Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2024 03:23

General

  • Target

    3fc4f59e7aa2ac0a1bffbc8d2e4d29dc.exe

  • Size

    1.9MB

  • MD5

    3fc4f59e7aa2ac0a1bffbc8d2e4d29dc

  • SHA1

    b4ec80627dea1ce0cf48180ead2647c1e59a11f4

  • SHA256

    e10ea81c37adf8e2d4d37fd1a7220318c7a83233b6abf4a79a12c756d3a3dc44

  • SHA512

    c6f6dc178c563aa794f437ae72b2999695a98e97605dee9de4f053bf5b4e4838b1029377c35b6eb4b161f29834b78578c08a27f0455e4dc8bc1bfa24bb91fb97

  • SSDEEP

    49152:3zjhkfO9FWUoQeoUwpicHo3vqAoPyoZxKIBBh7rN:3Xyf/YBYcI3vqThOAl

Score
10/10

Malware Config

Signatures

  • Detect ZGRat V1 32 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3fc4f59e7aa2ac0a1bffbc8d2e4d29dc.exe
    "C:\Users\Admin\AppData\Local\Temp\3fc4f59e7aa2ac0a1bffbc8d2e4d29dc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        3⤵
        • Executes dropped EXE
        PID:2196
      • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        C:\Users\Admin\AppData\Local\Temp\MSBuild.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:264
    • C:\ProgramData\Anyname.exe
      "C:\ProgramData\Anyname.exe"
      2⤵
      • Executes dropped EXE
      PID:3256
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x3f4 0x4bc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe

    Filesize

    256KB

    MD5

    8fdf47e0ff70c40ed3a17014aeea4232

    SHA1

    e6256a0159688f0560b015da4d967f41cbf8c9bd

    SHA256

    ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

    SHA512

    bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

  • C:\Users\Admin\AppData\Local\Temp\MSBuild.exe

    Filesize

    92KB

    MD5

    eedd508f167fd443162d792d3ea94b63

    SHA1

    da2e82f7f77e10f7d0ed24f9278aa2269c84024d

    SHA256

    51816d2c4e922aca0ae7de70e327b86846528af160829f98bc1f47a9a23d1738

    SHA512

    b6283d19260edbc4b6d0c79d6e02036f938ecc3887a78529eb8981c6671dbfa09494942629683fbb5d2fe3e539c991f6bf53469a709e76b21f40a6425ac5c9fc

  • memory/216-107-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-37-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-32-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-36-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-105-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-42-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-48-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-52-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-56-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-63-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-69-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-72-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-76-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-81-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-86-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-94-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-96-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-14-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-18-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-108-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-110-0x00000000039C0000-0x00000000039C8000-memory.dmp

    Filesize

    32KB

  • memory/216-11-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-20-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-12-0x0000000075520000-0x000000007567D000-memory.dmp

    Filesize

    1.4MB

  • memory/216-16-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-2-0x00000000778D2000-0x00000000778D3000-memory.dmp

    Filesize

    4KB

  • memory/216-109-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-106-0x0000000075520000-0x000000007567D000-memory.dmp

    Filesize

    1.4MB

  • memory/216-22-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-26-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-24-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-10-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/216-28-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-92-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-82-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-79-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-78-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-77-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-75-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-74-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-73-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-71-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-70-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-67-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-66-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-65-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/216-60-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-58-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-54-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-50-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-46-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-44-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-40-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-34-0x0000000000730000-0x0000000000830000-memory.dmp

    Filesize

    1024KB

  • memory/216-30-0x0000000000400000-0x00000000005E3000-memory.dmp

    Filesize

    1.9MB

  • memory/3256-99-0x0000000000490000-0x00000000004C3000-memory.dmp

    Filesize

    204KB

  • memory/3256-102-0x0000000005430000-0x00000000059D4000-memory.dmp

    Filesize

    5.6MB

  • memory/3256-114-0x0000000004E90000-0x0000000004E9A000-memory.dmp

    Filesize

    40KB

  • memory/3256-104-0x0000000004F20000-0x0000000004FB2000-memory.dmp

    Filesize

    584KB

  • memory/3256-101-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-113-0x00000000011B0000-0x00000000011B1000-memory.dmp

    Filesize

    4KB

  • memory/4796-100-0x0000000000400000-0x000000000057B000-memory.dmp

    Filesize

    1.5MB

  • memory/4796-112-0x0000000000400000-0x0000000000576000-memory.dmp

    Filesize

    1.5MB

  • memory/4796-126-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-138-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-156-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-164-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-166-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-170-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-174-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-176-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-180-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-182-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-178-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-172-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-168-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-162-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-160-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-158-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-154-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-152-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-150-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-148-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-146-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-144-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-142-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-140-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-136-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-134-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-132-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-130-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-128-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-124-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-122-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-121-0x0000000006CF0000-0x0000000006D6C000-memory.dmp

    Filesize

    496KB

  • memory/4796-111-0x00000000778D2000-0x00000000778D3000-memory.dmp

    Filesize

    4KB

  • memory/4796-115-0x0000000073880000-0x0000000074030000-memory.dmp

    Filesize

    7.7MB