Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    25-08-2024 00:49

General

  • Target

    7ea357d15f5f5e202fd3d616002bc9185ad2a2a5828993eb9cd9d7a8a9e00861.exe

  • Size

    1.3MB

  • MD5

    1fde14f7674d56ccc56751500eb35db9

  • SHA1

    8b7db8712650eaa80920893bfa49b9c410959001

  • SHA256

    7ea357d15f5f5e202fd3d616002bc9185ad2a2a5828993eb9cd9d7a8a9e00861

  • SHA512

    54c7d587a36ac8d14337fe9a6a3b6b025e1ea6d048a54ae9851e3180e52f114dadd52e98fe2d348864ef8e37a3a18bf07676860ed88b19f7cac2df312653b66f

  • SSDEEP

    24576:sQp5kHMdLKSFVrrAqeyrUWHeLTmYx99PArnXxwonCL4XQC8G9it2rEH7n:skxZnvfXZXHemi+XxwonCLvxG8

Malware Config

Signatures

  • Detect Neshta payload 3 IoCs
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Detects Floxif payload 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ea357d15f5f5e202fd3d616002bc9185ad2a2a5828993eb9cd9d7a8a9e00861.exe
    "C:\Users\Admin\AppData\Local\Temp\7ea357d15f5f5e202fd3d616002bc9185ad2a2a5828993eb9cd9d7a8a9e00861.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7ea357d15f5f5e202fd3d616002bc9185ad2a2a5828993eb9cd9d7a8a9e00861.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7ea357d15f5f5e202fd3d616002bc9185ad2a2a5828993eb9cd9d7a8a9e00861.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\7ea357d15f5f5e202fd3d616002bc9185ad2a2a5828993eb9cd9d7a8a9e00861.exe

    Filesize

    1.2MB

    MD5

    1660b17b3a3993f2f7220c97b50d5b04

    SHA1

    76a1dd503a1259094c23f7fee7e3cb7a2b521c3c

    SHA256

    d47097673325fe4e0d6bcd307bab1469b3440cffecfb0f5d7f93c4a839ba04a5

    SHA512

    1128bb77a5705232df523296975d983a5bd61003df3552dc0770f977b72325c18401493c7a9aaa03420b0cdfabdbe01ca1304b3316689d3812aa13b27729d015

  • C:\Windows\svchost.com

    Filesize

    40KB

    MD5

    0e206bbc1159fdbb5f5ba02bf9673865

    SHA1

    69268edca85f1f1258f969f9fff247405a5d37bb

    SHA256

    faf9e144b981c26eb5470799dbde6dc487b1d81f2f448c93ac65ca7237e0f318

    SHA512

    057c01fc7ac0e0977443e8110cb029246fb6697ba71d2c73903b07441d05aa63512acd0de7a2057afc40e90bb03b0e15d1d466a6f49b61f19227e3131c6df21b

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • memory/2064-112-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2064-26-0x0000000002CF0000-0x0000000002E15000-memory.dmp

    Filesize

    1.1MB

  • memory/2064-28-0x0000000002CF0000-0x0000000002E15000-memory.dmp

    Filesize

    1.1MB

  • memory/2064-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2064-113-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2064-114-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2064-118-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2064-116-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2100-34-0x0000000000400000-0x0000000000525000-memory.dmp

    Filesize

    1.1MB

  • memory/2100-31-0x0000000000400000-0x0000000000525000-memory.dmp

    Filesize

    1.1MB