Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-20220223-en
  • submitted
    30-03-2022 15:28

General

  • Target

    86fa5221f4897b379f0dc2cbdfeb1cc230c6fedcf6b9a5dcb290ec1bdc2d73da.xls

  • Size

    106KB

  • MD5

    b3152ca137675b9b038ab7d57d616e90

  • SHA1

    c1ced3d1b0dc83576ef9fa87828f2141f921f58b

  • SHA256

    86fa5221f4897b379f0dc2cbdfeb1cc230c6fedcf6b9a5dcb290ec1bdc2d73da

  • SHA512

    b84c39bab56efd5e73a84f89886d7e2e26333128e38a857606c01e38eeae8eb8e05193fd9eb96ede6817f572dde3a897e4984d408771b690c0d3610befdc6624

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

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

xlm40.dropper

http://www.garantihaliyikama.com/wp-admin/FjgB6I/

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.

  • Downloads MZ/PE file
  • 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\86fa5221f4897b379f0dc2cbdfeb1cc230c6fedcf6b9a5dcb290ec1bdc2d73da.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:3032
    • 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:1092
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Vafwpfepm\evoi.gay"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\urtj.dll

    Filesize

    431KB

    MD5

    9c9251f66ed9b473b95516df1e8ba199

    SHA1

    137492d36e2d28a0000eb3a1a60da32186748dc4

    SHA256

    1f016c009373adb4360385a6c2cf9fe9a325e138bc91fc29a0ce9acb9139e416

    SHA512

    8f3f5eb7268594bb2d1ea6da3e367eb961621bfd13dbdde7656d959b3de5b3a5588082efb7fd21b7ead6ddb9f643dde55475246153c7b0c5b82f16c3d9d2ffc4

  • \Users\Admin\urtj.dll

    Filesize

    431KB

    MD5

    9c9251f66ed9b473b95516df1e8ba199

    SHA1

    137492d36e2d28a0000eb3a1a60da32186748dc4

    SHA256

    1f016c009373adb4360385a6c2cf9fe9a325e138bc91fc29a0ce9acb9139e416

    SHA512

    8f3f5eb7268594bb2d1ea6da3e367eb961621bfd13dbdde7656d959b3de5b3a5588082efb7fd21b7ead6ddb9f643dde55475246153c7b0c5b82f16c3d9d2ffc4

  • memory/1092-275-0x0000000000F10000-0x0000000000F34000-memory.dmp

    Filesize

    144KB

  • memory/2304-286-0x0000000000B20000-0x0000000000B44000-memory.dmp

    Filesize

    144KB

  • memory/3032-115-0x00007FFA71B80000-0x00007FFA71B90000-memory.dmp

    Filesize

    64KB

  • memory/3032-116-0x00007FFA71B80000-0x00007FFA71B90000-memory.dmp

    Filesize

    64KB

  • memory/3032-117-0x00007FFA71B80000-0x00007FFA71B90000-memory.dmp

    Filesize

    64KB

  • memory/3032-118-0x00007FFA71B80000-0x00007FFA71B90000-memory.dmp

    Filesize

    64KB