Overview

overview

10

Static

static

dd7f879939...1f.exe

windows7-x64

10

dd7f879939...1f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:37

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    dd7f87993993550179c238abfb97c8bf9553b821a069423c4c930cfed8c2de1f.exe

  • Size

    244KB

  • MD5

    557a9d01550f64f357195db9982e6318

  • SHA1

    b38c9a8ed1ef5f8bb10afe72ae8442d035cfdd6f

  • SHA256

    dd7f87993993550179c238abfb97c8bf9553b821a069423c4c930cfed8c2de1f

  • SHA512

    28d6e90c4bd757aa51ec59d72376ce6e1a1ffd94c2c6f231dbd1b2ec3722bf19366df3a77c3cb9adf03a76177eaa503708df02fad3b5ca76dc74788a863044eb

  • SSDEEP

    3072:bhPBd/sROnFQP5yIuSP9lqVinU3bp/PTm2moJ6BwA+GABMndgfaU:bhJdM7PnqVinU3bw2moJ6WAdgy

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 29 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd7f87993993550179c238abfb97c8bf9553b821a069423c4c930cfed8c2de1f.exe
    "C:\Users\Admin\AppData\Local\Temp\dd7f87993993550179c238abfb97c8bf9553b821a069423c4c930cfed8c2de1f.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Users\Admin\reauc.exe
      "C:\Users\Admin\reauc.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\reauc.exe
    Filesize

    244KB

    MD5

    4bb4d56bd9fb1e34d0bde068c620457a

    SHA1

    ccacc41fdaa6059fd28de4ca2b22e3d31fc31ce1

    SHA256

    82d317a21069c4307967cb3a8f42748926eaafa3108eb6576c6ccede9526a24a

    SHA512

    281b4535482ffa51d4a6a5bdbb99bc5db2ffb28ee49c96e6e064d6af09f74868e34d66bd77c94836ecf34dac819bf0b03225aac25c4592217a7f288d0108f0d0

    Download Submit
  • C:\Users\Admin\reauc.exe
    Filesize

    244KB

    MD5

    4bb4d56bd9fb1e34d0bde068c620457a

    SHA1

    ccacc41fdaa6059fd28de4ca2b22e3d31fc31ce1

    SHA256

    82d317a21069c4307967cb3a8f42748926eaafa3108eb6576c6ccede9526a24a

    SHA512

    281b4535482ffa51d4a6a5bdbb99bc5db2ffb28ee49c96e6e064d6af09f74868e34d66bd77c94836ecf34dac819bf0b03225aac25c4592217a7f288d0108f0d0

    Download Submit
  • memory/3292-134-0x0000000000000000-mapping.dmp
    Download