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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/11/2022, 11:45

General

  • Target

    e8085fda85865155aa942efb04e789962791ca7d0338216674a8e28c1e1a60ae.xls

  • Size

    217KB

  • MD5

    bc33b79e5ae05e7611a77449a9538610

  • SHA1

    9cac3606f7e4d5a693d53e4b0ba239a26d27a536

  • SHA256

    e8085fda85865155aa942efb04e789962791ca7d0338216674a8e28c1e1a60ae

  • SHA512

    f5ab02ba498e0a2ef0b0c3753ea7eea15a894efb63a3bee81eeb4ef0b489c5a260fe3d2a5cceb19be630ec629769e744c5a83ad8d03db4d91700c864b4d1d9c5

  • SSDEEP

    6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmG:bbGUMVWlbG

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://cursosinterativos.com.br/semprichickoff2/pEl/

xlm40.dropper

http://mulmatdol.com/adm/Fa/

xlm40.dropper

http://www.tugarden.com/docs/csv_import/rf6bMPAtbBPiDK/

xlm40.dropper

http://www.darularqompatean.com/asq/IcVMFfwR65Yf8fMd5G/

Extracted

Family

emotet

Botnet

Epoch4

C2

45.235.8.30:8080

94.23.45.86:4143

119.59.103.152:8080

169.60.181.70:8080

164.68.99.3:8080

172.105.226.75:8080

107.170.39.149:8080

206.189.28.199:8080

1.234.2.232:8080

188.44.20.25:443

186.194.240.217:443

103.43.75.120:443

149.28.143.92:443

159.89.202.34:443

209.97.163.214:443

183.111.227.137:8080

129.232.188.93:443

139.59.126.41:443

110.232.117.186:8080

139.59.56.73:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e8085fda85865155aa942efb04e789962791ca7d0338216674a8e28c1e1a60ae.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4444
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VHybpjKgUGKjDII\BiMEsWNjzHTltTUa.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4704
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4904
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TlyYlhaUMWpDLPP\uauqEHiUfXeRD.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:5112
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5008
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FKauITcIwaLOcAL\FUHAwukwtEuAYyE.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:5052
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:356
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CgIbBMNBtlEeH\spekMdLmAaqsi.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    529KB

    MD5

    475b778563790430f30ddf9b05c6e0a3

    SHA1

    47977ed3b8ab508059c2a4acb27b041108de75ea

    SHA256

    c426f9d6c8f8410d37431d93c7eee26b18eb052ab0334b138f010347bfc1d983

    SHA512

    98b144798f18723348138074d15e9e36b96401fb61ef6d69a43a4b3997e8cbfbb9ebdf0b996e3d0aedc4d64a5e16a86cbdfe831fa30675abf714104492e5bbda

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    529KB

    MD5

    9936fa6576f6ba02d1d96357f3aac9cc

    SHA1

    3c7222a2023c0ee5f8428c63f78d563a79de1af2

    SHA256

    371f264c56935dbd1fab2eb7091c1540179eafc2fb271cccd4430262d36492f8

    SHA512

    31947107cf8072009f8f21c172cfc25905d2f90e37d1e0aff5f5455df3ea4756487cd92261a9e6f9d5b5a0b614e8270dfe31a4ba03fb03794e7688a11a604796

  • C:\Users\Admin\oxnv3.ooccxx

    Filesize

    529KB

    MD5

    9403aff61752fe527cc2a37668159a83

    SHA1

    0ac191c7305313fdcb88cc7f4748fcf6a77aeb3f

    SHA256

    9eb753b1a1a3f74e9ad3de4edc0950c06aae8922477127eedc7949c73793ecce

    SHA512

    dc4525a8f3c528d78a019292e10c0a8f885eb503ac37620f81ad178c018a24306d104c84b8f1a6700bff840d07cadaee1cada4c2edaa17792af1041cd369119d

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    529KB

    MD5

    427fea29b64e5664dee117bb2241ca97

    SHA1

    b1a2439b2da6cbf77cd33362104972051a76648d

    SHA256

    14677b1d0f14aa9dda095744ddc26f92e85535df3262b82d831ec4d1c164fe6a

    SHA512

    4f06d75ccde8e7210cdd51c7a6a54b0cbdc6cacfa4097b19d2f3bd2972971d580c63d6b17f7e526bd5e5d10973aeae1cf597bc3f473d9be573b00a8021a45ad0

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    529KB

    MD5

    475b778563790430f30ddf9b05c6e0a3

    SHA1

    47977ed3b8ab508059c2a4acb27b041108de75ea

    SHA256

    c426f9d6c8f8410d37431d93c7eee26b18eb052ab0334b138f010347bfc1d983

    SHA512

    98b144798f18723348138074d15e9e36b96401fb61ef6d69a43a4b3997e8cbfbb9ebdf0b996e3d0aedc4d64a5e16a86cbdfe831fa30675abf714104492e5bbda

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    529KB

    MD5

    9936fa6576f6ba02d1d96357f3aac9cc

    SHA1

    3c7222a2023c0ee5f8428c63f78d563a79de1af2

    SHA256

    371f264c56935dbd1fab2eb7091c1540179eafc2fb271cccd4430262d36492f8

    SHA512

    31947107cf8072009f8f21c172cfc25905d2f90e37d1e0aff5f5455df3ea4756487cd92261a9e6f9d5b5a0b614e8270dfe31a4ba03fb03794e7688a11a604796

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    529KB

    MD5

    9403aff61752fe527cc2a37668159a83

    SHA1

    0ac191c7305313fdcb88cc7f4748fcf6a77aeb3f

    SHA256

    9eb753b1a1a3f74e9ad3de4edc0950c06aae8922477127eedc7949c73793ecce

    SHA512

    dc4525a8f3c528d78a019292e10c0a8f885eb503ac37620f81ad178c018a24306d104c84b8f1a6700bff840d07cadaee1cada4c2edaa17792af1041cd369119d

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    529KB

    MD5

    427fea29b64e5664dee117bb2241ca97

    SHA1

    b1a2439b2da6cbf77cd33362104972051a76648d

    SHA256

    14677b1d0f14aa9dda095744ddc26f92e85535df3262b82d831ec4d1c164fe6a

    SHA512

    4f06d75ccde8e7210cdd51c7a6a54b0cbdc6cacfa4097b19d2f3bd2972971d580c63d6b17f7e526bd5e5d10973aeae1cf597bc3f473d9be573b00a8021a45ad0

  • memory/2672-120-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/2672-123-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/2672-133-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

    Filesize

    64KB

  • memory/2672-132-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

    Filesize

    64KB

  • memory/2672-122-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/2672-121-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/4444-278-0x0000000002550000-0x000000000257F000-memory.dmp

    Filesize

    188KB