Analysis

  • max time kernel
    128s
  • max time network
    297s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/05/2024, 22:52

General

  • Target
    ad8f4809df9a7429e0a3dbbaeafae78056f10584f042bcfde4b8fdab553077ad.exe
  • Size 663KB
  • Sample240505-2tnessbe83
  • SHA256 ad8f4809df9a7429e0a3dbbaeafae78056f10584f042bcfde4b8fdab553077ad
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub3

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Executes dropped EXE 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3352
      • C:\Users\Admin\AppData\Local\Temp\ad8f4809df9a7429e0a3dbbaeafae78056f10584f042bcfde4b8fdab553077ad.exe
        "C:\Users\Admin\AppData\Local\Temp\ad8f4809df9a7429e0a3dbbaeafae78056f10584f042bcfde4b8fdab553077ad.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4160
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Albania Albania.cmd & Albania.cmd & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1632
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4824
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa.exe opssvc.exe"
            4⤵
              PID:4196
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:2964
            • C:\Windows\SysWOW64\findstr.exe
              findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
              4⤵
                PID:4392
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c md 55231215
                4⤵
                  PID:2296
                • C:\Windows\SysWOW64\findstr.exe
                  findstr /V "RESTORATIONFONTPALACECHRONICLES" Evaluated
                  4⤵
                    PID:816
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c copy /b Attempting 55231215\e
                    4⤵
                      PID:2460
                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                      55231215\Denial.pif 55231215\e
                      4⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      • Suspicious use of WriteProcessMemory
                      PID:4076
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:3152
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  2⤵
                  • Executes dropped EXE
                  PID:4668
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  2⤵
                  • Executes dropped EXE
                  PID:1596
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  2⤵
                  • Executes dropped EXE
                  PID:4352
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  PID:4176

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Denial.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\55231215\Denial.pif
                    • Size 925KB
                    • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
                    • MD5 SHA1 SHA512 SSDEEP

                    Albania

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Albania
                    • Size 7KB
                    • SHA256 271a4d29889f6c79cb2f8ac13cad58c60f056d2c32e98f566f4d6b05a25ee972
                    • MD5 SHA1 SHA512 SSDEEP

                    Anticipated

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Anticipated
                    • Size 67KB
                    • SHA256 1b23e536a23154db81725f73f2b292f430705b7f23c23f06f3867b7a09a8ea34
                    • MD5 SHA1 SHA512 SSDEEP

                    Assuming

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Assuming
                    • Size 27KB
                    • SHA256 e863b1e55cd9a201bb7809ac9910a88e116d0e4baa3960e755783565bf376a26
                    • MD5 SHA1 SHA512 SSDEEP

                    Attempting

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Attempting
                    • Size 176KB
                    • SHA256 bd1522cb5baf51bfafbe60bfa22d3fee52f4c7aab5f6623a9cb9d64e5d596098
                    • MD5 SHA1 SHA512 SSDEEP

                    Can

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Can
                    • Size 23KB
                    • SHA256 b112da438b23aac96d683e124e3662e1b400d16a7ae37fa744dccb655626f94e
                    • MD5 SHA1 SHA512 SSDEEP

                    Circular

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Circular
                    • Size 21KB
                    • SHA256 30c6a92bbc3e63f030fb7fae15c54b3dc4ee761efa1c8a50ea972ba0ea8fac5c
                    • MD5 SHA1 SHA512 SSDEEP

                    Contamination

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Contamination
                    • Size 35KB
                    • SHA256 c00348a944fa33156a4bb434b26e4887494370b70b433c045b7dd398fae27be5
                    • MD5 SHA1 SHA512 SSDEEP

                    Delivery

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Delivery
                    • Size 44KB
                    • SHA256 4323539bcde6c14548d79f9b9c6a7a9a76c2f4d7edc3b854f76182818cb258b1
                    • MD5 SHA1 SHA512 SSDEEP

                    Evaluated

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Evaluated
                    • Size 153B
                    • SHA256 f14a10f991af08b0326af086ed0ea3cad3def0f3b54c7cfd23d1539a0c80cf10
                    • MD5 SHA1 SHA512

                    Ieee

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ieee
                    • Size 6KB
                    • SHA256 3f49376ec6727868eee0ce178cb0fe1cae84463b9444087f6254827b62b33a86
                    • MD5 SHA1 SHA512 SSDEEP

                    Label

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Label
                    • Size 17KB
                    • SHA256 a5d089db7c8e0015cfc2b25cccd216a94c1f2507c3e0f350b3450988ef3c2cbc
                    • MD5 SHA1 SHA512 SSDEEP

                    Medicine

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Medicine
                    • Size 21KB
                    • SHA256 5553260b69f6faa02c8e58f94b6414d2016913b74d6522f5fcdefc20eac36b98
                    • MD5 SHA1 SHA512 SSDEEP

                    Mess

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Mess
                    • Size 51KB
                    • SHA256 1e5276f666cf5948a218a2b046fa23514d48d9422058f2e86b489be4f067a8a4
                    • MD5 SHA1 SHA512 SSDEEP

                    Out

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Out
                    • Size 40KB
                    • SHA256 4f37e201e8e5aff58c87ef2b6201f36750bd5383965a1c281fbf1f8b4fa0e3f4
                    • MD5 SHA1 SHA512 SSDEEP

                    Pct

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Pct
                    • Size 42KB
                    • SHA256 a332b7ebfa9ae56b76383945be23180ae4c0eb24c542f6067a56fc2106cad368
                    • MD5 SHA1 SHA512 SSDEEP

                    Places

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Places
                    • Size 9KB
                    • SHA256 a701d0ee1d14a452be2ef9ad4bf75d31ab42f49e5cc1636f30abef297e6e218e
                    • MD5 SHA1 SHA512 SSDEEP

                    Pose

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Pose
                    • Size 43KB
                    • SHA256 a63f9c4b49c3f6c469abe0490336dc8c81c86346ed363bed8b49f4aab88b7343
                    • MD5 SHA1 SHA512 SSDEEP

                    Pregnancy

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Pregnancy
                    • Size 47KB
                    • SHA256 5cf34136b875ea16ab2e26fb34733b8b2defef04b0a2b4e205eeee1b5e886691
                    • MD5 SHA1 SHA512 SSDEEP

                    Procedures

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Procedures
                    • Size 49KB
                    • SHA256 4ec9139d86815aba942a547e5f44774aec2052e37bf26e59727431ed61f1e333
                    • MD5 SHA1 SHA512 SSDEEP

                    Registry

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Registry
                    • Size 8KB
                    • SHA256 e822464d0a24402e0ac22b22e40ac550ed8b0946b3fa7cfcebb4bbb7c5cf2f9a
                    • MD5 SHA1 SHA512 SSDEEP

                    Sacred

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Sacred
                    • Size 41KB
                    • SHA256 d81f47bb692b1ed20bfe94e363e92b6c947d4c0adbdbbfd4b6cd5f701c03e70c
                    • MD5 SHA1 SHA512 SSDEEP

                    Samuel

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Samuel
                    • Size 55KB
                    • SHA256 4086cb0307ee1b403fa2f3274c8c66aa285a325310c815a7f25d7dfb561cdbc6
                    • MD5 SHA1 SHA512 SSDEEP

                    Site

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Site
                    • Size 26KB
                    • SHA256 edc3f91422263f5f410938f3602db7202a196d5d7799d1fc5ffa5adc79ff1033
                    • MD5 SHA1 SHA512 SSDEEP

                    Sorry

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Sorry
                    • Size 59KB
                    • SHA256 533dd3eb6294b12940d181bf4031a0c7dcb4de07c9a3de15a5df7474615931f9
                    • MD5 SHA1 SHA512 SSDEEP

                    Spas

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Spas
                    • Size 40KB
                    • SHA256 cbaf66b752e9d9eed2c7deafa1a0c33d1b887e84b2ade53c88e8e8eb98d46eaa
                    • MD5 SHA1 SHA512 SSDEEP

                    Strategic

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Strategic
                    • Size 24KB
                    • SHA256 a50a537010be59cfc0ae26bde86d5dcffaee772412b4918a91ddaa75cac8f23e
                    • MD5 SHA1 SHA512 SSDEEP

                    Theorem

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Theorem
                    • Size 46KB
                    • SHA256 00b43c4d27e4825bfdb92634a5a172400d80091e43b4635e8ccf5f0ae081970a
                    • MD5 SHA1 SHA512 SSDEEP

                    Warranty

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Warranty
                    • Size 63KB
                    • SHA256 36022914b51d3e6cd1bdd4f30c51a246255dae805fefbe98c28ef0fbcf75dcd3
                    • MD5 SHA1 SHA512 SSDEEP

                    Workshops

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Workshops
                    • Size 20KB
                    • SHA256 ec158425a6ddabcae3f3ad28a876918856cc3fd5502212edea3f4de81af1e63c
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/4176-83-0x0000000000400000-0x000000000040B000-memory.dmp

                    memory/4176-84-0x0000000000400000-0x000000000040B000-memory.dmp