Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2023 11:31

General

  • Target

    8f04f8e4f87a7e19053f745b6fbcb795.exe

  • Size

    2.4MB

  • MD5

    8f04f8e4f87a7e19053f745b6fbcb795

  • SHA1

    5207f1704c26b19ab175882ab03a13aa42f88f48

  • SHA256

    3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4

  • SHA512

    89d372996ecf01293d69267b4c151e59a4dca3968c9f28d5795d620a45232b2ccd3aa29aa87eb540c44d06541d90dbfd5c020c77a0d850e5a4f0eee063a9fe5a

  • SSDEEP

    49152:Lp7dJRVGJ0vXg055FGLXBFC/tU6aqws96MayXjq7262LMJfS4h1Y:Lp7dJR0+vXg055FSXBFC1gq9kM3zm0MG

Malware Config

Extracted

Family

redline

Botnet

red1

C2

34.141.168.40:80

34.125.68.133:80

Attributes
  • auth_value

    70f607e482f39051bebe438c28d43e46

Signatures

  • Detect PureCrypter injector 33 IoCs
  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • RedLine

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
    "C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:208
    • C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
      C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
      2⤵
        PID:1472
      • C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
        C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
        2⤵
          PID:1484

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8f04f8e4f87a7e19053f745b6fbcb795.exe.log

        Filesize

        1KB

        MD5

        2bea5ace75c1c406471930d05acf41f1

        SHA1

        fb20b843c1bf0340d17793752b9bca1e2e0333ba

        SHA256

        56036effd69e1a8cf8f77bb8acfee51f312865979e734638a2ad8f089d078d73

        SHA512

        86a8af16f5ff8436418bddb4ff59211c770353416ef262bad0a36b2b5afa1ab766c63fd93a5d02c323c0504e10bbff43d5ff6cadc01739f64e135a6a9b388b1c

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r0n1m4ke.r1e.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/208-10295-0x0000000007D00000-0x000000000837A000-memory.dmp

        Filesize

        6.5MB

      • memory/208-10294-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/208-10300-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/208-10299-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/208-10298-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/208-10296-0x0000000006BC0000-0x0000000006BDA000-memory.dmp

        Filesize

        104KB

      • memory/208-10278-0x0000000005100000-0x0000000005136000-memory.dmp

        Filesize

        216KB

      • memory/208-10279-0x00000000057F0000-0x0000000005E18000-memory.dmp

        Filesize

        6.2MB

      • memory/208-10293-0x00000000066B0000-0x00000000066CE000-memory.dmp

        Filesize

        120KB

      • memory/208-10280-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/208-10283-0x0000000006050000-0x00000000060B6000-memory.dmp

        Filesize

        408KB

      • memory/208-10282-0x0000000005670000-0x00000000056D6000-memory.dmp

        Filesize

        408KB

      • memory/208-10281-0x00000000051B0000-0x00000000051C0000-memory.dmp

        Filesize

        64KB

      • memory/1484-10310-0x00000000057F0000-0x0000000005E08000-memory.dmp

        Filesize

        6.1MB

      • memory/1484-10309-0x0000000000400000-0x0000000000432000-memory.dmp

        Filesize

        200KB

      • memory/4040-159-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-165-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-169-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-171-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-173-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-175-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-177-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-179-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-181-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-183-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-185-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-187-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-189-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-191-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-193-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-195-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-197-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-10276-0x00000000010D0000-0x00000000010F2000-memory.dmp

        Filesize

        136KB

      • memory/4040-10277-0x0000000005780000-0x0000000005790000-memory.dmp

        Filesize

        64KB

      • memory/4040-167-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-163-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-161-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-133-0x0000000000890000-0x0000000000AFC000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-157-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-155-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-153-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-151-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-149-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-147-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-145-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-10297-0x0000000005780000-0x0000000005790000-memory.dmp

        Filesize

        64KB

      • memory/4040-143-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-141-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-139-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-10304-0x0000000006860000-0x00000000068F2000-memory.dmp

        Filesize

        584KB

      • memory/4040-10305-0x0000000006EB0000-0x0000000007454000-memory.dmp

        Filesize

        5.6MB

      • memory/4040-137-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-135-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB

      • memory/4040-134-0x0000000005490000-0x00000000056F2000-memory.dmp

        Filesize

        2.4MB