Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27-06-2022 15:25

General

  • Target

    88992f8dbb079ae5f9754ed265c02f55.exe

  • Size

    1.4MB

  • MD5

    88992f8dbb079ae5f9754ed265c02f55

  • SHA1

    c05d4025024da67569c53afabbdda51dabae6521

  • SHA256

    9288f5f8898d70977cd45f6527ada3a36bdb76ae7accb3401b9c84189f18cc2c

  • SHA512

    83e02f354a883fa35431b86e41c875e4b3ba4664ab60eb677273bda514b079a9d075a51c1c933106a2c3da330ac22599a4a4ecfaac4dc62a8f41806d698ed911

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

wer89.duckdns.org:2222

Attributes
  • communication_password

    653d716345d8915046b904b90f41f271

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • XenArmor Suite

    XenArmor is as suite of password recovery tools for various application.

  • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • UPX packed file 7 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

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

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

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88992f8dbb079ae5f9754ed265c02f55.exe
    "C:\Users\Admin\AppData\Local\Temp\88992f8dbb079ae5f9754ed265c02f55.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Users\Admin\AppData\Local\Temp\88992f8dbb079ae5f9754ed265c02f55.exe
      -a "C:\Users\Admin\AppData\Local\16172dee\plg\ChOWe9CE.json"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4152
      • C:\Users\Admin\AppData\Local\Temp\88992f8dbb079ae5f9754ed265c02f55.exe
        -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook accounts
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4960

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

4
T1081

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\16172dee\plg\ChOWe9CE.json
    Filesize

    1KB

    MD5

    ce3e2f5f04eff81b3b7130a90a8e3a6e

    SHA1

    fe9ac39d1db0a28aeef54741003d3f639125dc1c

    SHA256

    b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

    SHA512

    8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor
    Filesize

    104B

    MD5

    4f3bde9212e17ef18226866d6ac739b6

    SHA1

    732733bec8314beb81437e60876ffa75e72ae6cd

    SHA256

    212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174

    SHA512

    10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

  • C:\Users\Admin\AppData\Local\Temp\License.XenArmor
    Filesize

    104B

    MD5

    bf5da170f7c9a8eae88d1cb1a191ff80

    SHA1

    dd1b991a1b03587a5d1edc94e919a2070e325610

    SHA256

    e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd

    SHA512

    9e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e

  • C:\Users\Admin\AppData\Local\Temp\Unknown.dll
    Filesize

    793KB

    MD5

    86114faba7e1ec4a667d2bcb2e23f024

    SHA1

    670df6e1ba1dc6bece046e8b2e573dd36748245e

    SHA256

    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

    SHA512

    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

  • C:\Users\Admin\AppData\Local\Temp\Unknown.dll
    Filesize

    793KB

    MD5

    86114faba7e1ec4a667d2bcb2e23f024

    SHA1

    670df6e1ba1dc6bece046e8b2e573dd36748245e

    SHA256

    568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

    SHA512

    d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

  • C:\Users\Admin\AppData\Local\Temp\unk.xml
    Filesize

    1KB

    MD5

    ce3e2f5f04eff81b3b7130a90a8e3a6e

    SHA1

    fe9ac39d1db0a28aeef54741003d3f639125dc1c

    SHA256

    b45d1dda071c8ee6b1078e8f71661ee1511887daf491a9f81415232a3c3bd631

    SHA512

    8cd831f9231cc30eeed546b47401459a2737d160faf0eacc823d286de22f79d68a95b994dce1f1eb6e7fa96e24aadeac50659115afe74148a33e6d31012ed357

  • memory/2960-130-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/2960-157-0x00000000750C0000-0x00000000750F9000-memory.dmp
    Filesize

    228KB

  • memory/2960-156-0x0000000074D20000-0x0000000074D59000-memory.dmp
    Filesize

    228KB

  • memory/2960-133-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/2960-132-0x00000000750C0000-0x00000000750F9000-memory.dmp
    Filesize

    228KB

  • memory/2960-131-0x0000000074D20000-0x0000000074D59000-memory.dmp
    Filesize

    228KB

  • memory/4152-138-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/4152-141-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/4152-137-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/4152-135-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/4152-134-0x0000000000000000-mapping.dmp
  • memory/4152-154-0x0000000000400000-0x00000000008DC000-memory.dmp
    Filesize

    4.9MB

  • memory/4960-143-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4960-150-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4960-151-0x0000000010000000-0x0000000010227000-memory.dmp
    Filesize

    2.2MB

  • memory/4960-149-0x0000000010000000-0x0000000010227000-memory.dmp
    Filesize

    2.2MB

  • memory/4960-148-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4960-144-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4960-142-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4960-140-0x0000000000400000-0x00000000006FE000-memory.dmp
    Filesize

    3.0MB

  • memory/4960-139-0x0000000000000000-mapping.dmp