Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    24-04-2024 11:06

General

  • Target

    ca28053841e7d7e6b42f7b7dd38b0f50.exe

  • Size

    305KB

  • MD5

    ca28053841e7d7e6b42f7b7dd38b0f50

  • SHA1

    c9569814c98db8abb4aab100ab2eea649eeb9af8

  • SHA256

    4ae2e13993a8ef1fbaf538b4da18eca6e0b5ada918cbeb256c8490f6fc3b34fc

  • SHA512

    c86f17323b43391c7a9b746787a7de607f4bf470be6c34827787c227301594a48a8fa3c49d4ac310d3fee7e6ba62754a151ee1ead15c87890637cd335802e301

  • 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 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca28053841e7d7e6b42f7b7dd38b0f50.exe
    "C:\Users\Admin\AppData\Local\Temp\ca28053841e7d7e6b42f7b7dd38b0f50.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1664

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\Tmp1556.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/1664-0-0x0000000000FF0000-0x0000000001042000-memory.dmp
    Filesize

    328KB

  • memory/1664-1-0x0000000073EC0000-0x00000000745AE000-memory.dmp
    Filesize

    6.9MB

  • memory/1664-2-0x0000000000A80000-0x0000000000AC0000-memory.dmp
    Filesize

    256KB

  • memory/1664-18-0x0000000073EC0000-0x00000000745AE000-memory.dmp
    Filesize

    6.9MB