Analysis

  • max time kernel
    178s
  • max time network
    211s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 19:03

General

  • Target

    ec3dd2cbc903c850f1eaaee1d90fec049983500a07037ffb0732596442998aaf.exe

  • Size

    65KB

  • MD5

    4fc491a5fb9d8715e542378b6d18dd10

  • SHA1

    6148a8803022d1c2d061e87dfea8f3f2a6ecbd4d

  • SHA256

    ec3dd2cbc903c850f1eaaee1d90fec049983500a07037ffb0732596442998aaf

  • SHA512

    1d117fdcf0d1c8e42a589bae28292ffa9d291d51ddb287ee08cb4c78862ff70770737bbb2051265f14f195f7a7863ed281101cf32cfaf5e7a16e89f05f6b6723

  • SSDEEP

    768:4a4r+PpHfXGLOFCk6SLARI+WEkFfsEjUPIOuJI5R7xuMAnXMcMaJIWmS2zIzV9xX:sr+Fum5LMI+WTJjcsnXMcpm/zOxJXKJA

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 5 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Drops autorun.inf file 1 TTPs 24 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec3dd2cbc903c850f1eaaee1d90fec049983500a07037ffb0732596442998aaf.exe
    "C:\Users\Admin\AppData\Local\Temp\ec3dd2cbc903c850f1eaaee1d90fec049983500a07037ffb0732596442998aaf.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:608
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Windows\AE 0124 BE.gif
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1264
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1264 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:960
    • C:\Windows\SysWOW64\drivers\winlogon.exe
      "C:\Windows\System32\drivers\winlogon.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops autorun.inf file
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\AE 0124 BE.exe
        "C:\Windows\AE 0124 BE.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:1548
      • C:\Windows\SysWOW64\drivers\winlogon.exe
        "C:\Windows\System32\drivers\winlogon.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\KOE0S2L3.txt

    Filesize

    608B

    MD5

    182376017a7c66860b67cd1f03205139

    SHA1

    1cc2dda82b5fa61e68143483b2c364dc48b1e257

    SHA256

    1cef9fb7c55d6cd5d28bf192c5187ab5e6ca7938ab9ba6f0253ff219f5e851e1

    SHA512

    e72911f00d6a9581454a05d4fd4a388165b68a10b5a9eebee92f6fc1acf43ebf7a816be1ddd3b711c65e91e732d94b5fe4e1b0bc5ab249e6d6d8829c008e508e

  • C:\Windows\AE 0124 BE.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • C:\Windows\AE 0124 BE.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • C:\Windows\AE 0124 BE.gif

    Filesize

    65KB

    MD5

    3fbbeebe6d1121ba9f2ac74190f2211b

    SHA1

    174d45e6350213f4af882f1945293572ddb41001

    SHA256

    dc9da5f73c386577a11ca6400a11b02d2988c7ef98ab0506e5ae478764d52ca2

    SHA512

    ee6aab1bf88536825d9a26287c9680fb37e0fce8e5628164fed6ca4e19429afffb54d242a5851a5aa5b3d8d0d55f8387350e767278f33da46412dd4fb5af34b3

  • C:\Windows\Msvbvm60.dll

    Filesize

    1.3MB

    MD5

    5343a19c618bc515ceb1695586c6c137

    SHA1

    4dedae8cbde066f31c8e6b52c0baa3f8b1117742

    SHA256

    2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

    SHA512

    708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

  • C:\Windows\SysWOW64\drivers\MSVBVM60.DLL

    Filesize

    1.3MB

    MD5

    5343a19c618bc515ceb1695586c6c137

    SHA1

    4dedae8cbde066f31c8e6b52c0baa3f8b1117742

    SHA256

    2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

    SHA512

    708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • C:\Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • \??\c:\B1uv3nth3x1.diz

    Filesize

    21B

    MD5

    9cceaa243c5d161e1ce41c7dad1903dd

    SHA1

    e3da72675df53fffa781d4377d1d62116eafb35b

    SHA256

    814649b436ea43dd2abb99693e06019d4079ee74d02a0395913add0ba92d0189

    SHA512

    af9b75dc9a0b39d12d48bf6d40eb7d778eb9dd976302792271d8d4245a916027cf4e705d6cd7a5e6582ba94953346f291122f27d377b2c1a86e45f49e92efb5b

  • \Windows\SysWOW64\drivers\Msvbvm60.dll

    Filesize

    1.3MB

    MD5

    5343a19c618bc515ceb1695586c6c137

    SHA1

    4dedae8cbde066f31c8e6b52c0baa3f8b1117742

    SHA256

    2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

    SHA512

    708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • \Windows\SysWOW64\drivers\winlogon.exe

    Filesize

    130KB

    MD5

    62033e087649f8f9418c68b06db5bb74

    SHA1

    6f91738355006b12ce6a58c1416cc18a9d65a49f

    SHA256

    6d28304a06cd676b23c57e3d4f79e9a28e0b34f113b4bef9b0e4d3362f7f2761

    SHA512

    de64e56bef98ac72f854adb8d3a31cb20368dba75dbbf3d599a27a042b2fc0abcb68d088cda2ec4c8231cd4b8fec56c11219c6cc4b05b4b35d6a97d86011c00d

  • memory/608-56-0x0000000075811000-0x0000000075813000-memory.dmp

    Filesize

    8KB

  • memory/992-78-0x0000000000000000-mapping.dmp

  • memory/1204-61-0x0000000000000000-mapping.dmp

  • memory/1548-67-0x0000000000000000-mapping.dmp