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Analysis

  • max time kernel
    1801s
  • max time network
    1446s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 22:09

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

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 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 12 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 7 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 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 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:3560
    • 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:1372
  • C:\Users\Admin\AppData\Local\Temp\AEE.exe
    C:\Users\Admin\AppData\Local\Temp\AEE.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2080
  • C:\Users\Admin\AppData\Local\Temp\D6F.exe
    C:\Users\Admin\AppData\Local\Temp\D6F.exe
    1⤵
    • Executes dropped EXE
    PID:3692
  • C:\Users\Admin\AppData\Local\Temp\130E.exe
    C:\Users\Admin\AppData\Local\Temp\130E.exe
    1⤵
    • Executes dropped EXE
    PID:3920
  • C:\Users\Admin\AppData\Local\Temp\16C8.exe
    C:\Users\Admin\AppData\Local\Temp\16C8.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:200
    • C:\Users\Admin\AppData\Local\Temp\16C8.exe
      C:\Users\Admin\AppData\Local\Temp\16C8.exe
      2⤵
      • Executes dropped EXE
      PID:1908
    • C:\Users\Admin\AppData\Local\Temp\16C8.exe
      C:\Users\Admin\AppData\Local\Temp\16C8.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4088
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1812
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1452
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2884
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3576
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:4068
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:3868
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2276
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1824
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1096
                    • C:\Users\Admin\AppData\Roaming\tjejdri
                      C:\Users\Admin\AppData\Roaming\tjejdri
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious use of WriteProcessMemory
                      PID:1448
                      • C:\Users\Admin\AppData\Roaming\tjejdri
                        C:\Users\Admin\AppData\Roaming\tjejdri
                        2⤵
                        • Executes dropped EXE
                        PID:1300
                    • C:\Users\Admin\AppData\Roaming\tjejdri
                      C:\Users\Admin\AppData\Roaming\tjejdri
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:2032
                      • C:\Users\Admin\AppData\Roaming\tjejdri
                        C:\Users\Admin\AppData\Roaming\tjejdri
                        2⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Checks SCSI registry key(s)
                        • Suspicious behavior: MapViewOfSection
                        PID:1528
                    • C:\Users\Admin\AppData\Roaming\tjejdri
                      C:\Users\Admin\AppData\Roaming\tjejdri
                      1⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      PID:752
                      • C:\Users\Admin\AppData\Roaming\tjejdri
                        C:\Users\Admin\AppData\Roaming\tjejdri
                        2⤵
                        • Executes dropped EXE
                        PID:2308

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/200-133-0x00000000005C0000-0x00000000005C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/200-138-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/200-135-0x0000000004E70000-0x0000000004E71000-memory.dmp

                      Filesize

                      4KB

                    • memory/200-139-0x0000000004DF0000-0x0000000004E66000-memory.dmp

                      Filesize

                      472KB

                    • memory/1096-187-0x0000000002A40000-0x0000000002A49000-memory.dmp

                      Filesize

                      36KB

                    • memory/1096-186-0x0000000002A50000-0x0000000002A55000-memory.dmp

                      Filesize

                      20KB

                    • memory/1372-114-0x0000000000400000-0x000000000040C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1448-199-0x0000000000550000-0x000000000069A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/1452-141-0x0000000000A90000-0x0000000000A97000-memory.dmp

                      Filesize

                      28KB

                    • memory/1452-142-0x0000000000A80000-0x0000000000A8C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1812-136-0x0000000002B10000-0x0000000002B84000-memory.dmp

                      Filesize

                      464KB

                    • memory/1812-137-0x0000000002AA0000-0x0000000002B0B000-memory.dmp

                      Filesize

                      428KB

                    • memory/1824-182-0x0000000000530000-0x0000000000539000-memory.dmp

                      Filesize

                      36KB

                    • memory/1824-181-0x0000000000540000-0x0000000000545000-memory.dmp

                      Filesize

                      20KB

                    • memory/2080-154-0x00000000005D0000-0x000000000071A000-memory.dmp

                      Filesize

                      1.3MB

                    • memory/2276-164-0x0000000002BB0000-0x0000000002BB4000-memory.dmp

                      Filesize

                      16KB

                    • memory/2276-165-0x0000000002BA0000-0x0000000002BA9000-memory.dmp

                      Filesize

                      36KB

                    • memory/2884-146-0x0000000002EF0000-0x0000000002EFB000-memory.dmp

                      Filesize

                      44KB

                    • memory/2884-144-0x0000000002F00000-0x0000000002F07000-memory.dmp

                      Filesize

                      28KB

                    • memory/2984-208-0x00000000010E0000-0x00000000010F7000-memory.dmp

                      Filesize

                      92KB

                    • memory/2984-119-0x0000000000DB0000-0x0000000000DC7000-memory.dmp

                      Filesize

                      92KB

                    • memory/3560-117-0x00000000001D0000-0x00000000001DC000-memory.dmp

                      Filesize

                      48KB

                    • memory/3576-153-0x0000000001210000-0x000000000121F000-memory.dmp

                      Filesize

                      60KB

                    • memory/3576-149-0x0000000001220000-0x0000000001229000-memory.dmp

                      Filesize

                      36KB

                    • memory/3692-151-0x0000000000400000-0x00000000004A0000-memory.dmp

                      Filesize

                      640KB

                    • memory/3692-150-0x00000000020C0000-0x0000000002151000-memory.dmp

                      Filesize

                      580KB

                    • memory/3868-158-0x00000000001B0000-0x00000000001B6000-memory.dmp

                      Filesize

                      24KB

                    • memory/3868-159-0x00000000001A0000-0x00000000001AC000-memory.dmp

                      Filesize

                      48KB

                    • memory/4068-152-0x00000000027E0000-0x00000000027E5000-memory.dmp

                      Filesize

                      20KB

                    • memory/4068-156-0x00000000027D0000-0x00000000027D9000-memory.dmp

                      Filesize

                      36KB

                    • memory/4088-174-0x0000000005810000-0x0000000005811000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-176-0x0000000005850000-0x0000000005851000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-189-0x00000000071C0000-0x00000000071C1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-173-0x0000000003180000-0x0000000003181000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-172-0x0000000005E20000-0x0000000005E21000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-166-0x0000000000400000-0x000000000041E000-memory.dmp

                      Filesize

                      120KB

                    • memory/4088-183-0x0000000005810000-0x0000000005E16000-memory.dmp

                      Filesize

                      6.0MB

                    • memory/4088-184-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-188-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-192-0x0000000006FC0000-0x0000000006FC1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-191-0x0000000007BF0000-0x0000000007BF1000-memory.dmp

                      Filesize

                      4KB

                    • memory/4088-190-0x0000000006A40000-0x0000000006A41000-memory.dmp

                      Filesize

                      4KB