Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-20220223-en
  • submitted
    30-03-2022 14:45

General

  • Target

    69d8211fe32a1c511c6fd358005bceb8e19e01d9cc927c01b9f0760c13b75d6c.xls

  • Size

    106KB

  • MD5

    202698610d82c34fa161da4e0394758a

  • SHA1

    d4c554bd4810ee8632f5fd4dac50beaa51002794

  • SHA256

    69d8211fe32a1c511c6fd358005bceb8e19e01d9cc927c01b9f0760c13b75d6c

  • SHA512

    cfbb07e6e8752a8c8f99df1c0e10d0cb6fda3c43e7a04a53c13adaa151bfa00bcc85a58348c999affec63648b261d5f2fb93645e0bdfe36c81070147f452880c

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.gessersh.com/wp-includes/ZwQLepW/

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

  • Loads dropped DLL 1 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\69d8211fe32a1c511c6fd358005bceb8e19e01d9cc927c01b9f0760c13b75d6c.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:2512
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\urtj.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Tfcrpaarouw\vocw.ahe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\urtj.dll

    Filesize

    431KB

    MD5

    270dc41aeea9732435044f9288942312

    SHA1

    703d13507f81cd09ff97e237ac4fcd7140f73768

    SHA256

    b8835f9ac9d1d381a67f7784a67e26c6f7a760f6f41199d7470a2c45c8c940a6

    SHA512

    050c5722dfbc540567e1c051bb0f6536453044bc834fe2e8d525291bcbb61412f330e70a1ab50526ddd7805b52b702b6aba5f58016437574c992642ce62aefdd

  • \Users\Admin\urtj.dll

    Filesize

    431KB

    MD5

    270dc41aeea9732435044f9288942312

    SHA1

    703d13507f81cd09ff97e237ac4fcd7140f73768

    SHA256

    b8835f9ac9d1d381a67f7784a67e26c6f7a760f6f41199d7470a2c45c8c940a6

    SHA512

    050c5722dfbc540567e1c051bb0f6536453044bc834fe2e8d525291bcbb61412f330e70a1ab50526ddd7805b52b702b6aba5f58016437574c992642ce62aefdd

  • memory/2184-285-0x0000000003410000-0x0000000003434000-memory.dmp

    Filesize

    144KB

  • memory/2512-114-0x00007FFDFB720000-0x00007FFDFB730000-memory.dmp

    Filesize

    64KB

  • memory/2512-115-0x00007FFDFB720000-0x00007FFDFB730000-memory.dmp

    Filesize

    64KB

  • memory/2512-116-0x00007FFDFB720000-0x00007FFDFB730000-memory.dmp

    Filesize

    64KB

  • memory/2512-117-0x00007FFDFB720000-0x00007FFDFB730000-memory.dmp

    Filesize

    64KB

  • memory/2676-275-0x00000000008D0000-0x00000000008F4000-memory.dmp

    Filesize

    144KB