Analysis

  • max time kernel
    150s
  • max time network
    131s
  • 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, 04:40

General

  • Target

    568f5736e8fd914744ac7bdee235405bdab7510696ed814e38012909a3f7758f.xls

  • Size

    217KB

  • MD5

    b83e18e69a44493b6f9db4340db0c97d

  • SHA1

    25c5a79691ab3035e538fbbb212d4c344dc3d612

  • SHA256

    568f5736e8fd914744ac7bdee235405bdab7510696ed814e38012909a3f7758f

  • SHA512

    1176d5270ec7897e2c1c60f95913f77132675e17920cca975ba36e4f3bb63f88c22133533642bb1c69e03057a604ada213dd397ef0fcc3f918c6926852d6e643

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7pnT:1bGUMVWlbZ

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/

xlm40.dropper

http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/

xlm40.dropper

http://sourcecool.com/throng/iOD/

xlm40.dropper

http://www.stickers-et-deco.com/Adapter/lYw/

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 2 IoCs
  • Adds Run key to start application 2 TTPs 4 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 12 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 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\568f5736e8fd914744ac7bdee235405bdab7510696ed814e38012909a3f7758f.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5104
    • 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:4728
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RLAVZHSxixKUooK\PNAYkVsiMN.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4920
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1628
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1824
    • 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:1400
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VLhWsOwozxyDaErf\gHwVCSvoHYhbw.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    745KB

    MD5

    cbb4d045b5975525356b7d0da3db4796

    SHA1

    22f36c3148918eca776997f27e81d8c1e9ab145d

    SHA256

    3e131fb692a29149b7eeb65912e4dcb0079d1b5063e5e863f3ef9e64e4816b7d

    SHA512

    8eda2bfba567017e2c9dd941cb8dd1b9316cf097ed5d67e89c04846c345c8048d66c339267c3c6ee78b5d1fc42eb1bcc8a168105eb465d5088c5a286fcbde13a

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    745KB

    MD5

    1c98508b72ba2fb0d55b0a6bd7721fb7

    SHA1

    bb92f92e3232c1e0604bf8dd8fae05a94e4335d0

    SHA256

    446e2b5a95236e1d5f463621621a7cdb03f6c3f1823145da747fdc1138c0c28c

    SHA512

    6e56d08bdf78e7499aa14fbcf3edd6b27c7aa2e76c3da20ad942055ddbf3f0de5f8ded697ed5004b68d7f03a642f96eb966a47810c273a63577c77472c18d54d

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    745KB

    MD5

    cbb4d045b5975525356b7d0da3db4796

    SHA1

    22f36c3148918eca776997f27e81d8c1e9ab145d

    SHA256

    3e131fb692a29149b7eeb65912e4dcb0079d1b5063e5e863f3ef9e64e4816b7d

    SHA512

    8eda2bfba567017e2c9dd941cb8dd1b9316cf097ed5d67e89c04846c345c8048d66c339267c3c6ee78b5d1fc42eb1bcc8a168105eb465d5088c5a286fcbde13a

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    745KB

    MD5

    1c98508b72ba2fb0d55b0a6bd7721fb7

    SHA1

    bb92f92e3232c1e0604bf8dd8fae05a94e4335d0

    SHA256

    446e2b5a95236e1d5f463621621a7cdb03f6c3f1823145da747fdc1138c0c28c

    SHA512

    6e56d08bdf78e7499aa14fbcf3edd6b27c7aa2e76c3da20ad942055ddbf3f0de5f8ded697ed5004b68d7f03a642f96eb966a47810c273a63577c77472c18d54d

  • memory/4728-274-0x0000000180000000-0x000000018002F000-memory.dmp

    Filesize

    188KB

  • memory/5104-115-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB

  • memory/5104-128-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

    Filesize

    64KB

  • memory/5104-127-0x00007FFC722E0000-0x00007FFC722F0000-memory.dmp

    Filesize

    64KB

  • memory/5104-118-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB

  • memory/5104-117-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB

  • memory/5104-116-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB

  • memory/5104-331-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB

  • memory/5104-332-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB

  • memory/5104-333-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB

  • memory/5104-334-0x00007FFC75C00000-0x00007FFC75C10000-memory.dmp

    Filesize

    64KB