Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 20:44

General

  • Target

    FedEx00B1915_parsed.exe

  • Size

    1.7MB

  • MD5

    e6641a7a0c61243081e9342c2e5076c6

  • SHA1

    035914a1d0244039d43c48cadcab0439ed6855d0

  • SHA256

    07a3e0b0b46beba9fcf603b62237748395cb801229e19500ff0e5cb38c12c067

  • SHA512

    fe6049ed585272f8dac944bfdb402241c0f0e844c2e210c2f61a1d96fbeb451e5bddc3e69b22febd2c1dffc5357b951d28710fcde61bab31e11b6f5ff8b0ceda

  • SSDEEP

    49152:rl3Nx5txMWMlY23V6MKAL1BVHiBIHKG5HqMG:xH50WOY2lxKALpHhKo3G

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

akatabit1915.duckdns.org:1915

Attributes
  • communication_password

    e10adc3949ba59abbe56e057f20f883e

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Drops file in Windows directory 25 IoCs
  • Program crash 3 IoCs
  • Creates scheduled task(s) 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FedEx00B1915_parsed.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx00B1915_parsed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:5060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 540
          3⤵
          • Program crash
          PID:2208
      • C:\Windows\SysWOW64\cmd.exe
        "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
        2⤵
          PID:1424
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4968
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
            3⤵
            • Creates scheduled task(s)
            PID:3644
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\FedEx00B1915_parsed.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
          2⤵
            PID:4020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5060 -ip 5060
          1⤵
            PID:4820
          • C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
            C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2180
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              2⤵
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:5008
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                -a "C:\Users\Admin\AppData\Local\56110c9a\plg\CtZBaqlY.json"
                3⤵
                • Drops file in Windows directory
                PID:4924
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
                  4⤵
                    PID:5036
              • C:\Windows\SysWOW64\cmd.exe
                "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
                2⤵
                  PID:4168
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1748
                  • C:\Windows\SysWOW64\schtasks.exe
                    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
                    3⤵
                    • Creates scheduled task(s)
                    PID:3664
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
                  2⤵
                    PID:4904
                • C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
                  C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
                  1⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious use of WriteProcessMemory
                  PID:1644
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    2⤵
                      PID:5048
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 540
                        3⤵
                        • Program crash
                        PID:1648
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
                      2⤵
                        PID:4912
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1420
                        • C:\Windows\SysWOW64\schtasks.exe
                          schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
                          3⤵
                          • Creates scheduled task(s)
                          PID:2552
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd" /c copy "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
                        2⤵
                          PID:3516
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5048 -ip 5048
                        1⤵
                          PID:1412
                        • C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
                          C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe
                          1⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:4492
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                            2⤵
                              PID:2196
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 540
                                3⤵
                                • Program crash
                                PID:260
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
                              2⤵
                                PID:2020
                              • C:\Windows\SysWOW64\cmd.exe
                                "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
                                2⤵
                                  PID:4808
                                  • C:\Windows\SysWOW64\schtasks.exe
                                    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
                                    3⤵
                                    • Creates scheduled task(s)
                                    PID:1552
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
                                  2⤵
                                    PID:4328
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2196 -ip 2196
                                  1⤵
                                    PID:1492

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\56110c9a\plg\CtZBaqlY.json

                                    Filesize

                                    1B

                                    MD5

                                    cfcd208495d565ef66e7dff9f98764da

                                    SHA1

                                    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                                    SHA256

                                    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                                    SHA512

                                    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\msdtc.exe.log

                                    Filesize

                                    517B

                                    MD5

                                    3334ecde6536c93e216decce323cbe3e

                                    SHA1

                                    277f9a4e3a14c5dbe6b92fabac8b2050cab3629b

                                    SHA256

                                    494fcff7f11e2d7ea9abfbf91d6dea2595388ab4c45269e5fd74c82796d0a76a

                                    SHA512

                                    2830773d60aa9fe73c7e0a28502e198d931422b4a1df9a0b844d3952bb0aed7aa2b5da39e1adf145c9e6c2f75a33560da23c9b2b774fb38718bde066eafcad9d

                                  • C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe

                                    Filesize

                                    1.7MB

                                    MD5

                                    e6641a7a0c61243081e9342c2e5076c6

                                    SHA1

                                    035914a1d0244039d43c48cadcab0439ed6855d0

                                    SHA256

                                    07a3e0b0b46beba9fcf603b62237748395cb801229e19500ff0e5cb38c12c067

                                    SHA512

                                    fe6049ed585272f8dac944bfdb402241c0f0e844c2e210c2f61a1d96fbeb451e5bddc3e69b22febd2c1dffc5357b951d28710fcde61bab31e11b6f5ff8b0ceda

                                  • C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe

                                    Filesize

                                    1.7MB

                                    MD5

                                    e6641a7a0c61243081e9342c2e5076c6

                                    SHA1

                                    035914a1d0244039d43c48cadcab0439ed6855d0

                                    SHA256

                                    07a3e0b0b46beba9fcf603b62237748395cb801229e19500ff0e5cb38c12c067

                                    SHA512

                                    fe6049ed585272f8dac944bfdb402241c0f0e844c2e210c2f61a1d96fbeb451e5bddc3e69b22febd2c1dffc5357b951d28710fcde61bab31e11b6f5ff8b0ceda

                                  • C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe

                                    Filesize

                                    1.7MB

                                    MD5

                                    e6641a7a0c61243081e9342c2e5076c6

                                    SHA1

                                    035914a1d0244039d43c48cadcab0439ed6855d0

                                    SHA256

                                    07a3e0b0b46beba9fcf603b62237748395cb801229e19500ff0e5cb38c12c067

                                    SHA512

                                    fe6049ed585272f8dac944bfdb402241c0f0e844c2e210c2f61a1d96fbeb451e5bddc3e69b22febd2c1dffc5357b951d28710fcde61bab31e11b6f5ff8b0ceda

                                  • C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe

                                    Filesize

                                    1.7MB

                                    MD5

                                    e6641a7a0c61243081e9342c2e5076c6

                                    SHA1

                                    035914a1d0244039d43c48cadcab0439ed6855d0

                                    SHA256

                                    07a3e0b0b46beba9fcf603b62237748395cb801229e19500ff0e5cb38c12c067

                                    SHA512

                                    fe6049ed585272f8dac944bfdb402241c0f0e844c2e210c2f61a1d96fbeb451e5bddc3e69b22febd2c1dffc5357b951d28710fcde61bab31e11b6f5ff8b0ceda

                                  • memory/1420-164-0x0000000000000000-mapping.dmp

                                  • memory/1424-136-0x0000000000000000-mapping.dmp

                                  • memory/1472-132-0x0000000000A10000-0x0000000000BC0000-memory.dmp

                                    Filesize

                                    1.7MB

                                  • memory/1472-133-0x00000000054E0000-0x0000000005546000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/1552-186-0x0000000000000000-mapping.dmp

                                  • memory/1748-150-0x0000000000000000-mapping.dmp

                                  • memory/2020-183-0x0000000000000000-mapping.dmp

                                  • memory/2196-181-0x0000000000900000-0x0000000000CE4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/2196-179-0x0000000000000000-mapping.dmp

                                  • memory/2196-182-0x0000000000900000-0x0000000000CE4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/2552-166-0x0000000000000000-mapping.dmp

                                  • memory/3516-165-0x0000000000000000-mapping.dmp

                                  • memory/3644-141-0x0000000000000000-mapping.dmp

                                  • memory/3664-152-0x0000000000000000-mapping.dmp

                                  • memory/4020-138-0x0000000000000000-mapping.dmp

                                  • memory/4168-149-0x0000000000000000-mapping.dmp

                                  • memory/4328-185-0x0000000000000000-mapping.dmp

                                  • memory/4808-184-0x0000000000000000-mapping.dmp

                                  • memory/4904-151-0x0000000000000000-mapping.dmp

                                  • memory/4912-161-0x0000000000000000-mapping.dmp

                                  • memory/4924-171-0x0000000000400000-0x00000000008DC000-memory.dmp

                                    Filesize

                                    4.9MB

                                  • memory/4924-174-0x0000000000400000-0x00000000008DC000-memory.dmp

                                    Filesize

                                    4.9MB

                                  • memory/4924-172-0x0000000000400000-0x00000000008DC000-memory.dmp

                                    Filesize

                                    4.9MB

                                  • memory/4924-170-0x0000000000400000-0x00000000008DC000-memory.dmp

                                    Filesize

                                    4.9MB

                                  • memory/4924-168-0x0000000000400000-0x00000000008DC000-memory.dmp

                                    Filesize

                                    4.9MB

                                  • memory/4924-167-0x0000000000000000-mapping.dmp

                                  • memory/4968-137-0x0000000000000000-mapping.dmp

                                  • memory/5008-148-0x0000000000400000-0x00000000007E4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5008-146-0x0000000000400000-0x00000000007E4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5008-177-0x0000000074940000-0x0000000074979000-memory.dmp

                                    Filesize

                                    228KB

                                  • memory/5008-147-0x0000000000400000-0x00000000007E4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5008-176-0x00000000745C0000-0x00000000745F9000-memory.dmp

                                    Filesize

                                    228KB

                                  • memory/5008-156-0x0000000000400000-0x00000000007E4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5008-155-0x0000000074940000-0x0000000074979000-memory.dmp

                                    Filesize

                                    228KB

                                  • memory/5008-154-0x00000000745C0000-0x00000000745F9000-memory.dmp

                                    Filesize

                                    228KB

                                  • memory/5008-144-0x0000000000000000-mapping.dmp

                                  • memory/5008-145-0x0000000000400000-0x00000000007E4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5008-153-0x0000000000400000-0x00000000007E4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5036-173-0x0000000000000000-mapping.dmp

                                  • memory/5048-163-0x0000000000A00000-0x0000000000DE4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5048-159-0x0000000000000000-mapping.dmp

                                  • memory/5048-162-0x0000000000A00000-0x0000000000DE4000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5060-134-0x0000000000000000-mapping.dmp

                                  • memory/5060-140-0x0000000000B60000-0x0000000000F44000-memory.dmp

                                    Filesize

                                    3.9MB

                                  • memory/5060-139-0x0000000000B60000-0x0000000000F44000-memory.dmp

                                    Filesize

                                    3.9MB