Analysis

  • max time kernel
    149s
  • 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
    16-07-2024 06:33

General

  • Target

    4d2e24067eef777242961a0142499ac0_JaffaCakes118.dll

  • Size

    330KB

  • MD5

    4d2e24067eef777242961a0142499ac0

  • SHA1

    109b6e74767a15877e50866552fecc93c46dbf0c

  • SHA256

    1e0399f11615703a9f5d5da5296496fce32d2ac406007d7172f1a747013370d5

  • SHA512

    37e03c748d25187c2ea3380b3351e69ef160c27eb23a8a3bedbc5f0dd0ade68885b6aea9803641509551a150c696fb8ba875f8efdddc73f6b00081097add4f76

  • SSDEEP

    3072:ZRq1sFAd2gQ5PmBvNZwnnq1gn2RvoXiDzAYgrO1v2F5j8eFu:7q1sFAwgwmBv3wnIgG4oAYxvU54eu

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.55.186.229:80

203.157.152.9:7080

157.245.145.87:443

109.99.146.210:8080

116.202.10.123:8080

172.96.190.154:8080

163.53.204.180:443

190.107.118.125:80

91.93.3.85:8080

185.142.236.163:443

115.79.195.246:80

120.51.34.254:80

192.210.217.94:8080

198.20.228.9:8080

91.75.75.46:80

54.38.143.245:8080

161.49.84.2:80

162.144.145.58:8080

178.33.167.120:8080

201.193.160.196:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Loads dropped DLL 1 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: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d2e24067eef777242961a0142499ac0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d2e24067eef777242961a0142499ac0_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ncafahtd\dpsrwhy.one",KkTFFYozOgBzQAZ
        3⤵
        • Loads dropped DLL
        PID:3840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ncafahtd\dpsrwhy.one

    Filesize

    330KB

    MD5

    4d2e24067eef777242961a0142499ac0

    SHA1

    109b6e74767a15877e50866552fecc93c46dbf0c

    SHA256

    1e0399f11615703a9f5d5da5296496fce32d2ac406007d7172f1a747013370d5

    SHA512

    37e03c748d25187c2ea3380b3351e69ef160c27eb23a8a3bedbc5f0dd0ade68885b6aea9803641509551a150c696fb8ba875f8efdddc73f6b00081097add4f76

  • memory/4372-1-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/4372-0-0x0000000000B40000-0x0000000000B5F000-memory.dmp

    Filesize

    124KB

  • memory/4372-3-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB