Analysis

  • max time kernel
    91s
  • max time network
    96s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-04-2024 14:59

General

  • Target

    4f66946b66eca97b0389f4c099c06dde054832e997821389913be4cdc6528be0.exe

  • Size

    306KB

  • MD5

    475922528e71485a5c0a93a1e0446cb7

  • SHA1

    5d658e3107cdadadfb2524950898286e9aed11cc

  • SHA256

    4f66946b66eca97b0389f4c099c06dde054832e997821389913be4cdc6528be0

  • SHA512

    86e900bca803cdffe4bb8f142de287ea9413689af0114274feea45dfc7a27ae3b09b8dbe4052c66659b2aaa2eabf14e264e8c6c25244545809a040fe801e6b5c

  • SSDEEP

    6144:/qY6irwP7YfmrYiJv7TAPAzdcZqf7DI/L:/nwPkiJvGAzdcUzs/

Malware Config

Extracted

Family

redline

Botnet

spoo

C2

103.113.70.99:2630

Signatures

  • RedLine

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

  • RedLine 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f66946b66eca97b0389f4c099c06dde054832e997821389913be4cdc6528be0.exe
    "C:\Users\Admin\AppData\Local\Temp\4f66946b66eca97b0389f4c099c06dde054832e997821389913be4cdc6528be0.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp3047.tmp

    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3600-25-0x0000000006310000-0x000000000641A000-memory.dmp

    Filesize

    1.0MB

  • memory/3600-35-0x0000000008CA0000-0x00000000091CC000-memory.dmp

    Filesize

    5.2MB

  • memory/3600-3-0x0000000004B70000-0x0000000004C02000-memory.dmp

    Filesize

    584KB

  • memory/3600-4-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

    Filesize

    64KB

  • memory/3600-5-0x0000000004B30000-0x0000000004B3A000-memory.dmp

    Filesize

    40KB

  • memory/3600-1-0x0000000074B40000-0x00000000752F1000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-20-0x00000000056B0000-0x0000000005726000-memory.dmp

    Filesize

    472KB

  • memory/3600-26-0x0000000006250000-0x0000000006262000-memory.dmp

    Filesize

    72KB

  • memory/3600-38-0x0000000074B40000-0x00000000752F1000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-2-0x0000000005080000-0x0000000005626000-memory.dmp

    Filesize

    5.6MB

  • memory/3600-21-0x0000000006180000-0x000000000619E000-memory.dmp

    Filesize

    120KB

  • memory/3600-27-0x00000000062B0000-0x00000000062EC000-memory.dmp

    Filesize

    240KB

  • memory/3600-28-0x0000000006420000-0x000000000646C000-memory.dmp

    Filesize

    304KB

  • memory/3600-29-0x0000000006560000-0x00000000065C6000-memory.dmp

    Filesize

    408KB

  • memory/3600-32-0x0000000006EE0000-0x0000000006F30000-memory.dmp

    Filesize

    320KB

  • memory/3600-33-0x0000000074B40000-0x00000000752F1000-memory.dmp

    Filesize

    7.7MB

  • memory/3600-34-0x00000000085A0000-0x0000000008762000-memory.dmp

    Filesize

    1.8MB

  • memory/3600-0-0x0000000000150000-0x00000000001A2000-memory.dmp

    Filesize

    328KB

  • memory/3600-36-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

    Filesize

    64KB

  • memory/3600-24-0x00000000067C0000-0x0000000006DD8000-memory.dmp

    Filesize

    6.1MB