Analysis

  • max time kernel
    152s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13-08-2021 11:30

General

  • Target

    e092c290ecbe05b96a01a8557d202191.exe

  • Size

    180KB

  • MD5

    e092c290ecbe05b96a01a8557d202191

  • SHA1

    81ce24f7af893885025cb184de98da3bee563169

  • SHA256

    7984865f4df4f3569df5096b7a2b6bf03f070a9ef5fb6e46d3365e40e2f92a01

  • SHA512

    8dc9553013af612b8b5099bdeff2eaf021a2369298428460e4a349220c8db912e3a34f45eba9fbd89e9ea96f5d672d0eb9a9373b497130206bc5e3b4de963799

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon Stealer Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 5 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 17 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e092c290ecbe05b96a01a8557d202191.exe
    "C:\Users\Admin\AppData\Local\Temp\e092c290ecbe05b96a01a8557d202191.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\e092c290ecbe05b96a01a8557d202191.exe
      "C:\Users\Admin\AppData\Local\Temp\e092c290ecbe05b96a01a8557d202191.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2464
  • C:\Users\Admin\AppData\Local\Temp\C1DE.exe
    C:\Users\Admin\AppData\Local\Temp\C1DE.exe
    1⤵
    • Executes dropped EXE
    PID:2664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 736
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 748
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 752
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2328
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 884
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 872
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2016
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4092
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2160
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2132
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3932
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3180
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2980
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2188
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2748
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2096

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Temp\C1DE.exe
                      MD5

                      c25b6682d6bd2dd6086223d4f7c9a322

                      SHA1

                      0df9d75090cb72412c7b9116a2cdfe7786605b7a

                      SHA256

                      253da36045abbbf91fa0afb5c336cef0a15950052d73adffcc0d3a015eee9db3

                      SHA512

                      b38608be0d545fc9fb6917c7bbbe645c86e382ea04532a00cf492cf65f2fb0156791be88f1afdfb6b80bdad4d47c76e5ef2b2bcfcf66ddaaaf79d00bd577fcf6

                    • C:\Users\Admin\AppData\Local\Temp\C1DE.exe
                      MD5

                      c25b6682d6bd2dd6086223d4f7c9a322

                      SHA1

                      0df9d75090cb72412c7b9116a2cdfe7786605b7a

                      SHA256

                      253da36045abbbf91fa0afb5c336cef0a15950052d73adffcc0d3a015eee9db3

                      SHA512

                      b38608be0d545fc9fb6917c7bbbe645c86e382ea04532a00cf492cf65f2fb0156791be88f1afdfb6b80bdad4d47c76e5ef2b2bcfcf66ddaaaf79d00bd577fcf6

                    • memory/2016-116-0x0000000002D90000-0x0000000002D9A000-memory.dmp
                      Filesize

                      40KB

                    • memory/2096-148-0x00000000006C0000-0x00000000006C5000-memory.dmp
                      Filesize

                      20KB

                    • memory/2096-149-0x00000000006B0000-0x00000000006B9000-memory.dmp
                      Filesize

                      36KB

                    • memory/2096-147-0x0000000000000000-mapping.dmp
                    • memory/2132-131-0x0000000000580000-0x000000000058B000-memory.dmp
                      Filesize

                      44KB

                    • memory/2132-130-0x0000000000590000-0x0000000000597000-memory.dmp
                      Filesize

                      28KB

                    • memory/2132-129-0x0000000000000000-mapping.dmp
                    • memory/2160-128-0x00000000009F0000-0x00000000009FC000-memory.dmp
                      Filesize

                      48KB

                    • memory/2160-122-0x0000000000000000-mapping.dmp
                    • memory/2160-127-0x0000000000C80000-0x0000000000C87000-memory.dmp
                      Filesize

                      28KB

                    • memory/2188-142-0x00000000009A0000-0x00000000009A4000-memory.dmp
                      Filesize

                      16KB

                    • memory/2188-143-0x0000000000990000-0x0000000000999000-memory.dmp
                      Filesize

                      36KB

                    • memory/2188-141-0x0000000000000000-mapping.dmp
                    • memory/2464-115-0x0000000000402E1A-mapping.dmp
                    • memory/2464-114-0x0000000000400000-0x0000000000409000-memory.dmp
                      Filesize

                      36KB

                    • memory/2664-126-0x0000000000400000-0x0000000002CA9000-memory.dmp
                      Filesize

                      40.7MB

                    • memory/2664-125-0x00000000048B0000-0x0000000004941000-memory.dmp
                      Filesize

                      580KB

                    • memory/2664-118-0x0000000000000000-mapping.dmp
                    • memory/2748-145-0x0000000000E40000-0x0000000000E45000-memory.dmp
                      Filesize

                      20KB

                    • memory/2748-146-0x0000000000E30000-0x0000000000E39000-memory.dmp
                      Filesize

                      36KB

                    • memory/2748-144-0x0000000000000000-mapping.dmp
                    • memory/2980-138-0x0000000000000000-mapping.dmp
                    • memory/2980-139-0x0000000001100000-0x0000000001106000-memory.dmp
                      Filesize

                      24KB

                    • memory/2980-140-0x00000000010F0000-0x00000000010FC000-memory.dmp
                      Filesize

                      48KB

                    • memory/3036-117-0x0000000000690000-0x00000000006A6000-memory.dmp
                      Filesize

                      88KB

                    • memory/3180-135-0x0000000000000000-mapping.dmp
                    • memory/3180-136-0x0000000000CC0000-0x0000000000CC5000-memory.dmp
                      Filesize

                      20KB

                    • memory/3180-137-0x0000000000CB0000-0x0000000000CB9000-memory.dmp
                      Filesize

                      36KB

                    • memory/3932-132-0x0000000000000000-mapping.dmp
                    • memory/3932-134-0x0000000000EF0000-0x0000000000EFF000-memory.dmp
                      Filesize

                      60KB

                    • memory/3932-133-0x0000000000F00000-0x0000000000F09000-memory.dmp
                      Filesize

                      36KB

                    • memory/4092-124-0x00000000008B0000-0x000000000091B000-memory.dmp
                      Filesize

                      428KB

                    • memory/4092-123-0x0000000000920000-0x0000000000994000-memory.dmp
                      Filesize

                      464KB

                    • memory/4092-121-0x0000000000000000-mapping.dmp