Analysis

  • max time kernel
    43s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 11:23

General

  • Target

    e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe

  • Size

    240KB

  • MD5

    2c2bfeb1570ca4c967b35e1ec4258120

  • SHA1

    3d9163169b1f720b4cf376e874a8301ebed3b3cc

  • SHA256

    e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b

  • SHA512

    02845962616c583ededed2a8478d0179396d11d9e077673fd8adabce0bec245effec0c0c0c1558550fcfe20af06fdbd3be0adc9cc3b2bb77292fd421a5fb801a

  • SSDEEP

    6144:k9usRwlH2/8UcR10g+YLLwSOQ6ZmkWkr9eZXW:Zow2/8UcH0yLL/OkBS9eZXW

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe
    "C:\Users\Admin\AppData\Local\Temp\e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe

    Filesize

    200KB

    MD5

    0364c992a9016ca485d525057f4b198a

    SHA1

    ee659561ddc81c8380dd3cda86b2bd0f5c1ca77c

    SHA256

    2a1f5d8842b642892c4e2075a7ba0e4a1602f0f759a3a3816859aa7633d63bbd

    SHA512

    f7d24eb9f5f9e4228c5161690fbf6ef25756ce8756fcca3638f5e0af20db6b1437e9a3dfd688ac3c8923e8313fc584179e9c5431ad71b612977e01b706381cd1

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe

    Filesize

    200KB

    MD5

    0364c992a9016ca485d525057f4b198a

    SHA1

    ee659561ddc81c8380dd3cda86b2bd0f5c1ca77c

    SHA256

    2a1f5d8842b642892c4e2075a7ba0e4a1602f0f759a3a3816859aa7633d63bbd

    SHA512

    f7d24eb9f5f9e4228c5161690fbf6ef25756ce8756fcca3638f5e0af20db6b1437e9a3dfd688ac3c8923e8313fc584179e9c5431ad71b612977e01b706381cd1

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\e5eaa0ff0be00a0bc2f312e9b3a03832334250377947d2131717db0601f4da3b.exe

    Filesize

    200KB

    MD5

    0364c992a9016ca485d525057f4b198a

    SHA1

    ee659561ddc81c8380dd3cda86b2bd0f5c1ca77c

    SHA256

    2a1f5d8842b642892c4e2075a7ba0e4a1602f0f759a3a3816859aa7633d63bbd

    SHA512

    f7d24eb9f5f9e4228c5161690fbf6ef25756ce8756fcca3638f5e0af20db6b1437e9a3dfd688ac3c8923e8313fc584179e9c5431ad71b612977e01b706381cd1

  • memory/1492-54-0x0000000075001000-0x0000000075003000-memory.dmp

    Filesize

    8KB

  • memory/1492-61-0x0000000002660000-0x0000000002721000-memory.dmp

    Filesize

    772KB

  • memory/1520-56-0x0000000000000000-mapping.dmp

  • memory/1520-62-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB