Overview

overview

10

Static

static

3a0ef62621...97.exe

windows7-x64

10

3a0ef62621...97.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    155s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 06:52

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General

  • Target

    3a0ef626219b20797c166cd6348960cd8d3548e886a3fae1221ccf7451580a97.exe

  • Size

    635KB

  • MD5

    fe61dffc07a3a637ccf775ac015ae4c0

  • SHA1

    90db237ec18e4a8b6f848343cc251f4ff7bfca00

  • SHA256

    3a0ef626219b20797c166cd6348960cd8d3548e886a3fae1221ccf7451580a97

  • SHA512

    72972fd65f6619022c431bf3358a2908006f654a698efaa7d9e47c8aecccc8a4f32ab496736a0130af8a634e003ad152ee3619c10b674adc518d339127951505

  • SSDEEP

    12288:2K2mhAMJ/cPlxipuOeyTaN2uiEqOHYRVPVT04rQWlHkAinpXdZ5FasY:32O/GlxGQUED4RVPVI8Qyqd7FaX

Score
10/10
evasionpersistencetrojan

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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 AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a0ef626219b20797c166cd6348960cd8d3548e886a3fae1221ccf7451580a97.exe
    "C:\Users\Admin\AppData\Local\Temp\3a0ef626219b20797c166cd6348960cd8d3548e886a3fae1221ccf7451580a97.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\63zb9r132a8x\tqxcwyvf.exe
      "C:\Users\Admin\63zb9r132a8x\tqxcwyvf.exe" jikzqahddu.YQV
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
        • Drops file in Windows directory
        PID:524

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

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\63ZB9R~1\fyxnecymda.VJI
    Filesize

    229B

    MD5

    f8a18696cc245c90e3fda95a8a9327c8

    SHA1

    196ebdf852b1356d8828507e01eb486667aa6910

    SHA256

    114df2b748d1081c32acc4e154864a447e89b3beb4eb6142ad603f37fc0cd4ce

    SHA512

    1f9423bd55ecdf0a68d3a5c34abe2ae2ecb1cfc7932d729c7ca874172858282f9290df08257df09119fb538a683a8ac17dc2e9fa03a37055ea47d12ee7cbadcb

    Download Submit
  • C:\Users\Admin\63ZB9R~1\gztw.BRH
    Filesize

    68KB

    MD5

    4fd9798aa6dbddfe4a3aa736670921af

    SHA1

    6f1f55856e26b85bd213a000688b38b14b619442

    SHA256

    1afb7acbc151fe99daa57a29e12f75b2c72de0bdd05c82dc5830600715ecd085

    SHA512

    4066f2288406dc1438bd43c00cb210a3ec544cd8b2ecb2e27a48f51a19f4d9a5e0215124fd27766bdd05cba64c0b846c71ec3daa9e9cc9c7098f82553c396b83

    Download Submit
  • C:\Users\Admin\63zb9r132a8x\jikzqahddu.YQV
    Filesize

    35.6MB

    MD5

    13d7d38239430e4e555ed416dc6366c4

    SHA1

    f72f82f912a4cafc2dd1d2646c5e89ad0450c521

    SHA256

    9fb98509ac38f0e2ede552e816a349fffc6a47ccf7512b16d94d60aadb2bbfbc

    SHA512

    00b1b6d99aaea208c37ebdb86ae91514cee0769faca0a49c031c3118913a0daee4ceeda1fae62be58e528ec777e6db80a895506986ed8eb6e75a74a91384263d

    Download Submit
  • C:\Users\Admin\63zb9r132a8x\tqxcwyvf.exe
    Filesize

    912KB

    MD5

    6a93a4071cc7c22628af40a4d872f49b

    SHA1

    ba916e686aa0cae19ab907bdab94924ada92b5f4

    SHA256

    8465f3fcbccce3ea12495edbb0bd09c3b066e3df891613ce3180f9bb38b37b01

    SHA512

    5a26af395a03397aadab13a53cac320f1d8bbe77046a61ae12e1f72f93df7afb360f52ef52f979f7b946a814365a298c3a3a536add6cdd7165896fb82abc4afd

    Download Submit
  • \Users\Admin\63zb9r132a8x\tqxcwyvf.exe
    Filesize

    912KB

    MD5

    6a93a4071cc7c22628af40a4d872f49b

    SHA1

    ba916e686aa0cae19ab907bdab94924ada92b5f4

    SHA256

    8465f3fcbccce3ea12495edbb0bd09c3b066e3df891613ce3180f9bb38b37b01

    SHA512

    5a26af395a03397aadab13a53cac320f1d8bbe77046a61ae12e1f72f93df7afb360f52ef52f979f7b946a814365a298c3a3a536add6cdd7165896fb82abc4afd

    Download Submit
  • \Users\Admin\63zb9r132a8x\tqxcwyvf.exe
    Filesize

    912KB

    MD5

    6a93a4071cc7c22628af40a4d872f49b

    SHA1

    ba916e686aa0cae19ab907bdab94924ada92b5f4

    SHA256

    8465f3fcbccce3ea12495edbb0bd09c3b066e3df891613ce3180f9bb38b37b01

    SHA512

    5a26af395a03397aadab13a53cac320f1d8bbe77046a61ae12e1f72f93df7afb360f52ef52f979f7b946a814365a298c3a3a536add6cdd7165896fb82abc4afd

    Download Submit
  • \Users\Admin\63zb9r132a8x\tqxcwyvf.exe
    Filesize

    912KB

    MD5

    6a93a4071cc7c22628af40a4d872f49b

    SHA1

    ba916e686aa0cae19ab907bdab94924ada92b5f4

    SHA256

    8465f3fcbccce3ea12495edbb0bd09c3b066e3df891613ce3180f9bb38b37b01

    SHA512

    5a26af395a03397aadab13a53cac320f1d8bbe77046a61ae12e1f72f93df7afb360f52ef52f979f7b946a814365a298c3a3a536add6cdd7165896fb82abc4afd

    Download Submit
  • \Users\Admin\63zb9r132a8x\tqxcwyvf.exe
    Filesize

    912KB

    MD5

    6a93a4071cc7c22628af40a4d872f49b

    SHA1

    ba916e686aa0cae19ab907bdab94924ada92b5f4

    SHA256

    8465f3fcbccce3ea12495edbb0bd09c3b066e3df891613ce3180f9bb38b37b01

    SHA512

    5a26af395a03397aadab13a53cac320f1d8bbe77046a61ae12e1f72f93df7afb360f52ef52f979f7b946a814365a298c3a3a536add6cdd7165896fb82abc4afd

    Download Submit
  • memory/524-65-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

    Download
  • memory/524-67-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

    Download
  • memory/524-68-0x0000000000401F8F-mapping.dmp
    Download
  • memory/524-71-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

    Download
  • memory/524-73-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

    Download
  • memory/1280-54-0x0000000074C41000-0x0000000074C43000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2028-59-0x0000000000000000-mapping.dmp
    Download