Overview

overview

10

Static

static

HEUR-Troja...f0.exe

windows7-x64

10

HEUR-Troja...f0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    59s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2022 04:04

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General

  • Target

    HEUR-Trojan.MSIL.DelShad.gen-9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0.exe

  • Size

    1.1MB

  • MD5

    cf88599048145e4911915215a91527f4

  • SHA1

    f4ba5c7117736388c4de3442b1d6e4f84628c15d

  • SHA256

    9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0

  • SHA512

    254f6e26ed075ff1fe46493e36e6ec7eb70db52d2219070b6a77cbf7202d231fc826bd3fb69bdcaee86e45c9ce4ee8bc7085d37d5627a0bc1d2ec86aa9f2c0f7

  • SSDEEP

    24576:tFJpkHzc3HYxhOIxYk3+cG5w1Uz4RcU96o/pkFMzs3pOqA:zkHzl+0OFO1a4RcU8o/pCMzWO

Score
10/10
babukransomware

Malware Config

Signatures

  • Babuk Locker

    RaaS first seen in 2021 initially called Vasa Locker.

    ransomwarebabuk
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.DelShad.gen-9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.DelShad.gen-9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.DelShad.gen-9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0.exe
      "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.MSIL.DelShad.gen-9f7d6949fd359dce79d3233eb80101ff706a35de5308543b0488450c19eba0f0.exe"
      2⤵
      • Modifies extensions of user files
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1824
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:1764
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1952
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:788
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1200

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

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Downloads

  • memory/752-55-0x0000000075241000-0x0000000075243000-memory.dmp
    Filesize

    8KB

    Download
  • memory/752-56-0x0000000000610000-0x0000000000628000-memory.dmp
    Filesize

    96KB

    Download
  • memory/752-57-0x00000000082B0000-0x0000000008352000-memory.dmp
    Filesize

    648KB

    Download
  • memory/752-58-0x0000000000A20000-0x0000000000A56000-memory.dmp
    Filesize

    216KB

    Download
  • memory/752-54-0x0000000000F90000-0x00000000010BA000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/788-76-0x0000000000000000-mapping.dmp
    Download
  • memory/1764-72-0x0000000000000000-mapping.dmp
    Download
  • memory/1824-71-0x0000000000000000-mapping.dmp
    Download
  • memory/1952-74-0x0000000000000000-mapping.dmp
    Download
  • memory/2000-59-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-65-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-66-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-67-0x000000000040ABC0-mapping.dmp
    Download
  • memory/2000-70-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-64-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-63-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-73-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-75-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-62-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download
  • memory/2000-60-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

    Download