quasar | e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f

General

Target

e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe
Size

491KB
MD5

fcc248bdb9b56bdd926a13bbff61fadd
SHA1

45bf684e6add3acf6fd8b3e8f6e923195f7994d7
SHA256

e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f
SHA512

b02fdae03adbee721d853053a95bea188b5453f0d270c71fe9a613bbb40f0c9d4e4e57a8d8eab117316ada9cde45223171f89c2e05a8a4fe7254b884ad3e731c
SSDEEP

12288:kK0rI0JwBzjDtVqGcrX4vLH2mTMGG5D8ajXBnGBF5XlXJZSo:f0XGvDtVqGkX4vz/ID8ajXByXlXJZ

Score

10^/10

quasar moasa discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Moasa

C2

neji.w0rld.ga:7777

Mutex

DerPeeekshsaPjTQXfNVygAvPX

Attributes

encryption_key
3xF1E8vK84C8qCe7p0kkroBeQvMxMIry
install_name
Client.exe
log_directory
Harsh
reconnect_delay
2000
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

resource	yara_rule
behavioral1/memory/3012-5-0x000000001AD10000-0x000000001AD9C000-memory.dmp	family_quasar

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
2	ip-api.com

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2636	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2636	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2908	3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe	32
PID 3012 wrote to memory of 2908	3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe	32
PID 3012 wrote to memory of 2908	3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe	32
PID 2908 wrote to memory of 2716	2908	cmd.exe	35
PID 2908 wrote to memory of 2716	2908	cmd.exe	35
PID 2908 wrote to memory of 2716	2908	cmd.exe	35
PID 3012 wrote to memory of 2892	3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe	34
PID 3012 wrote to memory of 2892	3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe	34
PID 3012 wrote to memory of 2892	3012	e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe	34
PID 2908 wrote to memory of 2636	2908	cmd.exe	36
PID 2908 wrote to memory of 2636	2908	cmd.exe	36
PID 2908 wrote to memory of 2636	2908	cmd.exe	36
PID 2908 wrote to memory of 2632	2908	cmd.exe	37
PID 2908 wrote to memory of 2632	2908	cmd.exe	37
PID 2908 wrote to memory of 2632	2908	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe
"C:\Users\Admin\AppData\Local\Temp\e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\bicqbA6f6qxt.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2716
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2636
- - C:\Users\Admin\AppData\Local\Temp\e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe
    "C:\Users\Admin\AppData\Local\Temp\e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f.exe"
    3⤵
    PID:2632
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3012 -s 1400
  2⤵
  PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bicqbA6f6qxt.bat

Filesize
261B

MD5
d8ac6bfd8f9dabbb4fae91ca17cac32a

SHA1
89793879fe52efae95c09a3ef0a3c417ff399fef

SHA256
7f6899c9309b0beaead4ed3c1ad9812c26b9809b3106e46de8d35a46a5f065f0

SHA512
236b62eb4d40f1fce1245d4683aa3947f8c1f8e0516e0c5a1f9b4440271327b35b2d49d147e7d91f36f80a9805f0fbc7fb190356cc9d1d551bc2734dea8c1376

Download Submit
memory/3012-0-0x000007FEF5D63000-0x000007FEF5D64000-memory.dmp

Filesize
4KB

Download
memory/3012-1-0x0000000000D40000-0x0000000000DC2000-memory.dmp

Filesize
520KB

Download
memory/3012-2-0x000000001AB40000-0x000000001AB9E000-memory.dmp

Filesize
376KB

Download
memory/3012-3-0x000007FEF5D60000-0x000007FEF674C000-memory.dmp

Filesize
9.9MB

Download
memory/3012-4-0x000007FEF5D63000-0x000007FEF5D64000-memory.dmp

Filesize
4KB

Download
memory/3012-5-0x000000001AD10000-0x000000001AD9C000-memory.dmp

Filesize
560KB

Download
memory/3012-6-0x000007FEF5D60000-0x000007FEF674C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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