Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2023 18:02

General

  • Target

    message-10112022.xls

  • Size

    91KB

  • MD5

    8d56f0ea9a3da60c3b7baaae0474c3f8

  • SHA1

    f97b3d21b5b9d23ff256c80627284a501560bac1

  • SHA256

    483041301968485f2f901734905ee021129f2bbd65a0e31141690c004e8d95f3

  • SHA512

    cbcbfcaf7cebf3399f49ca457957c9f66cea54ac632e71f8827805a7026ec64793cc3208818780d47b2426253b86bc2736cabd91ab4eb8e1e7cd698400bcb9e3

  • SSDEEP

    1536:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9om:rKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

eck1.plain
ecs1.plain

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.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 10 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\message-10112022.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3416
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UohxVqSdTVgI\sqISa.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3908
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3968
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3088
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\elv1.ooocccxxx

    Filesize

    516KB

    MD5

    186164d112a9abb99f45c0c71ee9c0da

    SHA1

    5efa1274196ae136fccbb34fd7d58575f91dfb6d

    SHA256

    4d13a086fc7dac761712e11d5ef459b0693d4fe2682bd4bdd9c88be58af306e6

    SHA512

    63f623f298ce3ad10a41f6f851c8161b2d61c1de7bd8ea3aee0542f8a4fafc930ad803aed4cbfc951cc4c095446581ea642a15545ab958f74278e73a5e350e32

  • C:\Users\Admin\elv1.ooocccxxx

    Filesize

    516KB

    MD5

    186164d112a9abb99f45c0c71ee9c0da

    SHA1

    5efa1274196ae136fccbb34fd7d58575f91dfb6d

    SHA256

    4d13a086fc7dac761712e11d5ef459b0693d4fe2682bd4bdd9c88be58af306e6

    SHA512

    63f623f298ce3ad10a41f6f851c8161b2d61c1de7bd8ea3aee0542f8a4fafc930ad803aed4cbfc951cc4c095446581ea642a15545ab958f74278e73a5e350e32

  • C:\Windows\System32\UohxVqSdTVgI\sqISa.dll

    Filesize

    516KB

    MD5

    186164d112a9abb99f45c0c71ee9c0da

    SHA1

    5efa1274196ae136fccbb34fd7d58575f91dfb6d

    SHA256

    4d13a086fc7dac761712e11d5ef459b0693d4fe2682bd4bdd9c88be58af306e6

    SHA512

    63f623f298ce3ad10a41f6f851c8161b2d61c1de7bd8ea3aee0542f8a4fafc930ad803aed4cbfc951cc4c095446581ea642a15545ab958f74278e73a5e350e32

  • memory/2116-152-0x0000000000000000-mapping.dmp

  • memory/3088-151-0x0000000000000000-mapping.dmp

  • memory/3416-142-0x0000000180000000-0x000000018002E000-memory.dmp

    Filesize

    184KB

  • memory/3416-139-0x0000000000000000-mapping.dmp

  • memory/3908-145-0x0000000000000000-mapping.dmp

  • memory/3968-150-0x0000000000000000-mapping.dmp

  • memory/4800-134-0x00007FFE14B70000-0x00007FFE14B80000-memory.dmp

    Filesize

    64KB

  • memory/4800-135-0x00007FFE14B70000-0x00007FFE14B80000-memory.dmp

    Filesize

    64KB

  • memory/4800-133-0x00007FFE14B70000-0x00007FFE14B80000-memory.dmp

    Filesize

    64KB

  • memory/4800-132-0x00007FFE14B70000-0x00007FFE14B80000-memory.dmp

    Filesize

    64KB

  • memory/4800-138-0x00007FFE12590000-0x00007FFE125A0000-memory.dmp

    Filesize

    64KB

  • memory/4800-137-0x00007FFE12590000-0x00007FFE125A0000-memory.dmp

    Filesize

    64KB

  • memory/4800-136-0x00007FFE14B70000-0x00007FFE14B80000-memory.dmp

    Filesize

    64KB