Overview

overview

10

Static

static

10

artifact.exe

windows7-x64

9

artifact.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 02:09

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General

  • Target

    artifact.exe

  • Size

    146KB

  • MD5

    b49f2ded048a1c07e09e731d84c7bbb8

  • SHA1

    826176b2a3f8258b944dacf1f17a4495b73d104a

  • SHA256

    4178821f84d63a57ba7858c0b1e6adfa9d206943c06ac70b1a497d9269388db3

  • SHA512

    fbcde9c4334756d305715e1ec5f6216515ffd25ab0b861945807d0605b1d84339933ddd24ddb45f77f5390e9915e7b237cbcef45ad2f883a98b25747d0cca774

  • SSDEEP

    3072:n6glyuxE4GsUPnliByocWep2ntZdy0OS55Ei:n6gDBGpvEByocWeordyXS55Ei

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (327) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\artifact.exe
    "C:\Users\Admin\AppData\Local\Temp\artifact.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\ProgramData\D04A.tmp
      "C:\ProgramData\D04A.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\D04A.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:548
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:2520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini
      Filesize

      129B

      MD5

      0a74838916cc6b251a28e06a89ee7d4b

      SHA1

      59acf8703f60b5ff353207d96a8201f7d87608b0

      SHA256

      a5cb7a272c31d55573d2e5146238ef3327bace12d08b92b950d17a63a6febdfb

      SHA512

      51142a3999f45108b0352e6bb49b30bf2c1ec463b631613a429af994d7e072bbb730897713f9fb8781bc73cf968817e955764dc39a4968718f21ca610fac37a2

      Download Submit

    • C:\5OaQNrui8.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDD
      Filesize

      146KB

      MD5

      49b88b288e73d8113a36d15b117561df

      SHA1

      b29d7114d06c2b95c04b628edec943867d73bf01

      SHA256

      da29aef87099953d62f6e6c4f3870d8b6bdbea4d42a204723e1f7bbcec31903c

      SHA512

      9099134c476eb0e0e2060b232c0dfa83060a7a172246658bff71c7a47567f83b673a1daebb8855f1e187fb594d812893aea18db71915eb431092d9f369af102a

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      71cd17191701561692558f4b300e48a3

      SHA1

      d9c8e1161c7210d26df7dfd1466cc120be4b9da9

      SHA256

      9aaafa4f24df96fd9a6b62962d1000386feaeb256165518bea3c6137c2be5551

      SHA512

      150a4da471511d0a6d119eadb211370bc2ade67ad78c2f92a8439f6371f11a289724e4a4d5ab1ef39f9ae2c3f09754e012ccf01271474a9ed4412ea2792a63c1

      Download Submit

    • \ProgramData\D04A.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1704-0-0x00000000002D0000-0x0000000000310000-memory.dmp

      Filesize

      256KB

      Download

    • memory/1744-864-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1744-865-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1744-863-0x0000000002230000-0x0000000002270000-memory.dmp

      Filesize

      256KB

      Download

    • memory/1744-862-0x0000000002230000-0x0000000002270000-memory.dmp

      Filesize

      256KB

      Download

    • memory/1744-860-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1744-895-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1744-894-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download