Resubmissions

23-03-2023 21:55

230323-1sssfsad57 10

23-03-2023 21:50

230323-1pzftscd2z 10

Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2023 21:50

General

  • Target

    Invoice_999999999_24_March.one

  • Size

    270KB

  • MD5

    367d75746ef2cb2e15088e746c9f9ac5

  • SHA1

    1da5db185bb0210bf911f64eb7d390a7f01d9eba

  • SHA256

    e05626252bc586d64b802b5157e2e1d6053c5cfe4423a46bbc8a5eecb982dba8

  • SHA512

    acd21975e69d443c4cc6d23c1e7f98f5e0b6b8294f1f44f0fdbbd2cbbccd591e577d0495d1a595d2d88f79a0b8eb875256d4257981a897cc5e10ff7dce52bb65

  • SSDEEP

    3072:Q25h7OdS2cokRMkxS8qDAHJhorHBsNZqHqbuh7jGMkVh7Ufqjx3RFtDGY6Bbh7lo:QH2Zf2gXm5ZGa3vRXm5ZGa3vx

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
  • 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\Invoice_999999999_24_March.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:4592
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{4FD6A56C-C8CC-43F5-AC2A-7D4E1AFEB4E9}\NT\0\press to unblock document.vbs"
      2⤵
      • Process spawned unexpected child process
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3856
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //E:vbscript C:\Users\Admin\AppData\Local\Temp\rad93B9514C6darrad923AD376Adar.txt
        3⤵
        • Blocklisted process makes network request
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:628
        • C:\Windows\System32\regsvr32.exe
          "C:\Windows\System32\regsvr32.exe" "C:\Users\Admin\AppData\Local\Temp\radBC341873Adar\I7BUGMOAp1mnW79z5M0bLi0WI5oFMy2wIqc.dll"
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3776
          • C:\Windows\system32\regsvr32.exe
            C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AMchyHq\NeKgtnlgplpdRpA.dll"
            5⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            PID:2188

Network

MITRE ATT&CK Matrix ATT&CK v6

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

    93KB

    MD5

    4452f951ec5390c7cd0397d659717b4d

    SHA1

    1ddf3284b015fb3e7dba3157ba6c81511a9c9402

    SHA256

    de53c5ea5dee3fcc8b6a9f8a6926aa84d1434408e968205f0e8ef94250c8f3a8

    SHA512

    9f72c23a9975d1745b97a8b454695ffd6272410acb9d71ec7e1c5d479cfce6deb09aecd2f3cc49ed1c5307d0f5be788498e9c01876cbfc2b2255c38ff4b549bd

  • 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\{4FD6A56C-C8CC-43F5-AC2A-7D4E1AFEB4E9}\NT\0\press to unblock document.vbs
    Filesize

    93KB

    MD5

    4452f951ec5390c7cd0397d659717b4d

    SHA1

    1ddf3284b015fb3e7dba3157ba6c81511a9c9402

    SHA256

    de53c5ea5dee3fcc8b6a9f8a6926aa84d1434408e968205f0e8ef94250c8f3a8

    SHA512

    9f72c23a9975d1745b97a8b454695ffd6272410acb9d71ec7e1c5d479cfce6deb09aecd2f3cc49ed1c5307d0f5be788498e9c01876cbfc2b2255c38ff4b549bd

  • C:\Users\Admin\AppData\Local\Temp\rad93B9514C6darrad923AD376Adar.txt
    Filesize

    63KB

    MD5

    384b4dde80c6f5394f440b6951da895b

    SHA1

    585664d227f8aac1a367e8630f15cedafd1de131

    SHA256

    bdb582b55ecd8f46bd0795e7acc9c6c2fe8f2f871f617be0804becb8ed789c50

    SHA512

    6f7f3d76e54f1cc900a914be8ea82050fda02a054f3df6c8b4bb19a3519aa8ac6098c4790d893854615b47c60e2e9b183e076a3a909c6b1cc5c1d35012d526e5

  • C:\Users\Admin\AppData\Local\Temp\rad94B6F.tmp.zip
    Filesize

    958KB

    MD5

    cde1a4983674221e32035465ff72c577

    SHA1

    b25512e978cd4b0f700f655caff2923a4c77fdba

    SHA256

    b030f4ef75c8ef13e944f87ec7b700799b5f2906f4f3cb262c0fb1daa3b41865

    SHA512

    47fc2200061cbd576f324534ab61f67bb32518372fecd370f0bfaab114adc3bdf7cafccbc34f724c59f77ad2d046985ff049903692104ca58289c4ec4e978d26

  • C:\Users\Admin\AppData\Local\Temp\radBC341873Adar\I7BUGMOAp1mnW79z5M0bLi0WI5oFMy2wIqc.dll
    Filesize

    518.9MB

    MD5

    8d4ae113a4228abb787118fa7f080f07

    SHA1

    06484d09a45370765db7eec6a2998551215806f2

    SHA256

    5418335875ee09905dc49a03b4b38dbfa70c5902ec022814d45ec028be3b2975

    SHA512

    0944be85227173360689b18cc6bc58b7cc7017bba6291ad1ea696ecbc95f9d829d2e43e545ae9ecbb62159145f2e589bf463e553e1341fbc2d98cacdb6dde116

  • C:\Users\Admin\AppData\Local\Temp\radBC341873Adar\I7BUGMOAp1mnW79z5M0bLi0WI5oFMy2wIqc.dll
    Filesize

    518.9MB

    MD5

    8d4ae113a4228abb787118fa7f080f07

    SHA1

    06484d09a45370765db7eec6a2998551215806f2

    SHA256

    5418335875ee09905dc49a03b4b38dbfa70c5902ec022814d45ec028be3b2975

    SHA512

    0944be85227173360689b18cc6bc58b7cc7017bba6291ad1ea696ecbc95f9d829d2e43e545ae9ecbb62159145f2e589bf463e553e1341fbc2d98cacdb6dde116

  • C:\Windows\System32\AMchyHq\NeKgtnlgplpdRpA.dll
    Filesize

    518.9MB

    MD5

    8d4ae113a4228abb787118fa7f080f07

    SHA1

    06484d09a45370765db7eec6a2998551215806f2

    SHA256

    5418335875ee09905dc49a03b4b38dbfa70c5902ec022814d45ec028be3b2975

    SHA512

    0944be85227173360689b18cc6bc58b7cc7017bba6291ad1ea696ecbc95f9d829d2e43e545ae9ecbb62159145f2e589bf463e553e1341fbc2d98cacdb6dde116

  • memory/3776-221-0x0000000002140000-0x000000000219A000-memory.dmp
    Filesize

    360KB

  • memory/3776-226-0x0000000000600000-0x0000000000601000-memory.dmp
    Filesize

    4KB

  • memory/4592-139-0x00007FFD161F0000-0x00007FFD16200000-memory.dmp
    Filesize

    64KB

  • memory/4592-138-0x00007FFD161F0000-0x00007FFD16200000-memory.dmp
    Filesize

    64KB

  • memory/4592-137-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp
    Filesize

    64KB

  • memory/4592-136-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp
    Filesize

    64KB

  • memory/4592-135-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp
    Filesize

    64KB

  • memory/4592-134-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp
    Filesize

    64KB

  • memory/4592-133-0x00007FFD185B0000-0x00007FFD185C0000-memory.dmp
    Filesize

    64KB