Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 22:34

General

  • Target

    504518e3b4f3abc7f1ae1bf205fdc4a9f739e05b5e84618bae9c7e66bdc19822.exe

  • Size

    304KB

  • MD5

    30daa686c1f31cc4833bd3d7283d8cdc

  • SHA1

    70f74571fafe1b359cfe9ce739c3752e35d16cf5

  • SHA256

    504518e3b4f3abc7f1ae1bf205fdc4a9f739e05b5e84618bae9c7e66bdc19822

  • SHA512

    9f6c0eea9f03f9aa35ebf27ce8264e41d9072d273d1b8a35415ae4666d31013d895d1108dd67e36910200e2ac4fc45a4a9d761a1aadf02b0fd29ef93cd20a4d9

  • SSDEEP

    3072:Gq6EgY6iwrUjpgcDwPddU3417TAYtAliUpcZqf7D349eqiOLibBOp:dqY6inwPwo17TAkA1pcZqf7DIHL

Malware Config

Extracted

Family

redline

Botnet

bundle

C2

185.215.113.67:15206

Extracted

Family

gcleaner

C2

80.66.75.114

45.91.200.135

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\504518e3b4f3abc7f1ae1bf205fdc4a9f739e05b5e84618bae9c7e66bdc19822.exe
    "C:\Users\Admin\AppData\Local\Temp\504518e3b4f3abc7f1ae1bf205fdc4a9f739e05b5e84618bae9c7e66bdc19822.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\filename.exe
      "C:\Users\Admin\AppData\Local\Temp\filename.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im "filename.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\filename.exe" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im "filename.exe" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PLSLTMYI\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • C:\Users\Admin\AppData\Local\Temp\TmpB59A.tmp

    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • \Users\Admin\AppData\Local\Temp\TRXBqKy1r0VJVHRCOrHYWVRYLa9sy\Y-Cleaner.exe

    Filesize

    1.4MB

    MD5

    a8cf5621811f7fac55cfe8cb3fa6b9f6

    SHA1

    121356839e8138a03141f5f5856936a85bd2a474

    SHA256

    614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c

    SHA512

    4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd

  • \Users\Admin\AppData\Local\Temp\filename.exe

    Filesize

    263KB

    MD5

    a28fe7206e834ffdff248feea05f5629

    SHA1

    57d637e46067824de09667a58ad6e485c582badf

    SHA256

    d2566860add6bc33d934371cd9f12754f607f5fe58590f9bd7f4331c0264f840

    SHA512

    d55ec95e46378181cd191d7ea8a626f872aa73059e03ab08b9af37760d2de04d4b4ebe97726cb7ad0f254757ddccdd6ee130a98e889500e9bc34549ea6a82785

  • memory/556-35-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/556-41-0x0000000000400000-0x000000000245C000-memory.dmp

    Filesize

    32.4MB

  • memory/556-53-0x0000000000400000-0x000000000245C000-memory.dmp

    Filesize

    32.4MB

  • memory/556-60-0x0000000000400000-0x000000000245C000-memory.dmp

    Filesize

    32.4MB

  • memory/2524-18-0x00000000742BE000-0x00000000742BF000-memory.dmp

    Filesize

    4KB

  • memory/2524-19-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/2524-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

    Filesize

    4KB

  • memory/2524-30-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/2524-2-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/2524-1-0x0000000000BB0000-0x0000000000C02000-memory.dmp

    Filesize

    328KB