quasar | def1ba2695ba8d560901e950a6b24da3e432263f07dfd39be67eda2429c22332

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 10:42

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General

Target

JaffaCakes118_1ee161d9a3de46c8b95a328a4501e330.exe
Size

2.8MB
MD5

1ee161d9a3de46c8b95a328a4501e330
SHA1

4d09c555d3e1290f28c677b0e6a06527b2891009
SHA256

def1ba2695ba8d560901e950a6b24da3e432263f07dfd39be67eda2429c22332
SHA512

ac28d5fc90cc9e6be0ee6a2ff69f2e3c8cbfb64baae8245a91c8724bd145767ec31f567e20deaf8cb159232c0c12bd301cd3d71b788d7d15d5f07cb9b6357e2c
SSDEEP

49152:2QjttU7vLrb/TuvO90dL3BmAFd4A64nsfJMLlgTR55IUq+z1z3/7j5/ZIIVBv:2QPuGqPrTj5hVN

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/0x000d000000023b0a-2.dat	family_quasar
behavioral2/memory/2404-5-0x00000000009D0000-0x0000000000A18000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2404	go-memexec-2211687715.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
18	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-2211687715.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	go-memexec-2211687715.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 2404	3164	JaffaCakes118_1ee161d9a3de46c8b95a328a4501e330.exe	86
PID 3164 wrote to memory of 2404	3164	JaffaCakes118_1ee161d9a3de46c8b95a328a4501e330.exe	86
PID 3164 wrote to memory of 2404	3164	JaffaCakes118_1ee161d9a3de46c8b95a328a4501e330.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ee161d9a3de46c8b95a328a4501e330.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ee161d9a3de46c8b95a328a4501e330.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Users\Admin\AppData\Local\Temp\go-memexec-2211687715.exe
  C:\Users\Admin\AppData\Local\Temp\go-memexec-2211687715.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2404

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-2211687715.exe

Filesize
267KB

MD5
119abe106dbae26366c2c60fb249f453

SHA1
b55ed69b4c6dd67614881c179658f9c5345de04f

SHA256
6589713195949647b10b2f18cc42d12f8792daf1f75d3615e7936f70d1ba2054

SHA512
7c8583e9fe6a14e966676f4cbf21f3519537a23934f3df4aaf8fc2ff97f392629fff8f423eda0cc8ad2deccc88d1134b7ff2bc3c749c9abe01d3338ab0589a8e

Download Submit
memory/2404-4-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/2404-5-0x00000000009D0000-0x0000000000A18000-memory.dmp

Filesize
288KB

Download
memory/2404-6-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/2404-7-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/2404-8-0x0000000005420000-0x0000000005486000-memory.dmp

Filesize
408KB

Download
memory/2404-9-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2404-10-0x0000000005950000-0x0000000005962000-memory.dmp

Filesize
72KB

Download
memory/2404-11-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/2404-12-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2404-13-0x00000000068D0000-0x00000000068DA000-memory.dmp

Filesize
40KB

Download