Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 04:56

General

  • Target

    Loader 3.0.exe

  • Size

    147KB

  • MD5

    ff4cd364323fc2048c35783a38070aef

  • SHA1

    4736172dd07a3a196343b94dd56b4e4edc0f2bce

  • SHA256

    6dd7522accb6773bade16720b53ca577574defae5b1c7caf4b7fc6826dfed7e7

  • SHA512

    c72b07b78ccbcfad14fa9f7bc3e8a086c29969b4f7f30dbe57a1a173cd82d61a20bf5ead0bc7b627d5d7f7f0def71710e2ce09590be7a886ad6c9414981eb961

  • SSDEEP

    1536:FzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDEtDyI4njdbJBGCkmsQwvB6jr4j:GqJogYkcSNm9V7Dk4F91qYUrnbT

Malware Config

Signatures

  • Renames multiple (332) files with added filename extension

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

  • 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.

  • 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.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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.

  • Modifies Control Panel 2 IoCs
  • 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\Loader 3.0.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader 3.0.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\ProgramData\602A.tmp
      "C:\ProgramData\602A.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:1800
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\602A.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1600
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:860

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3063565911-2056067323-3330884624-1000\CCCCCCCCCCC

      Filesize

      129B

      MD5

      e2a7530362fbb20a37045fd2a0fb0722

      SHA1

      4b9fc157272b8098a84fb5139c9ca4ad7b961e56

      SHA256

      022cc1c123a6f60b7f8093586caed599f790d7e7c332b933b9afb23c4d7e8f93

      SHA512

      65d90862d119c62e2d978e6e13b486c30243cac37267097a70446c036c50492da72b5cbda009993ad9458c502621bcffc366fe7db5f9530753396bd1999d280b

    • C:\Jw5Jgl9mC.README.txt

      Filesize

      1KB

      MD5

      8b28296a2c168d86adbafc888d0f95f0

      SHA1

      49d6b109bf24f39c2c0f62c0796b8693c0bd99e5

      SHA256

      7b3daacf846fe79840647e67d9c5226a7fda47d5b32c24d874654e8ff78ffcc9

      SHA512

      b0f0e0a6f2962250c3b9f87637854756e7a0fcde561aae14654d0dcd1e1013876442c0354e41c5bc8e3ef57f170ac2073874ff22fdc5656f62f930350f9df6ac

    • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDD

      Filesize

      147KB

      MD5

      79a5837c047212dadc7fe19bc7dce967

      SHA1

      ec707d83066b05eac581ef5f5fe4d368dfdc0055

      SHA256

      c41d3d8d300223a2e1e18fc96b4897b1b4ecb7bebd97c6f20678b45fe2d32c22

      SHA512

      e001466c7225e028ee0a7fbf702554c5eb2c512c001dd5e7e469c29b0bc8dc7e1926d3bd5e89c4889090d93692bf50a0f233f5b755f5c5d927d1b010f1c5f0ab

    • F:\$RECYCLE.BIN\S-1-5-21-3063565911-2056067323-3330884624-1000\GGGGGGGGGGG

      Filesize

      129B

      MD5

      d303aa6eaa284e63a5718ea33a14c195

      SHA1

      51051b2f580ee6edbd806bbfd76ce9aba660871a

      SHA256

      19fc36f4e9fbc13c174828ef268e43fcb6e5b137d68070c5026146a8e7f6afdb

      SHA512

      8a731225726017c078fa19d16bea18011543de57faff6f6752f1e4401b39593a361f180ce55c49d319beea4f2519c387f00c39f0d976a1d5c6eb4561481f47ac

    • \ProgramData\602A.tmp

      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

    • memory/1204-0-0x0000000000C70000-0x0000000000CB0000-memory.dmp

      Filesize

      256KB

    • memory/1800-867-0x0000000002030000-0x0000000002070000-memory.dmp

      Filesize

      256KB

    • memory/1800-870-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

    • memory/1800-869-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

    • memory/1800-868-0x0000000002030000-0x0000000002070000-memory.dmp

      Filesize

      256KB

    • memory/1800-866-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

    • memory/1800-900-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

    • memory/1800-899-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB