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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 13:30

General

  • Target

    toolspab2 (19).exe

  • Size

    315KB

  • MD5

    1d20e1f65938e837ef1b88f10f1bd6c3

  • SHA1

    703d7098dbfc476d2181b7fc041cc23e49c368f1

  • SHA256

    05cd7440851f13dd8f489bb3c06eba385d85d7d9a77a612049c04c541a88593d

  • SHA512

    f9d333abe1f721b8d45d7bc6b5f286af09a8d233bd1d41f0ad891840cf742364aeca2cb6ccd6543f56a8eaf32804f82f72f961d16d5ba663ad706d164915a196

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

agressor

C2

65.21.122.45:8085

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • 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.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 6 IoCs
  • 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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (19).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:212
  • C:\Users\Admin\AppData\Local\Temp\91C6.exe
    C:\Users\Admin\AppData\Local\Temp\91C6.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2336
  • C:\Users\Admin\AppData\Local\Temp\9409.exe
    C:\Users\Admin\AppData\Local\Temp\9409.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1092
  • C:\Users\Admin\AppData\Local\Temp\98CD.exe
    C:\Users\Admin\AppData\Local\Temp\98CD.exe
    1⤵
    • Executes dropped EXE
    PID:4076
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2152
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3912
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:816
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1328
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2372
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:744
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:200
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3376
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:780

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/200-165-0x00000000001B0000-0x00000000001B9000-memory.dmp

                      Filesize

                      36KB

                    • memory/200-164-0x00000000001C0000-0x00000000001C4000-memory.dmp

                      Filesize

                      16KB

                    • memory/212-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/744-158-0x00000000009B0000-0x00000000009B6000-memory.dmp

                      Filesize

                      24KB

                    • memory/744-159-0x00000000009A0000-0x00000000009AC000-memory.dmp

                      Filesize

                      48KB

                    • memory/780-178-0x0000000000640000-0x0000000000649000-memory.dmp

                      Filesize

                      36KB

                    • memory/780-177-0x0000000000650000-0x0000000000655000-memory.dmp

                      Filesize

                      20KB

                    • memory/816-138-0x0000000000C30000-0x0000000000C3B000-memory.dmp

                      Filesize

                      44KB

                    • memory/816-137-0x0000000000C40000-0x0000000000C47000-memory.dmp

                      Filesize

                      28KB

                    • memory/1092-161-0x0000000000400000-0x000000000049E000-memory.dmp

                      Filesize

                      632KB

                    • memory/1092-160-0x00000000020B0000-0x0000000002141000-memory.dmp

                      Filesize

                      580KB

                    • memory/1328-140-0x0000000000D90000-0x0000000000D99000-memory.dmp

                      Filesize

                      36KB

                    • memory/1328-142-0x0000000000D80000-0x0000000000D8F000-memory.dmp

                      Filesize

                      60KB

                    • memory/2152-131-0x0000000000E60000-0x0000000000ECB000-memory.dmp

                      Filesize

                      428KB

                    • memory/2152-130-0x0000000000ED0000-0x0000000000F44000-memory.dmp

                      Filesize

                      464KB

                    • memory/2336-155-0x0000000002602000-0x0000000002603000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-182-0x0000000007310000-0x0000000007311000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-181-0x0000000006C90000-0x0000000006C91000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-153-0x0000000002600000-0x0000000002601000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-157-0x0000000002603000-0x0000000002604000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-156-0x0000000002790000-0x0000000002791000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-148-0x0000000005040000-0x0000000005041000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-154-0x0000000002604000-0x0000000002606000-memory.dmp

                      Filesize

                      8KB

                    • memory/2336-146-0x0000000002490000-0x00000000024A9000-memory.dmp

                      Filesize

                      100KB

                    • memory/2336-145-0x0000000004B40000-0x0000000004B41000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-144-0x0000000002110000-0x000000000212B000-memory.dmp

                      Filesize

                      108KB

                    • memory/2336-180-0x0000000006690000-0x0000000006691000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-179-0x00000000064C0000-0x00000000064C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-163-0x0000000005780000-0x0000000005781000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-152-0x0000000000400000-0x000000000046F000-memory.dmp

                      Filesize

                      444KB

                    • memory/2336-151-0x0000000000470000-0x00000000005BA000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2336-149-0x0000000002730000-0x0000000002731000-memory.dmp

                      Filesize

                      4KB

                    • memory/2336-150-0x0000000002750000-0x0000000002751000-memory.dmp

                      Filesize

                      4KB

                    • memory/2372-141-0x0000000000F40000-0x0000000000F45000-memory.dmp

                      Filesize

                      20KB

                    • memory/2372-143-0x0000000000F30000-0x0000000000F39000-memory.dmp

                      Filesize

                      36KB

                    • memory/2492-119-0x0000000001480000-0x0000000001497000-memory.dmp

                      Filesize

                      92KB

                    • memory/3376-170-0x00000000010F0000-0x00000000010F5000-memory.dmp

                      Filesize

                      20KB

                    • memory/3376-171-0x00000000010E0000-0x00000000010E9000-memory.dmp

                      Filesize

                      36KB

                    • memory/3912-133-0x00000000005E0000-0x00000000005E7000-memory.dmp

                      Filesize

                      28KB

                    • memory/3912-134-0x00000000005D0000-0x00000000005DC000-memory.dmp

                      Filesize

                      48KB

                    • memory/4048-117-0x0000000000540000-0x000000000054C000-memory.dmp

                      Filesize

                      48KB