quasar | 0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 02:07

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General

Target

0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e.exe
Size

3.1MB
MD5

7e1ed4c0bddfcd9753fa8a34369d2a09
SHA1

a72002b3e87c94524bb777fc50aadcd444597b28
SHA256

0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e
SHA512

cbcc8efa4d68e3e993dd0b8951d4e4fe0930d267ab99f0ad2f03a89e8f4d119210dccd4c5d4ad2b15d14125e852ef464564d6a88a41eaa936f6a6f2272123ff3
SSDEEP

49152:CvyI22SsaNYfdPBldt698dBcjHHUb7ReaoGdk8THHB72eh2NT:Cvf22SsaNYfdPBldt6+dBcjHHUb7RJ

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

192.168.1.77:4782

Mutex

e819f327-90a2-4d90-a826-8b38a9c4f3d5

Attributes

encryption_key
EFEBD005E03B8B8669985D9A167E2BEF9FFCA477
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral1/memory/2936-1-0x0000000000F00000-0x0000000001224000-memory.dmp	family_quasar

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2936	0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2936	0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2936	0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e.exe

C:\Users\Admin\AppData\Local\Temp\0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e.exe
"C:\Users\Admin\AppData\Local\Temp\0d0646d4f062fab91f6dbcbcc5412e6ef550306b1a49e2353bc37fd24aa4660e.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2936-0-0x000007FEF53D3000-0x000007FEF53D4000-memory.dmp

Filesize
4KB

Download
memory/2936-1-0x0000000000F00000-0x0000000001224000-memory.dmp

Filesize
3.1MB

Download
memory/2936-2-0x000007FEF53D0000-0x000007FEF5DBC000-memory.dmp

Filesize
9.9MB

Download
memory/2936-3-0x000007FEF53D3000-0x000007FEF53D4000-memory.dmp

Filesize
4KB

Download
memory/2936-4-0x000007FEF53D0000-0x000007FEF5DBC000-memory.dmp

Filesize
9.9MB

Download