Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 22:35

General

  • Target

    5c85e074d73ae96f2198e14e880b696f667b56774730e1d6e4f0491fb3334f28.exe

  • Size

    3.2MB

  • MD5

    5314b8a97419c02d744f072a9edb524d

  • SHA1

    4e1435d34ada0e3270a4072c088f2bcc5da256d1

  • SHA256

    5c85e074d73ae96f2198e14e880b696f667b56774730e1d6e4f0491fb3334f28

  • SHA512

    4b8106833ea43f46e65b0a2bb22bc98a0a44dee9db06e8e31a0281b32b9fdd80291fca55c391f8e8351ffe9d36b86f9cbc21d26482fbef512ee0906d2a65f4b9

  • SSDEEP

    49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBiB/bSqz8b6LNXJqI20t:sxX7QnxrloE5dpUpZbVz8eLFcz

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c85e074d73ae96f2198e14e880b696f667b56774730e1d6e4f0491fb3334f28.exe
    "C:\Users\Admin\AppData\Local\Temp\5c85e074d73ae96f2198e14e880b696f667b56774730e1d6e4f0491fb3334f28.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecaopti.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecaopti.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2144
    • C:\Files70\xdobec.exe
      C:\Files70\xdobec.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Files70\xdobec.exe

    Filesize

    3.2MB

    MD5

    36a21fa89f44c3094d38891e1c6f8991

    SHA1

    c6499fcaa531262b92f3cdae7244257a63eb7c77

    SHA256

    a23b8869f328967d536ce9f8e1b5873cd7ef7d973ce8f987586072c6ffbef162

    SHA512

    6076ce41edf6a7b511b39736fe78994ec2bee2cf8c5d51c4abd76cfad48d5249090344a2cc9e52394caedefe2336b13b403b8f830c4abc81e76a7593d0b2b1e7

  • C:\LabZ3P\optiaec.exe

    Filesize

    2.0MB

    MD5

    2456e825ceeedb20f71206165d49e947

    SHA1

    890f9632fef2a6bf43a9dfd735746c09de658961

    SHA256

    bed445e013cfb98c10918a7d597b299d1361eedd9c130606df15e64bf7cc7606

    SHA512

    970e403d499e2e6ce89292e5e79ed790e0a90bd1db7ff84e7bb8662441954b77395552a9eff23069355d32fb3163ba55b4761c48c45bc8f4ad37465dad63e20e

  • C:\LabZ3P\optiaec.exe

    Filesize

    474KB

    MD5

    df048d9db6aa48b9879f99e6fb4f1552

    SHA1

    17967ffc43b2f69045161954fb7ca18ae0395aad

    SHA256

    53b420d22ea9f01a959086ff33ec23ab676e226e636443b7515b24846cb56c79

    SHA512

    60780e36aba568abb3f2464402ac102e46ae4b1052207bd7693f8a646f9d6cf7c298135268d3a352800c0fee0d0287eabed6962fe3a8752238afe058c806f761

  • C:\Users\Admin\253086396416_6.1_Admin.ini

    Filesize

    167B

    MD5

    80d62c58a6a57930d3fd0aeb89675167

    SHA1

    70f29673260f11628320dc38dbf7e3c9c009d4ab

    SHA256

    011523af2aac817de865c009d3f29b4fe62379599106df7d00af1d7ceb1e6b04

    SHA512

    51c04598025b0cffeee14a144ec3147fb3830bc708811548309e6277ac27058615936f197de7ab639c6567694b4e793393c51a342ff52e1952b174fc32ebc268

  • C:\Users\Admin\253086396416_6.1_Admin.ini

    Filesize

    199B

    MD5

    53ab7d989c0049c7ea9e55573f2bfefe

    SHA1

    ec5aaa8512f22a309f1e4dd4bcf34b4401dc131e

    SHA256

    d5fc169d757f659bb89b26f8cd360912714ee7f45ef95cbceeef7dcd41de0e10

    SHA512

    f2d03628bdd3d4b28b8b91704c3c78d3b4a34fa3bf60bdc0f4322648f5fd5c77898b73bf5a77ec08e554776c0fade1e020e96020915633c7fc206df2b177e09e

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecaopti.exe

    Filesize

    3.2MB

    MD5

    1263f3dfa516d70e62b48ab974b1d0e6

    SHA1

    b69654e854f4f6b4da8c5a2d7fd00896b805588e

    SHA256

    46c348a63e45f7e6257ae862cdb0543afc3616c06a1c98d0773f57adbfd68a03

    SHA512

    e48097668f46deaa3b69265ff4e652efdd4da965569cc2983fef9fee70be5ad02bc7deb6393ceea9272dfe6dbbbb84f099119de22fb75f5c680201a5029db08b