Resubmissions

21-02-2023 12:00

230221-n6fzlagf2s 10

21-10-2021 09:05

211021-k16raaaaf6 10

Analysis

  • max time kernel
    61s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 09:05

General

  • Target

    usfive_20211021-084805.exe

  • Size

    337KB

  • MD5

    a371cb8030ecb71c1246359e86e45fe6

  • SHA1

    8cc4982a22d833799906bd8c9616385142386407

  • SHA256

    f8f717beb9b7de0b20ef86dcabc3a7b107fcfd933daa17899ff95dce53ba6db8

  • SHA512

    8875fb83ce689f5f8dced5cbde2e40cdc9adfbf716f34770bdc747e0ef47d3766c91c1c9c30a1638381617e47bf8650d4909b24822e957102cffc5aa58338100

Malware Config

Extracted

Family

redline

Botnet

netlyvpn evadav

C2

94.103.9.181:25749

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\usfive_20211021-084805.exe
    "C:\Users\Admin\AppData\Local\Temp\usfive_20211021-084805.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5084

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5084-116-0x0000000004B30000-0x0000000004B60000-memory.dmp
    Filesize

    192KB

  • memory/5084-115-0x0000000004B00000-0x0000000004B22000-memory.dmp
    Filesize

    136KB

  • memory/5084-117-0x0000000004CD0000-0x0000000004CEF000-memory.dmp
    Filesize

    124KB

  • memory/5084-118-0x00000000076A0000-0x00000000076A1000-memory.dmp
    Filesize

    4KB

  • memory/5084-119-0x00000000075C0000-0x00000000075DD000-memory.dmp
    Filesize

    116KB

  • memory/5084-120-0x0000000007CA0000-0x0000000007CA1000-memory.dmp
    Filesize

    4KB

  • memory/5084-121-0x00000000082B0000-0x00000000082B1000-memory.dmp
    Filesize

    4KB

  • memory/5084-123-0x0000000007690000-0x0000000007691000-memory.dmp
    Filesize

    4KB

  • memory/5084-122-0x0000000000400000-0x0000000002F1B000-memory.dmp
    Filesize

    43.1MB

  • memory/5084-124-0x0000000007692000-0x0000000007693000-memory.dmp
    Filesize

    4KB

  • memory/5084-125-0x0000000007693000-0x0000000007694000-memory.dmp
    Filesize

    4KB

  • memory/5084-126-0x0000000008390000-0x0000000008391000-memory.dmp
    Filesize

    4KB

  • memory/5084-127-0x00000000083B0000-0x00000000083B1000-memory.dmp
    Filesize

    4KB

  • memory/5084-128-0x0000000007694000-0x0000000007696000-memory.dmp
    Filesize

    8KB

  • memory/5084-129-0x0000000009C50000-0x0000000009C51000-memory.dmp
    Filesize

    4KB

  • memory/5084-130-0x0000000009CD0000-0x0000000009CD1000-memory.dmp
    Filesize

    4KB

  • memory/5084-131-0x000000000A8D0000-0x000000000A8D1000-memory.dmp
    Filesize

    4KB

  • memory/5084-132-0x000000000AAA0000-0x000000000AAA1000-memory.dmp
    Filesize

    4KB

  • memory/5084-133-0x000000000B0D0000-0x000000000B0D1000-memory.dmp
    Filesize

    4KB

  • memory/5084-134-0x000000000B410000-0x000000000B411000-memory.dmp
    Filesize

    4KB

  • memory/5084-135-0x000000000B510000-0x000000000B511000-memory.dmp
    Filesize

    4KB

  • memory/5084-136-0x000000000B590000-0x000000000B591000-memory.dmp
    Filesize

    4KB