Analysis

  • max time kernel
    40s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 22:21

General

  • Target

    e8732079d06a4e36732e3e0ddafb0983168415469581e69a6aeb23050f009caf.exe

  • Size

    25KB

  • MD5

    6e89f9a3dca7c7e5e6a00b6caa5b1bda

  • SHA1

    cb1134b8066566f3f780c271d491648d6e170aec

  • SHA256

    e8732079d06a4e36732e3e0ddafb0983168415469581e69a6aeb23050f009caf

  • SHA512

    6727a7157289803e97354eadc3c5e21b2312f6cd9d5f1e04d897ae48c6f0f622ec62dd1d0a396cc1f06761670c2cc41514e09e0285f308c2a1526ba2123bc576

  • SSDEEP

    768:DS7nh4aQC9xkV1tdgI2MyzNORQtOflIwoHNV2XBFV72B4lA7ZsUI+7:DS7nK8eztdgI2MyzNORQtOflIwoHNV2k

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8732079d06a4e36732e3e0ddafb0983168415469581e69a6aeb23050f009caf.exe
    "C:\Users\Admin\AppData\Local\Temp\e8732079d06a4e36732e3e0ddafb0983168415469581e69a6aeb23050f009caf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\ffengh.exe
      "C:\Users\Admin\AppData\Local\Temp\ffengh.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\ffengh.exe

    Filesize

    25KB

    MD5

    17fe0ddacfbc29c33e16293d348984a5

    SHA1

    27da303fa20b0038b9c8e1f42f8924a6f2730d62

    SHA256

    d05a0b660faa12578d0cf6f58f96436eeea87e542061980696bb824a9c27ce29

    SHA512

    604aae6eead647402898a676442538f499f9ab11cbdb7af14c58b022761ef14b64e05956acb11135708f4f05c61daf9e908d79f165c815c45167222c318900e9

  • C:\Users\Admin\AppData\Local\Temp\ffengh.exe

    Filesize

    25KB

    MD5

    17fe0ddacfbc29c33e16293d348984a5

    SHA1

    27da303fa20b0038b9c8e1f42f8924a6f2730d62

    SHA256

    d05a0b660faa12578d0cf6f58f96436eeea87e542061980696bb824a9c27ce29

    SHA512

    604aae6eead647402898a676442538f499f9ab11cbdb7af14c58b022761ef14b64e05956acb11135708f4f05c61daf9e908d79f165c815c45167222c318900e9

  • \Users\Admin\AppData\Local\Temp\ffengh.exe

    Filesize

    25KB

    MD5

    17fe0ddacfbc29c33e16293d348984a5

    SHA1

    27da303fa20b0038b9c8e1f42f8924a6f2730d62

    SHA256

    d05a0b660faa12578d0cf6f58f96436eeea87e542061980696bb824a9c27ce29

    SHA512

    604aae6eead647402898a676442538f499f9ab11cbdb7af14c58b022761ef14b64e05956acb11135708f4f05c61daf9e908d79f165c815c45167222c318900e9

  • memory/1676-65-0x0000000000230000-0x0000000000237000-memory.dmp

    Filesize

    28KB

  • memory/2000-54-0x0000000000310000-0x0000000000317000-memory.dmp

    Filesize

    28KB

  • memory/2000-56-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/2000-55-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

    Filesize

    8KB

  • memory/2000-59-0x0000000000310000-0x0000000000317000-memory.dmp

    Filesize

    28KB