Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 05:00

General

  • Target

    046d3fdc0e51d8dd74905e8943524921_JaffaCakes118.exe

  • Size

    170KB

  • MD5

    046d3fdc0e51d8dd74905e8943524921

  • SHA1

    7c77fa3e2ddd550084fe649603d59d316380e574

  • SHA256

    827dd7af327d2e6287cc716697bd5a3600d02e7d0dcff0d2e3b6308046f12f28

  • SHA512

    6c0ff415d3fb074a407dc0faed4162b3b8df4afe3c9bdb6213ca2ba363c5bedc4d305ec8e3107b2b7465c6c8aa48e5d130fea33835b585e2c80fa07529fd4193

  • SSDEEP

    3072:+5ERKdsNSE8jWf+FnGevgjFA+WzmLpJhJ4RpS:+wB8qonGeoFA0lyp

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\046d3fdc0e51d8dd74905e8943524921_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\046d3fdc0e51d8dd74905e8943524921_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\ln259400022\lrunner.exe
      "C:\Users\Admin\AppData\Local\Temp\\ln259400022\lrunner.exe" --bpl="eyJjbGlfdmVyIjogMiwgImluc3RhbGxfdXJsIjogImh0dHBzOi8vZ29zb2Z0ZGwubWFpbC5ydS9zd2l0Y2hlcl9wZF8zXzkuZXhlIiwgImxvY2F0aW9uX2lkIjogImxhbmRfYm5kbCIsICJxdWVyeV9zdHJpbmciOiAiYW1fZGVmYXVsdD0xJm9jbF9pbnN0YWxsPTEmdmJtX2luc3RhbGw9MSZocF9pbnN0YWxsPTEmZHNlX2luc3RhbGw9MSZhdHRyPTkwMDMxMGNoJnJmcj05MDAzMTAmZXh0X3BhcmFtcz1vbGRfbXIxbGFkJTNENWUyMTk5ZTA2YWQ1Mzg1Zi0wLTAtIiwgInRzIjogMTU5NjY4OTYzOX0="
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2952

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Mail.Ru\Id
    Filesize

    38B

    MD5

    b2c55b61305dbfbb6a0786431fd44603

    SHA1

    ae4475626ca1cf25e97c67550f5b481890bf903c

    SHA256

    2e54f299015f7f0f4046bc0e19b09193db92cfe0b2fa33ee324178f69f8a9ce6

    SHA512

    2f7176d6ea4ba3dd35558cac3ce0f27b610b2b6e898d0eba425c87670ad40fdf0581c6ea2deff00b59d385144be91666def6071bf19e3b5de6920c20d3dc60a5

  • \Users\Admin\AppData\Local\Temp\ln259400022\lrunner.exe
    Filesize

    1.9MB

    MD5

    59ec4314e2a54053778d3862368d639c

    SHA1

    a6e7e4383d2a49460f90f46d81bf31260fb71a50

    SHA256

    8dca302c817de6eab1783ed87139cbe2c0da2be2ccc077cabac12ac3237dab91

    SHA512

    48ec36e24c66df5951a35ff366aa80b70aef005119438e1a97dcc81b21e726a4f1eb7e9000026a75811e1fd7ef51255df28647b30140d136af223acf4e968834