Overview

overview

10

Static

static

10

VirusSign....f3.exe

windows7-x64

10

VirusSign....f3.exe

windows10-2004-x64

10

VirusSign....ff.exe

windows7-x64

7

VirusSign....ff.exe

windows10-2004-x64

7

VirusSign....2d.exe

windows7-x64

1

VirusSign....2d.exe

windows10-2004-x64

1

VirusSign....31.exe

windows7-x64

VirusSign....31.exe

windows10-2004-x64

VirusSign....67.exe

windows7-x64

1

VirusSign....67.exe

windows10-2004-x64

10

VirusSign....f9.exe

windows7-x64

10

VirusSign....f9.exe

windows10-2004-x64

10

VirusSign....76.exe

windows7-x64

10

VirusSign....76.exe

windows10-2004-x64

10

VirusSign....45.exe

windows7-x64

1

VirusSign....45.exe

windows10-2004-x64

1

VirusSign....3a.exe

windows7-x64

10

VirusSign....3a.exe

windows10-2004-x64

10

VirusSign....2b.exe

windows7-x64

7

VirusSign....2b.exe

windows10-2004-x64

7

VirusSign....74.exe

windows7-x64

1

VirusSign....74.exe

windows10-2004-x64

1

VirusSign....9e.exe

windows7-x64

7

VirusSign....9e.exe

windows10-2004-x64

7

VirusSign....22.exe

windows7-x64

7

VirusSign....22.exe

windows10-2004-x64

7

VirusSign....ef.exe

windows7-x64

7

VirusSign....ef.exe

windows10-2004-x64

7

VirusSign....f3.exe

windows7-x64

3

VirusSign....f3.exe

windows10-2004-x64

3

VirusSign....d8.exe

windows7-x64

1

VirusSign....d8.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    151s
  • max time network
    206s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/02/2024, 14:37

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    VirusSign.2024.02.08/03e8dd811ff56c2ef65a494a29601f9e.exe

  • Size

    278KB

  • MD5

    03e8dd811ff56c2ef65a494a29601f9e

  • SHA1

    04d06be2302da7b9117f8cd57821c7a98ae919fd

  • SHA256

    bd31bf973af6b1c530482515829e2c7ec1451bf487d9d8891d42b2eb27dffbad

  • SHA512

    c9b68d104dba1e20abffd8cbd71cc650c003872f35bc6cc1a88407f79d6c284a7120155b7a760fcfdc31e26c0b335c69918249f8f1e428c86b97cfa9fee218a6

  • SSDEEP

    6144:6jluQoSFIo5R4nM/40yJoVj4QABWnmc6NGqYMeQIyi3MY9U0ht01SZ:6EQoSvqhoMZUnmcCX4Q+d9BQSZ

Score
7/10
persistencespywarestealerupx

Malware Config

Signatures

  • 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 9 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\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.exe
    "C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.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:4740
    • C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.exe
      "C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.exe
        "C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3340
    • C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.exe
      "C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\03e8dd811ff56c2ef65a494a29601f9e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\danish animal trambling big hole pregnant .mpg.exe
    Filesize

    535KB

    MD5

    6aef509a1137c9662bb3f40adc66f22c

    SHA1

    21d70cd0279e2147990114f5d1a5c2d85df04e51

    SHA256

    cbdaf4ac73f2112ef94a0be585dd2417eda23b06c23646a1854a738c3e0b9dc8

    SHA512

    99b5f4cda8ab485cb6f461a0c1e002088430aa7b150c7e16d3d35297c4ce95ab4f4c9320e1ab2e0f021143839fcf4ad2e8bf3fd7eaa7e1c75ccdb6ea89a263e3

    Download Submit

  • memory/1676-11-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download

  • memory/1676-188-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download

  • memory/3028-36-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download

  • memory/3028-191-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download

  • memory/3340-39-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download

  • memory/3340-192-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download

  • memory/4740-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download

  • memory/4740-185-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

    Download