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Analysis

  • max time kernel
    177s
  • max time network
    66s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 17:27

General

  • Target

    b9adae655706a8faf20953c3abe5d9212aede0822a90bc9b69b4d9f1d352d83b.exe

  • Size

    353KB

  • MD5

    482984489450e7e582492ebb6f8743e6

  • SHA1

    82155522f5b61b90dd5700c2365f4d1b4125ec11

  • SHA256

    b9adae655706a8faf20953c3abe5d9212aede0822a90bc9b69b4d9f1d352d83b

  • SHA512

    be01d761ece0d3b00634031be6773b5dfd543f5a0c427bf3b94645503bc5c98672db65c619e96fa16903e169e299352e176b5ec731fd2852494a7c88b874ee01

  • SSDEEP

    6144:qK7hBDO7gNSXo551EgMOK/Vmju+MokGwiquFeoQ3z3T4Qmw:rTO7gNN556gcuu+MokvMevz38w

Score
9/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 4 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9adae655706a8faf20953c3abe5d9212aede0822a90bc9b69b4d9f1d352d83b.exe
    "C:\Users\Admin\AppData\Local\Temp\b9adae655706a8faf20953c3abe5d9212aede0822a90bc9b69b4d9f1d352d83b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\5227.vbs"
      2⤵
      • Deletes itself
      • Loads dropped DLL
      PID:1292
  • C:\Windows\SysWOW64\rcflye.exe
    C:\Windows\SysWOW64\rcflye.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    PID:960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\5227.vbs

    Filesize

    500B

    MD5

    dcfde6e1d6f24353f610ac599052525c

    SHA1

    cb3c45661f9d709535b33d5ad173fb3b3dfab389

    SHA256

    2181025e2a0c0bee674408ea13e6bf3cf862203662d72f4d0f70f08da5d1dc30

    SHA512

    5943f3464793e48a346ddc1fc4aeee62d0beb58567d57ad4ce07d695d00a98eabe02a986440eb04c0b182e2799721de533143f0fb72646326b01e8c9e1ef0e95

  • C:\Users\Admin\AppData\Local\Temp\qgk45A9.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\SysWOW64\rcflye.exe

    Filesize

    353KB

    MD5

    482984489450e7e582492ebb6f8743e6

    SHA1

    82155522f5b61b90dd5700c2365f4d1b4125ec11

    SHA256

    b9adae655706a8faf20953c3abe5d9212aede0822a90bc9b69b4d9f1d352d83b

    SHA512

    be01d761ece0d3b00634031be6773b5dfd543f5a0c427bf3b94645503bc5c98672db65c619e96fa16903e169e299352e176b5ec731fd2852494a7c88b874ee01

  • C:\Windows\SysWOW64\rcflye.exe

    Filesize

    353KB

    MD5

    482984489450e7e582492ebb6f8743e6

    SHA1

    82155522f5b61b90dd5700c2365f4d1b4125ec11

    SHA256

    b9adae655706a8faf20953c3abe5d9212aede0822a90bc9b69b4d9f1d352d83b

    SHA512

    be01d761ece0d3b00634031be6773b5dfd543f5a0c427bf3b94645503bc5c98672db65c619e96fa16903e169e299352e176b5ec731fd2852494a7c88b874ee01

  • \Users\Admin\AppData\Local\Temp\qgk45A9.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • \Users\Admin\AppData\Local\Temp\qgk45A9.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • \Windows\Temp\plk6E9C.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • memory/960-66-0x0000000001D80000-0x0000000001DF3000-memory.dmp

    Filesize

    460KB

  • memory/960-65-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/960-71-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/1292-68-0x0000000000460000-0x00000000004D3000-memory.dmp

    Filesize

    460KB

  • memory/1708-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/1708-57-0x0000000000300000-0x0000000000373000-memory.dmp

    Filesize

    460KB

  • memory/1708-67-0x0000000000300000-0x0000000000373000-memory.dmp

    Filesize

    460KB

  • memory/1708-56-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB