Analysis

  • max time kernel
    91s
  • max time network
    93s
  • 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 11:46

General

  • Target

    3b1cb44639d35dfd4e809c02c93c2692a913201f32698fc6a1aaa8bd12bcf33b.exe

  • Size

    305KB

  • MD5

    9923bfcfce8800b688554fa8dd6c471a

  • SHA1

    88b590118ccf34055fa720fb81ec03f5e64f80e4

  • SHA256

    3b1cb44639d35dfd4e809c02c93c2692a913201f32698fc6a1aaa8bd12bcf33b

  • SHA512

    3e40ce86e5f94688cc18e254bda3601a0b9f6be524f803d4135c40b2c9f9a6cd8b166b2dc4c3fa297826941598a3fd15ed391ce6be1471b02db1a4aaa9c6b362

  • 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\3b1cb44639d35dfd4e809c02c93c2692a913201f32698fc6a1aaa8bd12bcf33b.exe
    "C:\Users\Admin\AppData\Local\Temp\3b1cb44639d35dfd4e809c02c93c2692a913201f32698fc6a1aaa8bd12bcf33b.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4708

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\Tmp5CE5.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/4708-25-0x0000000006360000-0x000000000646A000-memory.dmp
    Filesize

    1.0MB

  • memory/4708-35-0x0000000074F30000-0x00000000756E1000-memory.dmp
    Filesize

    7.7MB

  • memory/4708-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp
    Filesize

    584KB

  • memory/4708-4-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
    Filesize

    64KB

  • memory/4708-5-0x0000000004C70000-0x0000000004C7A000-memory.dmp
    Filesize

    40KB

  • memory/4708-1-0x0000000074F30000-0x00000000756E1000-memory.dmp
    Filesize

    7.7MB

  • memory/4708-20-0x00000000051F0000-0x0000000005266000-memory.dmp
    Filesize

    472KB

  • memory/4708-26-0x00000000062A0000-0x00000000062B2000-memory.dmp
    Filesize

    72KB

  • memory/4708-38-0x0000000074F30000-0x00000000756E1000-memory.dmp
    Filesize

    7.7MB

  • memory/4708-2-0x0000000005270000-0x0000000005816000-memory.dmp
    Filesize

    5.6MB

  • memory/4708-21-0x00000000061D0000-0x00000000061EE000-memory.dmp
    Filesize

    120KB

  • memory/4708-27-0x0000000006300000-0x000000000633C000-memory.dmp
    Filesize

    240KB

  • memory/4708-28-0x0000000006470000-0x00000000064BC000-memory.dmp
    Filesize

    304KB

  • memory/4708-29-0x00000000065C0000-0x0000000006626000-memory.dmp
    Filesize

    408KB

  • memory/4708-32-0x0000000007030000-0x0000000007080000-memory.dmp
    Filesize

    320KB

  • memory/4708-33-0x0000000007450000-0x0000000007612000-memory.dmp
    Filesize

    1.8MB

  • memory/4708-34-0x0000000007B50000-0x000000000807C000-memory.dmp
    Filesize

    5.2MB

  • memory/4708-0-0x0000000000290000-0x00000000002E2000-memory.dmp
    Filesize

    328KB

  • memory/4708-36-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
    Filesize

    64KB

  • memory/4708-24-0x0000000006810000-0x0000000006E28000-memory.dmp
    Filesize

    6.1MB