Overview

overview

10

Static

static

10

e2ee3a6b3b...2f.exe

windows7-x64

10

e2ee3a6b3b...2f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/01/2025, 09:02

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General

  • Target

    e2ee3a6b3b33e45ff44f05b19f7ef3f827c38e7e6a9769b93046ba237886622f.exe

  • Size

    45KB

  • MD5

    0da7191bce0f1a09ba553a4786b9fc76

  • SHA1

    a527503e0a49b18dafe3988364dd6862510775af

  • SHA256

    e2ee3a6b3b33e45ff44f05b19f7ef3f827c38e7e6a9769b93046ba237886622f

  • SHA512

    07daa0555f0d52e90fea9b2a9f2b8a01e65ed5b058b446c6b1f1468ec0d99253a7f154aec3fab1b7e8af747516ba0241f9d3c430b81b28b2255917c627e71f16

  • SSDEEP

    768:lu0OVT0kWNnWUb11lmo2qjgKjPGaG6PIyzjbFgX3i/JDf7P3o7Mk5C3gbBDZrx:lu0OVT01r2dKTkDy3bCXS/JDf7/zuC3

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

ywsfalsysy.duckdns.org:4444

Mutex

55DzjJCEgynH

Attributes
  • delay

    3

  • install

    true

  • install_file

    AggregatorHost.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Asyncrat family
    asyncrat
  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2ee3a6b3b33e45ff44f05b19f7ef3f827c38e7e6a9769b93046ba237886622f.exe
    "C:\Users\Admin\AppData\Local\Temp\e2ee3a6b3b33e45ff44f05b19f7ef3f827c38e7e6a9769b93046ba237886622f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AggregatorHost" /tr '"C:\Users\Admin\AppData\Roaming\AggregatorHost.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "AggregatorHost" /tr '"C:\Users\Admin\AppData\Roaming\AggregatorHost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4832
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA076.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3188
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:916
      • C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
        "C:\Users\Admin\AppData\Roaming\AggregatorHost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA076.tmp.bat
    Filesize

    158B

    MD5

    cb426aaa382270ff551cc66b84a28d53

    SHA1

    1c153b4b9256895a95643bfdc30efba8beb9272f

    SHA256

    9c988ee07603884e2e03c3cc5468d4f9ac39a02668fa49bbbd4e785a4bd5e53a

    SHA512

    30984d4bc2d7c86047eebb7654d5c6a3f0a512e536f8ecd0e975f7e5ff6ae310539bfa6f5d60f85ef06a178624cc490fd1a9db63223d2c06533421554563bf7e

    Download Submit

  • C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
    Filesize

    45KB

    MD5

    0da7191bce0f1a09ba553a4786b9fc76

    SHA1

    a527503e0a49b18dafe3988364dd6862510775af

    SHA256

    e2ee3a6b3b33e45ff44f05b19f7ef3f827c38e7e6a9769b93046ba237886622f

    SHA512

    07daa0555f0d52e90fea9b2a9f2b8a01e65ed5b058b446c6b1f1468ec0d99253a7f154aec3fab1b7e8af747516ba0241f9d3c430b81b28b2255917c627e71f16

    Download Submit

  • memory/1476-0-0x000000007456E000-0x000000007456F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1476-1-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1476-2-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1476-3-0x0000000005880000-0x000000000591C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/1476-9-0x0000000074560000-0x0000000074D10000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4868-13-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4868-14-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

    Download