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Overview

overview

10

Static

static

C++ Dropper.exe

windows7_x64

1

C++ Dropper.exe

windows10_x64

10

Analysis

  • max time kernel
    97s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12/04/2021, 06:37

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General

  • Target

    C++ Dropper.exe

  • Size

    18KB

  • MD5

    356dc1680475998c7c23e199f2c2e9ca

  • SHA1

    8eadece945d635093c04a9d871ea0ead59d8e89f

  • SHA256

    e5990480cda6207bf008957ae5a3fa3debe6303fd19c3babc3f2223bf769479c

  • SHA512

    ea11d80221f730b0517f80350b474eb790109add96aff70af618dec1d8ee270a5ab8d42f2cf12becf02dfdcbbdeb48c4d339151f055945b802e9f0d88179b7dc

Score
10/10
raccoonf55f17175de492dccaffeb57cb41e8ca951c34c4discoveryspywarestealerupx

Malware Config

Extracted

Family

raccoon

Botnet

f55f17175de492dccaffeb57cb41e8ca951c34c4

Attributes
  • url4cnc

    https://tttttt.me/umiumitfr3

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

    stealerraccoon
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 13 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Loads dropped DLL 5 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

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

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

    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Kills process with taskkill 2 IoCs
    evasion
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\C++ Dropper.exe
    "C:\Users\Admin\AppData\Local\Temp\C++ Dropper.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Users\Admin\AppData\Local\Temp\helperlGeku21yEAQznpjDO6g5xZNU3T0VRtwP.exe
      "C:\Users\Admin\AppData\Local\Temp\helperlGeku21yEAQznpjDO6g5xZNU3T0VRtwP.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3240
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /im "helperlGeku21yEAQznpjDO6g5xZNU3T0VRtwP.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\helperlGeku21yEAQznpjDO6g5xZNU3T0VRtwP.exe" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3996
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im "helperlGeku21yEAQznpjDO6g5xZNU3T0VRtwP.exe" /f
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1576
    • C:\Users\Admin\AppData\Local\Temp\helperpJevQakfNY4X5i0x8dcHZU1yG3WuBPSA.exe
      "C:\Users\Admin\AppData\Local\Temp\helperpJevQakfNY4X5i0x8dcHZU1yG3WuBPSA.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Users\Admin\AppData\Local\Temp\helperpJevQakfNY4X5i0x8dcHZU1yG3WuBPSA.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1216
    • C:\Users\Admin\AppData\Local\Temp\helperRKnwAT9st2yhl1jO8cQ5zxbSqvBeNYUD.exe
      "C:\Users\Admin\AppData\Local\Temp\helperRKnwAT9st2yhl1jO8cQ5zxbSqvBeNYUD.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Users\Admin\AppData\Local\Temp\helperRKnwAT9st2yhl1jO8cQ5zxbSqvBeNYUD.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3252
    • C:\Users\Admin\AppData\Local\Temp\helperGRC8F4YTbQleU2S5vLrpgXo63HBhwzaP.exe
      "C:\Users\Admin\AppData\Local\Temp\helperGRC8F4YTbQleU2S5vLrpgXo63HBhwzaP.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\helperGRC8F4YTbQleU2S5vLrpgXo63HBhwzaP.exe
        "C:\Users\Admin\AppData\Local\Temp\helperGRC8F4YTbQleU2S5vLrpgXo63HBhwzaP.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2888
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\helperGRC8F4YTbQleU2S5vLrpgXo63HBhwzaP.exe"
          4⤵
            PID:1324
            • C:\Windows\SysWOW64\timeout.exe
              timeout /T 10 /NOBREAK
              5⤵
              • Delays execution with timeout.exe
              PID:4060
      • C:\Users\Admin\AppData\Local\Temp\helper0cVYrD98QSUz7fXTdMEG4bK2yBpPNva3.exe
        "C:\Users\Admin\AppData\Local\Temp\helper0cVYrD98QSUz7fXTdMEG4bK2yBpPNva3.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1584
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /im "helper0cVYrD98QSUz7fXTdMEG4bK2yBpPNva3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\helper0cVYrD98QSUz7fXTdMEG4bK2yBpPNva3.exe" & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4044
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /im "helper0cVYrD98QSUz7fXTdMEG4bK2yBpPNva3.exe" /f
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2360
      • C:\Users\Admin\AppData\Local\Temp\helper3E5SOGxNL69koIhvlWwqZgYDQatRJy2b.exe
        "C:\Users\Admin\AppData\Local\Temp\helper3E5SOGxNL69koIhvlWwqZgYDQatRJy2b.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3552
        • C:\Users\Admin\AppData\Local\Temp\helper3E5SOGxNL69koIhvlWwqZgYDQatRJy2b.exe
          "{path}"
          3⤵
          • Executes dropped EXE
          PID:4040
        • C:\Users\Admin\AppData\Local\Temp\helper3E5SOGxNL69koIhvlWwqZgYDQatRJy2b.exe
          "{path}"
          3⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:892
      • C:\Users\Admin\AppData\Local\Temp\helper7zW5fZ0CmHXoiJLn2Ujr94uvY18QKa6s.exe
        "C:\Users\Admin\AppData\Local\Temp\helper7zW5fZ0CmHXoiJLn2Ujr94uvY18QKa6s.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2832
        • C:\Users\Admin\AppData\Local\Temp\helper7zW5fZ0CmHXoiJLn2Ujr94uvY18QKa6s.exe
          "C:\Users\Admin\AppData\Local\Temp\helper7zW5fZ0CmHXoiJLn2Ujr94uvY18QKa6s.exe"
          3⤵
          • Executes dropped EXE
          • Modifies data under HKEY_USERS
          • Modifies system certificate store
          PID:1576
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2308

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/892-205-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

      Download

    • memory/892-208-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

      Download

    • memory/940-156-0x0000000004EA0000-0x000000000539E000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/940-150-0x0000000004EA0000-0x000000000539E000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/940-120-0x0000000000450000-0x0000000000451000-memory.dmp

      Filesize

      4KB

      Download

    • memory/940-147-0x00000000088B0000-0x00000000088B5000-memory.dmp

      Filesize

      20KB

      Download

    • memory/940-122-0x00000000053A0000-0x00000000053A1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/940-128-0x0000000004EA0000-0x000000000539E000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/940-127-0x0000000004F90000-0x0000000004F91000-memory.dmp

      Filesize

      4KB

      Download

    • memory/940-176-0x000000000B280000-0x000000000B2CB000-memory.dmp

      Filesize

      300KB

      Download

    • memory/940-175-0x0000000008BB0000-0x0000000008C48000-memory.dmp

      Filesize

      608KB

      Download

    • memory/940-123-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/940-149-0x0000000008970000-0x0000000008971000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-215-0x0000000006C00000-0x0000000006C01000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-187-0x0000000005190000-0x0000000005191000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-213-0x0000000006A30000-0x0000000006A31000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-186-0x0000000004EE0000-0x00000000054E6000-memory.dmp

      Filesize

      6.0MB

      Download

    • memory/1216-185-0x0000000004F20000-0x0000000004F21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-214-0x0000000007130000-0x0000000007131000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-184-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-219-0x00000000070C0000-0x00000000070C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-177-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/1216-183-0x0000000002930000-0x0000000002931000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1216-182-0x00000000054F0000-0x00000000054F1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1404-129-0x00000000000E0000-0x00000000000E1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1404-140-0x0000000004A50000-0x0000000004F4E000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/1404-188-0x00000000082E0000-0x000000000837B000-memory.dmp

      Filesize

      620KB

      Download

    • memory/1404-189-0x0000000007F10000-0x0000000007F5F000-memory.dmp

      Filesize

      316KB

      Download

    • memory/1404-152-0x0000000004A50000-0x0000000004F4E000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/1404-154-0x0000000004A50000-0x0000000004F4E000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/1584-172-0x0000000000400000-0x0000000003DB3000-memory.dmp

      Filesize

      57.7MB

      Download

    • memory/1584-171-0x0000000003EC0000-0x000000000400A000-memory.dmp

      Filesize

      1.3MB

      Download

    • memory/2888-225-0x0000000000400000-0x0000000000492000-memory.dmp

      Filesize

      584KB

      Download

    • memory/2888-222-0x0000000000400000-0x0000000000492000-memory.dmp

      Filesize

      584KB

      Download

    • memory/3240-166-0x0000000000400000-0x0000000003DA4000-memory.dmp

      Filesize

      57.6MB

      Download

    • memory/3240-165-0x0000000005990000-0x00000000059BE000-memory.dmp

      Filesize

      184KB

      Download

    • memory/3252-190-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

      Download

    • memory/3252-202-0x0000000005210000-0x0000000005816000-memory.dmp

      Filesize

      6.0MB

      Download

    • memory/3552-161-0x0000000004EC0000-0x00000000053BE000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/3552-162-0x0000000004EC0000-0x00000000053BE000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/3552-158-0x0000000004EC0000-0x00000000053BE000-memory.dmp

      Filesize

      5.0MB

      Download

    • memory/3552-201-0x00000000099B0000-0x0000000009A63000-memory.dmp

      Filesize

      716KB

      Download

    • memory/3552-144-0x0000000000500000-0x0000000000501000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3552-203-0x0000000008780000-0x00000000087F9000-memory.dmp

      Filesize

      484KB

      Download