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Overview

overview

10

Static

static

10

b3ad8a321d...6b.exe

windows7-x64

9

b3ad8a321d...6b.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 23:01

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General

  • Target

    b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe

  • Size

    826KB

  • MD5

    31c834b603240c1f98618a98bc621acd

  • SHA1

    31d80e4096b74ace1b1c4f5ddb82e1a7f6569cd0

  • SHA256

    b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b

  • SHA512

    228c262af1e73575dbcc22081d8d33f5ae1951e72735ba268d1aec7285b7fe9543df4692a02935ecb22d647a739a3af30792fcd3daacf8b584777cad3ddf8c67

  • SSDEEP

    24576:0+rE4ALnayErkEIKnx8L1DGuqygZEdLFn2FZTdW2io:D4F9EBI1GuiZEdpaf7io

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 18 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Checks computer location settings 2 TTPs 2 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.

    spywarestealer
  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe
    "C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe
      "C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1792
      • C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe
        "C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2428
    • C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe
      "C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\xxx girls (Curtney).zip.exe
    Filesize

    167KB

    MD5

    507aa180703517cad755be332b4d5140

    SHA1

    3ce75ec7b853b57eeaaf100361905956fcf34b39

    SHA256

    e10eb37644f450969bcd6dcf37dea0cf7a13a1974809dad4883f18074a39d126

    SHA512

    7e0a4ac92554aa63528d3d280d692edff46c0327b00129db62154d0cfb52eb4df6f531b481cc25e4ce37207077886ddc783dd315cb945de269ca607d1fc32b5b

    Download Submit

  • memory/1792-183-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/1792-54-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-194-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-213-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-182-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-245-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-241-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-186-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-188-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-208-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-237-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-217-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-221-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-225-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-229-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2328-233-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2428-156-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/3192-184-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/3192-155-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download