Analysis

  • max time kernel
    90s
  • max time network
    95s
  • 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 11:53

General

  • Target

    519e9d45822455e426cc9ae9c807567d05c667c419015835045d75112f39921a.exe

  • Size

    305KB

  • MD5

    cdd0f19b579ccab8324dfb3d5e3efc68

  • SHA1

    3f152b308b28f81b5069980998bac13bc838cd60

  • SHA256

    519e9d45822455e426cc9ae9c807567d05c667c419015835045d75112f39921a

  • SHA512

    b4b1d7f078c3a8d7a7142e13902944f4336d4fb09f40a5ef28fc622f5f6507332f9d87e660a917c73ff17e11a97f2944588b3f85655d616091b8ad8fe4b9e929

  • 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\519e9d45822455e426cc9ae9c807567d05c667c419015835045d75112f39921a.exe
    "C:\Users\Admin\AppData\Local\Temp\519e9d45822455e426cc9ae9c807567d05c667c419015835045d75112f39921a.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4668

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Tmp5D91.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4668-21-0x0000000006C50000-0x0000000006C6E000-memory.dmp
    Filesize

    120KB

  • memory/4668-3-0x0000000005870000-0x0000000005902000-memory.dmp
    Filesize

    584KB

  • memory/4668-25-0x0000000006EE0000-0x0000000006FEA000-memory.dmp
    Filesize

    1.0MB

  • memory/4668-26-0x0000000006E20000-0x0000000006E32000-memory.dmp
    Filesize

    72KB

  • memory/4668-5-0x00000000057F0000-0x00000000057FA000-memory.dmp
    Filesize

    40KB

  • memory/4668-0-0x0000000000CE0000-0x0000000000D32000-memory.dmp
    Filesize

    328KB

  • memory/4668-20-0x0000000005D80000-0x0000000005DF6000-memory.dmp
    Filesize

    472KB

  • memory/4668-1-0x00000000742F0000-0x0000000074AA1000-memory.dmp
    Filesize

    7.7MB

  • memory/4668-36-0x00000000742F0000-0x0000000074AA1000-memory.dmp
    Filesize

    7.7MB

  • memory/4668-2-0x0000000005E20000-0x00000000063C6000-memory.dmp
    Filesize

    5.6MB

  • memory/4668-4-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
    Filesize

    64KB

  • memory/4668-27-0x0000000006E80000-0x0000000006EBC000-memory.dmp
    Filesize

    240KB

  • memory/4668-28-0x0000000006FF0000-0x000000000703C000-memory.dmp
    Filesize

    304KB

  • memory/4668-29-0x0000000007140000-0x00000000071A6000-memory.dmp
    Filesize

    408KB

  • memory/4668-32-0x0000000007AB0000-0x0000000007B00000-memory.dmp
    Filesize

    320KB

  • memory/4668-33-0x0000000008010000-0x00000000081D2000-memory.dmp
    Filesize

    1.8MB

  • memory/4668-34-0x0000000008D50000-0x000000000927C000-memory.dmp
    Filesize

    5.2MB

  • memory/4668-24-0x0000000007390000-0x00000000079A8000-memory.dmp
    Filesize

    6.1MB