Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:43

General

  • Target

    6c8309d523077da901fcfbf98aaea140561f51fcd325b1316d4e030510c4f672.xls

  • Size

    95KB

  • MD5

    ea0ceef59683e5c87a2295fc22bf292e

  • SHA1

    575334fb7d9fd407eb0ee436c563b58e6927ef34

  • SHA256

    6c8309d523077da901fcfbf98aaea140561f51fcd325b1316d4e030510c4f672

  • SHA512

    2964ffb8c8b45688591b132c34f8af76971043b26195f3a6ef42276cf9af991244e667d2ee57f683efa4478af7b0671ea4f875249d0d065be457aec2d87cb926

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

Extracted

Family

emotet

Botnet

Epoch5

C2

103.71.99.57:8080

103.224.241.74:8080

157.245.111.0:8080

37.44.244.177:8080

103.41.204.169:8080

64.227.55.231:8080

103.254.12.236:7080

103.85.95.4:8080

157.230.99.206:8080

165.22.254.236:8080

85.214.67.203:8080

54.37.228.122:443

195.77.239.39:8080

128.199.217.206:443

190.145.8.4:443

165.232.185.110:8080

188.165.79.151:443

178.62.112.199:8080

54.37.106.167:8080

104.244.79.94:443

eck1.plain
ecs1.plain

Extracted

Family

emotet

C2

198.27.67.35:8080

190.107.19.180:8080

58.96.74.42:443

116.125.120.88:443

180.250.21.2:443

165.227.153.100:8080

62.141.45.103:443

134.209.164.181:8080

212.98.224.97:8080

159.65.163.220:443

128.199.93.156:7080

198.211.118.165:443

203.217.140.239:8080

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.

  • 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
  • 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
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 18 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\6c8309d523077da901fcfbf98aaea140561f51fcd325b1316d4e030510c4f672.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:2956
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4268
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3272
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XBpvHDqzjwxsbhlQ\LIJIP.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4540
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TRHxnLldPsREaF\hxFEqRMJJODRGs.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:860
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          4⤵
          • Gathers system information
          PID:3816
        • C:\Windows\system32\ipconfig.exe
          ipconfig /all
          4⤵
          • Gathers network information
          PID:504
        • C:\Windows\system32\nltest.exe
          nltest /dclist:
          4⤵
            PID:2096
      • C:\Windows\System32\regsvr32.exe
        C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
        2⤵
        • Process spawned unexpected child process
        PID:1236

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    4
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\soci2.ocx
      Filesize

      847KB

      MD5

      04558e0b7a9257103f9058d0b1f9767c

      SHA1

      5849540afb12b9fe897bb01815ab8c700cab68e8

      SHA256

      9d0410a1cb033529de04383101219b84ca134e72476e34aa4dc4555a8eb47b1e

      SHA512

      ee81a172228dff2f813d2fb53aaa72c41841f305e2343acdda6fb637a261d4660e764b4c3c6a7ecac187e2cf37ad2f08dd357196a8207b68a15c3d1b9197fd32

    • C:\Users\Admin\soci3.ocx
      Filesize

      847KB

      MD5

      acf8f01050571813860337f5c67df031

      SHA1

      51fd097219f171f608915f39a6b26a25a9d2ce83

      SHA256

      82fa9b503d3414d20a6883bb24bdc333853c41a162673e0974987d5f7745ebb6

      SHA512

      9dfbcec3a39d855f36de579c7cfc5f9e1ea6daf7c7b8851491bcd8bf486077dcb8cb0831faf8730e036cc927b177b1e850ceb692a245fbc5f1668e227c9e63b1

    • \Users\Admin\soci2.ocx
      Filesize

      847KB

      MD5

      04558e0b7a9257103f9058d0b1f9767c

      SHA1

      5849540afb12b9fe897bb01815ab8c700cab68e8

      SHA256

      9d0410a1cb033529de04383101219b84ca134e72476e34aa4dc4555a8eb47b1e

      SHA512

      ee81a172228dff2f813d2fb53aaa72c41841f305e2343acdda6fb637a261d4660e764b4c3c6a7ecac187e2cf37ad2f08dd357196a8207b68a15c3d1b9197fd32

    • \Users\Admin\soci3.ocx
      Filesize

      847KB

      MD5

      acf8f01050571813860337f5c67df031

      SHA1

      51fd097219f171f608915f39a6b26a25a9d2ce83

      SHA256

      82fa9b503d3414d20a6883bb24bdc333853c41a162673e0974987d5f7745ebb6

      SHA512

      9dfbcec3a39d855f36de579c7cfc5f9e1ea6daf7c7b8851491bcd8bf486077dcb8cb0831faf8730e036cc927b177b1e850ceb692a245fbc5f1668e227c9e63b1

    • memory/504-292-0x0000000000000000-mapping.dmp
    • memory/632-266-0x0000000000000000-mapping.dmp
    • memory/860-294-0x00000000023E0000-0x0000000002403000-memory.dmp
      Filesize

      140KB

    • memory/860-291-0x00000000023E0000-0x0000000002403000-memory.dmp
      Filesize

      140KB

    • memory/860-280-0x0000000000000000-mapping.dmp
    • memory/1236-281-0x0000000000000000-mapping.dmp
    • memory/2096-293-0x0000000000000000-mapping.dmp
    • memory/2956-127-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp
      Filesize

      64KB

    • memory/2956-114-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp
      Filesize

      64KB

    • memory/2956-126-0x00007FFCDAC90000-0x00007FFCDACA0000-memory.dmp
      Filesize

      64KB

    • memory/2956-117-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp
      Filesize

      64KB

    • memory/2956-116-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp
      Filesize

      64KB

    • memory/2956-115-0x00007FFCDE100000-0x00007FFCDE110000-memory.dmp
      Filesize

      64KB

    • memory/3272-261-0x0000000180000000-0x0000000180030000-memory.dmp
      Filesize

      192KB

    • memory/3272-258-0x0000000000000000-mapping.dmp
    • memory/3816-290-0x0000000000000000-mapping.dmp
    • memory/4268-257-0x0000000000000000-mapping.dmp
    • memory/4540-269-0x0000000000000000-mapping.dmp