Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 22:33

General

  • Target

    81fe9f50a59401673d4567cb31647804_JaffaCakes118.exe

  • Size

    149KB

  • MD5

    81fe9f50a59401673d4567cb31647804

  • SHA1

    a18ab0b4ef69dd7b617bb9e4f528bb9b71bfcfca

  • SHA256

    9bf34489e4fdf34db534a73e77cf2c841d525817590aa41bf5384697fc2c193e

  • SHA512

    8a3b4f493930ef029175c82519e71c98fcc4dec54339c9ace87091d4d51624c5618e8356671e9e8ae0900ba19503813a938144e9e37906932cb603a67bd3c1e8

  • SSDEEP

    3072:WY4s5aoSrBTh/3s0Y6OtXjMAW1s7uA+ene1gef:WYNSD/tY6AjpL+enkgef

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

38.18.235.242:80

5.196.108.189:8080

121.124.124.40:7080

104.236.246.93:8080

113.61.66.94:80

120.150.60.189:80

91.211.88.52:7080

47.144.21.12:443

108.46.29.236:80

139.162.108.71:8080

134.209.36.254:8080

139.59.60.244:8080

66.65.136.14:80

76.175.162.101:80

174.106.122.139:80

95.213.236.64:8080

174.45.13.118:80

50.35.17.13:80

209.141.54.221:8080

87.106.139.101:8080

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Emotet payload 4 IoCs

    Detects Emotet payload in memory.

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81fe9f50a59401673d4567cb31647804_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81fe9f50a59401673d4567cb31647804_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Windows\SysWOW64\wlangpui\KBDUZB.exe
      "C:\Windows\SysWOW64\wlangpui\KBDUZB.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\wlangpui\KBDUZB.exe
    Filesize

    149KB

    MD5

    81fe9f50a59401673d4567cb31647804

    SHA1

    a18ab0b4ef69dd7b617bb9e4f528bb9b71bfcfca

    SHA256

    9bf34489e4fdf34db534a73e77cf2c841d525817590aa41bf5384697fc2c193e

    SHA512

    8a3b4f493930ef029175c82519e71c98fcc4dec54339c9ace87091d4d51624c5618e8356671e9e8ae0900ba19503813a938144e9e37906932cb603a67bd3c1e8

  • memory/2240-4-0x0000000000030000-0x0000000000040000-memory.dmp
    Filesize

    64KB

  • memory/2240-0-0x0000000000230000-0x0000000000242000-memory.dmp
    Filesize

    72KB

  • memory/2240-7-0x0000000000020000-0x000000000002F000-memory.dmp
    Filesize

    60KB

  • memory/2240-9-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2264-10-0x0000000000330000-0x0000000000342000-memory.dmp
    Filesize

    72KB