Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    30-03-2022 01:14

General

  • Target

    Report.xls

  • Size

    106KB

  • MD5

    373ccbe50ee2281658593842cd86e248

  • SHA1

    d915e3ad200aabf551e8a1a445886d928be7f64b

  • SHA256

    629e7456ae38c8b30d5334a2b33b9be6015c9b610acc087684481707a894fff3

  • SHA512

    9018e3c1273dac6fabd60f2996f3f8d347d3d298df11ebf672e16097d17443fb1ce49948fea1cf991392f0ea9afc67e6c458f0ebe89b0cbc6ada27cf754c6161

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/

xlm40.dropper

https://e-fistik.com/ajax/PnA23/

xlm40.dropper

http://dsinformaticos.com/_private/f36Yl/

Extracted

Family

emotet

Botnet

Epoch4

C2

45.176.232.125:443

138.197.109.175:8080

187.84.80.182:443

79.143.187.147:443

189.232.46.161:443

103.70.28.102:8080

134.122.66.193:8080

151.106.112.196:8080

160.16.142.56:8080

212.24.98.99:8080

188.44.20.25:443

197.242.150.244:8080

206.189.28.199:8080

172.104.251.154:8080

103.43.46.182:443

203.114.109.124:443

103.75.201.2:443

58.227.42.236:80

201.94.166.162:443

189.126.111.200:7080

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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 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\Report.xls"
    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:2768
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\hdrh.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3136
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Blwczvzjceyccxu\ynxrleagbvebp.kqi"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:3600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\hdrh.dll

    Filesize

    444KB

    MD5

    3a22952c0d766e9dcae2ca263328242d

    SHA1

    f43c45ff4c18ab5a6b6684c9c3495c5a4a034088

    SHA256

    40c5262d1e0fa75cd7a09f20de912df8ec2ffd17849fc2802b22d2bd090c2682

    SHA512

    5f3f8c32837234040b8080bceed29006ac5a780594c4b41158b8cfbd53324ad81e1367d5578e60696171a978ad2f694976cba77f00ab59a9a687816af9ccd954

  • C:\Users\Admin\hdrh.dll

    Filesize

    444KB

    MD5

    3a22952c0d766e9dcae2ca263328242d

    SHA1

    f43c45ff4c18ab5a6b6684c9c3495c5a4a034088

    SHA256

    40c5262d1e0fa75cd7a09f20de912df8ec2ffd17849fc2802b22d2bd090c2682

    SHA512

    5f3f8c32837234040b8080bceed29006ac5a780594c4b41158b8cfbd53324ad81e1367d5578e60696171a978ad2f694976cba77f00ab59a9a687816af9ccd954

  • C:\Windows\SysWOW64\Blwczvzjceyccxu\ynxrleagbvebp.kqi

    Filesize

    444KB

    MD5

    3a22952c0d766e9dcae2ca263328242d

    SHA1

    f43c45ff4c18ab5a6b6684c9c3495c5a4a034088

    SHA256

    40c5262d1e0fa75cd7a09f20de912df8ec2ffd17849fc2802b22d2bd090c2682

    SHA512

    5f3f8c32837234040b8080bceed29006ac5a780594c4b41158b8cfbd53324ad81e1367d5578e60696171a978ad2f694976cba77f00ab59a9a687816af9ccd954

  • memory/2768-130-0x00007FFE87D10000-0x00007FFE87D20000-memory.dmp

    Filesize

    64KB

  • memory/2768-131-0x00007FFE87D10000-0x00007FFE87D20000-memory.dmp

    Filesize

    64KB

  • memory/2768-132-0x00007FFE87D10000-0x00007FFE87D20000-memory.dmp

    Filesize

    64KB

  • memory/2768-133-0x00007FFE87D10000-0x00007FFE87D20000-memory.dmp

    Filesize

    64KB

  • memory/2768-134-0x00007FFE87D10000-0x00007FFE87D20000-memory.dmp

    Filesize

    64KB

  • memory/3136-138-0x0000000002CF0000-0x0000000002D14000-memory.dmp

    Filesize

    144KB

  • memory/3600-143-0x00000000022E0000-0x0000000002304000-memory.dmp

    Filesize

    144KB