Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 11:22

General

  • Target

    9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe

  • Size

    154KB

  • MD5

    3b0e63c30a6dd4932ece386899abb3c0

  • SHA1

    dcf881b8be73af869b28d208d6b6265d8b907849

  • SHA256

    9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e

  • SHA512

    50a5a7b462da25ada30f27c558d952021bb3916ff747d0873027c4140ee16c173e5ab3f567a6832f080a8dd01d3b033df006a87aaf76647474a41874d70d6a70

  • SSDEEP

    3072:zr8WDrCuabwRXyK3tZjDch5Kvm3hTchZ82OchE+:PuXbw9Z0hNuhVhE+

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe
    "C:\Users\Admin\AppData\Local\Temp\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe"
      2⤵
      • Executes dropped EXE
      PID:4404

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe

    Filesize

    113KB

    MD5

    e2ed03cf412f6fbe951bf196343a1334

    SHA1

    f3a1dbf826f86352b19bf1eb0f5e0e9a7a3ca67d

    SHA256

    8528ddea88fd59f555c7f6394a9ef037b1bb80f686e8316ff56cc64eb9d2c157

    SHA512

    376e0a04e5b2ae573970d6f1102ed780cd9b1a7912958366ae9030af8b55454c22e35a0f51a1c09ecd6d064131805ca224c72100632fe748d7c0733759852376

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe

    Filesize

    113KB

    MD5

    e2ed03cf412f6fbe951bf196343a1334

    SHA1

    f3a1dbf826f86352b19bf1eb0f5e0e9a7a3ca67d

    SHA256

    8528ddea88fd59f555c7f6394a9ef037b1bb80f686e8316ff56cc64eb9d2c157

    SHA512

    376e0a04e5b2ae573970d6f1102ed780cd9b1a7912958366ae9030af8b55454c22e35a0f51a1c09ecd6d064131805ca224c72100632fe748d7c0733759852376

  • memory/4404-132-0x0000000000000000-mapping.dmp

  • memory/4404-135-0x00000000742D0000-0x0000000074881000-memory.dmp

    Filesize

    5.7MB

  • memory/4404-136-0x00000000742D0000-0x0000000074881000-memory.dmp

    Filesize

    5.7MB