Analysis

  • max time kernel
    153s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2023 01:59

General

  • Target

    afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe

  • Size

    20.0MB

  • MD5

    aad928ec7a88f5570de0bfaa270d0548

  • SHA1

    084453356043aac2acf583ee9a543275ecb3654a

  • SHA256

    afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc

  • SHA512

    85ce4046d9ac49b2ce38c035276b3597b157d1e0b59153d65a29c8671a1197ec3f32d13c466c725e1cd97a97a2697ebf8d12663486d87db086363237cbbc6f6a

  • SSDEEP

    98304:3Vde8FivCeGDRsiSc/XBgZrzyWGgRSL6O2jSk6adBNWuz+VRD0MbQY:HZFwAur6XBazEgRSSjS5aT1z+/D0yQY

Malware Config

Extracted

Family

raccoon

Botnet

540b1db0b12b23e63e6942952aa03e47

C2

http://45.9.74.36/

http://45.9.74.34/

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 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.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 11 IoCs

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

  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 2 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.

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe
    "C:\Users\Admin\AppData\Local\Temp\afac9fa41b9b5790863b0674e7315bd82bc890c647ac635c4435c4798e65a3dc.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Roaming\mt5Bn91Y.exe
      "C:\Users\Admin\AppData\Roaming\mt5Bn91Y.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4616
        • C:\Windows\SysWOW64\icacls.exe
          "C:\Windows\System32\icacls.exe" "C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
          4⤵
          • Modifies file permissions
          PID:1668
        • C:\Windows\SysWOW64\icacls.exe
          "C:\Windows\System32\icacls.exe" "C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
          4⤵
          • Modifies file permissions
          PID:2636
        • C:\Windows\SysWOW64\icacls.exe
          "C:\Windows\System32\icacls.exe" "C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9" /inheritance:e /deny "admin:(R,REA,RA,RD)"
          4⤵
          • Modifies file permissions
          PID:732
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /CREATE /TN "USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9" /TR "C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe" /SC MINUTE
          4⤵
          • Creates scheduled task(s)
          PID:4016
        • C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe
          "C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe" "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Checks whether UAC is enabled
          PID:3324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 136
        3⤵
        • Program crash
        PID:4168
    • C:\Users\Admin\AppData\Roaming\ARv8Le65.exe
      "C:\Users\Admin\AppData\Roaming\ARv8Le65.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4164
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Roaming\ARv8Le65.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4672
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 0
          4⤵
            PID:2588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3560 -ip 3560
      1⤵
        PID:1892
      • C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe
        C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe
        1⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        PID:3920

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Virtualization/Sandbox Evasion

      1
      T1497

      File Permissions Modification

      1
      T1222

      Credential Access

      Credentials in Files

      2
      T1081

      Discovery

      Query Registry

      4
      T1012

      Virtualization/Sandbox Evasion

      1
      T1497

      System Information Discovery

      4
      T1082

      Collection

      Data from Local System

      2
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe
        Filesize

        279.0MB

        MD5

        5dd7f971d6ada9bbbcbb064a9b332b7b

        SHA1

        f971ef341e9f935049c1b3a7ac949860c12763aa

        SHA256

        9c501c287324a7447ffb0859a503d47560f5b5944a385d952938cb12f040c559

        SHA512

        8a66f154658676a3c7af47b01986afb939e3dbbbc45fc51becbcd95b59715c1180720616eed4d2341e4051bdae1f5c18c9b16c514c3b587e98b6473f30c175a4

      • C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe
        Filesize

        305.9MB

        MD5

        7847dac641b8d711fc63df0678b67dc9

        SHA1

        2dc6be8d9298dee6c78e53ed484d76b51b5b3ffb

        SHA256

        eb3da1e6d07f68e2fcf72dfc14b894d7d54bf2325fe3c40e9020344acb60364d

        SHA512

        2b338f44824a02e59dbc5106add178ef51f0367884545904409081c2b6d12ad0a61fc8c049efc3dbc8060672210b94bae8cb5cd207b42dfa00d06e731722a1fe

      • C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe
        Filesize

        302.1MB

        MD5

        de20ff60948a14ec41359a3ca1062f6f

        SHA1

        eff11d99dd3a52d3da5b9d6ecd217486c2ae35b7

        SHA256

        bf4532d4dfd08bc5b36f265dd4efb91cfa58aed137e4f34a85f845c14712a6a1

        SHA512

        b005ecd01fff301448f36bed1d58eecaeda6cb985afc233f9c66efcadc470b88e424ee340e6d2c105bfdb00c03f8900c4d9c4e3aef51a1c2ff15a696290c173c

      • C:\ProgramData\USOPrivateMicrosoft-type3.0.3.9\USOPrivateMicrosoft-type3.0.3.9.exe
        Filesize

        1.8MB

        MD5

        4ae136c6654a672b481062bd28610ddf

        SHA1

        5044f53579bf0394bb5af879fcecba7d002a7497

        SHA256

        dc90b7eca20f7898514fca67580c62e8bdc91fee2c9fa8e807494b7c99f549cf

        SHA512

        c00668082c07e33f2f9b2bb09ad7ba888948c15b58296d80fbdbfa512b7c2af4305a28dfa93f9afdde7fde3f605bde8024d4b83287919645c0f82e5bc45f1177

      • C:\Users\Admin\AppData\LocalLow\mozglue.dll
        Filesize

        612KB

        MD5

        f07d9977430e762b563eaadc2b94bbfa

        SHA1

        da0a05b2b8d269fb73558dfcf0ed5c167f6d3877

        SHA256

        4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862

        SHA512

        6afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf

      • C:\Users\Admin\AppData\LocalLow\nss3.dll
        Filesize

        1.9MB

        MD5

        f67d08e8c02574cbc2f1122c53bfb976

        SHA1

        6522992957e7e4d074947cad63189f308a80fcf2

        SHA256

        c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

        SHA512

        2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

      • C:\Users\Admin\AppData\LocalLow\sqlite3.dll
        Filesize

        1.0MB

        MD5

        dbf4f8dcefb8056dc6bae4b67ff810ce

        SHA1

        bbac1dd8a07c6069415c04b62747d794736d0689

        SHA256

        47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

        SHA512

        b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

      • C:\Users\Admin\AppData\Roaming\ARv8Le65.exe
        Filesize

        13.9MB

        MD5

        809fd08e5f79d466a9246b7a793f691d

        SHA1

        3256eca2d1638d421bc53cbfcca50effc18b5cec

        SHA256

        b532572f5b6417a242309c4a1bf5eef3eac6070626df9dd5b23c89d81592e2d8

        SHA512

        93192b344bc02daa6b81e0ea8b009ffe8e193ec2561678620e0efde39b4a0b43b00db4c1bea5a1859318bb91d3d66fc806130cee139b7b2d6a7951401d329c53

      • C:\Users\Admin\AppData\Roaming\ARv8Le65.exe
        Filesize

        13.9MB

        MD5

        809fd08e5f79d466a9246b7a793f691d

        SHA1

        3256eca2d1638d421bc53cbfcca50effc18b5cec

        SHA256

        b532572f5b6417a242309c4a1bf5eef3eac6070626df9dd5b23c89d81592e2d8

        SHA512

        93192b344bc02daa6b81e0ea8b009ffe8e193ec2561678620e0efde39b4a0b43b00db4c1bea5a1859318bb91d3d66fc806130cee139b7b2d6a7951401d329c53

      • C:\Users\Admin\AppData\Roaming\ARv8Le65.exe
        Filesize

        13.9MB

        MD5

        809fd08e5f79d466a9246b7a793f691d

        SHA1

        3256eca2d1638d421bc53cbfcca50effc18b5cec

        SHA256

        b532572f5b6417a242309c4a1bf5eef3eac6070626df9dd5b23c89d81592e2d8

        SHA512

        93192b344bc02daa6b81e0ea8b009ffe8e193ec2561678620e0efde39b4a0b43b00db4c1bea5a1859318bb91d3d66fc806130cee139b7b2d6a7951401d329c53

      • C:\Users\Admin\AppData\Roaming\mt5Bn91Y.exe
        Filesize

        3.4MB

        MD5

        1659a8e2ebffb55e73d70ea3b07aea05

        SHA1

        bbe1b6086b77120b0c0afba05ee571fe0e045c3c

        SHA256

        200feeb6b29e9d647f6de16483e9f323c2751e529ab1dbe9962add9c0a39cdd3

        SHA512

        b291baac4cd23ae8c9509ff06d7ee314e916c7d1f8f2289017acb9b46e270d3d581c95564fd4b4924e3bf1f881cd2f8e566442e13c8b2dac73515d3904e4540b

      • C:\Users\Admin\AppData\Roaming\mt5Bn91Y.exe
        Filesize

        3.4MB

        MD5

        1659a8e2ebffb55e73d70ea3b07aea05

        SHA1

        bbe1b6086b77120b0c0afba05ee571fe0e045c3c

        SHA256

        200feeb6b29e9d647f6de16483e9f323c2751e529ab1dbe9962add9c0a39cdd3

        SHA512

        b291baac4cd23ae8c9509ff06d7ee314e916c7d1f8f2289017acb9b46e270d3d581c95564fd4b4924e3bf1f881cd2f8e566442e13c8b2dac73515d3904e4540b

      • C:\Users\Admin\AppData\Roaming\mt5Bn91Y.exe
        Filesize

        3.4MB

        MD5

        1659a8e2ebffb55e73d70ea3b07aea05

        SHA1

        bbe1b6086b77120b0c0afba05ee571fe0e045c3c

        SHA256

        200feeb6b29e9d647f6de16483e9f323c2751e529ab1dbe9962add9c0a39cdd3

        SHA512

        b291baac4cd23ae8c9509ff06d7ee314e916c7d1f8f2289017acb9b46e270d3d581c95564fd4b4924e3bf1f881cd2f8e566442e13c8b2dac73515d3904e4540b

      • memory/2368-179-0x0000000061E00000-0x0000000061EF1000-memory.dmp
        Filesize

        964KB

      • memory/2368-133-0x0000000000400000-0x000000000091F000-memory.dmp
        Filesize

        5.1MB

      • memory/3324-223-0x00007FF7863C0000-0x00007FF7868DF000-memory.dmp
        Filesize

        5.1MB

      • memory/3324-228-0x00007FF7863C0000-0x00007FF7868DF000-memory.dmp
        Filesize

        5.1MB

      • memory/3324-227-0x00007FF7863C0000-0x00007FF7868DF000-memory.dmp
        Filesize

        5.1MB

      • memory/3324-226-0x00007FF7863C0000-0x00007FF7868DF000-memory.dmp
        Filesize

        5.1MB

      • memory/3324-225-0x00007FF7863C0000-0x00007FF7868DF000-memory.dmp
        Filesize

        5.1MB

      • memory/3920-231-0x00007FF7863C0000-0x00007FF7868DF000-memory.dmp
        Filesize

        5.1MB

      • memory/3920-230-0x00007FF7863C0000-0x00007FF7868DF000-memory.dmp
        Filesize

        5.1MB

      • memory/4164-207-0x0000000000750000-0x00000000015A0000-memory.dmp
        Filesize

        14.3MB

      • memory/4616-212-0x00000000057C0000-0x00000000057D0000-memory.dmp
        Filesize

        64KB

      • memory/4616-192-0x0000000000400000-0x000000000075C000-memory.dmp
        Filesize

        3.4MB

      • memory/4616-214-0x00000000057C0000-0x00000000057D0000-memory.dmp
        Filesize

        64KB

      • memory/4616-213-0x00000000057C0000-0x00000000057D0000-memory.dmp
        Filesize

        64KB

      • memory/4616-208-0x0000000005CE0000-0x0000000006284000-memory.dmp
        Filesize

        5.6MB

      • memory/4616-211-0x00000000057C0000-0x00000000057D0000-memory.dmp
        Filesize

        64KB

      • memory/4616-210-0x0000000005730000-0x000000000573A000-memory.dmp
        Filesize

        40KB

      • memory/4616-209-0x0000000005650000-0x00000000056E2000-memory.dmp
        Filesize

        584KB