Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2024, 04:57

General

  • Target

    cd296aff24f3d429627975af76b4bce5.exe

  • Size

    34KB

  • MD5

    cd296aff24f3d429627975af76b4bce5

  • SHA1

    2e4de26f4b693d1e5437e3683151b226b3f6a6f2

  • SHA256

    f76fcea2df6cfe843df6e9ad62f2e89914694dc511a3e24bff3e532ccbdc5339

  • SHA512

    f3390299ecd91665a10d01b01189107d292de35bd038c762b121e2bfa10fa187fd3eee9b4034badf1bc0af190ad0a252bf19df5bae2cbe2820e3f31411209f3a

  • SSDEEP

    768:nf2W9URcLcAZIft0K/jIKyn0Ea8NfZyTpS5lG9JbNX4TJOniv+UxVHfXcyI:nf2M+uJQ2Kz488NaolG9JhX4lR9/xI

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd296aff24f3d429627975af76b4bce5.exe
    "C:\Users\Admin\AppData\Local\Temp\cd296aff24f3d429627975af76b4bce5.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      ".\Internet Explorer\IEXPLORE.EXE" http://www.baidu.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.baidu.com
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4692
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4692 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:1916
    • C:\Windows\SysWOW64\Pierce.exe
      C:\Windows\system32\Pierce.exe bknxl C:\Users\Admin\AppData\Local\Temp\ED.exe
      2⤵
      • Executes dropped EXE
      PID:4600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 224
        3⤵
        • Program crash
        PID:1516
    • C:\Windows\SysWOW64\Pierce.exe
      C:\Windows\system32\Pierce.exe bknxl "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" "C:\Windows\system32\mstsc.exe"
      2⤵
      • Executes dropped EXE
      PID:1264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 204
        3⤵
        • Program crash
        PID:4888
    • C:\Windows\SysWOW64\Pierce.exe
      C:\Windows\system32\Pierce.exe bknxl "C:\Users\Admin\AppData\Local\Temp\ED.exe" "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
      2⤵
      • Executes dropped EXE
      PID:4380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 188
        3⤵
        • Program crash
        PID:1928
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4600 -ip 4600
    1⤵
      PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1264 -ip 1264
      1⤵
        PID:2512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4380 -ip 4380
        1⤵
          PID:1128

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DOMStore\SWJ69YWQ\www.baidu[1].xml

                Filesize

                114B

                MD5

                b7c6c10a930bf260c2a07a10d0fd8c70

                SHA1

                3c602fa3604d4d28ecb8a62b5ba2bd91420df521

                SHA256

                a579473818bd8528adc6137af5298e53c50c1cd965eb9b5922ae2d5f606715e0

                SHA512

                6e9f665a57d3dc02f7d82522dc50cb9367815ccce03eaeb0322a0a2e30b3b2dd617480e097c0cea9e62020186b9ec028301032af552c93f058448646df37925d

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DOMStore\SWJ69YWQ\www.baidu[1].xml

                Filesize

                271B

                MD5

                340c1fb666f6f4216e79129a6f3db732

                SHA1

                7bfed569b4b237192229ea8125e6ed8ca86edc36

                SHA256

                8c9c48a29fa45236ad406c11a4892abc297362c436809398461b056495b3f7ef

                SHA512

                0a5c1997a641e21313734a0f25d40a03f1753c8e86a8cb7e84017cbb06dec4afb3a1ae5c32a3ba995aa43b3b1a98609c55c829d05a48b3fe7ddaac82a73890cf

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\DOMStore\SWJ69YWQ\www.baidu[1].xml

                Filesize

                15KB

                MD5

                05c79721bb346d280aeeb00a997fcf37

                SHA1

                c5fc01e48525f2e57c8c0b155e9e05d916e77808

                SHA256

                9566772df2aa6b3c34d9f79e505341e59418483e608911ae12e132506e755749

                SHA512

                8814dd8f6719874dc094e9849f16528dc18206fe006f85e5c3fbbe0a2ff05b2a9318eca7ef283451b427172e3b1d52e2008c0836def71fa11f969fe4a7313a90

              • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\xclpy2g\imagestore.dat

                Filesize

                16KB

                MD5

                53138623de068093773694500be03e66

                SHA1

                ce49b47f00a497c3fbc14ee9ea94dbd82ba2856d

                SHA256

                1eae3072856bfbc49496bcfe44825e7f379ab2d8fe590e3595133f455aca8270

                SHA512

                3a0b5785e68945ac407eb9fff9e3859a5dd2594acdad2fee75d6511a39f887f6f20d0b3254a822e5cd3125028272ef03a4fee6b42bec106cafe3ff7ca5997292

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PICZ11Q6\favicon[2].ico

                Filesize

                16KB

                MD5

                717b138033a41361b32b60fc5062ab2a

                SHA1

                af9841b6f0923f890f41feec52c94a0cd68f01d8

                SHA256

                c70088079fe9441a726c66ce0e73ae38315ec80051d3dd542c41b82fa0a1993a

                SHA512

                1985bf59c3ee8289bbe55fbe572371d1f401949e6a0179b35ca89e292173780956161feb257303fe9ff5fd2898ca7fd6105eb1796841ade0e1124eeb89aa70ac

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PICZ11Q6\suggestions[1].en-US

                Filesize

                17KB

                MD5

                5a34cb996293fde2cb7a4ac89587393a

                SHA1

                3c96c993500690d1a77873cd62bc639b3a10653f

                SHA256

                c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                SHA512

                e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

              • C:\Windows\SysWOW64\Pierce.exe

                Filesize

                3KB

                MD5

                bb804e308b7e57ce70b1d87a99793f8f

                SHA1

                85dccbd30e243eabe73da60773a597e9c05ef536

                SHA256

                26f2e548cabd13b57b401e77854182a7bd85e27b1ae062f1c63cbcd5db5a7fa8

                SHA512

                72b7e5d3234a06e2bd39c21eb8b15f317113d771c312f13735c2641ce69acaac076383ebebd54772376c4255acc3da0b121b020d749a5c55d43ca6199f2d5c4c

              • C:\kpp.log

                Filesize

                1KB

                MD5

                bc70ee86eb52d9984cb98106cfb65843

                SHA1

                91a9bdf2bb831f3b1b8886112ddcae91bf27298a

                SHA256

                6920db2fe9f09827467188bd285097eb9efa3e0f5c53c4ddb8c9a62fe5aefa53

                SHA512

                204394f867f64ba555c76d60601ae37c740200ad48bdf2f08440d1d790b2a123aa70dad45d28de612096917285ab6ab5cc674cf40d6bafe428a307fccec3c9e8

              • memory/3768-0-0x0000000000400000-0x000000000042C000-memory.dmp

                Filesize

                176KB

              • memory/3768-1-0x0000000000690000-0x0000000000691000-memory.dmp

                Filesize

                4KB

              • memory/3768-200-0x0000000000400000-0x000000000042C000-memory.dmp

                Filesize

                176KB