Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 07:12

General

  • Target

    49f287b44ef0865d1133fb0008583d93_JaffaCakes118.exe

  • Size

    864KB

  • MD5

    49f287b44ef0865d1133fb0008583d93

  • SHA1

    eeaeade5cf94e043349f4ee3584b67a76cb44c30

  • SHA256

    71cb9f0032b91350022ed0bc4e8fe284e1611e0693075c2ed3127749c1484a90

  • SHA512

    36749d8280ffa932b78a4e103d62ff3492a13968a3b6998a1303b2173069897eed9bb63c5a16c6d95f00ba77dc34814fd1a3cfae819cebb73bdec254d3c0bc6a

  • SSDEEP

    12288:HJcxAt3cs9Gsy8S5l9EVxDv0JFGWMnKHWMtlCrYRC:pcxMsKJy1lm3vnWMnKHWMtlC8

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

116.91.240.96:80

167.71.227.113:8080

190.85.46.52:7080

162.144.42.60:8080

202.166.170.43:80

95.216.205.155:8080

120.51.34.254:80

103.93.220.182:80

111.89.241.139:80

60.125.114.64:443

45.177.120.37:8080

185.86.148.68:443

75.127.14.170:8080

119.92.77.17:80

203.153.216.178:7080

172.96.190.154:8080

179.5.118.12:80

153.229.219.1:443

139.59.12.63:8080

115.79.195.246:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet payload 5 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).

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49f287b44ef0865d1133fb0008583d93_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\49f287b44ef0865d1133fb0008583d93_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Windows\SysWOW64\avrt\mfc42u.exe
      "C:\Windows\SysWOW64\avrt\mfc42u.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5036
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1404,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8
    1⤵
      PID:4520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\avrt\mfc42u.exe

      Filesize

      864KB

      MD5

      49f287b44ef0865d1133fb0008583d93

      SHA1

      eeaeade5cf94e043349f4ee3584b67a76cb44c30

      SHA256

      71cb9f0032b91350022ed0bc4e8fe284e1611e0693075c2ed3127749c1484a90

      SHA512

      36749d8280ffa932b78a4e103d62ff3492a13968a3b6998a1303b2173069897eed9bb63c5a16c6d95f00ba77dc34814fd1a3cfae819cebb73bdec254d3c0bc6a

    • memory/1012-0-0x0000000000640000-0x000000000064F000-memory.dmp

      Filesize

      60KB

    • memory/1012-1-0x0000000000660000-0x0000000000672000-memory.dmp

      Filesize

      72KB

    • memory/1012-5-0x0000000000680000-0x0000000000690000-memory.dmp

      Filesize

      64KB

    • memory/1012-9-0x0000000000400000-0x00000000004DB000-memory.dmp

      Filesize

      876KB

    • memory/5036-10-0x00000000020D0000-0x00000000020E2000-memory.dmp

      Filesize

      72KB

    • memory/5036-14-0x0000000002200000-0x0000000002210000-memory.dmp

      Filesize

      64KB