Analysis

  • max time kernel
    91s
  • max time network
    101s
  • 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 14:32

General

  • Target

    b5cf0587fe4677d74cb86e22cadcb94235fb0d21071096d8542769d59275df55.exe

  • Size

    306KB

  • MD5

    d97e63f223139473c0a53046395151e7

  • SHA1

    f76bcf137c446ca9c0a7962964602e9646486428

  • SHA256

    b5cf0587fe4677d74cb86e22cadcb94235fb0d21071096d8542769d59275df55

  • SHA512

    40d5c9ed51685371d6e2fac25cb055c437dabcc11904c1e515cd737e3dca8d3f396d40c25eecb0b1c87eeccb6a204e8c778a8e5c77320d5af38a2f699e276d66

  • 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\b5cf0587fe4677d74cb86e22cadcb94235fb0d21071096d8542769d59275df55.exe
    "C:\Users\Admin\AppData\Local\Temp\b5cf0587fe4677d74cb86e22cadcb94235fb0d21071096d8542769d59275df55.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1588

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\Tmp5F95.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/1588-25-0x0000000006210000-0x000000000631A000-memory.dmp
    Filesize

    1.0MB

  • memory/1588-35-0x0000000074F70000-0x0000000075721000-memory.dmp
    Filesize

    7.7MB

  • memory/1588-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp
    Filesize

    584KB

  • memory/1588-4-0x0000000004D20000-0x0000000004D30000-memory.dmp
    Filesize

    64KB

  • memory/1588-5-0x0000000004B40000-0x0000000004B4A000-memory.dmp
    Filesize

    40KB

  • memory/1588-0-0x0000000000010000-0x0000000000062000-memory.dmp
    Filesize

    328KB

  • memory/1588-20-0x00000000056A0000-0x0000000005716000-memory.dmp
    Filesize

    472KB

  • memory/1588-26-0x0000000006150000-0x0000000006162000-memory.dmp
    Filesize

    72KB

  • memory/1588-38-0x0000000074F70000-0x0000000075721000-memory.dmp
    Filesize

    7.7MB

  • memory/1588-2-0x0000000005070000-0x0000000005616000-memory.dmp
    Filesize

    5.6MB

  • memory/1588-21-0x0000000006080000-0x000000000609E000-memory.dmp
    Filesize

    120KB

  • memory/1588-27-0x00000000061B0000-0x00000000061EC000-memory.dmp
    Filesize

    240KB

  • memory/1588-28-0x0000000006320000-0x000000000636C000-memory.dmp
    Filesize

    304KB

  • memory/1588-29-0x0000000006470000-0x00000000064D6000-memory.dmp
    Filesize

    408KB

  • memory/1588-32-0x0000000006DE0000-0x0000000006E30000-memory.dmp
    Filesize

    320KB

  • memory/1588-33-0x0000000007100000-0x00000000072C2000-memory.dmp
    Filesize

    1.8MB

  • memory/1588-34-0x0000000007800000-0x0000000007D2C000-memory.dmp
    Filesize

    5.2MB

  • memory/1588-1-0x0000000074F70000-0x0000000075721000-memory.dmp
    Filesize

    7.7MB

  • memory/1588-36-0x0000000004D20000-0x0000000004D30000-memory.dmp
    Filesize

    64KB

  • memory/1588-24-0x00000000066C0000-0x0000000006CD8000-memory.dmp
    Filesize

    6.1MB