Analysis

  • max time kernel
    110s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 00:13

General

  • Target

    e1acbd5a6f99723b593c01d66db26b8d.exe

  • Size

    1.1MB

  • MD5

    e1acbd5a6f99723b593c01d66db26b8d

  • SHA1

    b3101df9e1c686d2c92814106c414eef586e7589

  • SHA256

    d88640b60a99a39f22a11731d0fc886fd2c9fdfb094f42886e6ba419025e69ec

  • SHA512

    14b2000de6f0956a0f8e34c3de97e67725805fb6b64347f3a118a6709854636bc4e3c4ecb91238971b4b6ea556ca0969daf9c7b9b62bda559462277cb11889e6

Malware Config

Extracted

Family

raccoon

Botnet

b76017a227a0d879dec7c76613918569d03892fb

Attributes
  • url4cnc

    http://telegka.top/brikitiki

    http://telegin.top/brikitiki

    https://t.me/brikitiki

rc4.plain
rc4.plain

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Extracted

Family

oski

C2

scarsa.ac.ug

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1acbd5a6f99723b593c01d66db26b8d.exe
    "C:\Users\Admin\AppData\Local\Temp\e1acbd5a6f99723b593c01d66db26b8d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Njoarrjqwtkcyedoiyokf.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4336
      • C:\Users\Admin\AppData\Local\Temp\Gpbwrbwuaconsoleapp17.exe
        "C:\Users\Admin\AppData\Local\Temp\Gpbwrbwuaconsoleapp17.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4512
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Cluexwrmdbpntfny.vbs"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3132
          • C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe
            "C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:576
            • C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe
              C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:3688
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c taskkill /pid 3688 & erase C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe & RD /S /Q C:\\ProgramData\\917485469455187\\* & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4436
                • C:\Windows\SysWOW64\taskkill.exe
                  taskkill /pid 3688
                  8⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2388
        • C:\Users\Admin\AppData\Local\Temp\Gpbwrbwuaconsoleapp17.exe
          C:\Users\Admin\AppData\Local\Temp\Gpbwrbwuaconsoleapp17.exe
          4⤵
          • Executes dropped EXE
          PID:644
    • C:\Users\Admin\AppData\Local\Temp\e1acbd5a6f99723b593c01d66db26b8d.exe
      C:\Users\Admin\AppData\Local\Temp\e1acbd5a6f99723b593c01d66db26b8d.exe
      2⤵
        PID:4536
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 960
          3⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1764

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Cluexwrmdbpntfny.vbs
      MD5

      6b0154ea182640615f31706030f68c68

      SHA1

      9ffdfde77609c938a2d34483a9d6066f22bc791b

      SHA256

      78c821ffafd8ccb109314e16cee0e1e4d69d76aaa87aed8e750d15e7816b1043

      SHA512

      a815ae4b298510b91a9a06cab1068f85326394b9b250484376058ae127b2d5e97d31f31a0d85a6848200f71f4565c7a5f2934427abec52bc245198e171634e28

    • C:\Users\Admin\AppData\Local\Temp\Gpbwrbwuaconsoleapp17.exe
      MD5

      1597ffd4b1262d1d25f34f0de7aed129

      SHA1

      936fcc97ca39f39aaa05635b95da5a7698785546

      SHA256

      f659031b488c5c105016d60cfc9da09ea0a68f43b957e8b264461e75bcbf6f4b

      SHA512

      29b611766ee35dbf286a71462d845f54897b21c583e24eeb4cbcf5bc387f2468d0ebdb1712f6fc54b3a122d2a1fec122f7c9af7faeda31e6e0625cdff77d9dad

    • C:\Users\Admin\AppData\Local\Temp\Gpbwrbwuaconsoleapp17.exe
      MD5

      1597ffd4b1262d1d25f34f0de7aed129

      SHA1

      936fcc97ca39f39aaa05635b95da5a7698785546

      SHA256

      f659031b488c5c105016d60cfc9da09ea0a68f43b957e8b264461e75bcbf6f4b

      SHA512

      29b611766ee35dbf286a71462d845f54897b21c583e24eeb4cbcf5bc387f2468d0ebdb1712f6fc54b3a122d2a1fec122f7c9af7faeda31e6e0625cdff77d9dad

    • C:\Users\Admin\AppData\Local\Temp\Gpbwrbwuaconsoleapp17.exe
      MD5

      1597ffd4b1262d1d25f34f0de7aed129

      SHA1

      936fcc97ca39f39aaa05635b95da5a7698785546

      SHA256

      f659031b488c5c105016d60cfc9da09ea0a68f43b957e8b264461e75bcbf6f4b

      SHA512

      29b611766ee35dbf286a71462d845f54897b21c583e24eeb4cbcf5bc387f2468d0ebdb1712f6fc54b3a122d2a1fec122f7c9af7faeda31e6e0625cdff77d9dad

    • C:\Users\Admin\AppData\Local\Temp\Njoarrjqwtkcyedoiyokf.vbs
      MD5

      affb5ef06d9491a7792bb095d79c76de

      SHA1

      fa1f67d95cd8c6e92175a013dd85e249e07f58cd

      SHA256

      ba957adcb69f054612b662976cd85a723a281bac10d7d0df0675386916373900

      SHA512

      75c2b707e7a0afb90a7714516eaba3694b21fe6d036fefcb46c89463e83ee3d8f93769ccefb9498cad5a4911147d91e0d506c2c152dc646a3dcab515bcca7a02

    • C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe
      MD5

      960586bdf44ca1fcb8e80cd5846a77b6

      SHA1

      50d76e219c07a9dc6d7fd827c9fe9f3ef050cfcb

      SHA256

      92e2cc7980fc342c59860a0e6a16c73f10ee3b0caac53530121e89448933d305

      SHA512

      1e2676c0357d3d1c1177d36816c84c5157956afc2d0ef30aa4fd0ea3aef3150cec31e3a9cdcd31a6d71b8cd2429973e27584e7a9b8003be475c935e31e1a283b

    • C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe
      MD5

      960586bdf44ca1fcb8e80cd5846a77b6

      SHA1

      50d76e219c07a9dc6d7fd827c9fe9f3ef050cfcb

      SHA256

      92e2cc7980fc342c59860a0e6a16c73f10ee3b0caac53530121e89448933d305

      SHA512

      1e2676c0357d3d1c1177d36816c84c5157956afc2d0ef30aa4fd0ea3aef3150cec31e3a9cdcd31a6d71b8cd2429973e27584e7a9b8003be475c935e31e1a283b

    • C:\Users\Admin\AppData\Local\Temp\Wrygpxuoiconsoleapp4.exe
      MD5

      960586bdf44ca1fcb8e80cd5846a77b6

      SHA1

      50d76e219c07a9dc6d7fd827c9fe9f3ef050cfcb

      SHA256

      92e2cc7980fc342c59860a0e6a16c73f10ee3b0caac53530121e89448933d305

      SHA512

      1e2676c0357d3d1c1177d36816c84c5157956afc2d0ef30aa4fd0ea3aef3150cec31e3a9cdcd31a6d71b8cd2429973e27584e7a9b8003be475c935e31e1a283b

    • \ProgramData\mozglue.dll
      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • \ProgramData\nss3.dll
      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • \ProgramData\sqlite3.dll
      MD5

      e477a96c8f2b18d6b5c27bde49c990bf

      SHA1

      e980c9bf41330d1e5bd04556db4646a0210f7409

      SHA256

      16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

      SHA512

      335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

    • memory/576-149-0x0000000005030000-0x0000000005031000-memory.dmp
      Filesize

      4KB

    • memory/576-144-0x0000000004CF0000-0x0000000004D32000-memory.dmp
      Filesize

      264KB

    • memory/576-141-0x0000000000480000-0x0000000000481000-memory.dmp
      Filesize

      4KB

    • memory/576-145-0x0000000004D40000-0x0000000004D63000-memory.dmp
      Filesize

      140KB

    • memory/576-139-0x0000000000000000-mapping.dmp
    • memory/644-143-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/644-134-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/644-136-0x000000000041A684-mapping.dmp
    • memory/1996-115-0x0000000000E00000-0x0000000000E01000-memory.dmp
      Filesize

      4KB

    • memory/1996-120-0x00000000059B0000-0x0000000005A05000-memory.dmp
      Filesize

      340KB

    • memory/1996-118-0x0000000005890000-0x0000000005891000-memory.dmp
      Filesize

      4KB

    • memory/1996-117-0x00000000058A0000-0x00000000059A5000-memory.dmp
      Filesize

      1.0MB

    • memory/2388-155-0x0000000000000000-mapping.dmp
    • memory/3132-131-0x0000000000000000-mapping.dmp
    • memory/3688-150-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/3688-146-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/3688-147-0x0000000000417A8B-mapping.dmp
    • memory/4336-119-0x0000000000000000-mapping.dmp
    • memory/4436-154-0x0000000000000000-mapping.dmp
    • memory/4512-125-0x0000000000000000-mapping.dmp
    • memory/4512-135-0x00000000058B0000-0x00000000058B1000-memory.dmp
      Filesize

      4KB

    • memory/4512-132-0x00000000056D0000-0x00000000056EB000-memory.dmp
      Filesize

      108KB

    • memory/4512-130-0x0000000005620000-0x00000000056A9000-memory.dmp
      Filesize

      548KB

    • memory/4512-127-0x0000000000DB0000-0x0000000000DB1000-memory.dmp
      Filesize

      4KB

    • memory/4536-129-0x0000000000400000-0x0000000000491000-memory.dmp
      Filesize

      580KB

    • memory/4536-123-0x000000000043E9BE-mapping.dmp
    • memory/4536-122-0x0000000000400000-0x0000000000491000-memory.dmp
      Filesize

      580KB