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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
    152s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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) 20 IoCs
  • 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 20 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 10 IoCs
  • Drops file in Program Files directory 15 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe
    "C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe"
    1⤵
    • 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:2676
    • C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe
      "C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe
        "C:\Users\Admin\AppData\Local\Temp\b3ad8a321dcea5ad59db78b145d9834d04bfbae7a012f9bbe3bfe2fedc73456b.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\swedish kicking blowjob lesbian cock (Kathrin,Janette).mpg.exe
    Filesize

    1.4MB

    MD5

    b9fd59cb63f7874ed765f12431165834

    SHA1

    98d8a58762777b65e780bd51ddd1b6647afb7c39

    SHA256

    e569a7bfe08f2ce5d66546f45637f24a926cfe2a3d8e1f727eff4398fa3dd1c2

    SHA512

    bafba9779919ac6967004e463fda366ed199bf9f4a6f04dc1c2e9ec99363618cb705987f3eeb5550e0a771b38a1a63dee9e9275c476a45b37146f49e43a4b3eb

    Download Submit

  • C:\debug.txt
    Filesize

    183B

    MD5

    defa3a88070aa283616fc9029683b39e

    SHA1

    9cebc2dd7d339779f057ff0d7180c329f0ead0d7

    SHA256

    6b9722cd03f6508833f309fd84278b41312c55f1bb6759ecaa653b0595270292

    SHA512

    e4488dc9a83b68c909f95c57156526517d9fc5b25b42ad265e7d6a99ca23a6233344f2d999b5603d9dd86b2813652ab90dedb5b937d7755d2d7b95a94f0f6c66

    Download Submit

  • memory/2144-95-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2144-91-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2572-52-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2572-85-0x0000000004CD0000-0x0000000004CEE000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2572-94-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-109-0x0000000001F90000-0x0000000001FAE000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-121-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-106-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-110-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-113-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-116-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-93-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-124-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-127-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-130-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-133-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-136-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-139-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-142-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download

  • memory/2676-145-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

    Download