Resubmissions

12-07-2021 16:55

210712-cvz622xsbj 10

10-07-2021 13:25

210710-pdfh7kft96 10

09-07-2021 23:00

210709-hewxkm1xlj 10

09-07-2021 16:08

210709-5ql27kyjqa 10

09-07-2021 14:08

210709-pt977a4bhe 10

08-07-2021 22:09

210708-3ypfnj5j7x 10

08-07-2021 13:30

210708-4hsk7y9f2x 10

08-07-2021 12:14

210708-8t5f9z9egj 10

Analysis

  • max time kernel
    1800s
  • max time network
    1616s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-07-2021 22:09

General

  • Target

    toolspab2 (11).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

1

C2

45.32.235.238:45555

Extracted

Family

redline

C2

45.93.4.12:80

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 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 16 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 12 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 6 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\toolspab2 (11).exe
    "C:\Users\Admin\AppData\Local\Temp\toolspab2 (11).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Users\Admin\AppData\Local\Temp\toolspab2 (11).exe
      "C:\Users\Admin\AppData\Local\Temp\toolspab2 (11).exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1256
  • C:\Users\Admin\AppData\Local\Temp\BA89.exe
    C:\Users\Admin\AppData\Local\Temp\BA89.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:556
  • C:\Users\Admin\AppData\Local\Temp\BC1F.exe
    C:\Users\Admin\AppData\Local\Temp\BC1F.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:564
  • C:\Users\Admin\AppData\Local\Temp\FB23.exe
    C:\Users\Admin\AppData\Local\Temp\FB23.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Local\Temp\FB23.exe
      C:\Users\Admin\AppData\Local\Temp\FB23.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:672
  • C:\Users\Admin\AppData\Local\Temp\FFF4.exe
    C:\Users\Admin\AppData\Local\Temp\FFF4.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Modifies system certificate store
    PID:1920
  • C:\Users\Admin\AppData\Local\Temp\2A4.exe
    C:\Users\Admin\AppData\Local\Temp\2A4.exe
    1⤵
    • Executes dropped EXE
    PID:1064
  • C:\Users\Admin\AppData\Local\Temp\CF1.exe
    C:\Users\Admin\AppData\Local\Temp\CF1.exe
    1⤵
    • Executes dropped EXE
    PID:968
  • C:\Users\Admin\AppData\Local\Temp\1626.exe
    C:\Users\Admin\AppData\Local\Temp\1626.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Users\Admin\AppData\Local\Temp\1626.exe
      C:\Users\Admin\AppData\Local\Temp\1626.exe
      2⤵
      • Executes dropped EXE
      PID:1572
    • C:\Users\Admin\AppData\Local\Temp\1626.exe
      C:\Users\Admin\AppData\Local\Temp\1626.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1712
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1348
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:296
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1700
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1756
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2020
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:616
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:700
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1740
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1608
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {08D71061-34D2-4FB8-AE7B-EE452E27726B} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                      1⤵
                        PID:988
                        • C:\Users\Admin\AppData\Roaming\vrddjau
                          C:\Users\Admin\AppData\Roaming\vrddjau
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          PID:1384
                          • C:\Users\Admin\AppData\Roaming\vrddjau
                            C:\Users\Admin\AppData\Roaming\vrddjau
                            3⤵
                            • Executes dropped EXE
                            PID:1512
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {4DDBFE66-3BBE-490D-BD11-A08AB4CB422E} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                        1⤵
                          PID:1616
                          • C:\Users\Admin\AppData\Roaming\vrddjau
                            C:\Users\Admin\AppData\Roaming\vrddjau
                            2⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            PID:1460
                            • C:\Users\Admin\AppData\Roaming\vrddjau
                              C:\Users\Admin\AppData\Roaming\vrddjau
                              3⤵
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • Checks SCSI registry key(s)
                              • Suspicious behavior: MapViewOfSection
                              PID:664
                        • C:\Windows\system32\taskeng.exe
                          taskeng.exe {E70D2E71-382C-4FE4-BB05-76588C117876} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
                          1⤵
                            PID:1552
                            • C:\Users\Admin\AppData\Roaming\vrddjau
                              C:\Users\Admin\AppData\Roaming\vrddjau
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:792
                              • C:\Users\Admin\AppData\Roaming\vrddjau
                                C:\Users\Admin\AppData\Roaming\vrddjau
                                3⤵
                                • Executes dropped EXE
                                PID:1992

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/296-114-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/296-106-0x0000000000070000-0x0000000000077000-memory.dmp

                            Filesize

                            28KB

                          • memory/616-141-0x0000000000070000-0x0000000000076000-memory.dmp

                            Filesize

                            24KB

                          • memory/616-142-0x0000000000060000-0x000000000006C000-memory.dmp

                            Filesize

                            48KB

                          • memory/672-111-0x0000000004D10000-0x0000000004D11000-memory.dmp

                            Filesize

                            4KB

                          • memory/672-89-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/672-86-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/700-152-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/700-150-0x0000000000090000-0x0000000000094000-memory.dmp

                            Filesize

                            16KB

                          • memory/824-98-0x0000000000080000-0x0000000000081000-memory.dmp

                            Filesize

                            4KB

                          • memory/824-107-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1204-66-0x0000000002A00000-0x0000000002A17000-memory.dmp

                            Filesize

                            92KB

                          • memory/1204-181-0x0000000002AE0000-0x0000000002AF7000-memory.dmp

                            Filesize

                            92KB

                          • memory/1256-60-0x0000000000400000-0x000000000040C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1256-62-0x0000000075551000-0x0000000075553000-memory.dmp

                            Filesize

                            8KB

                          • memory/1304-64-0x0000000000220000-0x000000000022C000-memory.dmp

                            Filesize

                            48KB

                          • memory/1348-101-0x00000000741D1000-0x00000000741D3000-memory.dmp

                            Filesize

                            8KB

                          • memory/1348-112-0x0000000000130000-0x00000000001A4000-memory.dmp

                            Filesize

                            464KB

                          • memory/1348-113-0x00000000000C0000-0x000000000012B000-memory.dmp

                            Filesize

                            428KB

                          • memory/1608-160-0x0000000000090000-0x0000000000095000-memory.dmp

                            Filesize

                            20KB

                          • memory/1608-161-0x0000000000080000-0x0000000000089000-memory.dmp

                            Filesize

                            36KB

                          • memory/1700-117-0x000000006F521000-0x000000006F523000-memory.dmp

                            Filesize

                            8KB

                          • memory/1700-118-0x00000000000D0000-0x00000000000D7000-memory.dmp

                            Filesize

                            28KB

                          • memory/1700-119-0x0000000000080000-0x000000000008B000-memory.dmp

                            Filesize

                            44KB

                          • memory/1712-144-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1712-153-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1712-149-0x0000000000400000-0x000000000041E000-memory.dmp

                            Filesize

                            120KB

                          • memory/1740-156-0x0000000000060000-0x0000000000069000-memory.dmp

                            Filesize

                            36KB

                          • memory/1740-155-0x0000000000070000-0x0000000000075000-memory.dmp

                            Filesize

                            20KB

                          • memory/1756-122-0x0000000000070000-0x0000000000079000-memory.dmp

                            Filesize

                            36KB

                          • memory/1756-123-0x0000000000060000-0x000000000006F000-memory.dmp

                            Filesize

                            60KB

                          • memory/1880-83-0x0000000001210000-0x0000000001211000-memory.dmp

                            Filesize

                            4KB

                          • memory/1880-78-0x0000000001330000-0x0000000001331000-memory.dmp

                            Filesize

                            4KB

                          • memory/1920-108-0x0000000000400000-0x00000000004A0000-memory.dmp

                            Filesize

                            640KB

                          • memory/1920-105-0x00000000002C0000-0x0000000000351000-memory.dmp

                            Filesize

                            580KB

                          • memory/2020-139-0x00000000000C0000-0x00000000000C9000-memory.dmp

                            Filesize

                            36KB

                          • memory/2020-138-0x00000000000D0000-0x00000000000D5000-memory.dmp

                            Filesize

                            20KB