Analysis

  • max time kernel
    138s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 21:38

General

  • Target

    2024-06-10_b446e37b527a4fffd8d9eec94a221f0e_icedid_ramnit.exe

  • Size

    2.5MB

  • MD5

    b446e37b527a4fffd8d9eec94a221f0e

  • SHA1

    e82ba07d879af9072eb034cfe204b12d4f6e5de6

  • SHA256

    971b7d00e89d22171896189f44d898401620ebf46e343c2102b306a5e3cd4d85

  • SHA512

    8e35e5bd80a68f27f3b527083de6342f8abf6fc608e0bb7ffedca8400c5f7306bce5e3457053f9918f4ef87984586725f75386f99ed09662a02e99496f1707fe

  • SSDEEP

    49152:0r52aGByXObdJaHN67eZOWnsUC5MKsz9/MQ+3I3QwK:e5x+bdJaHxZOWnsE9/oz

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UPX dump on OEP (original entry point) 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-10_b446e37b527a4fffd8d9eec94a221f0e_icedid_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-10_b446e37b527a4fffd8d9eec94a221f0e_icedid_ramnit.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Users\Admin\AppData\Local\Temp\2024-06-10_b446e37b527a4fffd8d9eec94a221f0e_icedid_ramnitmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2024-06-10_b446e37b527a4fffd8d9eec94a221f0e_icedid_ramnitmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 180
        3⤵
        • Program crash
        PID:2104

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar25D0.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\2024-06-10_b446e37b527a4fffd8d9eec94a221f0e_icedid_ramnitmgr.exe

    Filesize

    157KB

    MD5

    2ad7467eeceedd64b8bd4f6e04c3cd49

    SHA1

    d6c5d9878dc49ae9b531d61283609e207154a921

    SHA256

    2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

    SHA512

    7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

  • \Users\Admin\AppData\Local\Temp\~TM191C.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM194C.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/856-8-0x00000000001E0000-0x0000000000212000-memory.dmp

    Filesize

    200KB

  • memory/856-9-0x00000000001E0000-0x0000000000212000-memory.dmp

    Filesize

    200KB

  • memory/856-7-0x0000000000400000-0x0000000000683000-memory.dmp

    Filesize

    2.5MB

  • memory/2396-11-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2396-13-0x0000000000220000-0x0000000000252000-memory.dmp

    Filesize

    200KB

  • memory/2396-14-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2396-20-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB