Resubmissions

08-08-2024 04:49

240808-ff4nzazcmj 10

08-08-2024 04:41

240808-fbj4rstbqd 10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08-08-2024 04:41

General

  • Target

    2024-08-08_3d293b21be3c8ebb13ca2d4738835a0e_darkside.exe

  • Size

    146KB

  • MD5

    3d293b21be3c8ebb13ca2d4738835a0e

  • SHA1

    9bd5479d5c285f78fbd5ad55a227001656aa837b

  • SHA256

    98d7ec465a754cac49376ce4bc934eef2fc483d789b582d361ba0bd32c623a7b

  • SHA512

    50d15048238029d199f9f9559cccc608bef39e71e487122ff714d4a2ee88af540bef4c798fc86264ea44b2211f7d3168b13fedb05d1faab95594892c3a974a3f

  • SSDEEP

    3072:6qJogYkcSNm9V7Dvts3Kr7ZsPDzFY0mT:6q2kc4m9tDVs62PHF

Malware Config

Signatures

  • Renames multiple (357) files with added filename extension

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-08_3d293b21be3c8ebb13ca2d4738835a0e_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-08_3d293b21be3c8ebb13ca2d4738835a0e_darkside.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2096
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:1476

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3551809350-4263495960-1443967649-1000\BBBBBBBBBBB

      Filesize

      129B

      MD5

      40ba93450db46eea0c0a81c5d08ba3bf

      SHA1

      3421be9bdad9e2e9a9a47e5d5b265be779c62152

      SHA256

      fdcf9fd54bc29346920835e8aceabe11288a0a386db8ddb3ffd78a7f6f92fb50

      SHA512

      23759119fc9a6259e2cdb99783bbff98eb11f40f2857a5cf356daff9e6331f06ecd3c99d6edf47bb7abb875fb14ea7675f5a9a4b994cb56f29d44ae775878604

    • C:\LfGMl9Wku.README.txt

      Filesize

      957B

      MD5

      4d014abc75ecaeab62560e89588a36de

      SHA1

      9effd329081e13e9172dc7e6fe76af675d9789c5

      SHA256

      1f7611e25be229a74b73b8d6eb9d6bc171d27c3d42d6e2539f635ba3f47389e2

      SHA512

      844bda5d9d674685a40cdec6c7900c7235f56fe12bd069e1b6ea9d0de96bafd8dba8377b800b28c9b4e2afdec233e42004c2ef264993b6fa0236b1b4ccbdbcbd

    • F:\$RECYCLE.BIN\S-1-5-21-3551809350-4263495960-1443967649-1000\DDDDDDDDDDD

      Filesize

      129B

      MD5

      7e1d5d472ec8bc5740b5ae98f409732c

      SHA1

      bb7ca46455f6612b59cc13504acc4d49571e5bd3

      SHA256

      34dc65a5139762e4862380ac101a67507be10dfbe4033ca37592c8d5f7823bf0

      SHA512

      05b6cde77aff089fbbd1457c22d1b12941dd770889185410270580a3bcf85f5e319f938924d6361e1379ccf8f755f0b22293e645805bff46460257fad830a86d

    • memory/2096-0-0x0000000000170000-0x00000000001B0000-memory.dmp

      Filesize

      256KB