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Overview

overview

8

Static

static

3

79b825b12a...72.exe

windows7-x64

8

79b825b12a...72.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2024, 08:10

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General

  • Target

    79b825b12a07e68e31cbb02fb0857972.exe

  • Size

    308KB

  • MD5

    79b825b12a07e68e31cbb02fb0857972

  • SHA1

    7f1d4bce8bc9b39c55a3bf884f50d4b39ae48358

  • SHA256

    57dab3fc443adc8f385874056b82c80bbc6b48945d92555b83c378fcfc1fa797

  • SHA512

    051a847405fb74ea9c8b19e9957cd02507f2436c5eebb6d6c647cb86ae86cae71138828d9d75690a393062d38f13db5ac72b76b58fea7ec1b6fa53e643b5f05f

  • SSDEEP

    6144:XXy9Qde4+HAIRP+8/iNoC8r6axpu4+pVRo8X1j:XXy9Qde4ZItiWvuxVRo8lj

Score
8/10
evasionpersistencespywarestealer

Malware Config

Signatures

  • Disables taskbar notifications via registry modification
    evasion
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 17 IoCs
    persistence
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 19 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\79b825b12a07e68e31cbb02fb0857972.exe
    "C:\Users\Admin\AppData\Local\Temp\79b825b12a07e68e31cbb02fb0857972.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Users\Admin\AppData\Local\fxy.exe
      "C:\Users\Admin\AppData\Local\fxy.exe" -gav C:\Users\Admin\AppData\Local\Temp\79b825b12a07e68e31cbb02fb0857972.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3028
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\fxy.exe
    Filesize

    308KB

    MD5

    79b825b12a07e68e31cbb02fb0857972

    SHA1

    7f1d4bce8bc9b39c55a3bf884f50d4b39ae48358

    SHA256

    57dab3fc443adc8f385874056b82c80bbc6b48945d92555b83c378fcfc1fa797

    SHA512

    051a847405fb74ea9c8b19e9957cd02507f2436c5eebb6d6c647cb86ae86cae71138828d9d75690a393062d38f13db5ac72b76b58fea7ec1b6fa53e643b5f05f

    Download Submit

  • memory/2124-18-0x0000000004380000-0x0000000004381000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2124-37-0x0000000003FF0000-0x0000000004000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2124-23-0x0000000004380000-0x0000000004381000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2144-1-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2144-2-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/2144-3-0x0000000001F00000-0x00000000021B7000-memory.dmp

    Filesize

    2.7MB

    Download

  • memory/2144-13-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/2144-0-0x00000000001D0000-0x00000000001D5000-memory.dmp

    Filesize

    20KB

    Download

  • memory/3028-21-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-31-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-20-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3028-17-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3028-16-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-24-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-25-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-26-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-30-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-19-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-32-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-33-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-34-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-35-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-36-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/3028-15-0x0000000000230000-0x0000000000235000-memory.dmp

    Filesize

    20KB

    Download

  • memory/3028-38-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

    Download