Overview

overview

10

Static

static

3011f2257b...6b.exe

windows7_x64

10

3011f2257b...6b.exe

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    181s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    03/08/2021, 22:22

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General

  • Target
    3011f2257b899aa8196e02447383a46b.exe
  • Size 1.2MB
  • Sample210803-hrsa4ege3e
  • SHA256 4df50c6d6d188c3413bdba53851cbeea7b281b92b0d5341c021a65912395fa5b
  • MD5 SHA1 SHA512
Score
10/10
redlinesocelars2_8_r35k_selectevasioninfostealerstealersuricatathemidatrojanupx

Malware Config

Extracted

Family

  • redline

Botnet

  • 35k_SELECT

C2

  • 45.14.49.117:14251

Extracted

Family

  • redline

Botnet

  • 2_8_r

C2

  • zertypelil.xyz:80

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
    evasiontrojan
  • RedLine

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

    infostealerredline
  • RedLine Payload 4 IoCs
  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

    stealersocelars
  • Socelars Payload 1 IoCs
  • suricata: ET MALWARE Possible Dridex Download URI Struct with no referer
    suricata
  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
    suricata
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Downloads MZ/PE file
  • Executes dropped EXE 14 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 32 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Modifies system certificate store 2 TTPs 8 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3011f2257b899aa8196e02447383a46b.exe
    "C:\Users\Admin\AppData\Local\Temp\3011f2257b899aa8196e02447383a46b.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\Documents\3dkS_9lLqzKZHRsV8AZUxdKB.exe
      "C:\Users\Admin\Documents\3dkS_9lLqzKZHRsV8AZUxdKB.exe"
      2⤵
      • Executes dropped EXE
      PID:824
    • C:\Users\Admin\Documents\_N_AZ6ZMBA0ksetMTOQC7v_L.exe
      "C:\Users\Admin\Documents\_N_AZ6ZMBA0ksetMTOQC7v_L.exe"
      2⤵
      • Executes dropped EXE
      PID:1012
    • C:\Users\Admin\Documents\Xkajp6Wim6TIeEzZIXMA8Scw.exe
      "C:\Users\Admin\Documents\Xkajp6Wim6TIeEzZIXMA8Scw.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:1556
      • C:\Users\Admin\Documents\Xkajp6Wim6TIeEzZIXMA8Scw.exe
        C:\Users\Admin\Documents\Xkajp6Wim6TIeEzZIXMA8Scw.exe
        3⤵
          PID:1336
      • C:\Users\Admin\Documents\23VtSqky151sjurRtKTgDajk.exe
        "C:\Users\Admin\Documents\23VtSqky151sjurRtKTgDajk.exe"
        2⤵
          PID:960
        • C:\Users\Admin\Documents\zSxpaZD29aDjKCV43e00QJs3.exe
          "C:\Users\Admin\Documents\zSxpaZD29aDjKCV43e00QJs3.exe"
          2⤵
            PID:900
          • C:\Users\Admin\Documents\9xiaqq_1FeN0w0DGOG9zYv9A.exe
            "C:\Users\Admin\Documents\9xiaqq_1FeN0w0DGOG9zYv9A.exe"
            2⤵
              PID:1156
            • C:\Users\Admin\Documents\fPtG8KX1HqH69UK8cvhXyiYC.exe
              "C:\Users\Admin\Documents\fPtG8KX1HqH69UK8cvhXyiYC.exe"
              2⤵
              • Executes dropped EXE
              • Checks BIOS information in registry
              • Checks whether UAC is enabled
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              PID:800
            • C:\Users\Admin\Documents\CDIja5JYMvctRW7EkX5NXQj7.exe
              "C:\Users\Admin\Documents\CDIja5JYMvctRW7EkX5NXQj7.exe"
              2⤵
              • Executes dropped EXE
              • Modifies system certificate store
              • Suspicious use of AdjustPrivilegeToken
              PID:1076
            • C:\Users\Admin\Documents\G6WKlN3fPfVExTolR52x9C8k.exe
              "C:\Users\Admin\Documents\G6WKlN3fPfVExTolR52x9C8k.exe"
              2⤵
                PID:536
              • C:\Users\Admin\Documents\44ar0yelYVfizFsiN_QKTg5I.exe
                "C:\Users\Admin\Documents\44ar0yelYVfizFsiN_QKTg5I.exe"
                2⤵
                • Executes dropped EXE
                PID:1688
              • C:\Users\Admin\Documents\DczWfAY3uWdnxvMYcEYUIHIk.exe
                "C:\Users\Admin\Documents\DczWfAY3uWdnxvMYcEYUIHIk.exe"
                2⤵
                • Executes dropped EXE
                PID:680
              • C:\Users\Admin\Documents\AdYTunfYXsTHBK4cgob8nVql.exe
                "C:\Users\Admin\Documents\AdYTunfYXsTHBK4cgob8nVql.exe"
                2⤵
                • Executes dropped EXE
                PID:1960
              • C:\Users\Admin\Documents\Uwer8EZvl7VA21BgIlmddxBh.exe
                "C:\Users\Admin\Documents\Uwer8EZvl7VA21BgIlmddxBh.exe"
                2⤵
                • Executes dropped EXE
                • Loads dropped DLL
                PID:2016
                • C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe
                  C:\Users\Admin\AppData\Local\Temp\jfiag3g_gg.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\fj4ghga23_fsa.txt
                  3⤵
                  • Executes dropped EXE
                  PID:752
              • C:\Users\Admin\Documents\1QkgNzbADvZCC79FUo0MciKw.exe
                "C:\Users\Admin\Documents\1QkgNzbADvZCC79FUo0MciKw.exe"
                2⤵
                • Executes dropped EXE
                PID:1436
              • C:\Users\Admin\Documents\f90U83ERqq0FxoYj584Yxky9.exe
                "C:\Users\Admin\Documents\f90U83ERqq0FxoYj584Yxky9.exe"
                2⤵
                • Executes dropped EXE
                PID:2028
              • C:\Users\Admin\Documents\Fo2z4fNxJ_ogjqRBXvHvRyOH.exe
                "C:\Users\Admin\Documents\Fo2z4fNxJ_ogjqRBXvHvRyOH.exe"
                2⤵
                  PID:1136
                • C:\Users\Admin\Documents\SeqyX7eSOGgL6KdJPZ7Y_720.exe
                  "C:\Users\Admin\Documents\SeqyX7eSOGgL6KdJPZ7Y_720.exe"
                  2⤵
                    PID:1704
                  • C:\Users\Admin\Documents\vT3wvVpd_rk_pBupJOcNa7Wb.exe
                    "C:\Users\Admin\Documents\vT3wvVpd_rk_pBupJOcNa7Wb.exe"
                    2⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    PID:1516
                    • C:\Users\Admin\AppData\Local\Temp\is-5JQEN.tmp\vT3wvVpd_rk_pBupJOcNa7Wb.tmp
                      "C:\Users\Admin\AppData\Local\Temp\is-5JQEN.tmp\vT3wvVpd_rk_pBupJOcNa7Wb.tmp" /SL5="$1015E,138429,56832,C:\Users\Admin\Documents\vT3wvVpd_rk_pBupJOcNa7Wb.exe"
                      3⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:1160

                Network

                      MITRE ATT&CK Enterprise v6

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                      Downloads

                      memory/1012-131-0x0000000000010000-0x0000000000011000-memory.dmp
                      Download

                      memory/1072-59-0x00000000752F1000-0x00000000752F3000-memory.dmp
                      Download

                      memory/1076-127-0x00000000000F0000-0x00000000000F1000-memory.dmp
                      Download

                      memory/1076-153-0x00000000005B0000-0x00000000005B1000-memory.dmp
                      Download

                      memory/1076-150-0x00000000004E0000-0x00000000004F0000-memory.dmp
                      Download

                      memory/1160-152-0x00000000005E0000-0x000000000061C000-memory.dmp
                      Download

                      memory/1336-146-0x0000000000400000-0x000000000041E000-memory.dmp
                      Download

                      memory/1436-135-0x0000000000240000-0x0000000000250000-memory.dmp
                      Download

                      memory/1436-143-0x0000000000270000-0x0000000000282000-memory.dmp
                      Download

                      memory/1516-130-0x0000000000400000-0x0000000000414000-memory.dmp
                      Download

                      memory/1556-145-0x0000000000B30000-0x0000000000B31000-memory.dmp
                      Download

                      memory/1556-123-0x0000000000F00000-0x0000000000F01000-memory.dmp
                      Download