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Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    29/07/2024, 19:23

General

  • Target

    5afbbb1f85a3d87b2456963de0356961_JaffaCakes118.exe

  • Size

    95KB

  • MD5

    5afbbb1f85a3d87b2456963de0356961

  • SHA1

    6c96e54b80a5cbfc420acea19432ba1f49290db6

  • SHA256

    3a8095cc032d64a5224026c674fc2b85984787ee25142e489849cbd73bbe7932

  • SHA512

    c93569576c522b7dbbf5a9c51d9e5dca75aeb68cbc6f9b1ba224c7330868e97094f480b15af95c31bcb1c5f11b4eceb67f2f3cee28e2e13cf275ed70c4f2054c

  • SSDEEP

    1536:L5qy5eV2+suXluCnZwmO/i2Q0mMx8ot+doa/7/vRoTIqaroBz0RoQ1eN:tq+KzXQCnZlO/vRyc+T+mw4RoQ1o

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

38.18.235.242:80

5.196.108.189:8080

121.124.124.40:7080

104.236.246.93:8080

113.61.66.94:80

120.150.60.189:80

91.211.88.52:7080

47.144.21.12:443

108.46.29.236:80

139.162.108.71:8080

134.209.36.254:8080

139.59.60.244:8080

66.65.136.14:80

76.175.162.101:80

174.106.122.139:80

95.213.236.64:8080

174.45.13.118:80

50.35.17.13:80

209.141.54.221:8080

87.106.139.101:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet payload 4 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5afbbb1f85a3d87b2456963de0356961_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5afbbb1f85a3d87b2456963de0356961_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\Windows\SysWOW64\mssprxy\kbdlk41a.exe
      "C:\Windows\SysWOW64\mssprxy\kbdlk41a.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\mssprxy\kbdlk41a.exe

    Filesize

    95KB

    MD5

    5afbbb1f85a3d87b2456963de0356961

    SHA1

    6c96e54b80a5cbfc420acea19432ba1f49290db6

    SHA256

    3a8095cc032d64a5224026c674fc2b85984787ee25142e489849cbd73bbe7932

    SHA512

    c93569576c522b7dbbf5a9c51d9e5dca75aeb68cbc6f9b1ba224c7330868e97094f480b15af95c31bcb1c5f11b4eceb67f2f3cee28e2e13cf275ed70c4f2054c

  • memory/288-4-0x0000000000030000-0x0000000000040000-memory.dmp

    Filesize

    64KB

  • memory/288-7-0x0000000000020000-0x000000000002F000-memory.dmp

    Filesize

    60KB

  • memory/288-0-0x00000000003D0000-0x00000000003E2000-memory.dmp

    Filesize

    72KB

  • memory/288-9-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2352-10-0x00000000001C0000-0x00000000001D2000-memory.dmp

    Filesize

    72KB