Analysis

  • max time kernel
    143s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 15:12

General

  • Target

    fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe

  • Size

    100KB

  • MD5

    fa932569d765ca8acd7ae5e7ca1ae67e

  • SHA1

    781889fcc52b7bdaf6eb2a9943d46e0793c2a807

  • SHA256

    24de4d60a3c47cb3b323292fb832571992a2bee924031cd89432c5deee8342c1

  • SHA512

    47b29459323356b1bdb72bb93bc4a4699b2f915afd6489f74b72efcb43cfc2b3e3e012fb60c4c78e7a162b1cd7fdcef6cf3955a4db4aecf07f59ee8e7f89f8a7

  • SSDEEP

    3072:AVUAXECKcXd00AoBeiyro9Lu7MKGVk8jwaaHw7Koj4rDMUeRF:eZNKo00iiyrsIMKjeF

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fa932569d765ca8acd7ae5e7ca1ae67e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:3640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 204
          3⤵
          • Program crash
          PID:2768
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4444
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4444 CREDAT:17410 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4912
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4444 CREDAT:17416 /prefetch:2
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2876
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:5044
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 212
            3⤵
            • Program crash
            PID:2744
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4664
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4336
        • C:\Users\Admin\AppData\Local\Temp\auvbhafccefejqvu.exe
          "C:\Users\Admin\AppData\Local\Temp\auvbhafccefejqvu.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3640 -ip 3640
        1⤵
          PID:4968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5044 -ip 5044
          1⤵
            PID:2456
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4144 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:4740

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Defense Evasion

            Modify Registry

            1
            T1112

            Discovery

            Query Registry

            1
            T1012

            System Information Discovery

            2
            T1082

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
              Filesize

              471B

              MD5

              4e981d0b7c38bdc36065b0244ef73c15

              SHA1

              c9ec66cc6b2049c4801d9256cdf50bfa772227e8

              SHA256

              ffde49ad889e401f6b4e5df21406b6bdee53635137333c4947f990013472d3e4

              SHA512

              a77173d5b6759bf062a1a0766f7de0456958435b671ed4ca8dad2cc434b2a707d1cf0c3a6038886f7f5bbed030efff46028c7bd0b478f09a47283589b2851a30

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
              Filesize

              404B

              MD5

              c606ca4c3990a34ba3aba0179e27e25f

              SHA1

              53137d12ee0c25c3e6320434950ea7f998c0016d

              SHA256

              da1a66ca978d9e23ef46f4cd4093eee79a681b611332a2cecdd1d3b2f82e0146

              SHA512

              8768bda2738c2fec3ca3c52297a7c128925046b6cedb717cd1f2846b630d8947f516480957c7364dc82efcb87f40798012e4b88ec395e6f6db3abde406a40dbc

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Users\Admin\AppData\Local\Temp\auvbhafccefejqvu.exe
              Filesize

              100KB

              MD5

              fa932569d765ca8acd7ae5e7ca1ae67e

              SHA1

              781889fcc52b7bdaf6eb2a9943d46e0793c2a807

              SHA256

              24de4d60a3c47cb3b323292fb832571992a2bee924031cd89432c5deee8342c1

              SHA512

              47b29459323356b1bdb72bb93bc4a4699b2f915afd6489f74b72efcb43cfc2b3e3e012fb60c4c78e7a162b1cd7fdcef6cf3955a4db4aecf07f59ee8e7f89f8a7

            • memory/936-46-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/936-43-0x00000000006C0000-0x00000000006C2000-memory.dmp
              Filesize

              8KB

            • memory/936-42-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/956-12-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/956-7-0x0000000000510000-0x0000000000511000-memory.dmp
              Filesize

              4KB

            • memory/956-1-0x0000000000432000-0x000000000043B000-memory.dmp
              Filesize

              36KB

            • memory/956-0-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/956-17-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/956-19-0x00000000779F2000-0x00000000779F3000-memory.dmp
              Filesize

              4KB

            • memory/956-8-0x00000000779F2000-0x00000000779F3000-memory.dmp
              Filesize

              4KB

            • memory/956-2-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/956-29-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/956-6-0x0000000000500000-0x0000000000501000-memory.dmp
              Filesize

              4KB

            • memory/956-4-0x00000000004A0000-0x00000000004A2000-memory.dmp
              Filesize

              8KB

            • memory/956-3-0x0000000000400000-0x000000000043A6BC-memory.dmp
              Filesize

              233KB

            • memory/3640-11-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
              Filesize

              4KB

            • memory/3640-10-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
              Filesize

              4KB