Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2022 02:56

General

  • Target

    72587_120600.xls

  • Size

    91KB

  • MD5

    3b7c1af004581e0081622da0aa1e7bb1

  • SHA1

    200b021751f34af2f7d571b18d22127573caad2d

  • SHA256

    22b930d5b30553606c6dc4e340eff495ae3fdf7297e2b8bab9af3296f24b14c7

  • SHA512

    dab54cac66c6a95f19f1abe4c9f1d779007c95abd59d61a12a0a8147497bf752ad9b698a123d197c706eb18baa794b09adbf965912f3079ffacce9d16e3f6324

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgObCXuZH4gb4CEn9J4Z70O:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://bevos-training.com/images/MtzUd/

xlm40.dropper

http://ec2-52-89-237-150.us-west-2.compute.amazonaws.com/bhr/wwqjkbu6mk/

xlm40.dropper

http://bwsengineering.co.za/configSHV/H0Rs/

xlm40.dropper

http://ctel.com.my/images/J5FV3DsngleQ3/

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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 10 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\72587_120600.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1888
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3692
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4380
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\HdScM\KKSwQ.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1204
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:380

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

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\elv3.ooocccxxx
    Filesize

    621KB

    MD5

    3aae4a9d4f5d015042ae34f813ae8129

    SHA1

    6f0216c9f7953fc97f4a8195906645634dce6729

    SHA256

    b88577b3d9a051360d05f5953ad9dc045d9b2acaec898620969751363fab5bf4

    SHA512

    b5286efd17951372359b22fc92d8e9d269194ad9333ce7e3c1a474cc281ab706f40c2b6713a656db88d4eb7871268c8e7ca23396c175d548a77cc10e3b0213dd

  • C:\Users\Admin\elv3.ooocccxxx
    Filesize

    621KB

    MD5

    3aae4a9d4f5d015042ae34f813ae8129

    SHA1

    6f0216c9f7953fc97f4a8195906645634dce6729

    SHA256

    b88577b3d9a051360d05f5953ad9dc045d9b2acaec898620969751363fab5bf4

    SHA512

    b5286efd17951372359b22fc92d8e9d269194ad9333ce7e3c1a474cc281ab706f40c2b6713a656db88d4eb7871268c8e7ca23396c175d548a77cc10e3b0213dd

  • C:\Windows\System32\HdScM\KKSwQ.dll
    Filesize

    621KB

    MD5

    3aae4a9d4f5d015042ae34f813ae8129

    SHA1

    6f0216c9f7953fc97f4a8195906645634dce6729

    SHA256

    b88577b3d9a051360d05f5953ad9dc045d9b2acaec898620969751363fab5bf4

    SHA512

    b5286efd17951372359b22fc92d8e9d269194ad9333ce7e3c1a474cc281ab706f40c2b6713a656db88d4eb7871268c8e7ca23396c175d548a77cc10e3b0213dd

  • memory/380-152-0x0000000000000000-mapping.dmp
  • memory/1204-147-0x0000000000000000-mapping.dmp
  • memory/1888-139-0x0000000000000000-mapping.dmp
  • memory/3692-140-0x0000000000000000-mapping.dmp
  • memory/4380-144-0x0000000002D40000-0x0000000002D6E000-memory.dmp
    Filesize

    184KB

  • memory/4380-141-0x0000000000000000-mapping.dmp
  • memory/5100-138-0x00007FFA42FA0000-0x00007FFA42FB0000-memory.dmp
    Filesize

    64KB

  • memory/5100-137-0x00007FFA42FA0000-0x00007FFA42FB0000-memory.dmp
    Filesize

    64KB

  • memory/5100-136-0x00007FFA45370000-0x00007FFA45380000-memory.dmp
    Filesize

    64KB

  • memory/5100-132-0x00007FFA45370000-0x00007FFA45380000-memory.dmp
    Filesize

    64KB

  • memory/5100-135-0x00007FFA45370000-0x00007FFA45380000-memory.dmp
    Filesize

    64KB

  • memory/5100-134-0x00007FFA45370000-0x00007FFA45380000-memory.dmp
    Filesize

    64KB

  • memory/5100-133-0x00007FFA45370000-0x00007FFA45380000-memory.dmp
    Filesize

    64KB