Analysis

  • max time kernel
    101s
  • max time network
    128s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:31

General

  • Target

    4b216f5401ecf30dc9d6b928465eaeb0c5e40f0d5f9c8e4469c97259cdefb1d5.xls

  • Size

    91KB

  • MD5

    0555c190cfca3661d2e2c3e7555f5dfa

  • SHA1

    d9b8cff0a62b18f07074e8a3bd42e15dc525457b

  • SHA256

    4b216f5401ecf30dc9d6b928465eaeb0c5e40f0d5f9c8e4469c97259cdefb1d5

  • SHA512

    a13b949d719efb1be041075b5b26da3bab703232f6dc9483bcb68940f9d4bf8db65788d5f9c74b3035b3d4552124ce7153bee0522d2067483ccb0b65e414536f

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

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\4b216f5401ecf30dc9d6b928465eaeb0c5e40f0d5f9c8e4469c97259cdefb1d5.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4284
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FXeskGkix\iKfDQG.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4472
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4136
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WTgDlbVrA\yOMAwNEDxfk.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:920
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4396
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3304
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NPsdQkHQ\grMWgReL.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1764

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          287abecca3fd35d9f3ed53f4f7377c7e

          SHA1

          4d1693f6b31d926633e8a7e349fee96c4e60120b

          SHA256

          6426c9c4829f9e4ec0ce794317153e46cb6b74050b74197c9a588fa7d3de679c

          SHA512

          348f77291ee436dcf5e0de2da792b1d9e6c0daf1fb925122ed06984bf14f21d909b14dd6d3096fc229143c2d2562f1f57ea159db9d4f4ec717602943780ab385

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          92a3f6911635438f39de4bae33cc6fa2

          SHA1

          a1d0c269e83f262bd665fadabd9521372c9d86e7

          SHA256

          e9a6ea8caed6cf87ba761f830065fbd710ac0a1cc5ca6551e8901e490e3eca00

          SHA512

          b79b9b05c72aeb2868a2581eff03beeca4b277eb1ffe9784f873a2426cf39dcd9070e37daef9722b39f53e95fa86bc28ab302252f9b95801c6cf828253120a04

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          287abecca3fd35d9f3ed53f4f7377c7e

          SHA1

          4d1693f6b31d926633e8a7e349fee96c4e60120b

          SHA256

          6426c9c4829f9e4ec0ce794317153e46cb6b74050b74197c9a588fa7d3de679c

          SHA512

          348f77291ee436dcf5e0de2da792b1d9e6c0daf1fb925122ed06984bf14f21d909b14dd6d3096fc229143c2d2562f1f57ea159db9d4f4ec717602943780ab385

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          92a3f6911635438f39de4bae33cc6fa2

          SHA1

          a1d0c269e83f262bd665fadabd9521372c9d86e7

          SHA256

          e9a6ea8caed6cf87ba761f830065fbd710ac0a1cc5ca6551e8901e490e3eca00

          SHA512

          b79b9b05c72aeb2868a2581eff03beeca4b277eb1ffe9784f873a2426cf39dcd9070e37daef9722b39f53e95fa86bc28ab302252f9b95801c6cf828253120a04

        • memory/2576-128-0x00007FFB21390000-0x00007FFB213A0000-memory.dmp

          Filesize

          64KB

        • memory/2576-115-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2576-354-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2576-127-0x00007FFB21390000-0x00007FFB213A0000-memory.dmp

          Filesize

          64KB

        • memory/2576-116-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2576-118-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2576-353-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2576-352-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2576-351-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2576-117-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/4284-277-0x00000000010A0000-0x00000000010CE000-memory.dmp

          Filesize

          184KB