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Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 04:07

General

  • Target

    42fa5b78b18239d0a0e140352b0052095c529fb2499f9e7b41560222e16d30b2.exe

  • Size

    1.9MB

  • MD5

    cfc99b9f63979b39e37bbe2a8811b8a8

  • SHA1

    9a2061edb53df5a937b455938185b0cb6aeb46c8

  • SHA256

    42fa5b78b18239d0a0e140352b0052095c529fb2499f9e7b41560222e16d30b2

  • SHA512

    8eda0061246dec5d8bcac8b7c27786ed3cdd94b61f5c70bd2d58642b7a8246d23465aea1209d3e2b0ab8e6ebeb3abad6604f5c7fc426edf7bd7d7fabf6f79a84

  • SSDEEP

    49152:lXz+1OvV11rjqdO5tFL16WT53GJAkpeVCmJUn8pOX:lXz+1Ot1lWdocWT52ukmCmCn8pOX

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 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
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42fa5b78b18239d0a0e140352b0052095c529fb2499f9e7b41560222e16d30b2.exe
    "C:\Users\Admin\AppData\Local\Temp\42fa5b78b18239d0a0e140352b0052095c529fb2499f9e7b41560222e16d30b2.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\winsys.exe
      "C:\Users\Admin\AppData\Local\Temp\winsys.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Users\Admin\AppData\Local\Temp\winsys.exe
        "C:\Users\Admin\AppData\Local\Temp\winsys.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c cd C:\Users\Admin\AppData\Roaming & start systeme.exe 433A5C55736572735C41646D696E5C417070446174615C4C6F63616C5C54656D705C77696E7379732E657865
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1816
          • C:\Users\Admin\AppData\Roaming\systeme.exe
            systeme.exe 433A5C55736572735C41646D696E5C417070446174615C4C6F63616C5C54656D705C77696E7379732E657865
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            PID:2004
    • C:\Program Files (x86)\sxe\AntiCheat\AntiCheat.exe
      "C:\Program Files (x86)\sxe\AntiCheat\AntiCheat.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Program Files (x86)\sxe\AntiCheat\AntiCheat.exe
        "C:\Program Files (x86)\sxe\AntiCheat\AntiCheat.exe"
        3⤵
        • Executes dropped EXE
        PID:1968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

  • C:\Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

  • C:\Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

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

    Filesize

    795KB

    MD5

    215c4dd821b8ffc34741b204953420bb

    SHA1

    13f5e03b0bbbe5b5d8f5d39dbd65a83ba4d38594

    SHA256

    5fb48b316c9a4fdf4331922144f02e8a73af481578ad48d4ae5adf7531b63648

    SHA512

    5e0cc7dc49a7d93c415416b57a18b054006e4bfa87cbd404d0ce1c660a7c6dd9da8d55f13d52cf7e34d8d9673b1f58c7e664d4890865f358894eb91a2c5e09a1

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

    Filesize

    795KB

    MD5

    215c4dd821b8ffc34741b204953420bb

    SHA1

    13f5e03b0bbbe5b5d8f5d39dbd65a83ba4d38594

    SHA256

    5fb48b316c9a4fdf4331922144f02e8a73af481578ad48d4ae5adf7531b63648

    SHA512

    5e0cc7dc49a7d93c415416b57a18b054006e4bfa87cbd404d0ce1c660a7c6dd9da8d55f13d52cf7e34d8d9673b1f58c7e664d4890865f358894eb91a2c5e09a1

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

    Filesize

    795KB

    MD5

    215c4dd821b8ffc34741b204953420bb

    SHA1

    13f5e03b0bbbe5b5d8f5d39dbd65a83ba4d38594

    SHA256

    5fb48b316c9a4fdf4331922144f02e8a73af481578ad48d4ae5adf7531b63648

    SHA512

    5e0cc7dc49a7d93c415416b57a18b054006e4bfa87cbd404d0ce1c660a7c6dd9da8d55f13d52cf7e34d8d9673b1f58c7e664d4890865f358894eb91a2c5e09a1

  • C:\Users\Admin\AppData\Roaming\systeme.exe

    Filesize

    46KB

    MD5

    ecb65e126dfd9a1266bd220a02e08755

    SHA1

    f1861c1fb1870fbb32e7d61cac97fac90ec54320

    SHA256

    9e1b97f0ad15a892da4cde66e39d78f0dcf0857ddb18a1df8875b65c926d1585

    SHA512

    ba77a1a3b9d9ea0e0167fa96dfc7bb5606f02a31d354ca18adfb2673836610e9b35d8656b3ca5121c634c9aaf5151d6bfb8430039902409cd94c2c911f2d640b

  • C:\Users\Admin\AppData\Roaming\systeme.exe

    Filesize

    46KB

    MD5

    ecb65e126dfd9a1266bd220a02e08755

    SHA1

    f1861c1fb1870fbb32e7d61cac97fac90ec54320

    SHA256

    9e1b97f0ad15a892da4cde66e39d78f0dcf0857ddb18a1df8875b65c926d1585

    SHA512

    ba77a1a3b9d9ea0e0167fa96dfc7bb5606f02a31d354ca18adfb2673836610e9b35d8656b3ca5121c634c9aaf5151d6bfb8430039902409cd94c2c911f2d640b

  • \Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

  • \Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

  • \Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

  • \Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

  • \Program Files (x86)\sxe\AntiCheat\AntiCheat.exe

    Filesize

    939KB

    MD5

    0b0451269c4ec45d866a7f0fdb46e1c3

    SHA1

    4f9267996a7a4396401f5294631a5dce48bae6bc

    SHA256

    9fc979ce83fb7df0c71a5112bf6ce848264ad8981951ca688bb06782b59247a6

    SHA512

    c5e954b375307c9788f22ff9a7dfa4926f3e2804bb997da2b5404b872e2459572c8045d240786a444836e1e269ab3074840f72451f2580ad4755ade319ee8056

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

    Filesize

    795KB

    MD5

    215c4dd821b8ffc34741b204953420bb

    SHA1

    13f5e03b0bbbe5b5d8f5d39dbd65a83ba4d38594

    SHA256

    5fb48b316c9a4fdf4331922144f02e8a73af481578ad48d4ae5adf7531b63648

    SHA512

    5e0cc7dc49a7d93c415416b57a18b054006e4bfa87cbd404d0ce1c660a7c6dd9da8d55f13d52cf7e34d8d9673b1f58c7e664d4890865f358894eb91a2c5e09a1

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

    Filesize

    795KB

    MD5

    215c4dd821b8ffc34741b204953420bb

    SHA1

    13f5e03b0bbbe5b5d8f5d39dbd65a83ba4d38594

    SHA256

    5fb48b316c9a4fdf4331922144f02e8a73af481578ad48d4ae5adf7531b63648

    SHA512

    5e0cc7dc49a7d93c415416b57a18b054006e4bfa87cbd404d0ce1c660a7c6dd9da8d55f13d52cf7e34d8d9673b1f58c7e664d4890865f358894eb91a2c5e09a1

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

    Filesize

    795KB

    MD5

    215c4dd821b8ffc34741b204953420bb

    SHA1

    13f5e03b0bbbe5b5d8f5d39dbd65a83ba4d38594

    SHA256

    5fb48b316c9a4fdf4331922144f02e8a73af481578ad48d4ae5adf7531b63648

    SHA512

    5e0cc7dc49a7d93c415416b57a18b054006e4bfa87cbd404d0ce1c660a7c6dd9da8d55f13d52cf7e34d8d9673b1f58c7e664d4890865f358894eb91a2c5e09a1

  • \Users\Admin\AppData\Roaming\systeme.exe

    Filesize

    46KB

    MD5

    ecb65e126dfd9a1266bd220a02e08755

    SHA1

    f1861c1fb1870fbb32e7d61cac97fac90ec54320

    SHA256

    9e1b97f0ad15a892da4cde66e39d78f0dcf0857ddb18a1df8875b65c926d1585

    SHA512

    ba77a1a3b9d9ea0e0167fa96dfc7bb5606f02a31d354ca18adfb2673836610e9b35d8656b3ca5121c634c9aaf5151d6bfb8430039902409cd94c2c911f2d640b

  • \Users\Admin\AppData\Roaming\systeme.exe

    Filesize

    46KB

    MD5

    ecb65e126dfd9a1266bd220a02e08755

    SHA1

    f1861c1fb1870fbb32e7d61cac97fac90ec54320

    SHA256

    9e1b97f0ad15a892da4cde66e39d78f0dcf0857ddb18a1df8875b65c926d1585

    SHA512

    ba77a1a3b9d9ea0e0167fa96dfc7bb5606f02a31d354ca18adfb2673836610e9b35d8656b3ca5121c634c9aaf5151d6bfb8430039902409cd94c2c911f2d640b

  • memory/1540-86-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-74-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-75-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-77-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-79-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-82-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-116-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-92-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-84-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-81-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-107-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1540-89-0x0000000000400000-0x00000000004B8000-memory.dmp

    Filesize

    736KB

  • memory/1608-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

    Filesize

    8KB

  • memory/1696-71-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1696-69-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1696-103-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1900-90-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1900-72-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1900-70-0x0000000074130000-0x00000000746DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1968-94-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1968-99-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1968-109-0x00000000740B0000-0x000000007465B000-memory.dmp

    Filesize

    5.7MB

  • memory/1968-106-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1968-104-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1968-96-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1968-98-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1968-93-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB

  • memory/1968-117-0x00000000740B0000-0x000000007465B000-memory.dmp

    Filesize

    5.7MB

  • memory/1968-118-0x00000000740B0000-0x000000007465B000-memory.dmp

    Filesize

    5.7MB