quasar | 9fdb81f297389dc7df5819e658659255abc64d476b9089a62d40dc6c8e0670ee

Analysis

max time kernel
137s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 07:39

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General

Target

JaffaCakes118_16cc5e8f002cf7d9df8dc5632804eeb1.exe
Size

2.1MB
MD5

16cc5e8f002cf7d9df8dc5632804eeb1
SHA1

607a8070a5ebb884ebeae65dc6393e10e8975fb3
SHA256

9fdb81f297389dc7df5819e658659255abc64d476b9089a62d40dc6c8e0670ee
SHA512

ed6c9c4cae9428cda265388fd70c969fc28c9b7e897138ca4b685c4b231e1034f07fae6007de25fa0f5dad4282d7b6702f7d66e0f0bbe71e9ef9d5349e95c7f6
SSDEEP

49152:8QjttU7vLrb/TuvO90dL3BmAFd4A64nsfJMLZgTR55IUauz1:8QPuGOP

Score

10^/10

quasar discovery spyware trojan

Malware Config

Signatures

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

Quasar payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000f000000023a30-2.dat	family_quasar
behavioral2/memory/2552-5-0x0000000000210000-0x0000000000258000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2552	go-memexec-1357815068.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
25	api.ipify.org

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	go-memexec-1357815068.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	go-memexec-1357815068.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2552	2808	JaffaCakes118_16cc5e8f002cf7d9df8dc5632804eeb1.exe	85
PID 2808 wrote to memory of 2552	2808	JaffaCakes118_16cc5e8f002cf7d9df8dc5632804eeb1.exe	85
PID 2808 wrote to memory of 2552	2808	JaffaCakes118_16cc5e8f002cf7d9df8dc5632804eeb1.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16cc5e8f002cf7d9df8dc5632804eeb1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16cc5e8f002cf7d9df8dc5632804eeb1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\go-memexec-1357815068.exe
  C:\Users\Admin\AppData\Local\Temp\go-memexec-1357815068.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\go-memexec-1357815068.exe

Filesize
267KB

MD5
119abe106dbae26366c2c60fb249f453

SHA1
b55ed69b4c6dd67614881c179658f9c5345de04f

SHA256
6589713195949647b10b2f18cc42d12f8792daf1f75d3615e7936f70d1ba2054

SHA512
7c8583e9fe6a14e966676f4cbf21f3519537a23934f3df4aaf8fc2ff97f392629fff8f423eda0cc8ad2deccc88d1134b7ff2bc3c749c9abe01d3338ab0589a8e

Download Submit
memory/2552-4-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2552-5-0x0000000000210000-0x0000000000258000-memory.dmp

Filesize
288KB

Download
memory/2552-6-0x0000000005110000-0x00000000056B4000-memory.dmp

Filesize
5.6MB

Download
memory/2552-7-0x0000000004CD0000-0x0000000004D62000-memory.dmp

Filesize
584KB

Download
memory/2552-8-0x0000000004C30000-0x0000000004C96000-memory.dmp

Filesize
408KB

Download
memory/2552-9-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2552-10-0x0000000005A80000-0x0000000005A92000-memory.dmp

Filesize
72KB

Download
memory/2552-11-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2552-12-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2552-13-0x0000000006250000-0x000000000625A000-memory.dmp

Filesize
40KB

Download