Analysis

  • max time kernel
    102s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-07-2024 13:54

General

  • Target

    461b0364370ca8029d009460987848e5_JaffaCakes118.dll

  • Size

    330KB

  • MD5

    461b0364370ca8029d009460987848e5

  • SHA1

    1858853334577550efc14a7000c134bee5983db7

  • SHA256

    536e245d867b0163ce0df7a83381ba8338ab8b9ad60a19f1d1d4391476dc78b4

  • SHA512

    77c38f20ab8d357439da6f938907ebcbae7e00bbb7e79b2229736b307bba10b7b8dfcd243f4b9c723d5e635dff119fe1080b6a627d5199f94d03be62c44e0407

  • SSDEEP

    3072:XRq1sFAd2gQ5PmBvNZwnnq1gn2RvoXiDzAYgrO1v2F5j81qc:Bq1sFAwgwmBv3wnIgG4oAYxvU54gc

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\461b0364370ca8029d009460987848e5_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\461b0364370ca8029d009460987848e5_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wzzwpx\ruyjf.sgh",UbcjasaGsEYm
        3⤵
        • Loads dropped DLL
        PID:1668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Wzzwpx\ruyjf.sgh

    Filesize

    330KB

    MD5

    461b0364370ca8029d009460987848e5

    SHA1

    1858853334577550efc14a7000c134bee5983db7

    SHA256

    536e245d867b0163ce0df7a83381ba8338ab8b9ad60a19f1d1d4391476dc78b4

    SHA512

    77c38f20ab8d357439da6f938907ebcbae7e00bbb7e79b2229736b307bba10b7b8dfcd243f4b9c723d5e635dff119fe1080b6a627d5199f94d03be62c44e0407

  • memory/2396-0-0x00000000009F0000-0x0000000000A0F000-memory.dmp

    Filesize

    124KB

  • memory/2396-1-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/2396-3-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB