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Analysis

  • max time kernel
    296s
  • 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
    08/05/2024, 23:53

General

  • Target

    ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe

  • Size

    419KB

  • MD5

    23a552659649b551b45ee82f29eeb0f3

  • SHA1

    b11cc99614a496e169b68245248ad108d25a1ebe

  • SHA256

    ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9

  • SHA512

    77579b896acd78b1f3dc603d92004c25dfe031f9ed40a6e737d338c054e06b17d149f2341ab86b12b317005f0d5859a847c69dfa3f4c2a6a69d18e7dd6764aa0

  • SSDEEP

    6144:adQDC9/gjoevDLvcjEgQvXr04KLq8pGYkmCuf8Tt41:adQDSojoevn4o04T8pGYkmCh41

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 3 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).

  • Program crash 1 IoCs
  • 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 23 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\ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe
    "C:\Users\Admin\AppData\Local\Temp\ccc8a6f55ef2025afc69a9810d8dde726e5c3c71de31b59a3edf0610160dcdf9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Users\Admin\AppData\Local\Temp\u3s8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3s8.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 1160
        3⤵
        • Program crash
        PID:4260
    • C:\Users\Admin\AppData\Local\Temp\u3s8.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3s8.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:164
      • 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:4376
        • 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:4576
    • C:\Users\Admin\AppData\Local\Temp\u3s8.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3s8.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1792
      • 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:1284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\f5e89ddb

    Filesize

    1.4MB

    MD5

    4a3450b9aa4a2ef73ea25065d7a4e248

    SHA1

    3cd35076e956df1e1b782b5f64f53d83c0c8e66d

    SHA256

    5bad2da884393c52c36838dfd13123c0b5c6b46cc89b193903254469527ecadd

    SHA512

    45701af10438ae9b174a521e4f789cc90b76e255d01e2fd96cc385bb0ac3d9f996affba07bd62d59b5acd29dbb46e16c6ccf7d8c87ac3c69587ef7f61f2370cd

  • C:\Users\Admin\AppData\Local\Temp\tmpF7A0.tmp

    Filesize

    20KB

    MD5

    c9ff7748d8fcef4cf84a5501e996a641

    SHA1

    02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

    SHA256

    4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

    SHA512

    d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

  • C:\Users\Admin\AppData\Local\Temp\u3s8.0.exe

    Filesize

    223KB

    MD5

    ac3b1a30e96b6d89ce98a21bb5b2093a

    SHA1

    4270104678195b8cad3520a704c556155a0a65b5

    SHA256

    803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463

    SHA512

    65e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491

  • C:\Users\Admin\AppData\Local\Temp\u3s8.1.zip

    Filesize

    1.6MB

    MD5

    9bb67e904ac371b5ffd143f8fb54e1e2

    SHA1

    58009e463133af8b89b59716fe255b118eca872c

    SHA256

    44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

    SHA512

    573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

  • C:\Users\Admin\AppData\Local\Temp\u3s8.2\AsIO.dll

    Filesize

    120KB

    MD5

    f383f6f4e764619bd19e319335d3ef2b

    SHA1

    99f287e49a15e495b4ead8e5589364a5f87b357e

    SHA256

    03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

    SHA512

    6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

  • C:\Users\Admin\AppData\Local\Temp\u3s8.2\doubled.doc

    Filesize

    1.2MB

    MD5

    f344794dc910dc343f92ded2c6b5e0ab

    SHA1

    e5878518ce55ce5bd1890d5e04a82eb22d5a848a

    SHA256

    3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

    SHA512

    ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

  • C:\Users\Admin\AppData\Local\Temp\u3s8.2\protactinium.log

    Filesize

    84KB

    MD5

    a276acc3fd657d7665bd4ddce8fb9749

    SHA1

    c02642eec3f4e8b0314045ee95e0a15abd853ea8

    SHA256

    6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

    SHA512

    178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

  • C:\Users\Admin\AppData\Local\Temp\u3s8.2\run.exe

    Filesize

    446KB

    MD5

    485008b43f0edceba0e0d3ca04bc1c1a

    SHA1

    55ae8f105af415bb763d1b87f6572f078052877c

    SHA256

    12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

    SHA512

    402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

  • C:\Users\Admin\AppData\Local\Temp\u3s8.3.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • \Users\Admin\AppData\Local\Temp\u3s8.2\ASUS_WMI.dll

    Filesize

    224KB

    MD5

    3f109a02c8d642e8003a1188df40d861

    SHA1

    f723f38471b8872443aa9177eef12a96c02cc84a

    SHA256

    6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

    SHA512

    023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

  • \Users\Admin\AppData\Local\Temp\u3s8.2\ATKEX.dll

    Filesize

    84KB

    MD5

    e68562f63265e1a70881446b4b9dc455

    SHA1

    da16ef9367bde3ce892b1a0e33bc179d8acdceb3

    SHA256

    c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

    SHA512

    6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

  • memory/164-114-0x0000000072040000-0x00000000721BB000-memory.dmp

    Filesize

    1.5MB

  • memory/164-106-0x0000000072040000-0x00000000721BB000-memory.dmp

    Filesize

    1.5MB

  • memory/164-107-0x00007FFFEFCB0000-0x00007FFFEFE8B000-memory.dmp

    Filesize

    1.9MB

  • memory/1284-211-0x0000027BC9BD0000-0x0000027BC9BDA000-memory.dmp

    Filesize

    40KB

  • memory/1284-193-0x0000027BAB7C0000-0x0000027BAB7CA000-memory.dmp

    Filesize

    40KB

  • memory/1284-201-0x0000027BC8AA0000-0x0000027BC8AA8000-memory.dmp

    Filesize

    32KB

  • memory/1284-214-0x0000027BCA1A0000-0x0000027BCA6C6000-memory.dmp

    Filesize

    5.1MB

  • memory/1284-185-0x0000027BC4570000-0x0000027BC457C000-memory.dmp

    Filesize

    48KB

  • memory/1284-213-0x0000027BC9C50000-0x0000027BC9C72000-memory.dmp

    Filesize

    136KB

  • memory/1284-212-0x0000027BC9BF0000-0x0000027BC9C52000-memory.dmp

    Filesize

    392KB

  • memory/1284-219-0x0000027BC9D30000-0x0000027BC9DA6000-memory.dmp

    Filesize

    472KB

  • memory/1284-220-0x0000027BC9C90000-0x0000027BC9CAE000-memory.dmp

    Filesize

    120KB

  • memory/1284-200-0x0000027BC98D0000-0x0000027BC9908000-memory.dmp

    Filesize

    224KB

  • memory/1284-199-0x0000027BC8A40000-0x0000027BC8A48000-memory.dmp

    Filesize

    32KB

  • memory/1284-217-0x0000027BC9BE0000-0x0000027BC9BEC000-memory.dmp

    Filesize

    48KB

  • memory/1284-197-0x0000027BC48F0000-0x0000027BC4BF0000-memory.dmp

    Filesize

    3.0MB

  • memory/1284-188-0x0000027BAB7B0000-0x0000027BAB7BA000-memory.dmp

    Filesize

    40KB

  • memory/1284-189-0x0000027BC4730000-0x0000027BC475A000-memory.dmp

    Filesize

    168KB

  • memory/1284-190-0x0000027BC4770000-0x0000027BC4822000-memory.dmp

    Filesize

    712KB

  • memory/1284-192-0x0000027BC48C0000-0x0000027BC48E2000-memory.dmp

    Filesize

    136KB

  • memory/1284-191-0x0000027BC4870000-0x0000027BC48C0000-memory.dmp

    Filesize

    320KB

  • memory/1284-183-0x0000027BC4360000-0x0000027BC446A000-memory.dmp

    Filesize

    1.0MB

  • memory/1284-186-0x0000027BC4140000-0x0000027BC4154000-memory.dmp

    Filesize

    80KB

  • memory/1284-187-0x0000027BC45D0000-0x0000027BC45F4000-memory.dmp

    Filesize

    144KB

  • memory/1284-182-0x0000027BA6400000-0x0000027BA9C34000-memory.dmp

    Filesize

    56.2MB

  • memory/1284-184-0x0000027BAB7E0000-0x0000027BAB7F0000-memory.dmp

    Filesize

    64KB

  • memory/1792-180-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB

  • memory/2772-117-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

  • memory/2772-388-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

  • memory/2772-384-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

  • memory/2772-386-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

  • memory/2772-122-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

  • memory/4376-118-0x00007FFFEFCB0000-0x00007FFFEFE8B000-memory.dmp

    Filesize

    1.9MB

  • memory/4376-125-0x0000000072040000-0x00000000721BB000-memory.dmp

    Filesize

    1.5MB

  • memory/4576-169-0x00000000058B0000-0x0000000005942000-memory.dmp

    Filesize

    584KB

  • memory/4576-170-0x0000000005E50000-0x000000000634E000-memory.dmp

    Filesize

    5.0MB

  • memory/4576-218-0x0000000007EF0000-0x0000000007EFA000-memory.dmp

    Filesize

    40KB

  • memory/4576-168-0x0000000001310000-0x00000000013D6000-memory.dmp

    Filesize

    792KB

  • memory/4576-156-0x0000000070880000-0x0000000071C03000-memory.dmp

    Filesize

    19.5MB

  • memory/4576-172-0x0000000005950000-0x00000000059C6000-memory.dmp

    Filesize

    472KB

  • memory/4576-181-0x00000000065F0000-0x0000000006656000-memory.dmp

    Filesize

    408KB

  • memory/4576-173-0x00000000059D0000-0x0000000005A20000-memory.dmp

    Filesize

    320KB

  • memory/4576-171-0x0000000006350000-0x0000000006512000-memory.dmp

    Filesize

    1.8MB

  • memory/4576-174-0x0000000005840000-0x000000000584A000-memory.dmp

    Filesize

    40KB

  • memory/4576-178-0x0000000006A50000-0x0000000006F7C000-memory.dmp

    Filesize

    5.2MB

  • memory/4576-179-0x0000000006520000-0x000000000653E000-memory.dmp

    Filesize

    120KB

  • memory/4576-223-0x0000000007F20000-0x0000000007F32000-memory.dmp

    Filesize

    72KB

  • memory/4904-131-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4904-113-0x0000000000400000-0x0000000002B26000-memory.dmp

    Filesize

    39.1MB

  • memory/4904-2-0x0000000002FC0000-0x000000000302D000-memory.dmp

    Filesize

    436KB

  • memory/4904-1-0x0000000002B90000-0x0000000002C90000-memory.dmp

    Filesize

    1024KB

  • memory/4904-3-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4904-121-0x0000000002B90000-0x0000000002C90000-memory.dmp

    Filesize

    1024KB

  • memory/4904-123-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4904-130-0x0000000000400000-0x0000000002B26000-memory.dmp

    Filesize

    39.1MB