Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 08:41

General

  • Target

    9bbc6ca8610d7090cfeb2b3f3881a2526ac3f729f2cd3e749168fb38991b525b.exe

  • Size

    1.3MB

  • MD5

    2225c03c5bb14e2e02f8d888252d3d12

  • SHA1

    326be1965a1539524141ea1a5707a157c7d4d5f5

  • SHA256

    9bbc6ca8610d7090cfeb2b3f3881a2526ac3f729f2cd3e749168fb38991b525b

  • SHA512

    3fa39ee0552ce33bad2327d2f4f59be2e11452b011292e3795db32b53a50a71b4350f8d92021b5fd068fa7dc2c12f93dd78487f3f24035ca420ddbe2a0391f92

  • SSDEEP

    24576:5y0LMN4FQFK9kCT0ROmvezfvKo3kqva6i3+V5O66s2kd9sR5gfyTBpTSMj68wM8W:s0LbFlqvBmr1kqyvslASSgfy9UMjHwD

Malware Config

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Signatures

  • Detect Mystic stealer payload 1 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bbc6ca8610d7090cfeb2b3f3881a2526ac3f729f2cd3e749168fb38991b525b.exe
    "C:\Users\Admin\AppData\Local\Temp\9bbc6ca8610d7090cfeb2b3f3881a2526ac3f729f2cd3e749168fb38991b525b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nj4yr8zq.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nj4yr8zq.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Hl0Ia4Xo.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Hl0Ia4Xo.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4652
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OT0zY3Ac.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OT0zY3Ac.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3824
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AZ0Tf2sG.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AZ0Tf2sG.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2812
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1gs84zQ2.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1gs84zQ2.exe
              6⤵
              • Executes dropped EXE
              PID:1336
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Zk641Kf.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Zk641Kf.exe
              6⤵
              • Executes dropped EXE
              PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nj4yr8zq.exe

    Filesize

    1.2MB

    MD5

    bdb6c0ef90a90db380cccc43eabdea68

    SHA1

    dbc09f37ddc2c3e198d96fdc88fc19c5384e308c

    SHA256

    13dcdff00505d67249c8829830e2255eefaa24ea740bb1080874963763e9c8d2

    SHA512

    0bec1f51b8f08c64deda1a3b3bea70ad06f3faa15da4757d71ce906d36e8789fb42e89a1b0aad49e0ae3daad8ee6b8ef37314f45470d07ab8d8abc072dde36dd

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Hl0Ia4Xo.exe

    Filesize

    1.0MB

    MD5

    b8f67da3d18ae902823fb8dc214f7ea0

    SHA1

    772723c653234ebddcbb694673220c562f3204a7

    SHA256

    d893aafc151cb9844bc61bab4eeac2b6d72bb1e5da29ed5ac6992b2414c2a534

    SHA512

    127ad7630a73d691ddecf41c3234a1e9b7f199516ca2b58a2b440faf79909092c7affb7bae8c6bf658c45db3bfd1aff662715c1ffaac22fe4ff84f4f91dfa658

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\OT0zY3Ac.exe

    Filesize

    522KB

    MD5

    79c6d74cd49f423ed2557a23e26a13ec

    SHA1

    8c75ad65571c9ac786fe230b4674169f7bd11ff5

    SHA256

    6a488f94cc48228eaf52eae27828e12987bb44a2dda1046a8bf56c846655a303

    SHA512

    d405e41b67a51903c56085b63919632e4f11c0d59766cacf03a1305a8c97e2bbc36f17ce0335f1d5105927538e84a07d067b3c81d17602cbe0ee0ab5a213034d

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AZ0Tf2sG.exe

    Filesize

    326KB

    MD5

    99f0be4cb2f1f8389c193ad86510bf63

    SHA1

    b7e2fccbc6037b0ef01aedce2a499d2b7855deb0

    SHA256

    2d9d0c2b54cf579136f4d9c7c90119962cf8530753d8c4453e41a69d861196de

    SHA512

    45826ee2ee8c4af4eb50fd21759e018f27e7bdd22977525bdc5e55085e847a3099f00206273db131753bf9e67ec3532ad70d2b0e14b1256a3c72232a7e7ba258

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1gs84zQ2.exe

    Filesize

    190KB

    MD5

    a6656e3d6d06c8ce9cbb4b6952553c20

    SHA1

    af45103616dc896da5ee4268fd5f9483b5b97c1c

    SHA256

    fec303b128c44607654c078736b96d2762722f51b6c473dfe5415158fd83718b

    SHA512

    f53f2214d3f192a352b2a93c66d91988a41a5ab9dbf15edd62ea8ce38da8a732114e3c46526d4dc6f3132330913b1acb90fa11ff454a1520d117149a86678d84

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Zk641Kf.exe

    Filesize

    221KB

    MD5

    46ebd974a5837ecbe5f28a9245f70188

    SHA1

    7136e53cb3a02fca9434b035ca7cd0e87af65c26

    SHA256

    9a8a9c591836f06c1c972e2953c91518344e6cba1c442aca9a93c5b796d92ed9

    SHA512

    012fa679718df16d46f49a195d2c6e061e7b402145039296d822dbdd31dc51b21270d17d1272b919b7376e2e4a173aa7a16bd9218ac8a1713498476c865be4b4

  • memory/2612-38-0x0000000000DB0000-0x0000000000DEE000-memory.dmp

    Filesize

    248KB

  • memory/2612-39-0x00000000081F0000-0x0000000008794000-memory.dmp

    Filesize

    5.6MB

  • memory/2612-40-0x0000000007CE0000-0x0000000007D72000-memory.dmp

    Filesize

    584KB

  • memory/2612-41-0x00000000031E0000-0x00000000031EA000-memory.dmp

    Filesize

    40KB

  • memory/2612-42-0x0000000008DC0000-0x00000000093D8000-memory.dmp

    Filesize

    6.1MB

  • memory/2612-43-0x0000000007FB0000-0x00000000080BA000-memory.dmp

    Filesize

    1.0MB

  • memory/2612-44-0x0000000007EC0000-0x0000000007ED2000-memory.dmp

    Filesize

    72KB

  • memory/2612-45-0x0000000007F20000-0x0000000007F5C000-memory.dmp

    Filesize

    240KB

  • memory/2612-46-0x0000000007F60000-0x0000000007FAC000-memory.dmp

    Filesize

    304KB