Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 14:36

General

  • Target

    3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll

  • Size

    609KB

  • MD5

    3dc75bc9ba57c18bf88663963bbb50c7

  • SHA1

    e2cc25dd118d3aef3ff2ec1970ea39e2bd88b85f

  • SHA256

    65f14ae4b0e869f72896fc712347ddc8fe9466c2f1109924c0db5e1bbe66ca36

  • SHA512

    5c12cdf68a220286d55a1e74adb76e61fac620813e9d64def72ea50f0a7fda307312ce6c771a8a6e0a6fdff60f8fe38bbeecf94c1599e9f46430e9184c537972

  • SSDEEP

    12288:4YzchQVZnkmt/70MWugxPJZFpf0c1pHRbdJxUR9rNXZL4:L4KV5Hpt8bZHLHnM919

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.55.186.229:80

203.157.152.9:7080

157.245.145.87:443

132.248.38.158:80

110.172.180.180:8080

70.32.89.105:8080

161.49.84.2:80

37.46.129.215:8080

50.116.78.109:8080

115.79.195.246:80

178.62.254.156:8080

175.103.38.146:80

188.226.165.170:8080

91.93.3.85:8080

162.144.145.58:8080

117.2.139.117:443

190.85.46.52:7080

201.193.160.196:80

152.32.75.74:443

195.201.56.70:8080

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 2 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\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2940
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ajiogtmft\czfhtyhv.uwq",wCVgSXjKHCtROAh
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ajiogtmft\czfhtyhv.uwq",#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:5036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ajiogtmft\czfhtyhv.uwq

    Filesize

    609KB

    MD5

    3dc75bc9ba57c18bf88663963bbb50c7

    SHA1

    e2cc25dd118d3aef3ff2ec1970ea39e2bd88b85f

    SHA256

    65f14ae4b0e869f72896fc712347ddc8fe9466c2f1109924c0db5e1bbe66ca36

    SHA512

    5c12cdf68a220286d55a1e74adb76e61fac620813e9d64def72ea50f0a7fda307312ce6c771a8a6e0a6fdff60f8fe38bbeecf94c1599e9f46430e9184c537972

  • memory/2616-5-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2616-6-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2940-0-0x0000000002A00000-0x0000000002A25000-memory.dmp

    Filesize

    148KB

  • memory/2940-1-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2940-2-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2940-3-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/5036-8-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/5036-9-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/5036-10-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/5036-12-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB