Analysis

  • max time kernel
    4294211s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    30-03-2022 15:20

General

  • Target

    75f39733f6b9652269970fcb7e502e22.xls

  • Size

    106KB

  • MD5

    75f39733f6b9652269970fcb7e502e22

  • SHA1

    3d2383a7ab102a54de85e693b5798f0e1d98e028

  • SHA256

    c396cf5dbdb334263abcf5fb94e3f523f758fd97c5cff458e248751ad42c90c3

  • SHA512

    c208837c5aa9203131be87454ff0c0e6fb623c9ea458f8cab196fd6de3690f464a011e6d73381bc914df620ba2b49db711310126dd97498da525073f7779263b

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

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\75f39733f6b9652269970fcb7e502e22.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2040
    • 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:2000
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Jjtvpveorpogk\bdlhhvl.jdz"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    e4681f857ae01ab432fecedc1143b36b

    SHA1

    c8a12321a1196f80e4f75284147a73fa76f9bc27

    SHA256

    cfe77321379e6e6059dab69315c97b2a0f5b21c06b896e6cdaf17157e13a9aee

    SHA512

    af2e1be397746a6f95a878e8327da25d8402eb555022b6565b2a9b20b7ebd250fbfcd07c98826547e10c3f4bee7d2548aa54c3589173c05b42c61aebadeccb05

  • C:\Users\Admin\urtj.dll

    Filesize

    431KB

    MD5

    d13c60c54a6b5c1f09cb6f68be576584

    SHA1

    c28b49e7ea902299dbda1ceda84e7dcf095923d7

    SHA256

    c6e0d4603ef56022d7c1c8af35f998acc2da0f1033ae7706828f3b33803b329a

    SHA512

    570d748e37f796feb308969d55a3c7cf7ed2c7fdc28e67a8b72da775abb42350afc2f03bbfaced442de96d8b028111bb84523d5cb99f40f39a1b3937f79c4db5

  • \Users\Admin\urtj.dll

    Filesize

    431KB

    MD5

    d13c60c54a6b5c1f09cb6f68be576584

    SHA1

    c28b49e7ea902299dbda1ceda84e7dcf095923d7

    SHA256

    c6e0d4603ef56022d7c1c8af35f998acc2da0f1033ae7706828f3b33803b329a

    SHA512

    570d748e37f796feb308969d55a3c7cf7ed2c7fdc28e67a8b72da775abb42350afc2f03bbfaced442de96d8b028111bb84523d5cb99f40f39a1b3937f79c4db5

  • memory/1628-65-0x0000000000000000-mapping.dmp

  • memory/1628-67-0x0000000000380000-0x00000000003A4000-memory.dmp

    Filesize

    144KB

  • memory/2000-58-0x0000000000000000-mapping.dmp

  • memory/2000-59-0x0000000074C91000-0x0000000074C93000-memory.dmp

    Filesize

    8KB

  • memory/2000-62-0x0000000000410000-0x0000000000434000-memory.dmp

    Filesize

    144KB

  • memory/2040-54-0x000000002F121000-0x000000002F124000-memory.dmp

    Filesize

    12KB

  • memory/2040-55-0x0000000071021000-0x0000000071023000-memory.dmp

    Filesize

    8KB

  • memory/2040-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2040-57-0x000000007200D000-0x0000000072018000-memory.dmp

    Filesize

    44KB