Analysis

  • max time kernel
    128s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    22-10-2020 16:12

General

  • Target

    xl.png.exe

  • Size

    675KB

  • MD5

    e122130010bcf147886f9d29a3c0b40d

  • SHA1

    b65a0b20ec97040b929ebaca5ef5970e1017a3f5

  • SHA256

    773f5e4bc9f8c4aac82f8cab8f416efe83f5a39735358301c6ca0559d61c8bf0

  • SHA512

    a2f55b48fbc0eaa372d4db06b495236f05813c06cf2e31eecd12effae56806a2712be4c72119c518dab390487034b0ecff94f83047d3476d58d67bc24a1f7501

Malware Config

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xl.png.exe
    "C:\Users\Admin\AppData\Local\Temp\xl.png.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\WinHost32.exe
      C:\Windows\System32\WinHost32.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      /c del C:\Users\Admin\AppData\Local\Temp\xl.png.exe >> NUL
      2⤵
      • Deletes itself
      PID:1992

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\WinHost32.exe
    MD5

    e122130010bcf147886f9d29a3c0b40d

    SHA1

    b65a0b20ec97040b929ebaca5ef5970e1017a3f5

    SHA256

    773f5e4bc9f8c4aac82f8cab8f416efe83f5a39735358301c6ca0559d61c8bf0

    SHA512

    a2f55b48fbc0eaa372d4db06b495236f05813c06cf2e31eecd12effae56806a2712be4c72119c518dab390487034b0ecff94f83047d3476d58d67bc24a1f7501

  • \Windows\SysWOW64\WinHost32.exe
    MD5

    e122130010bcf147886f9d29a3c0b40d

    SHA1

    b65a0b20ec97040b929ebaca5ef5970e1017a3f5

    SHA256

    773f5e4bc9f8c4aac82f8cab8f416efe83f5a39735358301c6ca0559d61c8bf0

    SHA512

    a2f55b48fbc0eaa372d4db06b495236f05813c06cf2e31eecd12effae56806a2712be4c72119c518dab390487034b0ecff94f83047d3476d58d67bc24a1f7501

  • \Windows\SysWOW64\WinHost32.exe
    MD5

    e122130010bcf147886f9d29a3c0b40d

    SHA1

    b65a0b20ec97040b929ebaca5ef5970e1017a3f5

    SHA256

    773f5e4bc9f8c4aac82f8cab8f416efe83f5a39735358301c6ca0559d61c8bf0

    SHA512

    a2f55b48fbc0eaa372d4db06b495236f05813c06cf2e31eecd12effae56806a2712be4c72119c518dab390487034b0ecff94f83047d3476d58d67bc24a1f7501

  • memory/944-5-0x000007FEF6B10000-0x000007FEF6D8A000-memory.dmp
    Filesize

    2.5MB

  • memory/1968-2-0x0000000000000000-mapping.dmp
  • memory/1992-4-0x0000000000000000-mapping.dmp