Analysis

  • max time kernel
    81s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2022, 14:56

General

  • Target

    5573d5eb509dc3f68f674c95b3718dfb.exe

  • Size

    7.0MB

  • MD5

    5573d5eb509dc3f68f674c95b3718dfb

  • SHA1

    2d9e58b7c1f85355a50bb6fff7708be675d063c0

  • SHA256

    4715de346335933da6b30b66030d0c574bfe464f332c327424b861e401f30cb6

  • SHA512

    33df579b25a31aadd645e330196c973752362aa242df3bec56aec5528231440d034a1906f23d3a9fb8cc74c0f25b8e7a8fc38fce0f475c2c5cc4c9f13534b857

Malware Config

Extracted

Family

raccoon

Botnet

b411699deaa52994b115ef42d0917fdd

C2

http://91.234.254.126/

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Raccoon Stealer payload 5 IoCs
  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 6 IoCs
  • 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 NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5573d5eb509dc3f68f674c95b3718dfb.exe
    "C:\Users\Admin\AppData\Local\Temp\5573d5eb509dc3f68f674c95b3718dfb.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\w0f6e83A.exe
      "C:\Users\Admin\AppData\Local\Temp\w0f6e83A.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:916
    • C:\Users\Admin\AppData\Local\Temp\yKjPZRV2.exe
      "C:\Users\Admin\AppData\Local\Temp\yKjPZRV2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\yKjPZRV2.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1168
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 0
          4⤵
            PID:1452

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\w0f6e83A.exe

      Filesize

      71KB

      MD5

      6a2c31f3e79e02f1c9cfd86856b3f500

      SHA1

      6dc720b0dde45798b8a87f45ffcfef14f62106d5

      SHA256

      1e61931d3d39560b2cc36e64db35a999158d63e68a253378598932e28a06e52e

      SHA512

      6ca3593b27cea6d8d3a8e85df292a9592792d8f396ef74a25e85f6e2f79eb15d20fbe0941f67052468153f23e89b046760e2fa9db151462932494e662a4e408a

    • C:\Users\Admin\AppData\Local\Temp\w0f6e83A.exe

      Filesize

      71KB

      MD5

      6a2c31f3e79e02f1c9cfd86856b3f500

      SHA1

      6dc720b0dde45798b8a87f45ffcfef14f62106d5

      SHA256

      1e61931d3d39560b2cc36e64db35a999158d63e68a253378598932e28a06e52e

      SHA512

      6ca3593b27cea6d8d3a8e85df292a9592792d8f396ef74a25e85f6e2f79eb15d20fbe0941f67052468153f23e89b046760e2fa9db151462932494e662a4e408a

    • C:\Users\Admin\AppData\Local\Temp\yKjPZRV2.exe

      Filesize

      4.0MB

      MD5

      b09ec6718a34a70a182f3412b89f6777

      SHA1

      e730645db18339897aeddb4f21ce662911e03444

      SHA256

      21c2f78a2ba5891c4dbdc1b50283844c7720ecd3f1187fb9269015524cad2da2

      SHA512

      5d0f9eb9fcfe8a5d6c42db552d35411116ec0b405e747537a75fd50fb6e9f1d1fc1bf95c169c5ef7c2d217b7cc5d647a6ed36f130e0382a71f919c5e09ec7881

    • C:\Users\Admin\AppData\Local\Temp\yKjPZRV2.exe

      Filesize

      4.0MB

      MD5

      b09ec6718a34a70a182f3412b89f6777

      SHA1

      e730645db18339897aeddb4f21ce662911e03444

      SHA256

      21c2f78a2ba5891c4dbdc1b50283844c7720ecd3f1187fb9269015524cad2da2

      SHA512

      5d0f9eb9fcfe8a5d6c42db552d35411116ec0b405e747537a75fd50fb6e9f1d1fc1bf95c169c5ef7c2d217b7cc5d647a6ed36f130e0382a71f919c5e09ec7881

    • \Users\Admin\AppData\LocalLow\mozglue.dll

      Filesize

      612KB

      MD5

      f07d9977430e762b563eaadc2b94bbfa

      SHA1

      da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

      SHA256

      4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

      SHA512

      6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

    • \Users\Admin\AppData\LocalLow\nss3.dll

      Filesize

      1.9MB

      MD5

      f67d08e8c02574cbc2f1122c53bfb976

      SHA1

      6522992957e7e4d074947cad63189f308a80fcf2

      SHA256

      c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

      SHA512

      2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

    • \Users\Admin\AppData\LocalLow\sqlite3.dll

      Filesize

      1.0MB

      MD5

      dbf4f8dcefb8056dc6bae4b67ff810ce

      SHA1

      bbac1dd8a07c6069415c04b62747d794736d0689

      SHA256

      47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

      SHA512

      b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

    • \Users\Admin\AppData\Local\Temp\w0f6e83A.exe

      Filesize

      71KB

      MD5

      6a2c31f3e79e02f1c9cfd86856b3f500

      SHA1

      6dc720b0dde45798b8a87f45ffcfef14f62106d5

      SHA256

      1e61931d3d39560b2cc36e64db35a999158d63e68a253378598932e28a06e52e

      SHA512

      6ca3593b27cea6d8d3a8e85df292a9592792d8f396ef74a25e85f6e2f79eb15d20fbe0941f67052468153f23e89b046760e2fa9db151462932494e662a4e408a

    • \Users\Admin\AppData\Local\Temp\yKjPZRV2.exe

      Filesize

      4.0MB

      MD5

      b09ec6718a34a70a182f3412b89f6777

      SHA1

      e730645db18339897aeddb4f21ce662911e03444

      SHA256

      21c2f78a2ba5891c4dbdc1b50283844c7720ecd3f1187fb9269015524cad2da2

      SHA512

      5d0f9eb9fcfe8a5d6c42db552d35411116ec0b405e747537a75fd50fb6e9f1d1fc1bf95c169c5ef7c2d217b7cc5d647a6ed36f130e0382a71f919c5e09ec7881

    • \Users\Admin\AppData\Local\Temp\yKjPZRV2.exe

      Filesize

      4.0MB

      MD5

      b09ec6718a34a70a182f3412b89f6777

      SHA1

      e730645db18339897aeddb4f21ce662911e03444

      SHA256

      21c2f78a2ba5891c4dbdc1b50283844c7720ecd3f1187fb9269015524cad2da2

      SHA512

      5d0f9eb9fcfe8a5d6c42db552d35411116ec0b405e747537a75fd50fb6e9f1d1fc1bf95c169c5ef7c2d217b7cc5d647a6ed36f130e0382a71f919c5e09ec7881

    • memory/916-67-0x00000000001F0000-0x00000000001F6000-memory.dmp

      Filesize

      24KB

    • memory/916-66-0x0000000001030000-0x0000000001048000-memory.dmp

      Filesize

      96KB

    • memory/996-76-0x0000000000180000-0x0000000000F59000-memory.dmp

      Filesize

      13.8MB

    • memory/996-80-0x0000000000180000-0x0000000000F59000-memory.dmp

      Filesize

      13.8MB

    • memory/2012-58-0x00000000013C0000-0x0000000001E98000-memory.dmp

      Filesize

      10.8MB

    • memory/2012-75-0x00000000013C0000-0x0000000001E98000-memory.dmp

      Filesize

      10.8MB

    • memory/2012-74-0x0000000005C00000-0x00000000069D9000-memory.dmp

      Filesize

      13.8MB

    • memory/2012-57-0x00000000013C0000-0x0000000001E98000-memory.dmp

      Filesize

      10.8MB

    • memory/2012-73-0x0000000005C00000-0x00000000069D9000-memory.dmp

      Filesize

      13.8MB

    • memory/2012-56-0x0000000075791000-0x0000000075793000-memory.dmp

      Filesize

      8KB

    • memory/2012-54-0x00000000013C0000-0x0000000001E98000-memory.dmp

      Filesize

      10.8MB