Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2024, 23:26

General

  • Target
    4ef41d48509cbc289c46f9b252d780ea1abd83e849c42a47bf7b481b79fead7e.exe
  • Size 2.3MB
  • Sample241108-3e8mvs1paz
  • SHA256 4ef41d48509cbc289c46f9b252d780ea1abd83e849c42a47bf7b481b79fead7e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • arkei

Botnet
  • Default

C2
  • 188.212.124.13/lYWcN6H7B1.php

Extracted

Family
  • redline

Botnet
  • ОШИБКА

C2
  • 185.183.32.161:45391

Attributes
  • auth_value

    d18b47a36849f89352e431c80fc6cb5d

Extracted

Family
  • redline

Botnet
  • 11/13

C2
  • 94.103.9.133:1169

Attributes
  • auth_value

    b69e61a3d7a039daa16500dfdc1eaa12

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Arkei family
  • RedLine

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

  • RedLine payload 2 IoCs
  • Redline family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 11 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 20 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ef41d48509cbc289c46f9b252d780ea1abd83e849c42a47bf7b481b79fead7e.exe
    "C:\Users\Admin\AppData\Local\Temp\4ef41d48509cbc289c46f9b252d780ea1abd83e849c42a47bf7b481b79fead7e.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Users\Admin\AppData\Local\Temp\MarsBuild_2021-11-14_11-20.exe
      "C:\Users\Admin\AppData\Local\Temp\MarsBuild_2021-11-14_11-20.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 548
        3⤵
        • Program crash
        PID:4832
    • C:\Users\Admin\AppData\Local\Temp\clean.exe
      "C:\Users\Admin\AppData\Local\Temp\clean.exe"
      2⤵
      • Executes dropped EXE
      PID:3800
    • C:\Users\Admin\AppData\Local\Temp\OQTGVRp.exe
      "C:\Users\Admin\AppData\Local\Temp\OQTGVRp.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3812
      • C:\Windows\SysWOW64\makecab.exe
        makecab
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4820
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cmd < Duro.potx
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5112
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:844
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^JdynOpYGXnWkzSuDQWhFskbJYxaqZbxLWAnCRclynOJXkaaxpyDmJmtnSvAxQXHArlfSxDLxLiiDBmnGwYRUUVevcZJcVQgAupUqemqFzoNBaA$" Due.potx
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4872
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Forma.exe.com
            Forma.exe.com b
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:2940
            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Forma.exe.com
              C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Forma.exe.com b
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              • Suspicious use of WriteProcessMemory
              PID:2916
              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RegAsm.exe
                C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\RegAsm.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:3104
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:3688
    • C:\Users\Admin\AppData\Local\Temp\clean.exe
      "C:\Users\Admin\AppData\Local\Temp\clean.exe"
      2⤵
      • Executes dropped EXE
      PID:4444
    • C:\Users\Admin\AppData\Local\Temp\QdUPABU.exe
      "C:\Users\Admin\AppData\Local\Temp\QdUPABU.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4432
      • C:\Windows\SysWOW64\makecab.exe
        makecab
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1104
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cmd < Aggrava.accdt
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3232
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4800
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^ShpzYFLbYRfWJuFRXyNbzLysSxWtdBORrgKocLRwRlexRlxdHPIcxtdioSAEIHivrnSxvvvjgLGoIKmHZGvBSzvYYDqDljzlrGszaqTlaviIninbaTFelFEKwTcTvTew$" Pie.accdt
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4064
          • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Udi.exe.com
            Udi.exe.com k
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:1084
            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Udi.exe.com
              C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Udi.exe.com k
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              • Suspicious use of WriteProcessMemory
              PID:1116
              • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RegAsm.exe
                C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RegAsm.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1104
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:3256
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1004 -ip 1004
    1⤵
      PID:3528

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Due.potx

          • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Due.potx
          • Size 872KB
          • SHA256 3e6fff185ac509106bed8e02969acc2c272f65300249e66b5a504c92d4a58d0e
          • MD5 SHA1 SHA512 SSDEEP

          Duro.potx

          • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Duro.potx
          • Size 334B
          • SHA256 a9a4218d1a194894aaf6b487c502a24f0f84041a20e720a4a719201ffc31ae02
          • MD5 SHA1 SHA512

          Era.potx

          • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Era.potx
          • Size 931KB
          • SHA256 b1263474b5adfaa1419a51ebd697ddcb05ff89bc6c037e08d376994f4550957b
          • MD5 SHA1 SHA512 SSDEEP

          Aggrava.accdt

          • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Aggrava.accdt
          • Size 343B
          • SHA256 edd2efdd14116825ff18d706aad2bd716382acbe678eda85c5057bd257b1a02e
          • MD5 SHA1 SHA512

          Migliore.accdt

          • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Migliore.accdt
          • Size 909KB
          • SHA256 797bdb0508bf241ccc4beff1da822e26b5113592556fbbf53623ec2f0c432ec7
          • MD5 SHA1 SHA512 SSDEEP

          Pie.accdt

          • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Pie.accdt
          • Size 872KB
          • SHA256 d83dd02bf0531d87e4b1af3a68cd601b21d33e2a9e77bc7e8cf1753f77b10438
          • MD5 SHA1 SHA512 SSDEEP

          RegAsm.exe

          • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RegAsm.exe
          • Size 63KB
          • SHA256 c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc
          • MD5 SHA1 SHA512 SSDEEP

          Udi.exe.com

          • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Udi.exe.com
          • Size 872KB
          • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
          • MD5 SHA1 SHA512 SSDEEP

          MarsBuild_2021-11-14_11-20.exe

          • Path C:\Users\Admin\AppData\Local\Temp\MarsBuild_2021-11-14_11-20.exe
          • Size 263KB
          • SHA256 19c5b1b8a2cdb858835234cebf962a73492f843b6e434b7e5c11d16ddcf09a62
          • MD5 SHA1 SHA512 SSDEEP

          OQTGVRp.exe

          • Path C:\Users\Admin\AppData\Local\Temp\OQTGVRp.exe
          • Size 819KB
          • SHA256 9300234fb143a410b3fc3fa0e0631a6a15f563a086af6854d0917ae5653ff0f5
          • MD5 SHA1 SHA512 SSDEEP

          QdUPABU.exe

          • Path C:\Users\Admin\AppData\Local\Temp\QdUPABU.exe
          • Size 808KB
          • SHA256 0f20bd03381fabc111c319d58c04e5c8c4fdf4a12fbfed2ae5b0d13b8964ff7b
          • MD5 SHA1 SHA512 SSDEEP

          clean.exe

          • Path C:\Users\Admin\AppData\Local\Temp\clean.exe
          • Size 309KB
          • SHA256 c1570c01feaf033c8d7697a7a873b77754b22aa67e0ca0499ed22095b651d2af
          • MD5 SHA1 SHA512 SSDEEP

          memory/1004-91-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/1004-90-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/1104-94-0x0000000000400000-0x0000000000420000-memory.dmp

          memory/1104-98-0x0000000004FC0000-0x00000000055D8000-memory.dmp

          memory/1104-99-0x0000000004A20000-0x0000000004A32000-memory.dmp

          memory/1104-100-0x0000000004C50000-0x0000000004D5A000-memory.dmp

          memory/1104-101-0x0000000004BD0000-0x0000000004C0C000-memory.dmp

          memory/1104-102-0x0000000004EE0000-0x0000000004F2C000-memory.dmp

          memory/3104-105-0x0000000001000000-0x0000000001038000-memory.dmp

          memory/3800-32-0x0000000000E90000-0x0000000000FD3000-memory.dmp

          memory/3800-35-0x0000000000E90000-0x0000000000FD3000-memory.dmp

          memory/4444-51-0x0000000000E90000-0x0000000000FD3000-memory.dmp

          memory/4444-49-0x0000000000E90000-0x0000000000FD3000-memory.dmp