Analysis

  • max time kernel
    90s
  • max time network
    92s
  • 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 12:25

General

  • Target

    a2ecf2fb12f08b68b3e6821561607822948c42f737b427069371ebbb54d09d2b.exe

  • Size

    305KB

  • MD5

    5d87453a3e78c6945be960e9158d32f1

  • SHA1

    cad6682604a1abaa948504ec35c71d6e15b1ec8c

  • SHA256

    a2ecf2fb12f08b68b3e6821561607822948c42f737b427069371ebbb54d09d2b

  • SHA512

    abf9eb838f9f0bfad41514ab277e5ba49dc587a120c8b7406a81023b1d974b4586f1030ba871eb4e80dd93d6fffa045d8d5c98f7a5b8c0f9660b61ea88276308

  • 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\a2ecf2fb12f08b68b3e6821561607822948c42f737b427069371ebbb54d09d2b.exe
    "C:\Users\Admin\AppData\Local\Temp\a2ecf2fb12f08b68b3e6821561607822948c42f737b427069371ebbb54d09d2b.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2180

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\Tmp4650.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/2180-21-0x0000000006080000-0x000000000609E000-memory.dmp
    Filesize

    120KB

  • memory/2180-3-0x0000000004B20000-0x0000000004BB2000-memory.dmp
    Filesize

    584KB

  • memory/2180-25-0x0000000006210000-0x000000000631A000-memory.dmp
    Filesize

    1.0MB

  • memory/2180-26-0x0000000006150000-0x0000000006162000-memory.dmp
    Filesize

    72KB

  • memory/2180-5-0x0000000004BD0000-0x0000000004BDA000-memory.dmp
    Filesize

    40KB

  • memory/2180-0-0x0000000000010000-0x0000000000062000-memory.dmp
    Filesize

    328KB

  • memory/2180-20-0x0000000005690000-0x0000000005706000-memory.dmp
    Filesize

    472KB

  • memory/2180-1-0x0000000074770000-0x0000000074F21000-memory.dmp
    Filesize

    7.7MB

  • memory/2180-36-0x0000000074770000-0x0000000074F21000-memory.dmp
    Filesize

    7.7MB

  • memory/2180-2-0x0000000004FE0000-0x0000000005586000-memory.dmp
    Filesize

    5.6MB

  • memory/2180-4-0x0000000004C70000-0x0000000004C80000-memory.dmp
    Filesize

    64KB

  • memory/2180-27-0x00000000061B0000-0x00000000061EC000-memory.dmp
    Filesize

    240KB

  • memory/2180-28-0x0000000006320000-0x000000000636C000-memory.dmp
    Filesize

    304KB

  • memory/2180-29-0x0000000006460000-0x00000000064C6000-memory.dmp
    Filesize

    408KB

  • memory/2180-32-0x0000000006DE0000-0x0000000006E30000-memory.dmp
    Filesize

    320KB

  • memory/2180-33-0x0000000007400000-0x00000000075C2000-memory.dmp
    Filesize

    1.8MB

  • memory/2180-34-0x0000000007B00000-0x000000000802C000-memory.dmp
    Filesize

    5.2MB

  • memory/2180-24-0x00000000066C0000-0x0000000006CD8000-memory.dmp
    Filesize

    6.1MB