Analysis

  • max time kernel
    90s
  • 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 11:43

General

  • Target

    a2b0f0aa8268ded0beb9073cd9b76fe3bf77bf30809ea27ece972ec4dfb41f6f.exe

  • Size

    305KB

  • MD5

    c31335eeada66936e80b755b9f978666

  • SHA1

    198f64e48374f988d448339c151e20659d78d3ca

  • SHA256

    a2b0f0aa8268ded0beb9073cd9b76fe3bf77bf30809ea27ece972ec4dfb41f6f

  • SHA512

    46c5485eef730b513fe76616fbf28709cd8dfd51a19d5a4dffade40107e2bbd3a000f1d536282b0357b175a69ae08df4582eac6476b8921d3e71a396ee3e8655

  • 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\a2b0f0aa8268ded0beb9073cd9b76fe3bf77bf30809ea27ece972ec4dfb41f6f.exe
    "C:\Users\Admin\AppData\Local\Temp\a2b0f0aa8268ded0beb9073cd9b76fe3bf77bf30809ea27ece972ec4dfb41f6f.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3000

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\Tmp3EED.tmp
    Filesize

    2KB

    MD5

    1420d30f964eac2c85b2ccfe968eebce

    SHA1

    bdf9a6876578a3e38079c4f8cf5d6c79687ad750

    SHA256

    f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

    SHA512

    6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

  • memory/3000-21-0x0000000006700000-0x000000000671E000-memory.dmp
    Filesize

    120KB

  • memory/3000-3-0x0000000005280000-0x0000000005312000-memory.dmp
    Filesize

    584KB

  • memory/3000-25-0x0000000006890000-0x000000000699A000-memory.dmp
    Filesize

    1.0MB

  • memory/3000-26-0x00000000067D0000-0x00000000067E2000-memory.dmp
    Filesize

    72KB

  • memory/3000-5-0x00000000051A0000-0x00000000051AA000-memory.dmp
    Filesize

    40KB

  • memory/3000-1-0x0000000074F20000-0x00000000756D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3000-20-0x0000000005700000-0x0000000005776000-memory.dmp
    Filesize

    472KB

  • memory/3000-0-0x0000000000690000-0x00000000006E2000-memory.dmp
    Filesize

    328KB

  • memory/3000-36-0x0000000074F20000-0x00000000756D1000-memory.dmp
    Filesize

    7.7MB

  • memory/3000-2-0x0000000005830000-0x0000000005DD6000-memory.dmp
    Filesize

    5.6MB

  • memory/3000-4-0x0000000005210000-0x0000000005220000-memory.dmp
    Filesize

    64KB

  • memory/3000-27-0x0000000006830000-0x000000000686C000-memory.dmp
    Filesize

    240KB

  • memory/3000-28-0x00000000069A0000-0x00000000069EC000-memory.dmp
    Filesize

    304KB

  • memory/3000-29-0x0000000006AE0000-0x0000000006B46000-memory.dmp
    Filesize

    408KB

  • memory/3000-32-0x0000000007730000-0x00000000078F2000-memory.dmp
    Filesize

    1.8MB

  • memory/3000-33-0x0000000007E30000-0x000000000835C000-memory.dmp
    Filesize

    5.2MB

  • memory/3000-34-0x0000000007C00000-0x0000000007C50000-memory.dmp
    Filesize

    320KB

  • memory/3000-24-0x0000000006D40000-0x0000000007358000-memory.dmp
    Filesize

    6.1MB