Analysis

  • max time kernel
    93s
  • max time network
    97s
  • 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 14:35

General

  • Target

    f44b2c531bfc4af3dd81c02f95a2f41346249daa93e8dcf06f758d0b05437e5f.exe

  • Size

    306KB

  • MD5

    f55c5cbcc38c3e198955987f6d906f43

  • SHA1

    852d0fcd3ce042e5d6976b614c1cb136e7f93cc9

  • SHA256

    f44b2c531bfc4af3dd81c02f95a2f41346249daa93e8dcf06f758d0b05437e5f

  • SHA512

    fe51106067ff2f965797dd4d6810beed26260d2f38c0b119d2e027101052c32fa458b2904f8862672ce85a917362292867bb70922865be0911ef3c8d077380c9

  • 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\f44b2c531bfc4af3dd81c02f95a2f41346249daa93e8dcf06f758d0b05437e5f.exe
    "C:\Users\Admin\AppData\Local\Temp\f44b2c531bfc4af3dd81c02f95a2f41346249daa93e8dcf06f758d0b05437e5f.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3560

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\Tmp3F0C.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3560-21-0x0000000006600000-0x000000000661E000-memory.dmp
    Filesize

    120KB

  • memory/3560-3-0x00000000050D0000-0x0000000005162000-memory.dmp
    Filesize

    584KB

  • memory/3560-25-0x0000000006790000-0x000000000689A000-memory.dmp
    Filesize

    1.0MB

  • memory/3560-26-0x00000000066D0000-0x00000000066E2000-memory.dmp
    Filesize

    72KB

  • memory/3560-5-0x00000000050B0000-0x00000000050BA000-memory.dmp
    Filesize

    40KB

  • memory/3560-1-0x0000000074F20000-0x00000000756D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3560-20-0x00000000055F0000-0x0000000005666000-memory.dmp
    Filesize

    472KB

  • memory/3560-0-0x0000000000590000-0x00000000005E2000-memory.dmp
    Filesize

    328KB

  • memory/3560-36-0x0000000074F20000-0x00000000756D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3560-2-0x0000000005680000-0x0000000005C26000-memory.dmp
    Filesize

    5.6MB

  • memory/3560-4-0x0000000005050000-0x0000000005060000-memory.dmp
    Filesize

    64KB

  • memory/3560-27-0x0000000006730000-0x000000000676C000-memory.dmp
    Filesize

    240KB

  • memory/3560-28-0x00000000068A0000-0x00000000068EC000-memory.dmp
    Filesize

    304KB

  • memory/3560-29-0x00000000069E0000-0x0000000006A46000-memory.dmp
    Filesize

    408KB

  • memory/3560-32-0x00000000080B0000-0x0000000008100000-memory.dmp
    Filesize

    320KB

  • memory/3560-33-0x00000000078D0000-0x0000000007A92000-memory.dmp
    Filesize

    1.8MB

  • memory/3560-34-0x0000000008740000-0x0000000008C6C000-memory.dmp
    Filesize

    5.2MB

  • memory/3560-24-0x0000000006C40000-0x0000000007258000-memory.dmp
    Filesize

    6.1MB