Overview

overview

10

Static

static

10

1ecea8b0bc...b2.exe

windows7-x64

9

1ecea8b0bc...b2.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-10-2024 12:58

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General

  • Target

    1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.exe

  • Size

    194KB

  • MD5

    b7b4c97132d03eead1fa9a9352dee6c2

  • SHA1

    c9eb1bdc528076fa9c91668addf0723294ac1575

  • SHA256

    1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2

  • SHA512

    cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903

  • SSDEEP

    3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (339) 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 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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\1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.exe
    "C:\Users\Admin\AppData\Local\Temp\1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.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:2088
    • C:\ProgramData\C9D4.tmp
      "C:\ProgramData\C9D4.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:2116
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\C9D4.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:924
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x148
    1⤵
      PID:2672

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-2872745919-2748461613-2989606286-1000\GGGGGGGGGGG
      Filesize

      129B

      MD5

      a142521bbe486027e5ee8abc5168d474

      SHA1

      15fe5f3851fa42af2de366c5472a363b55925223

      SHA256

      02f098b72bf7c066f931384e0a73a93a3758a3aad781a72cb03fd7978618a40f

      SHA512

      f17227ad4deb43f3f671856cc274d83a9a5ef17265c6e0d79c1ff8dcb1f738fa9c3fc54c751defe9f606d641c77d05ab6ef495be6f8e84c52742e6e3ed32a9c9

      Download Submit

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

      194KB

      MD5

      1cf69f86654640d37fbef98305c4687d

      SHA1

      5f1e83970a61319f803030719baee750cfd875a8

      SHA256

      cb5681465fe898a2fd3225c04d24b49a99296815a0734539707d8b8f8f0de4db

      SHA512

      ec919dcf95d37dc4a42ce60b5cfbf61ceb601ff1eac8c307bcdd1e3cdbc49e6be73f32ab00e5fbfbb6abaa85f68c25b71fec8da7f28e5142bcdbe3d59a4ec981

      Download Submit

    • C:\te8ZzuVLn.README.txt
      Filesize

      434B

      MD5

      ad29bd8c66e114ff57c943d16c78f72a

      SHA1

      5ab070ee89a36f38facae4dfc8ec5ce3e59af46e

      SHA256

      6fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c

      SHA512

      a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-2872745919-2748461613-2989606286-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      2cb7a51587fe2c95fd7dda5ac0ec3f69

      SHA1

      a981a95b0be54bd1b6dba08efef8221df643a9c4

      SHA256

      2d5026cc9ff564c70b22a21b772f875c04070ab112c7d6f42ed730312bea3373

      SHA512

      1a58b49f352d2c12161d5461d814355313ddf57a87f940cb82640ac645814e9a3a274d1b294db32ef0df5d18c07dcdb9472b580c19fdf5119ef3c40038725d7d

      Download Submit

    • \ProgramData\C9D4.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2088-0-0x0000000000310000-0x0000000000350000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2116-874-0x0000000000230000-0x0000000000270000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2116-876-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2116-875-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2116-873-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2116-906-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2116-905-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download