Analysis

  • max time kernel
    145s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 19:02

General

  • Target

    PO181219.exe

  • Size

    466KB

  • MD5

    9f1c4ea29a9490e84c85ee622ebbee83

  • SHA1

    03eb6bec9ca71f61726134e031ef1c96609c6fbf

  • SHA256

    4cf3f2e4957d449f51f1a5dd6b20765aa7a1fe89231f1ea3748cd0c0e90d74c4

  • SHA512

    2eccd244877aae74692294905fa6d11e7b1d67d03c44147f59dddf1b6d6ffe849529bf1e0ccd1b142d5767c281e229053d6d5d513bcc3c0ec9b428a735ed5f97

  • SSDEEP

    12288:jGNJ561IweViPtQjDMEnSHTigQWX+T/XRfoxwo4P:jGGy+t8kTEOY/4wo4

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

h332

Decoy

mericashoppe.com

campbneiakiva.com

retronix.info

capellisnyc.com

lapcameratot.com

otheroffice.win

biofrez.com

servo-electric.com

hfhkjd.com

chemungccecornell.com

leanneetsaparure.com

collaboraveit.com

thecarewear.info

truymanhaaseinsurance.com

krishnagruhudhyog.com

maxwellbeing.store

cgevent35.com

easyclick.directory

andseniorhomesok.live

dagashiya-bitcoin.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\PO181219.exe
      "C:\Users\Admin\AppData\Local\Temp\PO181219.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\PO181219.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"
        3⤵
          PID:2116
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2720
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2608
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              PID:2512
      • C:\Windows\SysWOW64\autofmt.exe
        "C:\Windows\SysWOW64\autofmt.exe"
        2⤵
          PID:3064
        • C:\Windows\SysWOW64\autofmt.exe
          "C:\Windows\SysWOW64\autofmt.exe"
          2⤵
            PID:1796
          • C:\Windows\SysWOW64\autofmt.exe
            "C:\Windows\SysWOW64\autofmt.exe"
            2⤵
              PID:2376
            • C:\Windows\SysWOW64\autofmt.exe
              "C:\Windows\SysWOW64\autofmt.exe"
              2⤵
                PID:2796
              • C:\Windows\SysWOW64\autofmt.exe
                "C:\Windows\SysWOW64\autofmt.exe"
                2⤵
                  PID:2840
                • C:\Windows\SysWOW64\autofmt.exe
                  "C:\Windows\SysWOW64\autofmt.exe"
                  2⤵
                    PID:2848
                  • C:\Windows\SysWOW64\autofmt.exe
                    "C:\Windows\SysWOW64\autofmt.exe"
                    2⤵
                      PID:2820
                    • C:\Windows\SysWOW64\autofmt.exe
                      "C:\Windows\SysWOW64\autofmt.exe"
                      2⤵
                        PID:2836
                      • C:\Windows\SysWOW64\autofmt.exe
                        "C:\Windows\SysWOW64\autofmt.exe"
                        2⤵
                          PID:2864
                        • C:\Windows\SysWOW64\autofmt.exe
                          "C:\Windows\SysWOW64\autofmt.exe"
                          2⤵
                            PID:2880
                          • C:\Windows\SysWOW64\autofmt.exe
                            "C:\Windows\SysWOW64\autofmt.exe"
                            2⤵
                              PID:2896
                            • C:\Windows\SysWOW64\autofmt.exe
                              "C:\Windows\SysWOW64\autofmt.exe"
                              2⤵
                                PID:2912
                              • C:\Windows\SysWOW64\autofmt.exe
                                "C:\Windows\SysWOW64\autofmt.exe"
                                2⤵
                                  PID:2852
                                • C:\Windows\SysWOW64\autofmt.exe
                                  "C:\Windows\SysWOW64\autofmt.exe"
                                  2⤵
                                    PID:2868
                                  • C:\Windows\SysWOW64\autofmt.exe
                                    "C:\Windows\SysWOW64\autofmt.exe"
                                    2⤵
                                      PID:2884
                                    • C:\Windows\SysWOW64\autofmt.exe
                                      "C:\Windows\SysWOW64\autofmt.exe"
                                      2⤵
                                        PID:2900
                                      • C:\Windows\SysWOW64\autofmt.exe
                                        "C:\Windows\SysWOW64\autofmt.exe"
                                        2⤵
                                          PID:1456
                                        • C:\Windows\SysWOW64\autofmt.exe
                                          "C:\Windows\SysWOW64\autofmt.exe"
                                          2⤵
                                            PID:2908
                                          • C:\Windows\SysWOW64\autofmt.exe
                                            "C:\Windows\SysWOW64\autofmt.exe"
                                            2⤵
                                              PID:2560
                                            • C:\Windows\SysWOW64\autofmt.exe
                                              "C:\Windows\SysWOW64\autofmt.exe"
                                              2⤵
                                                PID:2920
                                              • C:\Windows\SysWOW64\autofmt.exe
                                                "C:\Windows\SysWOW64\autofmt.exe"
                                                2⤵
                                                  PID:1652
                                                • C:\Windows\SysWOW64\autofmt.exe
                                                  "C:\Windows\SysWOW64\autofmt.exe"
                                                  2⤵
                                                    PID:2028
                                                  • C:\Windows\SysWOW64\autofmt.exe
                                                    "C:\Windows\SysWOW64\autofmt.exe"
                                                    2⤵
                                                      PID:1224
                                                    • C:\Windows\SysWOW64\autofmt.exe
                                                      "C:\Windows\SysWOW64\autofmt.exe"
                                                      2⤵
                                                        PID:1640
                                                      • C:\Windows\SysWOW64\autofmt.exe
                                                        "C:\Windows\SysWOW64\autofmt.exe"
                                                        2⤵
                                                          PID:2444
                                                        • C:\Windows\SysWOW64\autofmt.exe
                                                          "C:\Windows\SysWOW64\autofmt.exe"
                                                          2⤵
                                                            PID:2364
                                                          • C:\Windows\SysWOW64\autofmt.exe
                                                            "C:\Windows\SysWOW64\autofmt.exe"
                                                            2⤵
                                                              PID:1568
                                                            • C:\Windows\SysWOW64\autofmt.exe
                                                              "C:\Windows\SysWOW64\autofmt.exe"
                                                              2⤵
                                                                PID:1508
                                                              • C:\Windows\SysWOW64\autofmt.exe
                                                                "C:\Windows\SysWOW64\autofmt.exe"
                                                                2⤵
                                                                  PID:2552
                                                                • C:\Windows\SysWOW64\autofmt.exe
                                                                  "C:\Windows\SysWOW64\autofmt.exe"
                                                                  2⤵
                                                                    PID:772
                                                                  • C:\Windows\SysWOW64\chkdsk.exe
                                                                    "C:\Windows\SysWOW64\chkdsk.exe"
                                                                    2⤵
                                                                    • Suspicious use of SetThreadContext
                                                                    • Enumerates system info in registry
                                                                    • Suspicious behavior: EnumeratesProcesses
                                                                    • Suspicious behavior: MapViewOfSection
                                                                    • Suspicious use of AdjustPrivilegeToken
                                                                    • Suspicious use of WriteProcessMemory
                                                                    PID:1384
                                                                    • C:\Windows\SysWOW64\cmd.exe
                                                                      /c del "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe"
                                                                      3⤵
                                                                        PID:3024

                                                                  Network

                                                                  MITRE ATT&CK Enterprise v15

                                                                  Replay Monitor

                                                                  Loading Replay Monitor...

                                                                  Downloads

                                                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\thxx.exe

                                                                    Filesize

                                                                    466KB

                                                                    MD5

                                                                    9f1c4ea29a9490e84c85ee622ebbee83

                                                                    SHA1

                                                                    03eb6bec9ca71f61726134e031ef1c96609c6fbf

                                                                    SHA256

                                                                    4cf3f2e4957d449f51f1a5dd6b20765aa7a1fe89231f1ea3748cd0c0e90d74c4

                                                                    SHA512

                                                                    2eccd244877aae74692294905fa6d11e7b1d67d03c44147f59dddf1b6d6ffe849529bf1e0ccd1b142d5767c281e229053d6d5d513bcc3c0ec9b428a735ed5f97

                                                                  • memory/1204-21-0x0000000003B40000-0x0000000003C40000-memory.dmp

                                                                    Filesize

                                                                    1024KB

                                                                  • memory/1384-23-0x0000000000230000-0x0000000000237000-memory.dmp

                                                                    Filesize

                                                                    28KB

                                                                  • memory/1740-10-0x00000000744F0000-0x0000000074BDE000-memory.dmp

                                                                    Filesize

                                                                    6.9MB

                                                                  • memory/1740-4-0x00000000744F0000-0x0000000074BDE000-memory.dmp

                                                                    Filesize

                                                                    6.9MB

                                                                  • memory/1740-3-0x0000000000730000-0x000000000074C000-memory.dmp

                                                                    Filesize

                                                                    112KB

                                                                  • memory/1740-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

                                                                    Filesize

                                                                    4KB

                                                                  • memory/1740-2-0x0000000000A00000-0x0000000000A3A000-memory.dmp

                                                                    Filesize

                                                                    232KB

                                                                  • memory/1740-1-0x00000000002E0000-0x000000000035E000-memory.dmp

                                                                    Filesize

                                                                    504KB

                                                                  • memory/2512-12-0x0000000000080000-0x00000000000AA000-memory.dmp

                                                                    Filesize

                                                                    168KB

                                                                  • memory/2512-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                                                    Filesize

                                                                    4KB

                                                                  • memory/2512-19-0x0000000000080000-0x00000000000AA000-memory.dmp

                                                                    Filesize

                                                                    168KB

                                                                  • memory/2512-14-0x0000000000080000-0x00000000000AA000-memory.dmp

                                                                    Filesize

                                                                    168KB

                                                                  • memory/2512-22-0x0000000000080000-0x00000000000AA000-memory.dmp

                                                                    Filesize

                                                                    168KB

                                                                  • memory/2608-11-0x00000000000C0000-0x000000000013E000-memory.dmp

                                                                    Filesize

                                                                    504KB