Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 17:01

General

  • Target

    fb618de176f20e02e8f9667fd9ce9737e7d541243fbb879127b2f1728ea15019.exe

  • Size

    649KB

  • MD5

    8f5a80f4aee9459c4c228b1efcf8dc0d

  • SHA1

    dfc8371c59dac97dd00bff885bee72003807d1dc

  • SHA256

    fb618de176f20e02e8f9667fd9ce9737e7d541243fbb879127b2f1728ea15019

  • SHA512

    88e2ec8d299fe08f773045259a378cf776382fd56e989fdc8ddb5113327aa15b8c4b88c1d15b31a8d42530e366412d34e98e8a5cd106310cdd4abb24b8bcb324

  • SSDEEP

    12288:wMrzy90UAJ0lQk/aDACA0ZuFHmci4roooSdZH+k4FvbKSoggLB1PUNcO:Ty4D8a830cFzrlXdZek4FdNgLB1cl

Malware Config

Extracted

Family

redline

Botnet

virad

C2

77.91.124.82:19071

Attributes
  • auth_value

    434dd63619ca8bbf10125913fb40ca28

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 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb618de176f20e02e8f9667fd9ce9737e7d541243fbb879127b2f1728ea15019.exe
    "C:\Users\Admin\AppData\Local\Temp\fb618de176f20e02e8f9667fd9ce9737e7d541243fbb879127b2f1728ea15019.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9137950.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9137950.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5112
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y2772997.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y2772997.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5918346.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5918346.exe
          4⤵
          • Executes dropped EXE
          PID:3876
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8924738.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8924738.exe
          4⤵
          • Executes dropped EXE
          PID:4116
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4028,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8
    1⤵
      PID:4660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y9137950.exe

      Filesize

      547KB

      MD5

      121980eafceea5103b8636ad8630d391

      SHA1

      88ae7dd71504369ed8ae9ab1a875b26ac98ea569

      SHA256

      ac7b643ffef4c28a2845f77272341a1296fbc48821d3bcb12042da60778575e3

      SHA512

      696771ed8cfcd3ed0eb5af4f1a42bf52f54de730131a06be4aae34232f3989f0cd8dbd0f30b9dd094b19b250e53f8b077d9cf2182e512e5598076b3d4fbd175a

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y2772997.exe

      Filesize

      271KB

      MD5

      ee84e347fe7ba2b972a981b6799e38b8

      SHA1

      7d1bbd5c8ee2aeb43276e8ad6a32b009c9f48eb1

      SHA256

      9e86857a1d51a4b16ade0e4aca772ea754be2836bc872a6536c6ea3e7cf9260e

      SHA512

      b6c42216d9f1abaacbd7b43aa39b05b319bd55deff94bcb40e19d316f4f1b53adca20a85d0ace546832f4a21eff318ae666e6e03a1980dddfdb90fd875bdd35e

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\m5918346.exe

      Filesize

      140KB

      MD5

      f24327d77cc80fcc87464b43ecff87ae

      SHA1

      355f27152f2e6dd09af253621a43837542c42d25

      SHA256

      b7567bf08fcbdd44df101b8e4ade863d1afa9dd6c643bd28a506116f8db33a92

      SHA512

      f1bf4fb8d15dec3bdfe68398cf69674fc840cccfe8712b9d27c059c97df1e985c88e28bf4837ee9bac7a93e8486d618e719de3f56ca7891e7a58e2cfda51b2d8

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n8924738.exe

      Filesize

      174KB

      MD5

      51ee9840b1149394db1ec91b4a3e00ca

      SHA1

      806feb63381fca5a41f1f50f9cbc4fc017da18af

      SHA256

      60765574d34bbf8700fb032847726fb58c6871ec5741e365f1c5c3e9df5a13d7

      SHA512

      4eac396604e4690085d15f8fae4245b8b531ae89d3acc1a95d81ff18e98146db4aa8f4d3314f14f9fad9d177d6127bdded4badedf4a59c290a8111ac67a0eb63

    • memory/4116-24-0x0000000000A60000-0x0000000000A90000-memory.dmp

      Filesize

      192KB

    • memory/4116-25-0x0000000002D90000-0x0000000002D96000-memory.dmp

      Filesize

      24KB

    • memory/4116-26-0x0000000005AA0000-0x00000000060B8000-memory.dmp

      Filesize

      6.1MB

    • memory/4116-27-0x0000000005590000-0x000000000569A000-memory.dmp

      Filesize

      1.0MB

    • memory/4116-28-0x00000000052E0000-0x00000000052F2000-memory.dmp

      Filesize

      72KB

    • memory/4116-29-0x0000000005480000-0x00000000054BC000-memory.dmp

      Filesize

      240KB

    • memory/4116-30-0x00000000054C0000-0x000000000550C000-memory.dmp

      Filesize

      304KB