Analysis

  • max time kernel
    47s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-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
  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe
    "C:\Users\Admin\AppData\Local\Temp\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.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:1128
    • 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:912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

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

  • \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\9d5f7864047bca8b589955351636a4819f6025ae471e9350c3672efa9f109e0e.exe

    Filesize

    113KB

    MD5

    e2ed03cf412f6fbe951bf196343a1334

    SHA1

    f3a1dbf826f86352b19bf1eb0f5e0e9a7a3ca67d

    SHA256

    8528ddea88fd59f555c7f6394a9ef037b1bb80f686e8316ff56cc64eb9d2c157

    SHA512

    376e0a04e5b2ae573970d6f1102ed780cd9b1a7912958366ae9030af8b55454c22e35a0f51a1c09ecd6d064131805ca224c72100632fe748d7c0733759852376

  • memory/912-56-0x0000000000000000-mapping.dmp

  • memory/912-61-0x0000000074B40000-0x00000000750EB000-memory.dmp

    Filesize

    5.7MB

  • memory/912-62-0x0000000000AD6000-0x0000000000AE7000-memory.dmp

    Filesize

    68KB

  • memory/912-63-0x0000000074B40000-0x00000000750EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1128-54-0x0000000076961000-0x0000000076963000-memory.dmp

    Filesize

    8KB