Analysis

  • max time kernel
    30s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 10:18

General

  • Target

    aa7e25c7a93aef3592f0dbcc617be1d8cb3b4fcb72f3b563080105b19aa6e921.exe

  • Size

    109KB

  • MD5

    2d6464f50d78647d533ee3cd2009003d

  • SHA1

    2254cd9b598d469bc0bd6ba9d87e7216ecd4c662

  • SHA256

    aa7e25c7a93aef3592f0dbcc617be1d8cb3b4fcb72f3b563080105b19aa6e921

  • SHA512

    17c51cee013fa3218e35f96a214afc84b358883e1436199dd170aa222dbc1300a197615639e48d95b463bef4a9fed246e31c036597d2ab4dd42a01e605e9697e

  • SSDEEP

    3072:s/+kaOA1i1F7CfTnfJwyExidyX8NF1OZuoT+yUT7PoV/:tB1i1qnf+jfOLQV+yUT7QV/

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa7e25c7a93aef3592f0dbcc617be1d8cb3b4fcb72f3b563080105b19aa6e921.exe
    "C:\Users\Admin\AppData\Local\Temp\aa7e25c7a93aef3592f0dbcc617be1d8cb3b4fcb72f3b563080105b19aa6e921.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\system32\HIMYM.DLL,DW
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      PID:1736
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\aa7e25c7a93aef3592f0dbcc617be1d8cb3b4fcb72f3b563080105b19aa6e921.exe"
      2⤵
      • Deletes itself
      • Loads dropped DLL
      PID:292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\HIMYM.DLL

    Filesize

    92KB

    MD5

    bfcc0ea64d04c72d2ac74b91866ff4de

    SHA1

    886ef0198e02499922ea5b3784d30c6833579999

    SHA256

    f3fae8b0f07bea756696ea23c659b604d8a1d308fca6a6275c6d06efd70a3ed9

    SHA512

    e67ce6f10c37d0b32d378dbf6566fe55223bf43f690879be60f7dc1b8bea621f34ad0c31ed92245edbf1caebc5d1df280ae17aa9119decb7ff0458eed9891538

  • \Windows\SysWOW64\HIMYM.DLL

    Filesize

    92KB

    MD5

    bfcc0ea64d04c72d2ac74b91866ff4de

    SHA1

    886ef0198e02499922ea5b3784d30c6833579999

    SHA256

    f3fae8b0f07bea756696ea23c659b604d8a1d308fca6a6275c6d06efd70a3ed9

    SHA512

    e67ce6f10c37d0b32d378dbf6566fe55223bf43f690879be60f7dc1b8bea621f34ad0c31ed92245edbf1caebc5d1df280ae17aa9119decb7ff0458eed9891538

  • \Windows\SysWOW64\HIMYM.DLL

    Filesize

    92KB

    MD5

    bfcc0ea64d04c72d2ac74b91866ff4de

    SHA1

    886ef0198e02499922ea5b3784d30c6833579999

    SHA256

    f3fae8b0f07bea756696ea23c659b604d8a1d308fca6a6275c6d06efd70a3ed9

    SHA512

    e67ce6f10c37d0b32d378dbf6566fe55223bf43f690879be60f7dc1b8bea621f34ad0c31ed92245edbf1caebc5d1df280ae17aa9119decb7ff0458eed9891538

  • \Windows\SysWOW64\HIMYM.DLL

    Filesize

    92KB

    MD5

    bfcc0ea64d04c72d2ac74b91866ff4de

    SHA1

    886ef0198e02499922ea5b3784d30c6833579999

    SHA256

    f3fae8b0f07bea756696ea23c659b604d8a1d308fca6a6275c6d06efd70a3ed9

    SHA512

    e67ce6f10c37d0b32d378dbf6566fe55223bf43f690879be60f7dc1b8bea621f34ad0c31ed92245edbf1caebc5d1df280ae17aa9119decb7ff0458eed9891538

  • \Windows\SysWOW64\HIMYM.DLL

    Filesize

    92KB

    MD5

    bfcc0ea64d04c72d2ac74b91866ff4de

    SHA1

    886ef0198e02499922ea5b3784d30c6833579999

    SHA256

    f3fae8b0f07bea756696ea23c659b604d8a1d308fca6a6275c6d06efd70a3ed9

    SHA512

    e67ce6f10c37d0b32d378dbf6566fe55223bf43f690879be60f7dc1b8bea621f34ad0c31ed92245edbf1caebc5d1df280ae17aa9119decb7ff0458eed9891538

  • \Windows\SysWOW64\HIMYM.DLL

    Filesize

    92KB

    MD5

    bfcc0ea64d04c72d2ac74b91866ff4de

    SHA1

    886ef0198e02499922ea5b3784d30c6833579999

    SHA256

    f3fae8b0f07bea756696ea23c659b604d8a1d308fca6a6275c6d06efd70a3ed9

    SHA512

    e67ce6f10c37d0b32d378dbf6566fe55223bf43f690879be60f7dc1b8bea621f34ad0c31ed92245edbf1caebc5d1df280ae17aa9119decb7ff0458eed9891538

  • memory/292-63-0x0000000000000000-mapping.dmp

  • memory/1736-56-0x0000000000000000-mapping.dmp

  • memory/2040-54-0x0000000076531000-0x0000000076533000-memory.dmp

    Filesize

    8KB

  • memory/2040-55-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2040-64-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB