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Analysis

  • max time kernel
    119s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/07/2024, 11:47

General

  • Target

    bbba3a530dc5ffb5094e36fa60a098b0N.exe

  • Size

    3.0MB

  • MD5

    bbba3a530dc5ffb5094e36fa60a098b0

  • SHA1

    7ab074c0b09b395bfc7aaeee01a0ffe46174fe9a

  • SHA256

    c9ea54e76bdddc4e7fbffad6a3fb6554f91173aa71da329daab33c43cca0b4a7

  • SHA512

    409c0d80186c19b157d194bea4c8a382eff240ae7f55cb2b3facc33d55c906165090a661b3a95614caaa3a9126915f7959db0f81ac86b8c1f11e424f4c0cf206

  • SSDEEP

    49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBQB/bSqz8b6LNX:sxX7QnxrloE5dpUpPbVz8eLF

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbba3a530dc5ffb5094e36fa60a098b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\bbba3a530dc5ffb5094e36fa60a098b0N.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysaopti.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysaopti.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1204
    • C:\Files3X\devbodsys.exe
      C:\Files3X\devbodsys.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Files3X\devbodsys.exe

    Filesize

    1.5MB

    MD5

    d2da3dc35f4b8e545b4c5075456d6559

    SHA1

    7ad09c29883c5bcb3f1af1bbee4dc40336237390

    SHA256

    61da32cf815c32eedb62f6013e1871b0edc35737d971246d6f50ed2db3818de6

    SHA512

    7d11dabad7e19035b0bb045a2b7428a75e07b6d75f001208b1bbce7fe3568d80e0ad13bf6f2533d8b5699f7668a944a2899728766b844f3bd61d4d41f6f5e78f

  • C:\Files3X\devbodsys.exe

    Filesize

    3.0MB

    MD5

    0cdb08491dc6f48471442e374f73d06d

    SHA1

    70de96ebcb6dba5ca09f0f7a922d996f86a18b9b

    SHA256

    f39e7eb0f332f8fdd6964b5e1f4bdd62030f10c8c99982ab276fa2eee399fd54

    SHA512

    7b9f884c322c66367b4af2c336111e51311392c36e9e387b89f6f0236351f6b71fc3a6be03c52fbeae1dd118735bfc68b7debb82465ad4a2c2ab137bf9a633c9

  • C:\Mint24\optixec.exe

    Filesize

    1.1MB

    MD5

    006c58b45979988b4b073f489ea5f343

    SHA1

    400501230717ade6ad1f0aa09b194372d18c7a8f

    SHA256

    75e5877007272ec48093726f638a5f6bb9bf7bfe288acce0cdb628cde4c4c3f7

    SHA512

    b0f5040f9b5ecbb5527ee9190027d4d02630a7e2b4e38b7a8262a8c625781739e39e26f56b2d7563aa1f16182e4934bc9fd989711866244d24a9705f984d0628

  • C:\Mint24\optixec.exe

    Filesize

    14KB

    MD5

    eea4aa3d13cff294fb9de101050d3b95

    SHA1

    8be9253d0215e54c585f56eadb2280278a3ef3fa

    SHA256

    4bfbd1374923be20f98b58ddc780be3cd5a3714124580ccf4631700f056077a5

    SHA512

    8793ab23bc508ea67a7d382f851f692b10c6141d6a08aea34676af615c93c597ab6a7bab354d52cfa7c84c568a31eee4521a37ed280aa9a5c1a200be1d176b44

  • C:\Users\Admin\253086396416_10.0_Admin.ini

    Filesize

    203B

    MD5

    5009f6c79203061adec0bc3e435a0201

    SHA1

    2269e4c35414e2756be4ac53d5710a7792ef0005

    SHA256

    816fe5a408877f1beaa6d2ca4d2d89d67c88994c1930dd1d4c09368845878ad9

    SHA512

    9ddf43d2648ddc09538137a7dd925e3e59eaab98bba3295b95efe0afdf2872c19f117687e3a8a6679e6bb8a7847e7f590ba55c1ff9273467c4079e8b836e4f0b

  • C:\Users\Admin\253086396416_10.0_Admin.ini

    Filesize

    171B

    MD5

    8c5b3679a6129fa5859c383b8d763e8e

    SHA1

    9b97b3a6a0b810228b681a9db79e2463d3c35cd6

    SHA256

    c6ec3f14e2bdd1ae8eca426f68410dc0e6127bcc743c4904030b27cbf9ec6a3f

    SHA512

    a0d8a204b9eb2d65ab5f5bfff714fd6b223f4559c598aa632874de09c8914d780c6d6de3434ff3cab5ad802a7cea384e5c84fb4c25ad8f00ae8f4b4465e4c678

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysaopti.exe

    Filesize

    3.0MB

    MD5

    b8048135846715fa489e3396fb466768

    SHA1

    afea3505a179be47a7ae7d02933edef36c0352fb

    SHA256

    89847c1685fd323eaf3c30807e97e1af95507dc0f0df603363bc8dae65d4892a

    SHA512

    4ae89c709e4c4382be1b7f345479268e789775cdb32f797f8d00b69bd4eb2d447ceec873ed00aaf50ef0b6b1769ca03b8edd8c4669bd5adb75d96a63005c0e44