Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 22:51

General

  • Target

    36b8b348d74bcfa4e4813671102a1fa0_JaffaCakes118.dll

  • Size

    614KB

  • MD5

    36b8b348d74bcfa4e4813671102a1fa0

  • SHA1

    0dc493a5b69d767c2b5d7e3bb4fdbce1084fce2c

  • SHA256

    bb70fc5142f1a8bed5449913a49baec8e03964acb7e9d43b1442f2a9a8899352

  • SHA512

    d62e46cd68d19ed182266cb16da6786c7fe416c942d28824e88ca77c386f0405548fc0118424124e1208bb66f248737478d675def0d674e5e5dbf3d0477a4827

  • SSDEEP

    12288:SYzchQVZnkmt/70MWugxPJZFpf0c1pH5bdJrs2xnd:d4KV5Hpt8bZHLPCA

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

69.38.130.14:80

195.159.28.230:8080

162.241.204.233:8080

181.165.68.127:80

49.205.182.134:80

190.251.200.206:80

139.59.60.244:8080

119.59.116.21:8080

89.216.122.92:80

185.94.252.104:443

70.92.118.112:80

78.24.219.147:8080

173.70.61.180:80

87.106.139.101:8080

66.57.108.14:443

24.179.13.119:80

121.124.124.40:7080

61.19.246.238:443

200.116.145.225:443

93.146.48.84:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 6 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\36b8b348d74bcfa4e4813671102a1fa0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\36b8b348d74bcfa4e4813671102a1fa0_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Diculv\ldljt.otk",DnQknDlY
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3416
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Diculv\ldljt.otk",#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:1080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Diculv\ldljt.otk

    Filesize

    614KB

    MD5

    36b8b348d74bcfa4e4813671102a1fa0

    SHA1

    0dc493a5b69d767c2b5d7e3bb4fdbce1084fce2c

    SHA256

    bb70fc5142f1a8bed5449913a49baec8e03964acb7e9d43b1442f2a9a8899352

    SHA512

    d62e46cd68d19ed182266cb16da6786c7fe416c942d28824e88ca77c386f0405548fc0118424124e1208bb66f248737478d675def0d674e5e5dbf3d0477a4827

  • memory/1080-10-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB

  • memory/1080-23-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB

  • memory/1080-14-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB

  • memory/1080-12-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB

  • memory/1080-11-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB

  • memory/3416-6-0x00000000007F0000-0x000000000088D000-memory.dmp

    Filesize

    628KB

  • memory/3416-7-0x00000000007F0000-0x000000000088D000-memory.dmp

    Filesize

    628KB

  • memory/3416-8-0x00000000007F0000-0x0000000000813000-memory.dmp

    Filesize

    140KB

  • memory/4040-2-0x0000000000400000-0x000000000049D000-memory.dmp

    Filesize

    628KB

  • memory/4040-0-0x0000000002470000-0x0000000002496000-memory.dmp

    Filesize

    152KB

  • memory/4040-3-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/4040-1-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB