Overview

overview

10

Static

static

10

e24dd26925...2e.exe

windows7-x64

10

e24dd26925...2e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2024 04:24

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General

  • Target

    e24dd26925db61391a279370f6ee22e4d35ea0a13ca88ae7dae5a8def177832e.exe

  • Size

    45KB

  • MD5

    d713ae5b9cff7387e5a9363046db5caa

  • SHA1

    70b052a2e2994cb8579e75d97607c2ff7a1095f4

  • SHA256

    e24dd26925db61391a279370f6ee22e4d35ea0a13ca88ae7dae5a8def177832e

  • SHA512

    b4c9f1b780e39224928f023b80d03a117d6e19670b3615fad4d9d7269d9b1397ed15e54c437a0b203b436869350fa59577482f05bed9274677733aa690463be7

  • SSDEEP

    768:yuETKT0k3qXWUrV6e1mo2qyI3XqJthIf33OPI8zjbugXvipn5Wz8e/zX5iBDZqx:yuETKT0cE2/AXw2v383bRXKpn5WVcdqx

Score
10/10
asyncratgiampierodiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

giampiero

C2

194.55.186.129:5000

Mutex

NBzTELYY8p2o

Attributes
  • delay

    3

  • install

    true

  • install_file

    $77svchost.exe

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e24dd26925db61391a279370f6ee22e4d35ea0a13ca88ae7dae5a8def177832e.exe
    "C:\Users\Admin\AppData\Local\Temp\e24dd26925db61391a279370f6ee22e4d35ea0a13ca88ae7dae5a8def177832e.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "$77svchost" /tr '"C:\Users\Admin\AppData\Roaming\$77svchost.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "$77svchost" /tr '"C:\Users\Admin\AppData\Roaming\$77svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2296
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp84B1.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:880
      • C:\Users\Admin\AppData\Roaming\$77svchost.exe
        "C:\Users\Admin\AppData\Roaming\$77svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4908

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp84B1.tmp.bat
    Filesize

    154B

    MD5

    97ced6795d0e3e015879ac9229302a71

    SHA1

    8e4d26ce56785e75168e467eb1bb0117d49e73db

    SHA256

    aa2c9a6f09d465dc219f5a0a742dea8db1873a6d66015ab25054e45d49f54490

    SHA512

    c130196a9693e77b8907774f66bcfa156261f18f557c0198ce77b7a9632dc8c2300f47cce73c223ee75933c3a488aaedfa8b0a2e9a1b402ef4bec2ebb74dde1b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\$77svchost.exe
    Filesize

    45KB

    MD5

    d713ae5b9cff7387e5a9363046db5caa

    SHA1

    70b052a2e2994cb8579e75d97607c2ff7a1095f4

    SHA256

    e24dd26925db61391a279370f6ee22e4d35ea0a13ca88ae7dae5a8def177832e

    SHA512

    b4c9f1b780e39224928f023b80d03a117d6e19670b3615fad4d9d7269d9b1397ed15e54c437a0b203b436869350fa59577482f05bed9274677733aa690463be7

    Download Submit

  • memory/3960-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3960-1-0x0000000000410000-0x0000000000422000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3960-2-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3960-3-0x0000000004E20000-0x0000000004EBC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3960-8-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4908-13-0x0000000074C00000-0x00000000753B0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4908-14-0x0000000074C00000-0x00000000753B0000-memory.dmp

    Filesize

    7.7MB

    Download