    44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

    SHA512

    573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

  • C:\Users\Admin\AppData\Local\Temp\e2e78f8a

    Filesize

    1.4MB

    MD5

    7ab9537d6a6f8dd9d60f4df924ca3d6d

    SHA1

    24cf26b97e832fcb7af0710dd4893025021c92ec

    SHA256

    958ac481d8eb689f9fec76027a2eee1d4983c5c44c2cb97492d2349db97d9358

    SHA512

    b91bf311fe25f79bf91808befa8d8c9813b7150f5076ecc4372c6cf753a2a95fab0f2d5794f9181675f6042ed9269c30a0a3b7d2d4ad473e1903e653ed9dd4e7

  • C:\Users\Admin\AppData\Local\Temp\tmpB7CC.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u19k.0.exe

    Filesize

    262KB

    MD5

    f0dac37ebcbdf6049fdaddd88f555fe2

    SHA1

    6f0195060249777d77c38622b1c3b0fd7cbc1dfd

    SHA256

    03402214ff5c205ad0bcb67ee7785ff2a438f98cb1994ef5454f49115b3e1a3d

    SHA512

    01862013d331209241812d0b4109db84fede0c8f245af2a718acd1e8925e01b2206ca8987ffb40b6bb2581b27cbcde71e77898c0eb9f1ba6a97e797e915a2239

  • C:\Users\Admin\AppData\Local\Temp\u19k.2\doubled.doc

    Filesize

    512KB

    MD5

    ee3b61c736faa4e6427e0316c40234ec

    SHA1

    627c1d4d9894c858a4c6bccfa86da2b61d6736ed

    SHA256

    0fb107612f3e7a93b086810f71270d8d84e21e5e143a7daf63a4fff676b83b4c

    SHA512

    4a24b16b62071c31d04db87130b02f0e7d8868c7cf9bbac3923a7c7091cb9d21114637de58d85c2e5e96a0ca85d8247e229bb2dbb67c465c9b0512058b6ba2f3

  • C:\Users\Admin\AppData\Local\Temp\u19k.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u19k.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • C:\Users\Admin\AppData\Local\Temp\u19k.3.exe

    Filesize

    2.8MB

    MD5

    74e52168f2ae714da4a52c75e78effcc

    SHA1

    97636f0e3c47a714a9553924428015584c985ed9

    SHA256

    f59e0e9ef3491fdbb3b50fa47bba17d6cb54613851c436a27fa417dbcaf3b0f7

    SHA512

    5d4a160b390c6cbf909bec1f8f39ba8d17ea3965ce11aaf20e232828c11e77cc0fe5413a37dd09e3ccd09c25fbe241df67b409ed36056f446b8e179a6e2f5726

  • \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\u19k.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u19k.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • \Users\Admin\AppData\Local\Temp\u19k.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • \Users\Admin\AppData\Local\Temp\u19k.3.exe

    Filesize

    2.1MB

    MD5

    0ef4e27e914de46c682cd3d6f564d1cf

    SHA1

    aa00eb2e895a80e1e5881d1b4618c844858ecb21

    SHA256

    c7be7abeb3504d7eb53fa89e99029bea1e715fa4b3964ac0c54a298af5781f75

    SHA512

    a6c94949b67dc653fefd6e9b9726307c18e91ced8aa82be950561383b75c5823d5241a65d68157a7249ea34923148b0b1f877d5137e3dc44bbe076fb920b63f9

  • \Users\Admin\AppData\Local\Temp\u19k.3.exe

    Filesize

    1.2MB

    MD5

    4568a09ed4c4d33d5927ca49126175e5

    SHA1

    c85098d1fd73efff640e724dbee98fbb8ad8ceea

    SHA256

    7f7cf5fbe5c5025d6b6ee86b78e133e0f93aab5ba94e272ae716bfee5f9d77d1

    SHA512

    ccadb3bea90c874699f6f6155bdebcf7a6a37489247a1786dd26878f57d94a1d03083ec2e1988e4213e260dac1b8de424f4dabe81ed33e17c9734dc9b670f45e

  • \Users\Admin\AppData\Local\Temp\u19k.3.exe

    Filesize

    448KB

    MD5

    714ed1fe342bcd239ba4553e3f6c4f07

    SHA1

    259a760f115258d0989f86a1c72254846ba993d8

    SHA256

    178620f812db0c3b5d192daa2fc32c9313c073151522ca358f9266cef2c2597d

    SHA512

    1c80026f7d731c2a964cfa3fe7078c4602ecb0a3d08f431c655f66f990ccb90887886c76cf9b70bd18bd58fcc992fff6b54bec3a492d8e811855cc0d56fb198f

  • memory/376-186-0x0000000073E30000-0x0000000073FA4000-memory.dmp

    Filesize

    1.5MB

  • memory/376-126-0x0000000077240000-0x00000000773E9000-memory.dmp

    Filesize

    1.7MB

  • memory/376-125-0x0000000073E30000-0x0000000073FA4000-memory.dmp

    Filesize

    1.5MB

  • memory/1036-319-0x0000000073E30000-0x0000000073FA4000-memory.dmp

    Filesize

    1.5MB

  • memory/1036-209-0x0000000077240000-0x00000000773E9000-memory.dmp

    Filesize

    1.7MB

  • memory/1420-267-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/1640-158-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/1640-2-0x00000000002B0000-0x000000000031D000-memory.dmp

    Filesize

    436KB

  • memory/1640-179-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/1640-181-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

    Filesize

    1024KB

  • memory/1640-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1640-1-0x0000000002BA0000-0x0000000002CA0000-memory.dmp

    Filesize

    1024KB

  • memory/1640-180-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1764-341-0x0000000000400000-0x00000000004C6000-memory.dmp

    Filesize

    792KB

  • memory/1764-332-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1764-331-0x00000000724C0000-0x0000000073522000-memory.dmp

    Filesize

    16.4MB

  • memory/1764-333-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2892-271-0x00000000057A0000-0x00000000057AC000-memory.dmp

    Filesize

    48KB

  • memory/2892-279-0x000000001EA40000-0x000000001EA6A000-memory.dmp

    Filesize

    168KB

  • memory/2892-285-0x000000001FD80000-0x0000000020080000-memory.dmp

    Filesize

    3.0MB

  • memory/2892-281-0x0000000003C30000-0x0000000003C3A000-memory.dmp

    Filesize

    40KB

  • memory/2892-292-0x0000000003C50000-0x0000000003C5A000-memory.dmp

    Filesize

    40KB

  • memory/2892-291-0x0000000003C50000-0x0000000003C5A000-memory.dmp

    Filesize

    40KB

  • memory/2892-268-0x0000000000080000-0x00000000038B4000-memory.dmp

    Filesize

    56.2MB

  • memory/2892-270-0x0000000003C60000-0x0000000003C70000-memory.dmp

    Filesize

    64KB

  • memory/2892-305-0x0000000005960000-0x0000000005982000-memory.dmp

    Filesize

    136KB

  • memory/2892-304-0x000000001F700000-0x000000001F762000-memory.dmp

    Filesize

    392KB

  • memory/2892-303-0x0000000005950000-0x000000000595A000-memory.dmp

    Filesize

    40KB

  • memory/2892-308-0x000000001E430000-0x000000001E43C000-memory.dmp

    Filesize

    48KB

  • memory/2892-275-0x0000000003DC0000-0x0000000003DD4000-memory.dmp

    Filesize

    80KB

  • memory/2892-278-0x000000001E890000-0x000000001E89A000-memory.dmp

    Filesize

    40KB

  • memory/2892-320-0x0000000003C50000-0x0000000003C5A000-memory.dmp

    Filesize

    40KB

  • memory/2892-276-0x000000001E470000-0x000000001E494000-memory.dmp

    Filesize

    144KB

  • memory/2892-269-0x000000001EB90000-0x000000001EC9A000-memory.dmp

    Filesize

    1.0MB

  • memory/2892-280-0x000000001F8A0000-0x000000001F952000-memory.dmp

    Filesize

    712KB

  • memory/3024-329-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/3024-335-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/3024-290-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/3024-189-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/3024-132-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB