Resubmissions

08/03/2023, 06:44

230308-hhkpzsea2x 10

Analysis

  • max time kernel
    24s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 06:44

General

  • Target

    954895897851030__2023-08-03_0953.doc

  • Size

    502.3MB

  • MD5

    a59e9fe46fe7ccd8c74b1dc39553d1a5

  • SHA1

    6b2699157dd7bb19cdb7f0ffb959c20c90318e9c

  • SHA256

    4792472bd90dab5885a789793a3309109b7f8d305203faa011d92b0efdf1720b

  • SHA512

    cfc9951ccf2e7001184b71855c1074c5c8a74b8739494121f5df6f8151d90af6ff5f9ea6b524f71fc4d5b3a3ded608172372c49cb9f7771c6594cb19d179435d

  • SSDEEP

    6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

129.232.188.93:443

164.90.222.65:443

159.65.88.10:8080

172.105.226.75:8080

115.68.227.76:8080

187.63.160.88:80

169.57.156.166:8080

185.4.135.165:8080

153.126.146.25:7080

197.242.150.244:8080

139.59.126.41:443

186.194.240.217:443

103.132.242.26:8080

206.189.28.199:8080

163.44.196.120:8080

95.217.221.146:8080

159.89.202.34:443

119.59.103.152:8080

183.111.227.137:8080

201.94.166.162:443

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.

  • Loads dropped DLL 1 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
  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\954895897851030__2023-08-03_0953.doc" /o ""
    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:3092
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\074922.tmp"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1172
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UMOBDETis\BZmyvP.dll"
        3⤵
          PID:4616

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\074922.tmp

            Filesize

            500.7MB

            MD5

            70d1ea445cbffd002650708bbb19240b

            SHA1

            a320cd5a180140936d072f9950c82f16e67dc573

            SHA256

            151bcb1fc61da6fdd64712d66678c6a7671b6e2b8f3529c2912bdc283ab332ef

            SHA512

            b002efc7cee5cb2a51fdf2dcee9a8771d3cdb746c66d7ad807b34692182415fac8bfc3192c1f7180b85ab13370fc1698055964f5051ec70488f7f65134c40279

          • C:\Users\Admin\AppData\Local\Temp\074922.tmp

            Filesize

            493.6MB

            MD5

            f55cf8d3f30726dd78f7005f388cfd4b

            SHA1

            bb8f7b28ad457f60a880db5f31ac1cca105ccc67

            SHA256

            0655d70a3e13cb979c41cf7954d42193367b8e9e81f80d7a92b8d0e30eadc46c

            SHA512

            052ef3e5444488746adb83dd67a52f3e1ba470fadebe36ced748d459bfe42216cfc1e606a51173b1212a3f8aa2efe7e187c7c76e220a160ae242e874e785da71

          • C:\Users\Admin\AppData\Local\Temp\074923.zip

            Filesize

            882KB

            MD5

            d347a9e713947d67f6f575738ef07cd7

            SHA1

            f51f3983960517b07bb97f5ba5495480a31c8c0f

            SHA256

            22babdda065e864cc6309f90833994a36353ae21d3a7be6e3aafaf51024448f0

            SHA512

            5aef4fe8dbf87c3ff7e11af5e76912ef4e91e51246935132ee38a404c1f86cc464b527c2d47750930472121a23d1741e7c8e57f5ce41904af0d065bf6555a651

          • C:\Windows\System32\UMOBDETis\BZmyvP.dll

            Filesize

            495.1MB

            MD5

            505d51f0cb3be519ac67edb1142271ad

            SHA1

            208f9a58d4cc3adf89b4091779e302c77911292a

            SHA256

            911375099efcc8169fed21177bc1a05fd115d14686a4842a18b6c0ef20ecac0b

            SHA512

            3f6fc9dc9f2eecd2419dc5f6046bfea43a7abbcac7d0c32b023619f3a25498e83d5bad1b116b597ff84e29a6e30d49447d36452602d0c91921a168c8f16c5934

          • memory/1172-177-0x0000000180000000-0x000000018002D000-memory.dmp

            Filesize

            180KB

          • memory/1172-180-0x0000000002D10000-0x0000000002D11000-memory.dmp

            Filesize

            4KB

          • memory/3092-134-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-136-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-135-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-139-0x00007FFB6F760000-0x00007FFB6F770000-memory.dmp

            Filesize

            64KB

          • memory/3092-137-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-138-0x00007FFB6F760000-0x00007FFB6F770000-memory.dmp

            Filesize

            64KB

          • memory/3092-133-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-217-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-216-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-215-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/3092-214-0x00007FFB71850000-0x00007FFB71860000-memory.dmp

            Filesize

            64KB

          • memory/4616-188-0x0000000000400000-0x00000000004B0000-memory.dmp

            Filesize

            704KB