Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2022 04:25

General

  • Target

    27af32a0fb394c5def392f654d808fd6d70965f69f8d7864b47d86f09323e9e5.exe

  • Size

    316KB

  • MD5

    2d952fb59d12b8bcf675b46548cd6fa8

  • SHA1

    74840f8ab98b2fc30d500fd2eece349e04d3f868

  • SHA256

    27af32a0fb394c5def392f654d808fd6d70965f69f8d7864b47d86f09323e9e5

  • SHA512

    7d48f17663a6c837b78e487c2b66c868a9631a07710ca15cf4caddf5047a8031f44ad327dceefe5a816a7e13056ccba0b32597565b7f116705ff18d627386010

  • SSDEEP

    6144:KJLSf36ozpIbpwWC0GAKvi+xRR0cSpQTtyzsduHNIv:KJmf3rzpItw4RKv5RR0TCtyYduHNI

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27af32a0fb394c5def392f654d808fd6d70965f69f8d7864b47d86f09323e9e5.exe
    "C:\Users\Admin\AppData\Local\Temp\27af32a0fb394c5def392f654d808fd6d70965f69f8d7864b47d86f09323e9e5.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2176
  • C:\Users\Admin\AppData\Local\Temp\3B73.exe
    C:\Users\Admin\AppData\Local\Temp\3B73.exe
    1⤵
    • Executes dropped EXE
    PID:2696
  • C:\Users\Admin\AppData\Local\Temp\3E33.exe
    C:\Users\Admin\AppData\Local\Temp\3E33.exe
    1⤵
    • Executes dropped EXE
    PID:4228
  • C:\Users\Admin\AppData\Local\Temp\421C.exe
    C:\Users\Admin\AppData\Local\Temp\421C.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:4396
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:1808
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          2⤵
            PID:4864
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            2⤵
              PID:2564
          • C:\Users\Admin\AppData\Local\Temp\4B44.exe
            C:\Users\Admin\AppData\Local\Temp\4B44.exe
            1⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            PID:4408
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:4196
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2184
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1948
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:64
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:860
                    • C:\Windows\SysWOW64\explorer.exe
                      C:\Windows\SysWOW64\explorer.exe
                      1⤵
                        PID:1016
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:2380
                        • C:\Windows\explorer.exe
                          C:\Windows\explorer.exe
                          1⤵
                            PID:2132
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\SysWOW64\explorer.exe
                            1⤵
                              PID:2208

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Temp\3B73.exe

                              Filesize

                              4KB

                              MD5

                              9748489855d9dd82ab09da5e3e55b19e

                              SHA1

                              6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                              SHA256

                              05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                              SHA512

                              7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                            • C:\Users\Admin\AppData\Local\Temp\3B73.exe

                              Filesize

                              4KB

                              MD5

                              9748489855d9dd82ab09da5e3e55b19e

                              SHA1

                              6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                              SHA256

                              05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                              SHA512

                              7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                            • C:\Users\Admin\AppData\Local\Temp\3E33.exe

                              Filesize

                              4KB

                              MD5

                              9748489855d9dd82ab09da5e3e55b19e

                              SHA1

                              6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                              SHA256

                              05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                              SHA512

                              7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                            • C:\Users\Admin\AppData\Local\Temp\3E33.exe

                              Filesize

                              4KB

                              MD5

                              9748489855d9dd82ab09da5e3e55b19e

                              SHA1

                              6ed2bf6a1a53a59cd2137812cb43b5032817f6a1

                              SHA256

                              05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b

                              SHA512

                              7eebbc3e42aad1af304ba38ca0c74e5f2293a630d98d4cfd48957f5f288bcb52cf323421c2b166e3b459450d5ef024167f8729b7b4b66651a34c3c3d4581a2be

                            • C:\Users\Admin\AppData\Local\Temp\421C.exe

                              Filesize

                              67KB

                              MD5

                              666d8f33d37064fd5d14e2166c9bfa69

                              SHA1

                              3b27df9335a9b2efe9da1057e9f8312a72d1ca9d

                              SHA256

                              7fddf1b75f50d43214867f367223f2d241d62ae63deea334d051c0ee19d18157

                              SHA512

                              ac3c993f019bb402db474fda65d587ae7717725eea9b3a869acd3530543b7b94d354f19474f6b1c7fc760b5b22622328def2bef26e3900c186b16e8a3d3b90df

                            • C:\Users\Admin\AppData\Local\Temp\421C.exe

                              Filesize

                              67KB

                              MD5

                              666d8f33d37064fd5d14e2166c9bfa69

                              SHA1

                              3b27df9335a9b2efe9da1057e9f8312a72d1ca9d

                              SHA256

                              7fddf1b75f50d43214867f367223f2d241d62ae63deea334d051c0ee19d18157

                              SHA512

                              ac3c993f019bb402db474fda65d587ae7717725eea9b3a869acd3530543b7b94d354f19474f6b1c7fc760b5b22622328def2bef26e3900c186b16e8a3d3b90df

                            • C:\Users\Admin\AppData\Local\Temp\4B44.exe

                              Filesize

                              7.1MB

                              MD5

                              966f073e12a35e753274f997470eaa4e

                              SHA1

                              e03ae059acac6f3ef90aee6f4d0bac01e5d0276b

                              SHA256

                              5590ca1e89f119cd5aee142c844cda83c53bc848616d04a4aa98fc3efbce4c31

                              SHA512

                              7fee4a970590a803df528a3ef12344d3127f3ce9f948656ad52fee6e60ef9e3cd7abb7b9005f64c016d826cc351896092930d6287f68168c67724537c2592ebd

                            • C:\Users\Admin\AppData\Local\Temp\4B44.exe

                              Filesize

                              7.1MB

                              MD5

                              966f073e12a35e753274f997470eaa4e

                              SHA1

                              e03ae059acac6f3ef90aee6f4d0bac01e5d0276b

                              SHA256

                              5590ca1e89f119cd5aee142c844cda83c53bc848616d04a4aa98fc3efbce4c31

                              SHA512

                              7fee4a970590a803df528a3ef12344d3127f3ce9f948656ad52fee6e60ef9e3cd7abb7b9005f64c016d826cc351896092930d6287f68168c67724537c2592ebd

                            • memory/64-195-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

                              Filesize

                              24KB

                            • memory/64-215-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

                              Filesize

                              24KB

                            • memory/64-196-0x0000000000BD0000-0x0000000000BDC000-memory.dmp

                              Filesize

                              48KB

                            • memory/860-199-0x0000000000CE0000-0x0000000000D07000-memory.dmp

                              Filesize

                              156KB

                            • memory/860-198-0x0000000000D10000-0x0000000000D32000-memory.dmp

                              Filesize

                              136KB

                            • memory/860-216-0x0000000000D10000-0x0000000000D32000-memory.dmp

                              Filesize

                              136KB

                            • memory/1016-217-0x0000000000A00000-0x0000000000A05000-memory.dmp

                              Filesize

                              20KB

                            • memory/1016-201-0x0000000000A00000-0x0000000000A05000-memory.dmp

                              Filesize

                              20KB

                            • memory/1016-202-0x00000000007F0000-0x00000000007F9000-memory.dmp

                              Filesize

                              36KB

                            • memory/1948-194-0x00000000008E0000-0x00000000008E5000-memory.dmp

                              Filesize

                              20KB

                            • memory/1948-214-0x00000000008E0000-0x00000000008E5000-memory.dmp

                              Filesize

                              20KB

                            • memory/1948-192-0x00000000008D0000-0x00000000008D9000-memory.dmp

                              Filesize

                              36KB

                            • memory/2096-232-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-142-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-159-0x0000000007E80000-0x0000000007E90000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-160-0x0000000007E80000-0x0000000007E90000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-267-0x0000000000A60000-0x0000000000A70000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-157-0x0000000007E80000-0x0000000007E90000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-156-0x0000000007E80000-0x0000000007E90000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-266-0x0000000000A60000-0x0000000000A70000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-265-0x0000000000A60000-0x0000000000A70000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-264-0x0000000000A50000-0x0000000000A60000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-155-0x0000000007E80000-0x0000000007E90000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-154-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-263-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-262-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-153-0x0000000002A50000-0x0000000002A60000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-152-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-261-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-260-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-259-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-150-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-258-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-257-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-256-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-151-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-149-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-255-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-254-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-253-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-252-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-251-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-250-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-249-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-248-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-148-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-147-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-146-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-145-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-144-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-143-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-237-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-141-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-140-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-139-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-138-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-137-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-247-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-246-0x0000000000A60000-0x0000000000A70000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-245-0x0000000000A60000-0x0000000000A70000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-236-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-235-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-234-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-244-0x0000000000A70000-0x0000000000A80000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-243-0x0000000000A50000-0x0000000000A60000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-242-0x0000000000A60000-0x0000000000A70000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-241-0x0000000000A60000-0x0000000000A70000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-158-0x0000000007E80000-0x0000000007E90000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-136-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-233-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-231-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-230-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-240-0x0000000000A70000-0x0000000000A80000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-229-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-239-0x0000000000A50000-0x0000000000A60000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-238-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-222-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-223-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-224-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-225-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-226-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-227-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2096-228-0x0000000002A40000-0x0000000002A50000-memory.dmp

                              Filesize

                              64KB

                            • memory/2132-219-0x0000000001090000-0x0000000001097000-memory.dmp

                              Filesize

                              28KB

                            • memory/2132-208-0x0000000001080000-0x000000000108D000-memory.dmp

                              Filesize

                              52KB

                            • memory/2132-207-0x0000000001090000-0x0000000001097000-memory.dmp

                              Filesize

                              28KB

                            • memory/2176-133-0x00000000005A0000-0x00000000005A9000-memory.dmp

                              Filesize

                              36KB

                            • memory/2176-134-0x0000000000400000-0x0000000000455000-memory.dmp

                              Filesize

                              340KB

                            • memory/2176-132-0x000000000075E000-0x0000000000774000-memory.dmp

                              Filesize

                              88KB

                            • memory/2176-135-0x0000000000400000-0x0000000000455000-memory.dmp

                              Filesize

                              340KB

                            • memory/2184-213-0x00000000005E0000-0x00000000005E9000-memory.dmp

                              Filesize

                              36KB

                            • memory/2184-189-0x00000000005D0000-0x00000000005DF000-memory.dmp

                              Filesize

                              60KB

                            • memory/2184-188-0x00000000005E0000-0x00000000005E9000-memory.dmp

                              Filesize

                              36KB

                            • memory/2208-220-0x0000000000A80000-0x0000000000A88000-memory.dmp

                              Filesize

                              32KB

                            • memory/2208-211-0x0000000000A70000-0x0000000000A7B000-memory.dmp

                              Filesize

                              44KB

                            • memory/2208-210-0x0000000000A80000-0x0000000000A88000-memory.dmp

                              Filesize

                              32KB

                            • memory/2380-205-0x0000000000800000-0x000000000080B000-memory.dmp

                              Filesize

                              44KB

                            • memory/2380-204-0x0000000000810000-0x0000000000816000-memory.dmp

                              Filesize

                              24KB

                            • memory/2380-218-0x0000000000810000-0x0000000000816000-memory.dmp

                              Filesize

                              24KB

                            • memory/2696-165-0x00007FFA48F70000-0x00007FFA49A31000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/2696-164-0x0000000000FF0000-0x0000000000FF8000-memory.dmp

                              Filesize

                              32KB

                            • memory/2784-173-0x0000000000610000-0x0000000000626000-memory.dmp

                              Filesize

                              88KB

                            • memory/2784-174-0x0000000004FD0000-0x0000000005036000-memory.dmp

                              Filesize

                              408KB

                            • memory/4196-183-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

                              Filesize

                              28KB

                            • memory/4196-184-0x0000000000CC0000-0x0000000000CCB000-memory.dmp

                              Filesize

                              44KB

                            • memory/4196-212-0x0000000000CD0000-0x0000000000CD7000-memory.dmp

                              Filesize

                              28KB

                            • memory/4228-169-0x00007FFA48F70000-0x00007FFA49A31000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/4408-186-0x0000000000400000-0x0000000000F48000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/4408-221-0x0000000000400000-0x0000000000F48000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/4408-190-0x0000000000400000-0x0000000000F48000-memory.dmp

                              Filesize

                              11.3MB