quasar | e7b175e7b4e579fe314e56c1a195a937c0e7780fbc0f3def13b7dae08560000f

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 14:12

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General

Target

ExeFile (275).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

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/2416-5-0x000000001AF20000-0x000000001AFAC000-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
2516	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2516	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	ExeFile (275).exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2416	ExeFile (275).exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 568	2416	ExeFile (275).exe	32
PID 2416 wrote to memory of 568	2416	ExeFile (275).exe	32
PID 2416 wrote to memory of 568	2416	ExeFile (275).exe	32
PID 2416 wrote to memory of 2628	2416	ExeFile (275).exe	34
PID 2416 wrote to memory of 2628	2416	ExeFile (275).exe	34
PID 2416 wrote to memory of 2628	2416	ExeFile (275).exe	34
PID 568 wrote to memory of 2688	568	cmd.exe	35
PID 568 wrote to memory of 2688	568	cmd.exe	35
PID 568 wrote to memory of 2688	568	cmd.exe	35
PID 568 wrote to memory of 2516	568	cmd.exe	36
PID 568 wrote to memory of 2516	568	cmd.exe	36
PID 568 wrote to memory of 2516	568	cmd.exe	36
PID 568 wrote to memory of 1556	568	cmd.exe	37
PID 568 wrote to memory of 1556	568	cmd.exe	37
PID 568 wrote to memory of 1556	568	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\ExeFile (275).exe
"C:\Users\Admin\AppData\Local\Temp\ExeFile (275).exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\V6hcY9CGPOpk.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2688
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2516
- - C:\Users\Admin\AppData\Local\Temp\ExeFile (275).exe
    "C:\Users\Admin\AppData\Local\Temp\ExeFile (275).exe"
    3⤵
    PID:1556
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2416 -s 1360
  2⤵
  PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\V6hcY9CGPOpk.bat

Filesize
210B

MD5
23c799d3acc32e9825b0b49930b55ce3

SHA1
fef78efb91e4c7ac4b700a7f269304fd71d1ba97

SHA256
16f3fddba882870ca2b04e2d7a31846b2798fffb3fd781d227e4c65558b4671c

SHA512
8ae55ea26b2c82990766b700d1414bae72d680f809a303530f9d69d60900b052df3fcc037277fc58df1e3473c63f9b66ef426a5858a06f46c5f9b743b0c8bd03

Download Submit
memory/2416-0-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

Filesize
4KB

Download
memory/2416-1-0x0000000000800000-0x0000000000882000-memory.dmp

Filesize
520KB

Download
memory/2416-2-0x0000000002030000-0x000000000208E000-memory.dmp

Filesize
376KB

Download
memory/2416-3-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2416-4-0x000007FEF6063000-0x000007FEF6064000-memory.dmp

Filesize
4KB

Download
memory/2416-5-0x000000001AF20000-0x000000001AFAC000-memory.dmp

Filesize
560KB

Download
memory/2416-6-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download