Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23-04-2024 19:31

General

  • Target

    6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53.exe

  • Size

    304KB

  • MD5

    e9c6cf15980688c2d0eca2b8fd36cb37

  • SHA1

    328078770d6df3042d7737daf0c1cdc61a4180f5

  • SHA256

    6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53

  • SHA512

    e6a39a1345256896bc78a8184d5020026d125fe54cfe48e89247169eeb5c59bcab4a00a91b1078bbaf71677868bf29b4b56768183dc9d595af4f04645299089f

  • SSDEEP

    3072:Rq6EgY6iHrUjZd+kwPj+BcQ4MuZRCLbTA4SASinQcZqf7D34VeqiOLibBOl:wqY6iswP6c5MSCPTATAdQcZqf7DI/L

Malware Config

Extracted

Family

redline

Botnet

@cloudcosmic (https://cloudcosmic.store)

C2

87.121.105.175:14845

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\6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53.exe
    "C:\Users\Admin\AppData\Local\Temp\6c70db8bdfc6f6506ee80fcb7c3c6152e81e464b29f0b6cbe2294997f7531b53.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3832

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\Tmp5F27.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3832-25-0x0000000006E10000-0x0000000006F1A000-memory.dmp
    Filesize

    1.0MB

  • memory/3832-35-0x0000000075220000-0x00000000759D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3832-3-0x0000000005720000-0x00000000057B2000-memory.dmp
    Filesize

    584KB

  • memory/3832-4-0x0000000005840000-0x0000000005850000-memory.dmp
    Filesize

    64KB

  • memory/3832-5-0x00000000057C0000-0x00000000057CA000-memory.dmp
    Filesize

    40KB

  • memory/3832-1-0x0000000075220000-0x00000000759D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3832-20-0x00000000062A0000-0x0000000006316000-memory.dmp
    Filesize

    472KB

  • memory/3832-26-0x0000000006D50000-0x0000000006D62000-memory.dmp
    Filesize

    72KB

  • memory/3832-38-0x0000000075220000-0x00000000759D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3832-2-0x0000000005BF0000-0x0000000006196000-memory.dmp
    Filesize

    5.6MB

  • memory/3832-21-0x0000000006C80000-0x0000000006C9E000-memory.dmp
    Filesize

    120KB

  • memory/3832-27-0x0000000006DB0000-0x0000000006DEC000-memory.dmp
    Filesize

    240KB

  • memory/3832-28-0x0000000006F20000-0x0000000006F6C000-memory.dmp
    Filesize

    304KB

  • memory/3832-29-0x0000000007060000-0x00000000070C6000-memory.dmp
    Filesize

    408KB

  • memory/3832-32-0x0000000007BB0000-0x0000000007D72000-memory.dmp
    Filesize

    1.8MB

  • memory/3832-33-0x00000000082B0000-0x00000000087DC000-memory.dmp
    Filesize

    5.2MB

  • memory/3832-34-0x00000000081D0000-0x0000000008220000-memory.dmp
    Filesize

    320KB

  • memory/3832-0-0x0000000000C00000-0x0000000000C52000-memory.dmp
    Filesize

    328KB

  • memory/3832-36-0x0000000005840000-0x0000000005850000-memory.dmp
    Filesize

    64KB

  • memory/3832-24-0x00000000072C0000-0x00000000078D8000-memory.dmp
    Filesize

    6.1MB