Analysis

  • max time kernel
    152s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 01:28

General

  • Target

    e21184d50b8d40e1db2241bf12830005d30e683e8a543f0b4675e0249d412368.exe

  • Size

    255KB

  • MD5

    ecfde23c75e33aad92c20b7fe535b92e

  • SHA1

    630b48eb74a236cc895d2232964c76a31e5a4778

  • SHA256

    e21184d50b8d40e1db2241bf12830005d30e683e8a543f0b4675e0249d412368

  • SHA512

    644f92ec1c7094afea1ebf98fe6870fbc63ec4964197e8a7460f394e5c01f02debc5b79ae51a4fac3bfd1087833ece99d2bf3c79827a91d75a3123da649fb706

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJf:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIu

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Modifies Installed Components in the registry 2 TTPs 3 IoCs
  • UPX packed file 36 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 57 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e21184d50b8d40e1db2241bf12830005d30e683e8a543f0b4675e0249d412368.exe
    "C:\Users\Admin\AppData\Local\Temp\e21184d50b8d40e1db2241bf12830005d30e683e8a543f0b4675e0249d412368.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\rlotzvczix.exe
      rlotzvczix.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\SysWOW64\lcerxkpa.exe
        C:\Windows\system32\lcerxkpa.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:1012
    • C:\Windows\SysWOW64\wziidwryqoceyqu.exe
      wziidwryqoceyqu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c nshfxndnczujy.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Windows\SysWOW64\nshfxndnczujy.exe
          nshfxndnczujy.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          PID:1008
    • C:\Windows\SysWOW64\lcerxkpa.exe
      lcerxkpa.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:560
    • C:\Windows\SysWOW64\nshfxndnczujy.exe
      nshfxndnczujy.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:656
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1576
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1640
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x58c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1100
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1716
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

    Filesize

    255KB

    MD5

    22f2add3625a2cfed8d6f1ba1f542c88

    SHA1

    b70d51fa38c190ffd064f0bec57a497b49c419bf

    SHA256

    0b0fef7bf8371d97530da35811e9ab7ec1c77eedde297d70c61dbc3e58dfeceb

    SHA512

    5b95dad75c4fd8138f612d367d66fab300439211bac11752c965e8d2ecd9d636180c2a9fd913e11a16895b0472d4bccbc4ae9fb5c7c902700b0744a1173edaaf

  • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

    Filesize

    255KB

    MD5

    0927e99f81349816fbf0f4770b520e54

    SHA1

    7d129ffbe70a5b1762968d0c21238203b574bf8a

    SHA256

    e97ed5ff09a4cfb368b7c6587d6a7d45b650c40247a46ecb198c5c3233622642

    SHA512

    cf4d6b672123b99340503310003e5ac77c0786b8992267d7daa57c5f9a83e7fe5ea9ddca829e5a2e0e025bc0af5d33fe78e6d4aaec52e7214952f94b3a9dba03

  • C:\Users\Admin\Documents\UnblockDisconnect.doc.exe

    Filesize

    255KB

    MD5

    f8800ce74e4291f2024d141cde79d311

    SHA1

    e7efb89825ad699b525e79f0b380059d39dd164e

    SHA256

    550f600601981dd082040f01981f79e8a4ef5ad4e2cf12e43cddd4c681aca217

    SHA512

    29af71d539a470ab4286a9b4d1b87dd1d392bdf9db488d2e8bb80ebc8d9bf1268cded070c337e0744f867824279d02a4a629b9396ad819fa68461241ccb413eb

  • C:\Users\Admin\Documents\UseFind.doc.exe

    Filesize

    255KB

    MD5

    2a11b0cfefcba0e2789df3d5c03a2b05

    SHA1

    921bdb81faf00cb11626a5e3bc06714f5858abb8

    SHA256

    df271cdcd24824ca89a52520fa05439a1bd9139be684184b2069ff79a546253d

    SHA512

    9834d367f9cf25aa86a4ef2bcb075b55661a2f189dd1fc2a544c9476361a92354916e74fb7ad3e2209b6f45adb83573af3ef6bb2e8f7c9a2c3dc0c597242cd58

  • C:\Windows\SysWOW64\lcerxkpa.exe

    Filesize

    255KB

    MD5

    e3bad3e18d1a6a772722f59961a0b8a4

    SHA1

    1e632adc821c6c3fbc6913334982ff899cb40485

    SHA256

    284a87f07128b2539235b5514b0ca425225e25ed41f222ff737440493c2ec106

    SHA512

    4dd815fbeab2e09a19ccbd8489cf2c335c0816b62cd53cb5f2b577fbdd53bec1dde45134764a40e87c5a118a6afce740e56c20b66000fc202d5a4aae6df39d6a

  • C:\Windows\SysWOW64\lcerxkpa.exe

    Filesize

    255KB

    MD5

    e3bad3e18d1a6a772722f59961a0b8a4

    SHA1

    1e632adc821c6c3fbc6913334982ff899cb40485

    SHA256

    284a87f07128b2539235b5514b0ca425225e25ed41f222ff737440493c2ec106

    SHA512

    4dd815fbeab2e09a19ccbd8489cf2c335c0816b62cd53cb5f2b577fbdd53bec1dde45134764a40e87c5a118a6afce740e56c20b66000fc202d5a4aae6df39d6a

  • C:\Windows\SysWOW64\lcerxkpa.exe

    Filesize

    255KB

    MD5

    e3bad3e18d1a6a772722f59961a0b8a4

    SHA1

    1e632adc821c6c3fbc6913334982ff899cb40485

    SHA256

    284a87f07128b2539235b5514b0ca425225e25ed41f222ff737440493c2ec106

    SHA512

    4dd815fbeab2e09a19ccbd8489cf2c335c0816b62cd53cb5f2b577fbdd53bec1dde45134764a40e87c5a118a6afce740e56c20b66000fc202d5a4aae6df39d6a

  • C:\Windows\SysWOW64\nshfxndnczujy.exe

    Filesize

    255KB

    MD5

    7eea78260bb04e08d9b8ef930c06319c

    SHA1

    a7615d923310c4da9d6377d031a90902d1c35856

    SHA256

    f160474141aa66e1d5c71a753b36f4898d0e4b8b92f4e823cb736f968adbc293

    SHA512

    8cd2ac3b6ae94611d251d36c0bdfe1db9723b7f00e7bbe74c4b338150e9da35424df2460211ebb64dc8f8bf8bacd82930cefb231f6028885feeb3f484dc575a1

  • C:\Windows\SysWOW64\nshfxndnczujy.exe

    Filesize

    255KB

    MD5

    7eea78260bb04e08d9b8ef930c06319c

    SHA1

    a7615d923310c4da9d6377d031a90902d1c35856

    SHA256

    f160474141aa66e1d5c71a753b36f4898d0e4b8b92f4e823cb736f968adbc293

    SHA512

    8cd2ac3b6ae94611d251d36c0bdfe1db9723b7f00e7bbe74c4b338150e9da35424df2460211ebb64dc8f8bf8bacd82930cefb231f6028885feeb3f484dc575a1

  • C:\Windows\SysWOW64\nshfxndnczujy.exe

    Filesize

    255KB

    MD5

    7eea78260bb04e08d9b8ef930c06319c

    SHA1

    a7615d923310c4da9d6377d031a90902d1c35856

    SHA256

    f160474141aa66e1d5c71a753b36f4898d0e4b8b92f4e823cb736f968adbc293

    SHA512

    8cd2ac3b6ae94611d251d36c0bdfe1db9723b7f00e7bbe74c4b338150e9da35424df2460211ebb64dc8f8bf8bacd82930cefb231f6028885feeb3f484dc575a1

  • C:\Windows\SysWOW64\rlotzvczix.exe

    Filesize

    255KB

    MD5

    8d7bcb2f9945bfb0bbbb7c228dee4abf

    SHA1

    1909b8967e067fd44bab2f2471ae0711de6c7f7b

    SHA256

    3398104e3d079baa80aed977c67aa0f30c62354a9fed2174807a526bf0f721b6

    SHA512

    daadd82e7c874f731821739ec1ff1eced20df07cc788cee80f3879934bb4ed646faced045d2ee6f1fdec8ac3d6dffeeb24aae223e19c9868ba536d1acde2d688

  • C:\Windows\SysWOW64\rlotzvczix.exe

    Filesize

    255KB

    MD5

    8d7bcb2f9945bfb0bbbb7c228dee4abf

    SHA1

    1909b8967e067fd44bab2f2471ae0711de6c7f7b

    SHA256

    3398104e3d079baa80aed977c67aa0f30c62354a9fed2174807a526bf0f721b6

    SHA512

    daadd82e7c874f731821739ec1ff1eced20df07cc788cee80f3879934bb4ed646faced045d2ee6f1fdec8ac3d6dffeeb24aae223e19c9868ba536d1acde2d688

  • C:\Windows\SysWOW64\wziidwryqoceyqu.exe

    Filesize

    255KB

    MD5

    10a4e856a5e1d82642138d2ff95a7d34

    SHA1

    ca2482dbec13e25692241f741e181d562058e3c7

    SHA256

    c7d3a479fb4734b0fa0b8ea629bcb94fc5665a8a9a5f41920fbab32efec1d34e

    SHA512

    a55273301ccbe1090620bf3e438571eedfab1b3eb343ca1314cbe1d8eb051ac2c35ca3e15387faca77dc68072f35c36315c01978e3338a08bf6a7e91febfa36a

  • C:\Windows\SysWOW64\wziidwryqoceyqu.exe

    Filesize

    255KB

    MD5

    10a4e856a5e1d82642138d2ff95a7d34

    SHA1

    ca2482dbec13e25692241f741e181d562058e3c7

    SHA256

    c7d3a479fb4734b0fa0b8ea629bcb94fc5665a8a9a5f41920fbab32efec1d34e

    SHA512

    a55273301ccbe1090620bf3e438571eedfab1b3eb343ca1314cbe1d8eb051ac2c35ca3e15387faca77dc68072f35c36315c01978e3338a08bf6a7e91febfa36a

  • C:\Windows\mydoc.rtf

    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

  • \Windows\SysWOW64\lcerxkpa.exe

    Filesize

    255KB

    MD5

    e3bad3e18d1a6a772722f59961a0b8a4

    SHA1

    1e632adc821c6c3fbc6913334982ff899cb40485

    SHA256

    284a87f07128b2539235b5514b0ca425225e25ed41f222ff737440493c2ec106

    SHA512

    4dd815fbeab2e09a19ccbd8489cf2c335c0816b62cd53cb5f2b577fbdd53bec1dde45134764a40e87c5a118a6afce740e56c20b66000fc202d5a4aae6df39d6a

  • \Windows\SysWOW64\lcerxkpa.exe

    Filesize

    255KB

    MD5

    e3bad3e18d1a6a772722f59961a0b8a4

    SHA1

    1e632adc821c6c3fbc6913334982ff899cb40485

    SHA256

    284a87f07128b2539235b5514b0ca425225e25ed41f222ff737440493c2ec106

    SHA512

    4dd815fbeab2e09a19ccbd8489cf2c335c0816b62cd53cb5f2b577fbdd53bec1dde45134764a40e87c5a118a6afce740e56c20b66000fc202d5a4aae6df39d6a

  • \Windows\SysWOW64\nshfxndnczujy.exe

    Filesize

    255KB

    MD5

    7eea78260bb04e08d9b8ef930c06319c

    SHA1

    a7615d923310c4da9d6377d031a90902d1c35856

    SHA256

    f160474141aa66e1d5c71a753b36f4898d0e4b8b92f4e823cb736f968adbc293

    SHA512

    8cd2ac3b6ae94611d251d36c0bdfe1db9723b7f00e7bbe74c4b338150e9da35424df2460211ebb64dc8f8bf8bacd82930cefb231f6028885feeb3f484dc575a1

  • \Windows\SysWOW64\nshfxndnczujy.exe

    Filesize

    255KB

    MD5

    7eea78260bb04e08d9b8ef930c06319c

    SHA1

    a7615d923310c4da9d6377d031a90902d1c35856

    SHA256

    f160474141aa66e1d5c71a753b36f4898d0e4b8b92f4e823cb736f968adbc293

    SHA512

    8cd2ac3b6ae94611d251d36c0bdfe1db9723b7f00e7bbe74c4b338150e9da35424df2460211ebb64dc8f8bf8bacd82930cefb231f6028885feeb3f484dc575a1

  • \Windows\SysWOW64\rlotzvczix.exe

    Filesize

    255KB

    MD5

    8d7bcb2f9945bfb0bbbb7c228dee4abf

    SHA1

    1909b8967e067fd44bab2f2471ae0711de6c7f7b

    SHA256

    3398104e3d079baa80aed977c67aa0f30c62354a9fed2174807a526bf0f721b6

    SHA512

    daadd82e7c874f731821739ec1ff1eced20df07cc788cee80f3879934bb4ed646faced045d2ee6f1fdec8ac3d6dffeeb24aae223e19c9868ba536d1acde2d688

  • \Windows\SysWOW64\wziidwryqoceyqu.exe

    Filesize

    255KB

    MD5

    10a4e856a5e1d82642138d2ff95a7d34

    SHA1

    ca2482dbec13e25692241f741e181d562058e3c7

    SHA256

    c7d3a479fb4734b0fa0b8ea629bcb94fc5665a8a9a5f41920fbab32efec1d34e

    SHA512

    a55273301ccbe1090620bf3e438571eedfab1b3eb343ca1314cbe1d8eb051ac2c35ca3e15387faca77dc68072f35c36315c01978e3338a08bf6a7e91febfa36a

  • memory/560-88-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/560-114-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/560-108-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/656-89-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/656-109-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/936-86-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/936-106-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1008-90-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1008-110-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1012-115-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1012-91-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1012-111-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1368-84-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1368-93-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1368-85-0x0000000002F90000-0x0000000003030000-memory.dmp

    Filesize

    640KB

  • memory/1368-54-0x0000000076461000-0x0000000076463000-memory.dmp

    Filesize

    8KB

  • memory/1576-94-0x0000000072641000-0x0000000072644000-memory.dmp

    Filesize

    12KB

  • memory/1576-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1576-95-0x00000000700C1000-0x00000000700C3000-memory.dmp

    Filesize

    8KB

  • memory/1576-98-0x00000000710AD000-0x00000000710B8000-memory.dmp

    Filesize

    44KB

  • memory/1576-112-0x00000000710AD000-0x00000000710B8000-memory.dmp

    Filesize

    44KB

  • memory/1640-100-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

    Filesize

    8KB

  • memory/1868-107-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB

  • memory/1868-87-0x0000000000400000-0x00000000004A0000-memory.dmp

    Filesize

    640KB