Analysis

  • max time kernel
    264s
  • max time network
    297s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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 2 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 5 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 24 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe
    "C:\Users\Admin\AppData\Local\Temp\91f2dfdf9d688737d07ae80174d5e6a30f6147ce39ebe437ac89460ebdd8d114.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4160
    • C:\Users\Admin\AppData\Local\Temp\u37k.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u37k.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3184
    • C:\Users\Admin\AppData\Local\Temp\u37k.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u37k.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:2416
      • 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:4084
        • 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:4920
    • C:\Users\Admin\AppData\Local\Temp\u37k.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u37k.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2444
      • 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:4492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\Users\Admin\AppData\Local\Temp\42351068

    Filesize

    1.4MB

    MD5

    c89f198d535037351d4f0906c1a94df6

    SHA1

    d90e3d04a33fe8a2e1862a76c979cc3f4dd4e723

    SHA256

    c1a10ba950c028fcf127be87e23e79680de1830f27e24178585fbf2599ff0bff

    SHA512

    fc7d2fb98408fd64e0c2f873da1c07fa56771a685115c4b2d45f220159f46b29c7eaf4d11c044eaeb38c276f7fbe96a8e917f367be42b29ffe409f6e7c48e886

  • C:\Users\Admin\AppData\Local\Temp\tmpB571.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u37k.0.exe

    Filesize

    262KB

    MD5

    f0dac37ebcbdf6049fdaddd88f555fe2

    SHA1

    6f0195060249777d77c38622b1c3b0fd7cbc1dfd

    SHA256

    03402214ff5c205ad0bcb67ee7785ff2a438f98cb1994ef5454f49115b3e1a3d

    SHA512

    01862013d331209241812d0b4109db84fede0c8f245af2a718acd1e8925e01b2206ca8987ffb40b6bb2581b27cbcde71e77898c0eb9f1ba6a97e797e915a2239

  • C:\Users\Admin\AppData\Local\Temp\u37k.1.zip

    Filesize

    448KB

    MD5

    45a6411ae7ba721a6a716968c91ed531

    SHA1

    c4151fe5ed5116d7862eb440a67cdd8863e15fd9

    SHA256

    4c310678afbf34039cb958393a37163d6ec6c5c334e9cebfc2b9511bbef9ff20

    SHA512

    a178ad2af62cf2060dca53de5b1d6ff98f5c33842bb2b8b8b9aa1b416281ca0e635b4f31e7359b14cfb322a1c733328aa953fceea68c22ef2d5d27a4b0d3dd19

  • C:\Users\Admin\AppData\Local\Temp\u37k.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u37k.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u37k.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • C:\Users\Admin\AppData\Local\Temp\u37k.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • \ProgramData\nss3.dll

    Filesize

    1.9MB

    MD5

    a37ec6fd63b1d70d3d6206a292be1d51

    SHA1

    cb5cdc36817f08ec07318ca9278430f329fb4b14

    SHA256

    5110226be5822752077f259965f46aad25806764b6095c6e9339f23a3b5f3798

    SHA512

    89a4cc6c10693138e1c965de593ea03f81601ca13d43de29899963a2d7319501c5f83b932ab884734da6d7b076ed53238310883596bb4e15973976dc99191746

  • \Users\Admin\AppData\Local\Temp\u37k.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u37k.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • \Users\Admin\AppData\Local\Temp\u37k.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • memory/2416-107-0x0000000072F80000-0x00000000730FB000-memory.dmp

    Filesize

    1.5MB

  • memory/2416-108-0x00007FF8DE920000-0x00007FF8DEAFB000-memory.dmp

    Filesize

    1.9MB

  • memory/2416-144-0x0000000072F80000-0x00000000730FB000-memory.dmp

    Filesize

    1.5MB

  • memory/2444-161-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2444-150-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/3184-281-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/3184-245-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/3184-197-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/3184-252-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/3184-287-0x0000000000400000-0x0000000002AFE000-memory.dmp

    Filesize

    39.0MB

  • memory/4084-147-0x00007FF8DE920000-0x00007FF8DEAFB000-memory.dmp

    Filesize

    1.9MB

  • memory/4084-189-0x0000000072F80000-0x00000000730FB000-memory.dmp

    Filesize

    1.5MB

  • memory/4160-2-0x00000000031C0000-0x000000000322D000-memory.dmp

    Filesize

    436KB

  • memory/4160-120-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4160-10-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/4160-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4160-119-0x00000000031C0000-0x000000000322D000-memory.dmp

    Filesize

    436KB

  • memory/4160-1-0x0000000002C60000-0x0000000002D60000-memory.dmp

    Filesize

    1024KB

  • memory/4160-118-0x0000000000400000-0x0000000002B2A000-memory.dmp

    Filesize

    39.2MB

  • memory/4492-173-0x000001EBA81E0000-0x000001EBA81EA000-memory.dmp

    Filesize

    40KB

  • memory/4492-190-0x000001EBC15B0000-0x000001EBC1626000-memory.dmp

    Filesize

    472KB

  • memory/4492-177-0x000001EBC11F0000-0x000001EBC14F0000-memory.dmp

    Filesize

    3.0MB

  • memory/4492-179-0x000001EBC5320000-0x000001EBC5328000-memory.dmp

    Filesize

    32KB

  • memory/4492-181-0x000001EBC5380000-0x000001EBC5388000-memory.dmp

    Filesize

    32KB

  • memory/4492-180-0x000001EBC53A0000-0x000001EBC53D8000-memory.dmp

    Filesize

    224KB

  • memory/4492-182-0x000001EBC64B0000-0x000001EBC64BA000-memory.dmp

    Filesize

    40KB

  • memory/4492-184-0x000001EBC6530000-0x000001EBC6552000-memory.dmp

    Filesize

    136KB

  • memory/4492-183-0x000001EBC64D0000-0x000001EBC6532000-memory.dmp

    Filesize

    392KB

  • memory/4492-185-0x000001EBC6A80000-0x000001EBC6FA6000-memory.dmp

    Filesize

    5.1MB

  • memory/4492-188-0x000001EBC64C0000-0x000001EBC64CC000-memory.dmp

    Filesize

    48KB

  • memory/4492-171-0x000001EBC1170000-0x000001EBC11C0000-memory.dmp

    Filesize

    320KB

  • memory/4492-172-0x000001EBC11C0000-0x000001EBC11E2000-memory.dmp

    Filesize

    136KB

  • memory/4492-191-0x000001EBC1510000-0x000001EBC152E000-memory.dmp

    Filesize

    120KB

  • memory/4492-162-0x000001EBA2CE0000-0x000001EBA6514000-memory.dmp

    Filesize

    56.2MB

  • memory/4492-169-0x000001EBC1020000-0x000001EBC104A000-memory.dmp

    Filesize

    168KB

  • memory/4492-163-0x000001EBC0CA0000-0x000001EBC0DAA000-memory.dmp

    Filesize

    1.0MB

  • memory/4492-168-0x000001EBC1010000-0x000001EBC101A000-memory.dmp

    Filesize

    40KB

  • memory/4492-165-0x000001EBC09B0000-0x000001EBC09BC000-memory.dmp

    Filesize

    48KB

  • memory/4492-164-0x000001EBA81C0000-0x000001EBA81D0000-memory.dmp

    Filesize

    64KB

  • memory/4492-166-0x000001EBC09A0000-0x000001EBC09B4000-memory.dmp

    Filesize

    80KB

  • memory/4492-167-0x000001EBC0EB0000-0x000001EBC0ED4000-memory.dmp

    Filesize

    144KB

  • memory/4492-170-0x000001EBC1070000-0x000001EBC1122000-memory.dmp

    Filesize

    712KB

  • memory/4920-221-0x00000000057F0000-0x0000000005882000-memory.dmp

    Filesize

    584KB

  • memory/4920-234-0x0000000005D70000-0x0000000005D8E000-memory.dmp

    Filesize

    120KB

  • memory/4920-235-0x0000000006530000-0x0000000006596000-memory.dmp

    Filesize

    408KB

  • memory/4920-230-0x0000000006A60000-0x0000000006F8C000-memory.dmp

    Filesize

    5.2MB

  • memory/4920-229-0x0000000003410000-0x000000000341A000-memory.dmp

    Filesize

    40KB

  • memory/4920-246-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

    Filesize

    40KB

  • memory/4920-227-0x0000000005890000-0x0000000005906000-memory.dmp

    Filesize

    472KB

  • memory/4920-228-0x0000000005960000-0x00000000059B0000-memory.dmp

    Filesize

    320KB

  • memory/4920-226-0x0000000006360000-0x0000000006522000-memory.dmp

    Filesize

    1.8MB

  • memory/4920-222-0x0000000005E60000-0x000000000635E000-memory.dmp

    Filesize

    5.0MB

  • memory/4920-220-0x0000000001300000-0x00000000013C6000-memory.dmp

    Filesize

    792KB

  • memory/4920-194-0x0000000071590000-0x0000000072913000-memory.dmp

    Filesize

    19.5MB