quasar | c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
23-06-2024 22:32

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General

Target

c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe
Size

3.1MB
MD5

3053a2a43ba2fbc6e3e3ecbecde806d1
SHA1

6ae60c2879ebe69ac40d149ed5a608250d022dce
SHA256

c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6
SHA512

b9e90616bde8da38d055a510f18f41da9b3f4a64d1b59e4f27af889496edb86c1467273a721ceb6e1c65d9410db523755f5ba7422016bcada2335a8b6038044e
SSDEEP

49152:zvbI22SsaNYfdPBldt698dBcjHsHxNESExk/iLLoGdNTHHB72eh2NT:zvk22SsaNYfdPBldt6+dBcjH0xQX

Score

10^/10

quasar office04 spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

10.109.9.184:4782

Mutex

1916cb83-b99a-4ecb-a054-4e009de2edc6

Attributes

encryption_key
CE28057C20C1DED27F22AD4254F5C2C5464D46B3
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 payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2628-1-0x00000000003C0000-0x00000000006E4000-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

Processes:

c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe

description pid process

Token: SeDebugPrivilege 2628 c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe

pid process

2628 c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe

pid process

2628 c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe

resource	yara_rule
behavioral1/memory/2628-1-0x00000000003C0000-0x00000000006E4000-memory.dmp	family_quasar

description	pid	process
Token: SeDebugPrivilege	2628	c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe

pid	process
2628	c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe

pid	process
2628	c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe

C:\Users\Admin\AppData\Local\Temp\c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe
"C:\Users\Admin\AppData\Local\Temp\c1dd6ce8d69876282a88739c537d5a2369a19c4b6cf360af5983c12c9dc3f2d6.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2628

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2628-0-0x00007FFA6FAD3000-0x00007FFA6FAD5000-memory.dmp

Filesize
8KB

Download
memory/2628-1-0x00000000003C0000-0x00000000006E4000-memory.dmp

Filesize
3.1MB

Download
memory/2628-2-0x00007FFA6FAD0000-0x00007FFA70591000-memory.dmp

Filesize
10.8MB

Download
memory/2628-3-0x000000001BDE0000-0x000000001BE30000-memory.dmp

Filesize
320KB

Download
memory/2628-4-0x000000001BEF0000-0x000000001BFA2000-memory.dmp

Filesize
712KB

Download
memory/2628-5-0x00007FFA6FAD3000-0x00007FFA6FAD5000-memory.dmp

Filesize
8KB

Download
memory/2628-6-0x00007FFA6FAD0000-0x00007FFA70591000-memory.dmp

Filesize
10.8MB

Download