Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03-03-2021 18:55

General

  • Target

    eea2e0d879ab44e51905b09180034dda.exe

  • Size

    7.6MB

  • MD5

    eea2e0d879ab44e51905b09180034dda

  • SHA1

    75a4828f2005b89eb42a42ff304d23ca4e627bc2

  • SHA256

    afc5d1c659bc8b4d23ab16bd112dce9bcdada2d17f7bcbc589290cbb8cb281c3

  • SHA512

    28b571490a776385a285d8799c2f950fad49356f3e7fa603fea3409bc6b7ca0323479eb5a7a2238326f17794c5c25a5381cf037b89ead267123932a90c3da09a

Malware Config

Signatures

  • RedLine

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

  • UAC bypass 3 TTPs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 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.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eea2e0d879ab44e51905b09180034dda.exe
    "C:\Users\Admin\AppData\Local\Temp\eea2e0d879ab44e51905b09180034dda.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\ProgramData\_7zipd.exe
      "C:\ProgramData\_7zipd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\ProgramData\_7zipd.exe
        "C:\ProgramData\_7zipd.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1708
        • C:\Users\Admin\Downloads\7zip.exe
          "C:\Users\Admin\Downloads\7zip.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1544
          • C:\Users\Admin\Downloads\7zip.exe
            "{path}"
            5⤵
            • Executes dropped EXE
            PID:1644
          • C:\Users\Admin\Downloads\7zip.exe
            "{path}"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2004
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\Remove.bat" "1708" "C:\ProgramData\_7zipd.exe""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1116
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /F /PID "1708"
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:1388
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            5⤵
              PID:1548
      • C:\ProgramData\ProtonVPNs.exe
        "C:\ProgramData\ProtonVPNs.exe"
        2⤵
        • Executes dropped EXE
        PID:1792

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Privilege Escalation

    Bypass User Account Control

    1
    T1088

    Defense Evasion

    Bypass User Account Control

    1
    T1088

    Disabling Security Tools

    1
    T1089

    Modify Registry

    2
    T1112

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\ProtonVPNs.exe
      MD5

      bbdfa1d6790c663a569fc5b8dfecf810

      SHA1

      2191504f2a05f6b17b9476c4c7e005f8d3618f3a

      SHA256

      21feafefb5eff856a47945000c079d7c8954caf877b03a31b34ea9a546da3d33

      SHA512

      9f7e16d3bb3244557f0b2c826c18dabf199a81aff7b70b3d4bd1aa9d3e7a79a4bab1cb2c0c731744fcf2e1b24c56c48d1e90b13c8cbd2f9a453d5f7e0366fdea

    • C:\ProgramData\ProtonVPNs.exe
      MD5

      bbdfa1d6790c663a569fc5b8dfecf810

      SHA1

      2191504f2a05f6b17b9476c4c7e005f8d3618f3a

      SHA256

      21feafefb5eff856a47945000c079d7c8954caf877b03a31b34ea9a546da3d33

      SHA512

      9f7e16d3bb3244557f0b2c826c18dabf199a81aff7b70b3d4bd1aa9d3e7a79a4bab1cb2c0c731744fcf2e1b24c56c48d1e90b13c8cbd2f9a453d5f7e0366fdea

    • C:\ProgramData\_7zipd.exe
      MD5

      c007d22f751661403db37a7062cc0acc

      SHA1

      156d48130171e2013f83560e4a78f05dc0eb5a14

      SHA256

      471e67a4a80c2fcf8d06e4519a99bde626c886768916cf5046faa901002892d7

      SHA512

      be66365bcedf1a6d033f83804d81c50094fb96e4f2390fa45e2b2a6c2fb8887810d03af8dd7e9ee0718f8a54831de4844a68b95d85cd111cf84708608cda6b94

    • C:\ProgramData\_7zipd.exe
      MD5

      c007d22f751661403db37a7062cc0acc

      SHA1

      156d48130171e2013f83560e4a78f05dc0eb5a14

      SHA256

      471e67a4a80c2fcf8d06e4519a99bde626c886768916cf5046faa901002892d7

      SHA512

      be66365bcedf1a6d033f83804d81c50094fb96e4f2390fa45e2b2a6c2fb8887810d03af8dd7e9ee0718f8a54831de4844a68b95d85cd111cf84708608cda6b94

    • C:\ProgramData\_7zipd.exe
      MD5

      c007d22f751661403db37a7062cc0acc

      SHA1

      156d48130171e2013f83560e4a78f05dc0eb5a14

      SHA256

      471e67a4a80c2fcf8d06e4519a99bde626c886768916cf5046faa901002892d7

      SHA512

      be66365bcedf1a6d033f83804d81c50094fb96e4f2390fa45e2b2a6c2fb8887810d03af8dd7e9ee0718f8a54831de4844a68b95d85cd111cf84708608cda6b94

    • C:\Users\Admin\AppData\Local\Temp\Remove.bat
      MD5

      aa5f6a4940898fad87b5c5ca4897d554

      SHA1

      6a217ccd48b44c55e743031be5bdd44c0cac8a7b

      SHA256

      be5a0877f129f752ebb2c0d8e598864a4ee7f220a87bd751e89fc2004b06b48f

      SHA512

      9c4b41f8654e7c656a2616ec1e2888f3fe4b8c35ac842aabf130881d4e4980154ef5ca75e7532714af5b8cbd588fe48e022e81af54c0ef03921e2c7229a24f3b

    • C:\Users\Admin\Downloads\7zip.exe
      MD5

      b21336f35129415d339f0a8f2fc190f5

      SHA1

      2ee98527e54dbb943f3f34046f66fbcc134be056

      SHA256

      b3aaccdc1085c2345fa97dee0864226062342c0f746ef0b91cd885f173ea572a

      SHA512

      0832bd4f73fbd302d5500aaf10f7ba2651e30547cc0a9bbd898f4ecfa9ee2480922809c95457cbd3382c7e075585ae069d2ea84b042066df69bad2e5c25e304e

    • C:\Users\Admin\Downloads\7zip.exe
      MD5

      b21336f35129415d339f0a8f2fc190f5

      SHA1

      2ee98527e54dbb943f3f34046f66fbcc134be056

      SHA256

      b3aaccdc1085c2345fa97dee0864226062342c0f746ef0b91cd885f173ea572a

      SHA512

      0832bd4f73fbd302d5500aaf10f7ba2651e30547cc0a9bbd898f4ecfa9ee2480922809c95457cbd3382c7e075585ae069d2ea84b042066df69bad2e5c25e304e

    • C:\Users\Admin\Downloads\7zip.exe
      MD5

      b21336f35129415d339f0a8f2fc190f5

      SHA1

      2ee98527e54dbb943f3f34046f66fbcc134be056

      SHA256

      b3aaccdc1085c2345fa97dee0864226062342c0f746ef0b91cd885f173ea572a

      SHA512

      0832bd4f73fbd302d5500aaf10f7ba2651e30547cc0a9bbd898f4ecfa9ee2480922809c95457cbd3382c7e075585ae069d2ea84b042066df69bad2e5c25e304e

    • C:\Users\Admin\Downloads\7zip.exe
      MD5

      b21336f35129415d339f0a8f2fc190f5

      SHA1

      2ee98527e54dbb943f3f34046f66fbcc134be056

      SHA256

      b3aaccdc1085c2345fa97dee0864226062342c0f746ef0b91cd885f173ea572a

      SHA512

      0832bd4f73fbd302d5500aaf10f7ba2651e30547cc0a9bbd898f4ecfa9ee2480922809c95457cbd3382c7e075585ae069d2ea84b042066df69bad2e5c25e304e

    • \ProgramData\ProtonVPNs.exe
      MD5

      bbdfa1d6790c663a569fc5b8dfecf810

      SHA1

      2191504f2a05f6b17b9476c4c7e005f8d3618f3a

      SHA256

      21feafefb5eff856a47945000c079d7c8954caf877b03a31b34ea9a546da3d33

      SHA512

      9f7e16d3bb3244557f0b2c826c18dabf199a81aff7b70b3d4bd1aa9d3e7a79a4bab1cb2c0c731744fcf2e1b24c56c48d1e90b13c8cbd2f9a453d5f7e0366fdea

    • \ProgramData\_7zipd.exe
      MD5

      c007d22f751661403db37a7062cc0acc

      SHA1

      156d48130171e2013f83560e4a78f05dc0eb5a14

      SHA256

      471e67a4a80c2fcf8d06e4519a99bde626c886768916cf5046faa901002892d7

      SHA512

      be66365bcedf1a6d033f83804d81c50094fb96e4f2390fa45e2b2a6c2fb8887810d03af8dd7e9ee0718f8a54831de4844a68b95d85cd111cf84708608cda6b94

    • \ProgramData\_7zipd.exe
      MD5

      c007d22f751661403db37a7062cc0acc

      SHA1

      156d48130171e2013f83560e4a78f05dc0eb5a14

      SHA256

      471e67a4a80c2fcf8d06e4519a99bde626c886768916cf5046faa901002892d7

      SHA512

      be66365bcedf1a6d033f83804d81c50094fb96e4f2390fa45e2b2a6c2fb8887810d03af8dd7e9ee0718f8a54831de4844a68b95d85cd111cf84708608cda6b94

    • \Users\Admin\Downloads\7zip.exe
      MD5

      b21336f35129415d339f0a8f2fc190f5

      SHA1

      2ee98527e54dbb943f3f34046f66fbcc134be056

      SHA256

      b3aaccdc1085c2345fa97dee0864226062342c0f746ef0b91cd885f173ea572a

      SHA512

      0832bd4f73fbd302d5500aaf10f7ba2651e30547cc0a9bbd898f4ecfa9ee2480922809c95457cbd3382c7e075585ae069d2ea84b042066df69bad2e5c25e304e

    • memory/1116-36-0x0000000000000000-mapping.dmp
    • memory/1388-40-0x0000000000000000-mapping.dmp
    • memory/1544-44-0x0000000000F10000-0x0000000000F58000-memory.dmp
      Filesize

      288KB

    • memory/1544-32-0x0000000000000000-mapping.dmp
    • memory/1544-35-0x00000000742C0000-0x00000000749AE000-memory.dmp
      Filesize

      6.9MB

    • memory/1544-43-0x00000000004D0000-0x00000000004DB000-memory.dmp
      Filesize

      44KB

    • memory/1544-37-0x0000000000F90000-0x0000000000F91000-memory.dmp
      Filesize

      4KB

    • memory/1544-41-0x0000000004D10000-0x0000000004D11000-memory.dmp
      Filesize

      4KB

    • memory/1548-42-0x0000000000000000-mapping.dmp
    • memory/1708-24-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/1708-27-0x00000000742C0000-0x00000000749AE000-memory.dmp
      Filesize

      6.9MB

    • memory/1708-28-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/1708-30-0x0000000004E50000-0x0000000004E51000-memory.dmp
      Filesize

      4KB

    • memory/1708-25-0x00000000004067BA-mapping.dmp
    • memory/1792-17-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp
      Filesize

      9.9MB

    • memory/1792-18-0x0000000000110000-0x0000000000111000-memory.dmp
      Filesize

      4KB

    • memory/1792-14-0x0000000000000000-mapping.dmp
    • memory/1924-3-0x0000000000A80000-0x0000000000A81000-memory.dmp
      Filesize

      4KB

    • memory/1924-5-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
      Filesize

      8KB

    • memory/1924-2-0x00000000742C0000-0x00000000749AE000-memory.dmp
      Filesize

      6.9MB

    • memory/1992-10-0x00000000742C0000-0x00000000749AE000-memory.dmp
      Filesize

      6.9MB

    • memory/1992-22-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
      Filesize

      4KB

    • memory/1992-20-0x0000000000340000-0x000000000034A000-memory.dmp
      Filesize

      40KB

    • memory/1992-21-0x0000000000430000-0x000000000043A000-memory.dmp
      Filesize

      40KB

    • memory/1992-11-0x0000000000E30000-0x0000000000E31000-memory.dmp
      Filesize

      4KB

    • memory/1992-7-0x0000000000000000-mapping.dmp
    • memory/2004-46-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/2004-47-0x000000000041FF7A-mapping.dmp
    • memory/2004-49-0x00000000742C0000-0x00000000749AE000-memory.dmp
      Filesize

      6.9MB

    • memory/2004-50-0x0000000000400000-0x0000000000426000-memory.dmp
      Filesize

      152KB

    • memory/2004-52-0x0000000000C50000-0x0000000000C51000-memory.dmp
      Filesize

      4KB