Analysis

  • max time kernel
    106s
  • max time network
    145s
  • 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 11:42

General

  • Target

    71c1fd085f14f855bba3e29592fdb22031fac27516d6c1a1ef5bcc6f4a0b71ff.exe

  • Size

    305KB

  • MD5

    f1c84afe9abeb8cad075b3cdd9f81dca

  • SHA1

    6092e1c719df374ecb018432a05d18e7e8d0cbb9

  • SHA256

    71c1fd085f14f855bba3e29592fdb22031fac27516d6c1a1ef5bcc6f4a0b71ff

  • SHA512

    f73032d98a650be88d6ac8738041198810de4e3a6446148a2a4eb5750219918c64bd7ba0d60070c36bf21740f046e4d56aaba7e37a17dc61148ca9771b83c06f

  • 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\71c1fd085f14f855bba3e29592fdb22031fac27516d6c1a1ef5bcc6f4a0b71ff.exe
    "C:\Users\Admin\AppData\Local\Temp\71c1fd085f14f855bba3e29592fdb22031fac27516d6c1a1ef5bcc6f4a0b71ff.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4864

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\Tmp65BF.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4864-21-0x0000000006D50000-0x0000000006D6E000-memory.dmp
    Filesize

    120KB

  • memory/4864-3-0x00000000058F0000-0x0000000005982000-memory.dmp
    Filesize

    584KB

  • memory/4864-25-0x0000000006FE0000-0x00000000070EA000-memory.dmp
    Filesize

    1.0MB

  • memory/4864-26-0x0000000006F20000-0x0000000006F32000-memory.dmp
    Filesize

    72KB

  • memory/4864-5-0x0000000005A90000-0x0000000005A9A000-memory.dmp
    Filesize

    40KB

  • memory/4864-1-0x00000000742D0000-0x0000000074A81000-memory.dmp
    Filesize

    7.7MB

  • memory/4864-20-0x0000000006430000-0x00000000064A6000-memory.dmp
    Filesize

    472KB

  • memory/4864-0-0x0000000000DD0000-0x0000000000E22000-memory.dmp
    Filesize

    328KB

  • memory/4864-36-0x00000000742D0000-0x0000000074A81000-memory.dmp
    Filesize

    7.7MB

  • memory/4864-2-0x0000000005E00000-0x00000000063A6000-memory.dmp
    Filesize

    5.6MB

  • memory/4864-4-0x0000000005B70000-0x0000000005B80000-memory.dmp
    Filesize

    64KB

  • memory/4864-27-0x0000000006F80000-0x0000000006FBC000-memory.dmp
    Filesize

    240KB

  • memory/4864-28-0x00000000070F0000-0x000000000713C000-memory.dmp
    Filesize

    304KB

  • memory/4864-29-0x0000000007240000-0x00000000072A6000-memory.dmp
    Filesize

    408KB

  • memory/4864-32-0x0000000007E00000-0x0000000007E50000-memory.dmp
    Filesize

    320KB

  • memory/4864-33-0x0000000008020000-0x00000000081E2000-memory.dmp
    Filesize

    1.8MB

  • memory/4864-34-0x0000000008720000-0x0000000008C4C000-memory.dmp
    Filesize

    5.2MB

  • memory/4864-24-0x0000000007490000-0x0000000007AA8000-memory.dmp
    Filesize

    6.1MB