Analysis

  • max time kernel
    151s
  • max time network
    188s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-08-2021 17:16

General

  • Target

    c94018340455a7a77e490580f97b03aa.exe

  • Size

    181KB

  • MD5

    c94018340455a7a77e490580f97b03aa

  • SHA1

    80f4f7e514611024b75c6c5cce9b0c56f94e78d5

  • SHA256

    9bd82fd8e1933883024f5159f7b4d3c06609b98b7c4a07c1cb3fe76706cc2ce0

  • SHA512

    80f383c23ea62a5bd26dc4dcd29b3438ba4c02c0fbd33f08b40d4050fe706764e36d5f2bd1e5fa1437942de486ee6f49b15dc9fd74632c28684f0c2fcf876ae5

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
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

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

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c94018340455a7a77e490580f97b03aa.exe
    "C:\Users\Admin\AppData\Local\Temp\c94018340455a7a77e490580f97b03aa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\c94018340455a7a77e490580f97b03aa.exe
      "C:\Users\Admin\AppData\Local\Temp\c94018340455a7a77e490580f97b03aa.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:836
  • C:\Users\Admin\AppData\Local\Temp\13A0.exe
    C:\Users\Admin\AppData\Local\Temp\13A0.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:1508
  • C:\Users\Admin\AppData\Local\Temp\1BFA.exe
    C:\Users\Admin\AppData\Local\Temp\1BFA.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:824
  • C:\Users\Admin\AppData\Local\Temp\22A0.exe
    C:\Users\Admin\AppData\Local\Temp\22A0.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1844
  • C:\Users\Admin\AppData\Local\Temp\2C41.exe
    C:\Users\Admin\AppData\Local\Temp\2C41.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1588
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1352
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1084
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:908
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1784

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\13A0.exe

            MD5

            a69e12607d01237460808fa1709e5e86

            SHA1

            4a12f82aee1c90e70cdf6be863ce1a749c8ae411

            SHA256

            188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc

            SHA512

            7533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284

          • C:\Users\Admin\AppData\Local\Temp\1BFA.exe

            MD5

            1e0e17859c0a32b53ae0bafc4e55563b

            SHA1

            590ef228cac03f6da4bdbc1b7e40557d61a3a043

            SHA256

            76d03b8781c66aa25d74ec788dc9c1370ee01000926882c8be7f89f5dcb01d31

            SHA512

            4494ad485fb73538b3e6f5e8e94a073bdddaf6ac50877051078646828c80b71a1e50a09d0ce84f65b021cc1bb0b4d22f317c2eef0dc29513ee927a9c8e7cdf72

          • C:\Users\Admin\AppData\Local\Temp\22A0.exe

            MD5

            fa2170ab2dfa330d961cccf8e93c757b

            SHA1

            d3fd7ae0be7954a547169e29a44d467f14dfb340

            SHA256

            78f4272d2904fd5539aa41955c99968e0971e167a5d9b42389e9a51ab79cf1b0

            SHA512

            3880238681560639c153492eaf4a06fc738fed56e6cf3fb64ccd15f47046d04dccae17ff541a5eb32724b7af2a231169dc7c879eea54d2781fbc7429c1bedd4e

          • C:\Users\Admin\AppData\Local\Temp\2C41.exe

            MD5

            8ace639a700e832b06391b710764936a

            SHA1

            413a2ed4514e8fc0281d58465def52a50fb3d74c

            SHA256

            c179bdc5fd14874d23d26417539128d056a9a2d0cd5c0d8fd94a77bd557c579b

            SHA512

            2fdff7156aa8e8815a689db550141353014f5bf8120ecc6b7ab694d9a17ab1b4369ec9771e830ef5d0b4cb370b6a075fdb96b90db6fd98b9fd3a6d1f5e7e4f36

          • \Users\Admin\AppData\LocalLow\sqlite3.dll

            MD5

            f964811b68f9f1487c2b41e1aef576ce

            SHA1

            b423959793f14b1416bc3b7051bed58a1034025f

            SHA256

            83bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7

            SHA512

            565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4

          • memory/824-71-0x00000000013D0000-0x00000000013D1000-memory.dmp

            Filesize

            4KB

          • memory/824-68-0x0000000000000000-mapping.dmp

          • memory/824-76-0x0000000005350000-0x0000000005351000-memory.dmp

            Filesize

            4KB

          • memory/836-59-0x0000000000400000-0x0000000000409000-memory.dmp

            Filesize

            36KB

          • memory/836-61-0x0000000075201000-0x0000000075203000-memory.dmp

            Filesize

            8KB

          • memory/836-60-0x0000000000402E1A-mapping.dmp

          • memory/908-94-0x0000000000000000-mapping.dmp

          • memory/908-97-0x00000000000D0000-0x00000000000D7000-memory.dmp

            Filesize

            28KB

          • memory/908-96-0x000000006E601000-0x000000006E603000-memory.dmp

            Filesize

            8KB

          • memory/908-98-0x00000000000C0000-0x00000000000CB000-memory.dmp

            Filesize

            44KB

          • memory/1084-93-0x0000000000060000-0x000000000006C000-memory.dmp

            Filesize

            48KB

          • memory/1084-92-0x0000000000070000-0x0000000000077000-memory.dmp

            Filesize

            28KB

          • memory/1084-90-0x0000000000000000-mapping.dmp

          • memory/1256-63-0x0000000002A20000-0x0000000002A36000-memory.dmp

            Filesize

            88KB

          • memory/1352-85-0x000000006F691000-0x000000006F693000-memory.dmp

            Filesize

            8KB

          • memory/1352-83-0x0000000000000000-mapping.dmp

          • memory/1352-88-0x00000000001B0000-0x0000000000224000-memory.dmp

            Filesize

            464KB

          • memory/1352-89-0x0000000000100000-0x000000000016B000-memory.dmp

            Filesize

            428KB

          • memory/1508-64-0x0000000000000000-mapping.dmp

          • memory/1588-86-0x0000000000220000-0x00000000002B1000-memory.dmp

            Filesize

            580KB

          • memory/1588-87-0x0000000000400000-0x0000000002D05000-memory.dmp

            Filesize

            41.0MB

          • memory/1588-80-0x0000000000000000-mapping.dmp

          • memory/1784-99-0x0000000000000000-mapping.dmp

          • memory/1844-79-0x00000000052F0000-0x00000000052F1000-memory.dmp

            Filesize

            4KB

          • memory/1844-77-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

            Filesize

            4KB

          • memory/1844-73-0x0000000000000000-mapping.dmp

          • memory/1916-62-0x0000000000220000-0x000000000022A000-memory.dmp

            Filesize

            40KB