quasar | 64dcf17b277e401e3bd456a9aaaf331c5c6b6d42e3bf4a651aa3025b8bd6bd56

Analysis

max time kernel
128s
max time network
145s
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_16cd0bbded2718e507779e46e1376449.exe
Size

2.8MB
MD5

16cd0bbded2718e507779e46e1376449
SHA1

7334c9cbdb63bd602f1873935893328528551e9a
SHA256

64dcf17b277e401e3bd456a9aaaf331c5c6b6d42e3bf4a651aa3025b8bd6bd56
SHA512

22ceca0a2f5bafb99f622480bb2fc13de40ca596ee9f7187f799d21656de63d2f9422671f960811871f78b1c7364048a99455961f46f93199c095630c5165077
SSDEEP

49152:+QjttU7vLrb/TuvO90dL3BmAFd4A64nsfJMLZgTR55IUquz173Ej5/ZIIVBv:+QPuGOPDUj5hVN

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/0x0010000000023bc5-2.dat	family_quasar
behavioral2/memory/3252-5-0x0000000000560000-0x00000000005A8000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
3252	go-memexec-3108824063.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
22	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-3108824063.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3252	go-memexec-3108824063.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 3252	316	JaffaCakes118_16cd0bbded2718e507779e46e1376449.exe	83
PID 316 wrote to memory of 3252	316	JaffaCakes118_16cd0bbded2718e507779e46e1376449.exe	83
PID 316 wrote to memory of 3252	316	JaffaCakes118_16cd0bbded2718e507779e46e1376449.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16cd0bbded2718e507779e46e1376449.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_16cd0bbded2718e507779e46e1376449.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:316
- C:\Users\Admin\AppData\Local\Temp\go-memexec-3108824063.exe
  C:\Users\Admin\AppData\Local\Temp\go-memexec-3108824063.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3252

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-3108824063.exe

Filesize
267KB

MD5
119abe106dbae26366c2c60fb249f453

SHA1
b55ed69b4c6dd67614881c179658f9c5345de04f

SHA256
6589713195949647b10b2f18cc42d12f8792daf1f75d3615e7936f70d1ba2054

SHA512
7c8583e9fe6a14e966676f4cbf21f3519537a23934f3df4aaf8fc2ff97f392629fff8f423eda0cc8ad2deccc88d1134b7ff2bc3c749c9abe01d3338ab0589a8e

Download Submit
memory/3252-4-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3252-5-0x0000000000560000-0x00000000005A8000-memory.dmp

Filesize
288KB

Download
memory/3252-6-0x00000000054B0000-0x0000000005A54000-memory.dmp

Filesize
5.6MB

Download
memory/3252-7-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/3252-8-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/3252-9-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3252-10-0x0000000005DE0000-0x0000000005DF2000-memory.dmp

Filesize
72KB

Download
memory/3252-11-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/3252-12-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/3252-13-0x00000000065A0000-0x00000000065AA000-memory.dmp

Filesize
40KB

Download