quasar | 25dd129a4822566f38545a37e1120533266fa1a9b895f8605f5b9364744da42c

General

Target
_25dd129a4822566f38545a37e1120533266fa1a9b895f8605f5b9364744da42c.txt
Size 1KB
Sample260626-vvka7sc151
SHA256 25dd129a4822566f38545a37e1120533266fa1a9b895f8605f5b9364744da42c
MD5 0afe00aa7694327af29efafc15336b82
SHA1 ac623da18f3dbbb71364b29b7a8c212e20b46f91
SHA512 2745163030cf536120768c8e6d601b8523bf50e805524b406dbfa148b3dd1ebfa477753a9a75f8b60e01600caf2cf71d156ef7fa2c083f21da87e22bb1bb5dbe
TLSH
T14F31B7172DBBDEB62041059BBF0E9B591E58A439F2B2C0CFCB5AD9E335290C4C008AD2
MD5 SHA1 SHA512 TLSH

Score

10^/10

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

NewBypassed

C2

91.192.100.36:8084

Mutex

9ce44fed-2881-4998-80a9-a8059346d6d7

Attributes

encryption_key
F2F10A25F4D0D0543F5520C8C8BAC500DA1B1AC1
install_name
Client.exe
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
log_directory
Logs
reconnect_delay
3000
startup_key
Mirsoft Update
subdirectory
Mirsoft

Targets

- Target
  _25dd129a4822566f38545a37e1120533266fa1a9b895f8605f5b9364744da42c.txt
- Size 1KB
- SHA256 25dd129a4822566f38545a37e1120533266fa1a9b895f8605f5b9364744da42c
- MD5 0afe00aa7694327af29efafc15336b82
- SHA1 ac623da18f3dbbb71364b29b7a8c212e20b46f91
- SHA512 2745163030cf536120768c8e6d601b8523bf50e805524b406dbfa148b3dd1ebfa477753a9a75f8b60e01600caf2cf71d156ef7fa2c083f21da87e22bb1bb5dbe
- TLSH
  T14F31B7172DBBDEB62041059BBF0E9B591E58A439F2B2C0CFCB5AD9E335290C4C008AD2
- MD5 SHA1 SHA512 TLSH
Score

10^/10

execution newbypassed discovery quasar spyware trojan
- Family: Quasar RAT
  Quasar is an open source Remote Access Tool.
  trojan spyware quasar
- Quasar payload
- Badlisted process makes network request
  Network request originating from process or tool commonly abused by malware.
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

Family: Quasar RAT

Quasar payload

Badlisted process makes network request

Looks up external IP address via web service

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks

static1

behavioral1

behavioral2