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Analysis

  • max time kernel
    101s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/11/2022, 13:00

General

  • Target

    0fced68bc308c3a838074eb37d88ed527242969acb9c91b4e57035e23c1f3626.xls

  • Size

    217KB

  • MD5

    a90983538a479d34a05dc89f1c7ec880

  • SHA1

    e0d2a0835a0330c60afb4fc0445cd26fd10d7f12

  • SHA256

    0fced68bc308c3a838074eb37d88ed527242969acb9c91b4e57035e23c1f3626

  • SHA512

    591c3f0d9e871d300f1d1c04f8de629f8caefd3db7ca9194fbc46530fa6f774120f5580d940347f1fc1b10bea383618d0ea098ab2ac59b84f1a695ff6b96ef35

  • 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 3 IoCs
  • Adds Run key to start application 2 TTPs 6 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 18 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 14 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\0fced68bc308c3a838074eb37d88ed527242969acb9c91b4e57035e23c1f3626.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:2252
    • 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:3184
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NoRnoHHCdveclN\PfLmyfzsfSq.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4428
    • 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:4604
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CWkyn\FUVHvnLGGXO.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:996
    • 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:3928
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UpLIzcuSTsvkmX\uFSBGrEFyyCMDo.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    529KB

    MD5

    c88287dc1f3d44bb8fe14299ebef24a2

    SHA1

    19c4d911ee3359b529d89ac2e6d52cd9ba6ce79e

    SHA256

    1d863180c7be63992c5e71e14992e76116ee9e8bb99564704cca845b0a67ebd3

    SHA512

    06e7d98c957517c12c8ee4d5f8112ac26d63d776f641b084058b7365c521d1d6e622e7810bb34096f677299137eead34f6beba8f7a245e2411d3d5c842b25b39

  • C:\Users\Admin\oxnv3.ooccxx

    Filesize

    529KB

    MD5

    a7b608e73ad2da93af02c03e75ef16af

    SHA1

    74ec3e0f87e001bfdaca5d57c1e42f026a45c67a

    SHA256

    6aa600041f014052c3fb88385354870a8f58ca78c7372bf7602618832af34a95

    SHA512

    a1993f97fe40fdd18adadddec871bfdfefa6207ce0c8efd2bb89c9a6a9de34a0646b5584a64e2672e2e2b886cd1afcf59d71787ff33a9c7160814ca1880b19f2

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    529KB

    MD5

    8d264b2994d70cac82b4f9729f9e4386

    SHA1

    9f802104e06922c3b6f594141fa03404329ce967

    SHA256

    3a184f22341bcaec1aeee8676044f696b9ca40845dc40b049e3792428f0d7df8

    SHA512

    57feceeb9718d06c8e9639f7bc9603f60da2dfb33ddd8825eeb294c622c21de485599e992517be5e06a1a9ed9bf7e2729d6be60218e6cf200c75acd95401d3c6

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    529KB

    MD5

    c88287dc1f3d44bb8fe14299ebef24a2

    SHA1

    19c4d911ee3359b529d89ac2e6d52cd9ba6ce79e

    SHA256

    1d863180c7be63992c5e71e14992e76116ee9e8bb99564704cca845b0a67ebd3

    SHA512

    06e7d98c957517c12c8ee4d5f8112ac26d63d776f641b084058b7365c521d1d6e622e7810bb34096f677299137eead34f6beba8f7a245e2411d3d5c842b25b39

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    529KB

    MD5

    a7b608e73ad2da93af02c03e75ef16af

    SHA1

    74ec3e0f87e001bfdaca5d57c1e42f026a45c67a

    SHA256

    6aa600041f014052c3fb88385354870a8f58ca78c7372bf7602618832af34a95

    SHA512

    a1993f97fe40fdd18adadddec871bfdfefa6207ce0c8efd2bb89c9a6a9de34a0646b5584a64e2672e2e2b886cd1afcf59d71787ff33a9c7160814ca1880b19f2

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    529KB

    MD5

    8d264b2994d70cac82b4f9729f9e4386

    SHA1

    9f802104e06922c3b6f594141fa03404329ce967

    SHA256

    3a184f22341bcaec1aeee8676044f696b9ca40845dc40b049e3792428f0d7df8

    SHA512

    57feceeb9718d06c8e9639f7bc9603f60da2dfb33ddd8825eeb294c622c21de485599e992517be5e06a1a9ed9bf7e2729d6be60218e6cf200c75acd95401d3c6

  • memory/2716-118-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/2716-117-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/2716-352-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/2716-351-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/2716-116-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/2716-129-0x00007FF7CA190000-0x00007FF7CA1A0000-memory.dmp

    Filesize

    64KB

  • memory/2716-350-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/2716-119-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/2716-128-0x00007FF7CA190000-0x00007FF7CA1A0000-memory.dmp

    Filesize

    64KB

  • memory/2716-349-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

    Filesize

    64KB

  • memory/3184-284-0x0000000002D30000-0x0000000002D5F000-memory.dmp

    Filesize

    188KB