Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 18:05

General

  • Target

    817d088d9304b4d919391b55255b48e9_JaffaCakes118.exe

  • Size

    149KB

  • MD5

    817d088d9304b4d919391b55255b48e9

  • SHA1

    512f03b242dd87d620f0bfcb5bd419ea002048fc

  • SHA256

    38a1180936f11b75f083e23392b5a5e48cc25b3399c2dc483594daa26777c1cf

  • SHA512

    ead1a7655e638b9d9f48a9273ec9a2955bf7b173ceaac117f54418695d858af6be0868947147824408681fce449e148877b86482c2cc5bba4329d44375585e7b

  • SSDEEP

    3072:WY4s5aoSrBTR/3s0Y6OtXjMAW1s7uA+ene1gef:WYNSb/tY6AjpL+enkgef

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 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\817d088d9304b4d919391b55255b48e9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\817d088d9304b4d919391b55255b48e9_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\Windows\SysWOW64\dsregtask\KBDMYAN.exe
      "C:\Windows\SysWOW64\dsregtask\KBDMYAN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\dsregtask\KBDMYAN.exe
    Filesize

    149KB

    MD5

    817d088d9304b4d919391b55255b48e9

    SHA1

    512f03b242dd87d620f0bfcb5bd419ea002048fc

    SHA256

    38a1180936f11b75f083e23392b5a5e48cc25b3399c2dc483594daa26777c1cf

    SHA512

    ead1a7655e638b9d9f48a9273ec9a2955bf7b173ceaac117f54418695d858af6be0868947147824408681fce449e148877b86482c2cc5bba4329d44375585e7b

  • memory/3668-0-0x0000000000510000-0x0000000000522000-memory.dmp
    Filesize

    72KB

  • memory/3668-4-0x00000000006C0000-0x00000000006D0000-memory.dmp
    Filesize

    64KB

  • memory/3668-7-0x0000000000500000-0x000000000050F000-memory.dmp
    Filesize

    60KB

  • memory/3668-9-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/4496-10-0x00000000008A0000-0x00000000008B2000-memory.dmp
    Filesize

    72KB

  • memory/4496-14-0x00000000008C0000-0x00000000008D0000-memory.dmp
    Filesize

    64KB