Overview

overview

10

Static

static

10

b1b4bf7908...80.exe

windows7-x64

9

b1b4bf7908...80.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 00:06

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General

  • Target

    b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe

  • Size

    1.2MB

  • MD5

    1e1d769110f5977c72c6011b7c88a3de

  • SHA1

    520599bc8030c00931d3af9e56b8d2ad0c46f06e

  • SHA256

    b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280

  • SHA512

    d2e086fcfc8f85daefdaea0233edb393d9ff82666041d957d69d656fdd0086694cadea8c7226a3f437ad7ac836a2d4e19cb80a470940b0c019a3d3f661c0a77c

  • SSDEEP

    24576:t2DEBwHRoEZGcqZJuVtWOPAo87hdhH/4TRH7E39BLmpetnkCdXC:QXZhHtTYftQTRH7E3ypetnpdXC

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 17 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\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe
    "C:\Users\Admin\AppData\Local\Temp\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.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:3388
    • C:\Users\Admin\AppData\Local\Temp\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe
      "C:\Users\Admin\AppData\Local\Temp\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Users\Admin\AppData\Local\Temp\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe
        "C:\Users\Admin\AppData\Local\Temp\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3480
    • C:\Users\Admin\AppData\Local\Temp\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe
      "C:\Users\Admin\AppData\Local\Temp\b1b4bf790878c93d88b826bbe29be588d1599e1677ca62b7fa944ed37ce39280.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\swedish cum sperm lesbian glans (Kathrin,Karin).rar.exe
    Filesize

    728KB

    MD5

    621640778ec9bec624c1ae2615f4a6eb

    SHA1

    2bd4843cfb2cbb196dccd18e6720212f0abad365

    SHA256

    11a7cae00e48015c635e4f0130669195b66778f0da4dd789db985a054bb2787e

    SHA512

    e33bbe78fef63257a4f1f93083ad445b09e63360c608a1985bc999a8640968ab82de4185eaf579a32181bd3c648d6a26fdffe85e580620dbfd5a3d97441648b8

    Download Submit

  • memory/1624-172-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/1624-192-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-200-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-235-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-189-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-251-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-247-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-243-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-194-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-210-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-214-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-219-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-223-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-227-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3388-239-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3480-174-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/3480-193-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/4196-137-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/4196-190-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download