Overview

overview

9

Static

static

3

eaa0e773eb...bc.exe

windows7-x64

9

eaa0e773eb...bc.exe

windows10-1703-x64

9

eaa0e773eb...bc.exe

windows10-2004-x64

9

eaa0e773eb...bc.exe

windows11-21h2-x64

9

Resubmissions

13-08-2024 12:55

240813-p5s37svarb 9

03-08-2024 05:56

240803-gng1lsvfnn 9

29-07-2024 17:59

240729-wkpzdawhlc 9

29-07-2024 13:14

240729-qg3heazdpj 9

Analysis

  • max time kernel
    141s
  • max time network
    131s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13-08-2024 12:55

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General

  • Target

    eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc.exe

  • Size

    162KB

  • MD5

    7e851829ee37bc0cf65a268d1d1baa7a

  • SHA1

    672553c79db2a3859a8ea216804d4ff8d2ded538

  • SHA256

    eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc

  • SHA512

    856c6d27669b3123064d85adbc119414f5418f80bbbc9f85f4575df97cf34d1f4ab96fab5442a337ac6a90c076ba5af835f5286cb403acfb3a1e4fc5d0834ebd

  • SSDEEP

    3072:rjvNTtA6pzarOLgSua/iw6kzg3qe1PTjrnFFMVUT6tSTC6D1vtPR1DO66ddJpW3h:r72qe1PTjrnf/KMR1j6df01fiuAP3xFm

Score
9/10
credential_accessdiscoveryransomwarestealer

Malware Config

Signatures

  • Renames multiple (299) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

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

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

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

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc.exe
    "C:\Users\Admin\AppData\Local\Temp\eaa0e773eb593b0046452f420b6db8a47178c09e6db0fa68f6a2d42c3f48e3bc.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2660
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:3112
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1336
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{1C858C6D-17F5-4970-A53F-B2051DD73E0E}.xps" 133680273226730000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:5172

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials from Password Stores

    1
    T1555

    Windows Credential Manager

    1
    T1555.004

    Discovery

    Query Registry

    3
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    4
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Defacement

    1
    T1491

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Adobe\README.txt
      Filesize

      423B

      MD5

      7ff94943cdf15452a094e7a8587755b6

      SHA1

      663d82d423fd075b4c87e6428e9c2556c474b88e

      SHA256

      6497c4ac3c3c1dc3fa0405571007a21ae4cecb7cc7cc170c4ad17f683a6118a5

      SHA512

      da91f22c6c9fd4f25a5bc6be74c2dbf1b4d886af97d6dba49de12bef6f9d511b7cd834bae1851a5b4057b665353b2d6b802c5c45076ca5af94827db2ef2028ef

      Download Submit
    • C:\ProgramData\Microsoft\Office\ClickToRunPackageLocker
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      Download Submit
    • C:\ProgramData\Microsoft\SmsRouter\MessageStore\edbres00002.jrs
      Filesize

      64KB

      MD5

      ea40fe7c2d9c5c33cf9ebe80d9034e03

      SHA1

      185c50c4dfda0081461ef3402feab6d51e2bb137

      SHA256

      6268279dc8bff47e00c22ad8e82ffcb0d29ce250b914273e03272becc9d0dbd4

      SHA512

      f775b12a55fbc41677a56c3f68649d7d25527e3c45161bdebdbe31b993305f0c751eb0431c135d711f508d7da28781780f12f87bbaac2ad4dff1dc99ecf47ce3

      Download Submit
    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
      Filesize

      4KB

      MD5

      0244587aa48090435ebdea75bcc8d291

      SHA1

      f65d3952dae880e488e86f272941bf23bc2438ef

      SHA256

      59bbd3b39b17ab0c233720e6aa35ad508c44769af0418651210ff2409e45e504

      SHA512

      aa63c48979cc6a9e570d46557c0196d001edb005930a4c29c5ce50cdd99487dd4e8b55301e842562f455922a94f23d1b3e57e5249f55c8bee16fe2d66f820837

      Download Submit
    • memory/5172-1154-0x00007FFAE1830000-0x00007FFAE1840000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5172-1155-0x00007FFAE1830000-0x00007FFAE1840000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5172-1156-0x00007FFAE1830000-0x00007FFAE1840000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5172-1157-0x00007FFAE1830000-0x00007FFAE1840000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5172-1158-0x00007FFAE1830000-0x00007FFAE1840000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5172-1159-0x00007FFADEC90000-0x00007FFADECA0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/5172-1160-0x00007FFADEC90000-0x00007FFADECA0000-memory.dmp
      Filesize

      64KB

      Download