Resubmissions

11-01-2021 03:44

210111-v8hz9lm7zs 10

29-11-2020 15:49

201129-sp88h75zyn 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-11-2020 15:49

General

  • Target

    9e0cfd00991a3d387a78770a7748418b4d0ab978717f84a399d766b19a971df0.dll

  • Size

    132KB

  • MD5

    b0f3a46adf98efb3a9ac7cead9b4fc5a

  • SHA1

    01b0ece80907f2d9e500ada1cd2d555b782dd3a2

  • SHA256

    9e0cfd00991a3d387a78770a7748418b4d0ab978717f84a399d766b19a971df0

  • SHA512

    22076388da1305e1a9b7ad3257fde95b81118983c95b0025b3a4c848b6703257dbaeaad3da10dab7e66c18fdb7bc015dbf08f20ad0f37543f40e5b448779b6be

Score
8/10

Malware Config

Signatures

  • Blacklisted process makes network request 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 126 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SetWindowsHookEx 32 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e0cfd00991a3d387a78770a7748418b4d0ab978717f84a399d766b19a971df0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e0cfd00991a3d387a78770a7748418b4d0ab978717f84a399d766b19a971df0.dll,#1
      2⤵
      • Blacklisted process makes network request
      PID:1644
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2688 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:200
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3268 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2220
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1712 CREDAT:82945 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2940
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3164 CREDAT:82945 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2840
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2068 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2080
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2756 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1452
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2244 CREDAT:82945 /prefetch:2
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3936
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1500 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3972

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B89CABBDDFF8EE7E973D0A6932822EA5
    MD5

    f7959966ec2faa5464073bbf5d5226fd

    SHA1

    003e15cc9cac1fef5e82012d5bc72ce6c882b906

    SHA256

    fb2e1e1e39d9ad9ba772401a4bb3b17e8ee5f6fb1f2d5c3fef9ded5150a49e1b

    SHA512

    74187d302978de0de05bcc01f6dbdf3244958a67264e025a221c42bda99bd7d65ed7d0b10403592ab17635f6982c38e9c4cdcb050a18d2c62db2ed073349d8b5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E49827401028F7A0F97B5576C77A26CB_7CE95D8DCA26FE957E7BD7D76F353B08
    MD5

    d9a7c71f2455317845563b02c39b84c8

    SHA1

    ecbf1e7829878111d90e776b0deb79d33efa73b4

    SHA256

    c5b24a2e28e55081e315826ed0127557077434f24d5c3eff803c45aa4ef1b827

    SHA512

    675951ad8b62009fedd018df1c1dc00ba124d6d0564df7637955c5dc035d0f3d63367b5b2874315b549d206d0870ae6bbcf5e4faed8f6ba125123bd9326912f5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B89CABBDDFF8EE7E973D0A6932822EA5
    MD5

    69959833dc2f34a3c15c0798583961e3

    SHA1

    a1e37293ac84f271946b1fc22fae79ad75313920

    SHA256

    4859eabc40cc623bd444161cd9d574e43ffbe0bef72d475f690170a0d2578663

    SHA512

    2dc5a086ac28863f8afc4308f7f5f1ac5e9d3d9cc8338214249901de40fc15071edf129f10799d28bfdf927cba958e219390497df623abc2b2435b994782cdfe

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E49827401028F7A0F97B5576C77A26CB_7CE95D8DCA26FE957E7BD7D76F353B08
    MD5

    1cc724dc3dd3ef2d2969c94ac80f79f3

    SHA1

    f07dab56fc2e90912ddd69ef9d866cef59eb570d

    SHA256

    92c5b40ff4736fbddb34ece1fc38c65380b6924fa4949a707023f03af4e7e280

    SHA512

    b355ea0d0b85f4469ae4391f1294b3c40eb63ba4914e11a6cdd342e9cc3c2e7e1ffecd00c2f47a4322be9500c7597ecb67f10b225f790d0694ed162a57bf3ea7

  • memory/200-4-0x0000000000000000-mapping.dmp
  • memory/1452-13-0x0000000000000000-mapping.dmp
  • memory/1644-3-0x0000000002CE0000-0x0000000002CF2000-memory.dmp
    Filesize

    72KB

  • memory/1644-2-0x0000000000000000-mapping.dmp
  • memory/2080-12-0x0000000000000000-mapping.dmp
  • memory/2220-5-0x0000000000000000-mapping.dmp
  • memory/2840-11-0x0000000000000000-mapping.dmp
  • memory/2940-10-0x0000000000000000-mapping.dmp
  • memory/3936-14-0x0000000000000000-mapping.dmp
  • memory/3972-15-0x0000000000000000-mapping.dmp