Analysis

  • max time kernel
    158s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:33

General

  • Target

    5af9d3e5268c796bda0cbb6a2b97664ae388f8ec4b21a8eb703bd3227b76f156.exe

  • Size

    6.0MB

  • MD5

    09e548f6c26b0da51bfb3b93e0a0dd2c

  • SHA1

    fd67558133dbf2c584768681bcfeb21e90fbad38

  • SHA256

    5af9d3e5268c796bda0cbb6a2b97664ae388f8ec4b21a8eb703bd3227b76f156

  • SHA512

    1c0babf998d179945bbc214d821ca8e984341812b7bc6272c97491e2bef10b0ed9e96113d8f346428744baf86b28e619a954643efc4ecb23b4ebf10f7d888cca

  • SSDEEP

    98304:SwWDBGiGtOgVrbagcHV+r/3jQyNAJrG+FOrOBpZu+ZBdyVebyTg6GRkz3XfyC/+b:SoiGggppMArLQ5JrG+QOtoGwZukb1

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Loads dropped DLL 9 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5af9d3e5268c796bda0cbb6a2b97664ae388f8ec4b21a8eb703bd3227b76f156.exe
    "C:\Users\Admin\AppData\Local\Temp\5af9d3e5268c796bda0cbb6a2b97664ae388f8ec4b21a8eb703bd3227b76f156.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv -install
      2⤵
      • Loads dropped DLL
      PID:1508
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "c:\Program Files (x86)\TrustMix\TrustMix.dll",serv
      2⤵
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      PID:808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \??\c:\Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Program Files (x86)\TrustMix\TrustMix.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • \Users\Admin\AppData\Local\Temp\tf00294823.dll

    Filesize

    4.0MB

    MD5

    1959099f9db7a095b8d0529923b1ab77

    SHA1

    55db8d4c9163d42c8daba2ba5796f64b0805c25a

    SHA256

    3caf24ac39970699b1b9de84e8d185bd21a4ccb7b2744ecf15fefbc79a00d9ee

    SHA512

    0bc7d0436379f18e7bc1337bdf76aa97cf256528dd62e47fb0108b9b2de861457c1d768691765d89fb93e1e69749f1c0521ffc18be2282f06238c6f531fddc75

  • memory/808-84-0x000000007EC60000-0x000000007EFA6000-memory.dmp

    Filesize

    3.3MB

  • memory/1308-61-0x000000007E610000-0x000000007E956000-memory.dmp

    Filesize

    3.3MB

  • memory/1308-59-0x0000000076941000-0x0000000076943000-memory.dmp

    Filesize

    8KB

  • memory/1308-54-0x000000007EAA0000-0x000000007EFA1000-memory.dmp

    Filesize

    5.0MB

  • memory/1508-73-0x000000007EC60000-0x000000007EFA6000-memory.dmp

    Filesize

    3.3MB