Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 04:06

General

  • Target

    d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe

  • Size

    1.2MB

  • MD5

    71bf41076a41f1f68719331a4bd8877d

  • SHA1

    46c0606646ebbc820412b209b46b0ccc97aa56d3

  • SHA256

    d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f

  • SHA512

    390246da9ddae9aa192f09640f80efee37c77f7742eb855ded43e726517cee40e6b801d1e9f3c8244023e3ce8bf3ef4eacc28a6413e8aab35b2a61c28ab8a3d1

  • SSDEEP

    24576:GFOX39Ze1q0rkAVymKR1uN9k8FFbQDtvm3gbB0i0M0:Xmq0rkvmKynk8z4BY

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
    "C:\Users\Admin\AppData\Local\Temp\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe"
      2⤵
      • Executes dropped EXE
      PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d9438c940bb1c2e28be59fe006a4e424b5651f9ce0549e64a0825ea0766b975f.exe
    Filesize

    1.1MB

    MD5

    ed614bbc300294b9c6280d314c3e4bc0

    SHA1

    9f0d0cdb4601f6a5b8ec5e511c91b03c9237a253

    SHA256

    b1bc355456133ffdafaf14f0d55e122b858ccdce5827dc669d83d763259b82db

    SHA512

    9ab28289b782604b1f43aae73b4cb50cd036eb9908e8e36e8bfd97f27750bb2aa041d9dea4796445d58a3c41ff4a35bb67d851b66f811d46ed465d4bbb4c6ac4

  • memory/2032-12-0x00007FF8FAAA3000-0x00007FF8FAAA5000-memory.dmp
    Filesize

    8KB

  • memory/2032-13-0x0000022B4E570000-0x0000022B4E696000-memory.dmp
    Filesize

    1.1MB

  • memory/2032-14-0x00007FF8FAAA0000-0x00007FF8FB561000-memory.dmp
    Filesize

    10.8MB

  • memory/2032-103-0x00007FF8FAAA0000-0x00007FF8FB561000-memory.dmp
    Filesize

    10.8MB

  • memory/5020-104-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/5020-105-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/5020-107-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB