Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

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

General

  • Target

    3c9da20ad78d24df53b661b7129959e0.exe

  • Size

    412KB

  • MD5

    3c9da20ad78d24df53b661b7129959e0

  • SHA1

    e7956e819cc1d2abafb2228a10cf22b9391fb611

  • SHA256

    2fd37ed834b6cd3747f1017ee09b3f97170245f59f9f2ed37c15b62580623319

  • SHA512

    1a02da1652a2c00df33eceda0706adebb5a5f1c3c05e30a09857c94d2fbb93e570f768af5d6648d3a5d11eea3b5c4b1ceb9393fc05248f1eefd96e17f3bbe1b4

  • SSDEEP

    12288:eDmrLy4dMMrASo/n7zUvOTdlzAarl6LmH6RPz5N:um9MMo7zUKdlzlJ62qPP

Malware Config

Signatures

  • Detect ZGRat V1 1 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 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.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c9da20ad78d24df53b661b7129959e0.exe
    "C:\Users\Admin\AppData\Local\Temp\3c9da20ad78d24df53b661b7129959e0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3584
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
        3⤵
        • Executes dropped EXE
        PID:872

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
    Filesize

    4KB

    MD5

    a5ce3aba68bdb438e98b1d0c70a3d95c

    SHA1

    013f5aa9057bf0b3c0c24824de9d075434501354

    SHA256

    9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

    SHA512

    7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

  • memory/872-40-0x00007FF9CAEE0000-0x00007FF9CB9A1000-memory.dmp
    Filesize

    10.8MB

  • memory/872-39-0x00007FF9CAEE0000-0x00007FF9CB9A1000-memory.dmp
    Filesize

    10.8MB

  • memory/872-37-0x0000000000730000-0x0000000000738000-memory.dmp
    Filesize

    32KB

  • memory/3584-16-0x0000000005150000-0x000000000519C000-memory.dmp
    Filesize

    304KB

  • memory/3584-19-0x00000000060B0000-0x0000000006142000-memory.dmp
    Filesize

    584KB

  • memory/3584-10-0x0000000074DF0000-0x00000000755A0000-memory.dmp
    Filesize

    7.7MB

  • memory/3584-38-0x0000000074DF0000-0x00000000755A0000-memory.dmp
    Filesize

    7.7MB

  • memory/3584-12-0x00000000055F0000-0x0000000005C08000-memory.dmp
    Filesize

    6.1MB

  • memory/3584-13-0x0000000005090000-0x00000000050A2000-memory.dmp
    Filesize

    72KB

  • memory/3584-14-0x00000000051C0000-0x00000000052CA000-memory.dmp
    Filesize

    1.0MB

  • memory/3584-15-0x00000000050F0000-0x000000000512C000-memory.dmp
    Filesize

    240KB

  • memory/3584-5-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

  • memory/3584-17-0x00000000054C0000-0x0000000005526000-memory.dmp
    Filesize

    408KB

  • memory/3584-18-0x0000000005F90000-0x0000000006006000-memory.dmp
    Filesize

    472KB

  • memory/3584-8-0x0000000002A50000-0x0000000002A60000-memory.dmp
    Filesize

    64KB

  • memory/3584-20-0x0000000006700000-0x0000000006CA4000-memory.dmp
    Filesize

    5.6MB

  • memory/3584-21-0x00000000062B0000-0x00000000062CE000-memory.dmp
    Filesize

    120KB

  • memory/3584-22-0x0000000006E40000-0x0000000006E90000-memory.dmp
    Filesize

    320KB

  • memory/3584-23-0x00000000075B0000-0x0000000007772000-memory.dmp
    Filesize

    1.8MB

  • memory/3584-24-0x0000000007CB0000-0x00000000081DC000-memory.dmp
    Filesize

    5.2MB

  • memory/3768-6-0x0000000003230000-0x0000000005230000-memory.dmp
    Filesize

    32.0MB

  • memory/3768-1-0x0000000074DF0000-0x00000000755A0000-memory.dmp
    Filesize

    7.7MB

  • memory/3768-11-0x0000000074DF0000-0x00000000755A0000-memory.dmp
    Filesize

    7.7MB

  • memory/3768-2-0x00000000058E0000-0x00000000058F0000-memory.dmp
    Filesize

    64KB

  • memory/3768-0-0x0000000000E00000-0x0000000000E6C000-memory.dmp
    Filesize

    432KB