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 13:33

General

  • Target

    b7ccfc047dd19d3c84b94c6dab420664c94a5840e648342f90dded500241e948.exe

  • Size

    306KB

  • MD5

    7d9b2d9dea67fcfd14d6d1fa6f20b14a

  • SHA1

    479ed7841d06bfad5e635d23297f17233341f957

  • SHA256

    b7ccfc047dd19d3c84b94c6dab420664c94a5840e648342f90dded500241e948

  • SHA512

    49e91cd2ce227c09293f096e7e006547e2fe433fda7803565e73e0971a381b12595c6a9f44c0319d782d525484cc41cabc1c7a0d52069da14f23177ddeb91059

  • 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\b7ccfc047dd19d3c84b94c6dab420664c94a5840e648342f90dded500241e948.exe
    "C:\Users\Admin\AppData\Local\Temp\b7ccfc047dd19d3c84b94c6dab420664c94a5840e648342f90dded500241e948.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4552

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\Tmp5E4C.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4552-25-0x0000000006C60000-0x0000000006D6A000-memory.dmp
    Filesize

    1.0MB

  • memory/4552-35-0x0000000009160000-0x000000000968C000-memory.dmp
    Filesize

    5.2MB

  • memory/4552-3-0x0000000005570000-0x0000000005602000-memory.dmp
    Filesize

    584KB

  • memory/4552-4-0x0000000005730000-0x0000000005740000-memory.dmp
    Filesize

    64KB

  • memory/4552-5-0x0000000005620000-0x000000000562A000-memory.dmp
    Filesize

    40KB

  • memory/4552-1-0x00000000742F0000-0x0000000074AA1000-memory.dmp
    Filesize

    7.7MB

  • memory/4552-20-0x00000000060A0000-0x0000000006116000-memory.dmp
    Filesize

    472KB

  • memory/4552-26-0x0000000006BA0000-0x0000000006BB2000-memory.dmp
    Filesize

    72KB

  • memory/4552-38-0x00000000742F0000-0x0000000074AA1000-memory.dmp
    Filesize

    7.7MB

  • memory/4552-2-0x0000000005A70000-0x0000000006016000-memory.dmp
    Filesize

    5.6MB

  • memory/4552-21-0x0000000006890000-0x00000000068AE000-memory.dmp
    Filesize

    120KB

  • memory/4552-27-0x0000000006C00000-0x0000000006C3C000-memory.dmp
    Filesize

    240KB

  • memory/4552-28-0x0000000006D70000-0x0000000006DBC000-memory.dmp
    Filesize

    304KB

  • memory/4552-29-0x0000000006EC0000-0x0000000006F26000-memory.dmp
    Filesize

    408KB

  • memory/4552-32-0x00000000742F0000-0x0000000074AA1000-memory.dmp
    Filesize

    7.7MB

  • memory/4552-33-0x0000000005730000-0x0000000005740000-memory.dmp
    Filesize

    64KB

  • memory/4552-34-0x0000000008A60000-0x0000000008C22000-memory.dmp
    Filesize

    1.8MB

  • memory/4552-0-0x0000000000A60000-0x0000000000AB2000-memory.dmp
    Filesize

    328KB

  • memory/4552-36-0x0000000008D30000-0x0000000008D80000-memory.dmp
    Filesize

    320KB

  • memory/4552-24-0x0000000007110000-0x0000000007728000-memory.dmp
    Filesize

    6.1MB