Overview

overview

10

Static

static

10

setup.exe

windows7-x64

10

setup.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2023 01:29

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General

  • Target

    setup.exe

  • Size

    696KB

  • MD5

    06dff227eb1af54bfb0c50fc2affff9b

  • SHA1

    b6e7415383e058088e4e569480154f019c5e7f62

  • SHA256

    4473deda804fd3e81f339e24a0cae78595940139eb776fec8f002a1874b04d30

  • SHA512

    5e2b78a89d4dab15b61c45b466d71dd33dcf3ee684cdc207a4b2c8ba4f170291e421c055e3eba5fdd964672785cab7352a852ec142c5e7d91b183ec96bc809ef

  • SSDEEP

    12288:iOLsHy9G6DMz39G6DMzgMMHMMMyMMMZMMMVcR9bzeXOMMHMMMyMMMZMMMVcR9bzK:fQ+GLpGLMMMHMMMvMMZMMMKzbKXOMMH5

Score
10/10
asyncratdefaultratspywarestealer

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

45.66.248.114:8899

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\TarDF40.tmp
    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

    Download Submit
  • memory/1392-54-0x0000000001290000-0x0000000001344000-memory.dmp
    Filesize

    720KB

    Download
  • memory/1392-55-0x0000000000280000-0x00000000002C0000-memory.dmp
    Filesize

    256KB

    Download
  • memory/1392-56-0x0000000000280000-0x00000000002C0000-memory.dmp
    Filesize

    256KB

    Download
  • memory/1392-74-0x0000000005800000-0x000000000587E000-memory.dmp
    Filesize

    504KB

    Download
  • memory/1392-95-0x00000000005E0000-0x00000000005EA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1392-96-0x0000000005CE0000-0x0000000005D70000-memory.dmp
    Filesize

    576KB

    Download
  • memory/1392-97-0x0000000000C60000-0x0000000000CC0000-memory.dmp
    Filesize

    384KB

    Download