Analysis

  • max time kernel
    134s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2023 20:58

General

  • Target

    2203.one

  • Size

    261KB

  • MD5

    1885cfae4d600420aaf4b381ee6a2b8c

  • SHA1

    6b940741cb1ffb1dec18df4af3c15454e4551007

  • SHA256

    e7135fd5df0d4c09081b26d50d39dca6e23e63c0149ff4d09dcd0de4e6991f7b

  • SHA512

    19ab053af0ebc8e9e137f7eafe631b20bc23d0f62ae8ae75936eb911f5afa8640bf6994e0a78cc104204a7c81d518aeeb7786cf63e7ad9d1f6f19b261c3f3302

  • SSDEEP

    3072:xXzeHrBwsHzUfxJ3mY2IsGllOb3HPWaBtOzUfxJ3mY2IsGllOb3HPWaBtuXN:FeHrBwsYXm5ZGa3vRXm5ZGa3vo

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE" "C:\Users\Admin\AppData\Local\Temp\2203.one"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{F77A1B6A-1CB1-4E19-92AB-5B419F3F8CB9}\NT\0\press to unblock document.vbs"
      2⤵
      • Process spawned unexpected child process
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4004
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //E:vbscript C:\Users\Admin\AppData\Local\Temp\rad4904878A0darrad62AF5F6DAdar.txt
        3⤵
        • Blocklisted process makes network request
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\Windows\System32\regsvr32.exe
          "C:\Windows\System32\regsvr32.exe" "C:\Users\Admin\AppData\Local\Temp\rad2F0338FAAdar\IlRKOEJjrXrYmguyv3q.dll"
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2688
          • C:\Windows\system32\regsvr32.exe
            C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TTUVB\rVIhFQGALgXERw.dll"
            5⤵
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            PID:4876

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BL.bin
    Filesize

    89KB

    MD5

    7559f0ff4f7e58ed031fe0b4438f4c57

    SHA1

    e2225573a8877c057319e10029fd85b0a51375a8

    SHA256

    73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2

    SHA512

    252d0a52c3b7bca5ea56a14c7ad1e27967b03e3dccfc3b8d79b8e1c474ed625937719af314e74f62583c708b45b937091e8fae7f1e40e56bf261d0f839f94e4a

  • C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BM.bin
    Filesize

    75KB

    MD5

    f776dd0f1ae059fcf295ade6c5495080

    SHA1

    ed270bfe2edb7e571ba4acf4b4088aa2a111e57e

    SHA256

    2130a3bc8050310a7474be0b17a4ea8584e2105cb17316cb463d732665745749

    SHA512

    2558ab6465af8a782ad02295744cd2d554d03c1ee7aa1689f13e3507a0cec4e73b9f86d1ec9aef346b831ab58758285a8ceda63dc0f834e1378dfa0504490f65

  • C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BO.bin
    Filesize

    567B

    MD5

    d055ce625528e448c61315eaaef5bb71

    SHA1

    029df4c872b1c154f32e7fe94f434547c3ba6192

    SHA256

    85bf1e672b4e86e9af0c7874681ec9620dfdc78e0335b83eef38c17d813b6705

    SHA512

    705b6b729e967fa946469571109aa892f5cb55a01c74d40ae02140d10cbf9b65dd5e511c06ebfe494e407742f8c6f4fbbe88664b78b37abfb2f19db1f66f4247

  • C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{F77A1B6A-1CB1-4E19-92AB-5B419F3F8CB9}\NT\0\press to unblock document.vbs
    Filesize

    89KB

    MD5

    7559f0ff4f7e58ed031fe0b4438f4c57

    SHA1

    e2225573a8877c057319e10029fd85b0a51375a8

    SHA256

    73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2

    SHA512

    252d0a52c3b7bca5ea56a14c7ad1e27967b03e3dccfc3b8d79b8e1c474ed625937719af314e74f62583c708b45b937091e8fae7f1e40e56bf261d0f839f94e4a

  • C:\Users\Admin\AppData\Local\Temp\rad2F0338FAAdar\IlRKOEJjrXrYmguyv3q.dll
    Filesize

    516.9MB

    MD5

    63ab0ab1ed4483ad09ce0c0402acb55e

    SHA1

    d7185996c898eedb205467e6b6f73030c2baf5ce

    SHA256

    f2616d392cbea6cb86883ce42b7ed0856823c2812e49b334346d7aec8a950e5c

    SHA512

    e1b6425ff2bf945a06bf1a6a6509bc43ae583cdd4f91abdd3aa5c8ce66ee2c7da7f2b5128fd6e900aec0f1f411390df2fdbafd51ccda07d89a0e1ec3ab853448

  • C:\Users\Admin\AppData\Local\Temp\rad2F0338FAAdar\IlRKOEJjrXrYmguyv3q.dll
    Filesize

    516.9MB

    MD5

    63ab0ab1ed4483ad09ce0c0402acb55e

    SHA1

    d7185996c898eedb205467e6b6f73030c2baf5ce

    SHA256

    f2616d392cbea6cb86883ce42b7ed0856823c2812e49b334346d7aec8a950e5c

    SHA512

    e1b6425ff2bf945a06bf1a6a6509bc43ae583cdd4f91abdd3aa5c8ce66ee2c7da7f2b5128fd6e900aec0f1f411390df2fdbafd51ccda07d89a0e1ec3ab853448

  • C:\Users\Admin\AppData\Local\Temp\rad4904878A0darrad62AF5F6DAdar.txt
    Filesize

    61KB

    MD5

    958eb4fa0bfca295216cd6027977fcb8

    SHA1

    0bc88fb4229a73152b2c33750dd5b5be52fcf287

    SHA256

    9b32ca5d8a34ae2351bc68500fb6929468c42d0ddda53fba5676410beab6d498

    SHA512

    4e4e2d84ce82eaa222180e86a2feaa7fdb19108d227ca922c69d30e30ef1ed463c41d540c25f604edd04be86f8490ae8570d2b67a97e0f9f45d048954d32787f

  • C:\Users\Admin\AppData\Local\Temp\rad7100D.tmp.zip
    Filesize

    956KB

    MD5

    2fa414413e56d964e9b0fa88adbcb775

    SHA1

    62b93f22e31779427b085a4147765b2b95194e5e

    SHA256

    a88966898d5e7b584ee3eaba5e32fd1ceeb755e7a7bf456d15d64f6cf3953310

    SHA512

    a99ce5a15cf05df928cc106149b356658e877333ff729d03a7af575075f2290e720cff373bd01ce99222aeacb5ed49538416876e8fe2432c3bf8da8b7b333a1b

  • C:\Windows\System32\TTUVB\rVIhFQGALgXERw.dll
    Filesize

    516.9MB

    MD5

    63ab0ab1ed4483ad09ce0c0402acb55e

    SHA1

    d7185996c898eedb205467e6b6f73030c2baf5ce

    SHA256

    f2616d392cbea6cb86883ce42b7ed0856823c2812e49b334346d7aec8a950e5c

    SHA512

    e1b6425ff2bf945a06bf1a6a6509bc43ae583cdd4f91abdd3aa5c8ce66ee2c7da7f2b5128fd6e900aec0f1f411390df2fdbafd51ccda07d89a0e1ec3ab853448

  • memory/2688-223-0x0000000002550000-0x00000000025AA000-memory.dmp
    Filesize

    360KB

  • memory/2688-227-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
    Filesize

    4KB

  • memory/4392-139-0x00007FF995E50000-0x00007FF995E60000-memory.dmp
    Filesize

    64KB

  • memory/4392-138-0x00007FF995E50000-0x00007FF995E60000-memory.dmp
    Filesize

    64KB

  • memory/4392-137-0x00007FF9987B0000-0x00007FF9987C0000-memory.dmp
    Filesize

    64KB

  • memory/4392-136-0x00007FF9987B0000-0x00007FF9987C0000-memory.dmp
    Filesize

    64KB

  • memory/4392-133-0x00007FF9987B0000-0x00007FF9987C0000-memory.dmp
    Filesize

    64KB

  • memory/4392-134-0x00007FF9987B0000-0x00007FF9987C0000-memory.dmp
    Filesize

    64KB

  • memory/4392-135-0x00007FF9987B0000-0x00007FF9987C0000-memory.dmp
    Filesize

    64KB