Resubmissions

24-04-2023 23:45

230424-3r77vsha6t 10

24-04-2023 23:41

230424-3pdkgafc62 10

Analysis

  • max time kernel
    398s
  • max time network
    402s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    24-04-2023 23:45

General

  • Target

    build_2.exe

  • Size

    95KB

  • MD5

    7e2d328e7e2552be4a862e83f9c7177e

  • SHA1

    7d80b8b70676053aaa9d652b721c574ad81b011f

  • SHA256

    bdde06b2f10392b9c34fd2d03dc90c33542f96bdedd67b201dd0c782a1b4bf9b

  • SHA512

    7019d5f9304c380fd6abb609ba78c912dabfc11196a99130ec647678977bf1e00a51bb9062c051620d4c77cb48ebd6c5df4d9fd7f0e13c0e71285d39c2d9cc4d

  • SSDEEP

    1536:9qs+XqrzWBlbG6jejoigI343Ywzi0Zb78ivombfexv0ujXyyed2t3tmulgS6pY:r0gzWHY3+zi0ZbYe1g0ujyzdxY

Malware Config

Extracted

Family

redline

Botnet

cheat

C2

95.214.27.27:33806

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build_2.exe
    "C:\Users\Admin\AppData\Local\Temp\build_2.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp996E.tmp

    Filesize

    46KB

    MD5

    02d2c46697e3714e49f46b680b9a6b83

    SHA1

    84f98b56d49f01e9b6b76a4e21accf64fd319140

    SHA256

    522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

    SHA512

    60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

  • C:\Users\Admin\AppData\Local\Temp\tmp99B3.tmp

    Filesize

    92KB

    MD5

    d752b086afe9798d23fb510019fea022

    SHA1

    98dcda5ef1bd802eafc5b253209b566c6959626c

    SHA256

    da0d7144608e1f64a45792370e60b770e73fef155ba06478772d30dffaecae99

    SHA512

    308e8c231f0332425d9c365dbfdccf62869a1962395da92a89058bfc27fae9dba1a396671bc2409455f61a250db4716cec92fd1a6f735911c0945bb73566ff67

  • memory/1304-54-0x0000000000300000-0x000000000031E000-memory.dmp

    Filesize

    120KB

  • memory/1304-55-0x00000000047E0000-0x0000000004820000-memory.dmp

    Filesize

    256KB

  • memory/1304-56-0x00000000047E0000-0x0000000004820000-memory.dmp

    Filesize

    256KB