Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    24-03-2022 02:08

General

  • Target

    8181e5485c8c252628092084f37bd275eddc66d86d03bb07d149203be5e8a611.exe

  • Size

    760KB

  • MD5

    2c4b3dd8eb91365645b88f763fa962f4

  • SHA1

    17330e2274533cee442669dadbd0be43beb3887a

  • SHA256

    8181e5485c8c252628092084f37bd275eddc66d86d03bb07d149203be5e8a611

  • SHA512

    98a99702a528724136ef60a331e5741e0ccccdba86f20801a0c898104c3156bf0852097786cdbff481a9d924dd7711a8bf4c3d5012d76cf3864fa8b6363546a5

Malware Config

Extracted

Family

raccoon

Botnet

125d9f8ed76e486f6563be097a710bd4cba7f7f2

Attributes
  • url4cnc

    http://5.252.178.180/brikitiki

    https://t.me/brikitiki

rc4.plain
rc4.plain

Extracted

Family

arkei

Botnet

Default

C2

http://62.204.41.69/p8jG9WvgbE.php

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Azorult

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

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)

    suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13

  • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

    suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Loads dropped DLL 7 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8181e5485c8c252628092084f37bd275eddc66d86d03bb07d149203be5e8a611.exe
    "C:\Users\Admin\AppData\Local\Temp\8181e5485c8c252628092084f37bd275eddc66d86d03bb07d149203be5e8a611.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:408
    • C:\Users\Admin\AppData\Roaming\memers.exe
      "C:\Users\Admin\AppData\Roaming\memers.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Users\Admin\AppData\Roaming\memers.exe
        "C:\Users\Admin\AppData\Roaming\memers.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:3028
        • C:\Users\Admin\AppData\Roaming\azne.exe
          "C:\Users\Admin\AppData\Roaming\azne.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4044
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA2AA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1468
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            5⤵
            • Loads dropped DLL
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:1776
        • C:\Users\Admin\AppData\Roaming\pm.exe
          "C:\Users\Admin\AppData\Roaming\pm.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4348
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBzACAAMQA2AA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1176
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Roaming\memers.exe" & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3408
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            5⤵
            • Delays execution with timeout.exe
            PID:3564
    • C:\Users\Admin\AppData\Local\Temp\8181e5485c8c252628092084f37bd275eddc66d86d03bb07d149203be5e8a611.exe
      "C:\Users\Admin\AppData\Local\Temp\8181e5485c8c252628092084f37bd275eddc66d86d03bb07d149203be5e8a611.exe"
      2⤵
        PID:3276

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\mozglue.dll
      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • C:\ProgramData\nss3.dll
      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
      MD5

      4c4184d3454890c87b54c2e5ab992e34

      SHA1

      91430044140ec65d67f9d0ae7aa5bbe42a4b088b

      SHA256

      e0fc292d3fb4631c387f17408267485725f42fcb1a906563d4ccdda7e282f913

      SHA512

      3cbc70ed58c3680207544a844d04234dc1922dee80b9a1e75393ace57b76d6887dccbe21c9b2205711dc0b8617839903b0c047ab5ed564558cd9ba00bdd1b718

    • C:\Users\Admin\AppData\Local\Temp\9B5325BF\mozglue.dll
      MD5

      9e682f1eb98a9d41468fc3e50f907635

      SHA1

      85e0ceca36f657ddf6547aa0744f0855a27527ee

      SHA256

      830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

      SHA512

      230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

    • C:\Users\Admin\AppData\Local\Temp\9B5325BF\msvcp140.dll
      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • C:\Users\Admin\AppData\Local\Temp\9B5325BF\nss3.dll
      MD5

      556ea09421a0f74d31c4c0a89a70dc23

      SHA1

      f739ba9b548ee64b13eb434a3130406d23f836e3

      SHA256

      f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

      SHA512

      2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

    • C:\Users\Admin\AppData\Local\Temp\9B5325BF\vcruntime140.dll
      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • C:\Users\Admin\AppData\Local\Temp\9B5325BF\vcruntime140.dll
      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • C:\Users\Admin\AppData\Roaming\azne.exe
      MD5

      7380e6393cb0fd25559d2ec9b7a845a1

      SHA1

      05794f53f5da768852f705a766affe01d84df24f

      SHA256

      c4e9506ae32db057b0283fe9fd7f0d4b482395866ac0d023c5d289c8bdf434fb

      SHA512

      806bd1c3a52b1d7fece20883c2ef73cb0739cbaf73134b101ec97504b941b71c73993ae32dce13523df3ea26290e2abfd1af9173cddc75ee775cc84b91749bc3

    • C:\Users\Admin\AppData\Roaming\azne.exe
      MD5

      7380e6393cb0fd25559d2ec9b7a845a1

      SHA1

      05794f53f5da768852f705a766affe01d84df24f

      SHA256

      c4e9506ae32db057b0283fe9fd7f0d4b482395866ac0d023c5d289c8bdf434fb

      SHA512

      806bd1c3a52b1d7fece20883c2ef73cb0739cbaf73134b101ec97504b941b71c73993ae32dce13523df3ea26290e2abfd1af9173cddc75ee775cc84b91749bc3

    • C:\Users\Admin\AppData\Roaming\memers.exe
      MD5

      a789f8825dca1cf639f136f72e2ee6c2

      SHA1

      705cf8371a72530cffdc8816fc51a70412ed4046

      SHA256

      99beb03c48f91fa0c58f5616002fc25dcc60638f20bb2879825a16298eb8d4c2

      SHA512

      988b8f0b66251588316adc3a6c2d1d8c1a25929f6d273767766084e2a789da7a980fa39908ae8bdf718cbc4a9e7a0cfa0deae0d535492b5e84af8dc59a00c3d1

    • C:\Users\Admin\AppData\Roaming\memers.exe
      MD5

      a789f8825dca1cf639f136f72e2ee6c2

      SHA1

      705cf8371a72530cffdc8816fc51a70412ed4046

      SHA256

      99beb03c48f91fa0c58f5616002fc25dcc60638f20bb2879825a16298eb8d4c2

      SHA512

      988b8f0b66251588316adc3a6c2d1d8c1a25929f6d273767766084e2a789da7a980fa39908ae8bdf718cbc4a9e7a0cfa0deae0d535492b5e84af8dc59a00c3d1

    • C:\Users\Admin\AppData\Roaming\memers.exe
      MD5

      a789f8825dca1cf639f136f72e2ee6c2

      SHA1

      705cf8371a72530cffdc8816fc51a70412ed4046

      SHA256

      99beb03c48f91fa0c58f5616002fc25dcc60638f20bb2879825a16298eb8d4c2

      SHA512

      988b8f0b66251588316adc3a6c2d1d8c1a25929f6d273767766084e2a789da7a980fa39908ae8bdf718cbc4a9e7a0cfa0deae0d535492b5e84af8dc59a00c3d1

    • C:\Users\Admin\AppData\Roaming\pm.exe
      MD5

      9d4733290705c28e45c8e52d00126979

      SHA1

      553b6d4f953f6b71be176d45917d093a4fb320b9

      SHA256

      f016ff324df6fdcf11c3de424eaed30945e90b86d24cfa3ae2fca9be940d86e7

      SHA512

      c3cc7f885ab770d50e4eef56e8b9b770fa4aee19bf7db29e713d8429bc56fc3a2d0955be7b750cf9be901eb7ce421079961b8723dfb08c885a7cb164ebd106c0

    • C:\Users\Admin\AppData\Roaming\pm.exe
      MD5

      9d4733290705c28e45c8e52d00126979

      SHA1

      553b6d4f953f6b71be176d45917d093a4fb320b9

      SHA256

      f016ff324df6fdcf11c3de424eaed30945e90b86d24cfa3ae2fca9be940d86e7

      SHA512

      c3cc7f885ab770d50e4eef56e8b9b770fa4aee19bf7db29e713d8429bc56fc3a2d0955be7b750cf9be901eb7ce421079961b8723dfb08c885a7cb164ebd106c0

    • memory/1176-179-0x000001FF5DC10000-0x000001FF5DC32000-memory.dmp
      Filesize

      136KB

    • memory/1176-176-0x0000000000000000-mapping.dmp
    • memory/1176-187-0x000001FF5DB06000-0x000001FF5DB08000-memory.dmp
      Filesize

      8KB

    • memory/1176-183-0x000001FF5DB03000-0x000001FF5DB05000-memory.dmp
      Filesize

      8KB

    • memory/1176-182-0x000001FF5DB00000-0x000001FF5DB02000-memory.dmp
      Filesize

      8KB

    • memory/1176-181-0x00007FFCFF380000-0x00007FFCFFE41000-memory.dmp
      Filesize

      10.8MB

    • memory/1392-139-0x0000000000610000-0x0000000000617000-memory.dmp
      Filesize

      28KB

    • memory/1392-132-0x0000000000000000-mapping.dmp
    • memory/1468-186-0x00000000055F0000-0x0000000005656000-memory.dmp
      Filesize

      408KB

    • memory/1468-185-0x0000000004E90000-0x0000000004EF6000-memory.dmp
      Filesize

      408KB

    • memory/1468-177-0x0000000000000000-mapping.dmp
    • memory/1468-178-0x00000000025E0000-0x0000000002616000-memory.dmp
      Filesize

      216KB

    • memory/1468-191-0x00000000060C0000-0x00000000060DA000-memory.dmp
      Filesize

      104KB

    • memory/1468-180-0x0000000004F50000-0x0000000005578000-memory.dmp
      Filesize

      6.2MB

    • memory/1468-190-0x00000000071F0000-0x000000000786A000-memory.dmp
      Filesize

      6.5MB

    • memory/1468-189-0x0000000002685000-0x0000000002687000-memory.dmp
      Filesize

      8KB

    • memory/1468-188-0x0000000005BB0000-0x0000000005BCE000-memory.dmp
      Filesize

      120KB

    • memory/1468-184-0x0000000004CF0000-0x0000000004D12000-memory.dmp
      Filesize

      136KB

    • memory/1776-198-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1776-195-0x0000000000000000-mapping.dmp
    • memory/1776-196-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/3028-142-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3028-137-0x0000000000000000-mapping.dmp
    • memory/3028-143-0x0000000060900000-0x0000000060992000-memory.dmp
      Filesize

      584KB

    • memory/3276-140-0x0000000000000000-mapping.dmp
    • memory/3276-141-0x0000000000400000-0x0000000000493000-memory.dmp
      Filesize

      588KB

    • memory/3408-171-0x0000000000000000-mapping.dmp
    • memory/3564-173-0x0000000000000000-mapping.dmp
    • memory/4044-164-0x0000000000000000-mapping.dmp
    • memory/4044-170-0x0000000000090000-0x000000000009A000-memory.dmp
      Filesize

      40KB

    • memory/4348-193-0x0000000001253000-0x0000000001255000-memory.dmp
      Filesize

      8KB

    • memory/4348-167-0x0000000000000000-mapping.dmp
    • memory/4348-192-0x000000001DE50000-0x000000001DEDC000-memory.dmp
      Filesize

      560KB

    • memory/4348-175-0x0000000001250000-0x0000000001252000-memory.dmp
      Filesize

      8KB

    • memory/4348-172-0x0000000000CC0000-0x0000000000CCA000-memory.dmp
      Filesize

      40KB

    • memory/4348-174-0x00007FFCFF380000-0x00007FFCFFE41000-memory.dmp
      Filesize

      10.8MB

    • memory/4348-204-0x0000000001258000-0x000000000125A000-memory.dmp
      Filesize

      8KB

    • memory/4348-205-0x000000000125A000-0x000000000125F000-memory.dmp
      Filesize

      20KB