quasar | 8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 14:20

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General

Target

8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe
Size

2.3MB
MD5

652a56aaba2ec480d2bddd1d0da85c19
SHA1

93789dc672de1e8fc6b8fd6b17b881231d5d51ee
SHA256

8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6
SHA512

e692cbcfd9d8003df449cbb4d0fb27e86d7b78bb3223a8a0852f6932bfbc1d4668fda4bb5c89d9dc987977b2328c4af2c671aaebb85365737f95a1a99a42d351
SSDEEP

49152:BBBVJ56thlDGrAErcdHrrlJ4vVtyBIzPrme7R2pvV7fxsSGXJVRqSVjMrR2:BLTQ1Erqcve+zPrJR2pN7ChVRJVjM12

Score

10^/10

quasar zulaspcx discovery spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
spri sdqs qrnn fpqi

Extracted

Family

quasar

Attributes

reconnect_delay
3000

Extracted

Family

quasar

Version

1.4.1

Botnet

zulaspcx

yeniceri99-24578.portmap.io:24578

Mutex

938aa95f-e3d4-483d-9217-ffafea133927

Attributes

encryption_key
3BBA711AB673CCE3CC23338F52513D2C4D42AFEF
install_name
svchost.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Update
subdirectory
Windows

Signatures

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

Quasar payload 4 IoCs

resource	yara_rule
behavioral1/memory/2124-22-0x0000000005420000-0x00000000057CA000-memory.dmp	family_quasar
behavioral1/files/0x0007000000016d1f-25.dat	family_quasar
behavioral1/memory/2360-29-0x0000000000C30000-0x0000000000F54000-memory.dmp	family_quasar
behavioral1/memory/2748-35-0x0000000001310000-0x0000000001634000-memory.dmp	family_quasar

Executes dropped EXE 4 IoCs

pid	Process
2444	WindowsService.exe
2124	Spacex.exe
2360	svchost.exe
2748	svchost.exe

Loads dropped DLL 3 IoCs

pid	Process
2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe
2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe
2124	Spacex.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Spacex.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2636	schtasks.exe
308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe
2124	Spacex.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	WindowsService.exe
Token: SeDebugPrivilege	2360	svchost.exe
Token: SeDebugPrivilege	2748	svchost.exe
Token: SeDebugPrivilege	2124	Spacex.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2748	svchost.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2444	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	30
PID 2096 wrote to memory of 2444	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	30
PID 2096 wrote to memory of 2444	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	30
PID 2096 wrote to memory of 2444	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	30
PID 2096 wrote to memory of 2124	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	31
PID 2096 wrote to memory of 2124	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	31
PID 2096 wrote to memory of 2124	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	31
PID 2096 wrote to memory of 2124	2096	8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe	31
PID 2124 wrote to memory of 2360	2124	Spacex.exe	32
PID 2124 wrote to memory of 2360	2124	Spacex.exe	32
PID 2124 wrote to memory of 2360	2124	Spacex.exe	32
PID 2124 wrote to memory of 2360	2124	Spacex.exe	32
PID 2360 wrote to memory of 2636	2360	svchost.exe	33
PID 2360 wrote to memory of 2636	2360	svchost.exe	33
PID 2360 wrote to memory of 2636	2360	svchost.exe	33
PID 2360 wrote to memory of 2748	2360	svchost.exe	35
PID 2360 wrote to memory of 2748	2360	svchost.exe	35
PID 2360 wrote to memory of 2748	2360	svchost.exe	35
PID 2748 wrote to memory of 308	2748	svchost.exe	36
PID 2748 wrote to memory of 308	2748	svchost.exe	36
PID 2748 wrote to memory of 308	2748	svchost.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe
"C:\Users\Admin\AppData\Local\Temp\8f5375ff845c22427e9d91f906ea19659adc6391e73569d16afbbed5d2c21fc6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\WindowsService.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\WindowsService.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Spacex.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Spacex.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2360
  - - C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows\svchost.exe" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2636
  - - C:\Users\Admin\AppData\Roaming\Windows\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Windows\svchost.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2748
    - - C:\Windows\system32\schtasks.exe
        
        "schtasks" /create /tn "Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows\svchost.exe" /rl HIGHEST /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Spacex.exe

Filesize
2.2MB

MD5
7785c52b863e9dae3fac08e3b130bb32

SHA1
d812fe11ca73f802e5dbfa3422c17d88bf59066d

SHA256
0f19f7f52cd3153147f72eadde474b26ad507715727d9a905a0817e4127fd334

SHA512
805aa770dce5b6fe0743d8de53c8b597eed372115f4b93077e5e22d5269f3b3425c01206d17c98f4ad7dae8aa3e001511c2e2bb598628700b804653965b7bc8a

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\WindowsService.exe

Filesize
108KB

MD5
aa965f60733abd2e7f5725cd68b6868d

SHA1
8e802c2def5ab8d280d3ad08664df92159ec26a4

SHA256
4950d5ba6f4aac42a5effa92b868a33a22e829c1e88aa63d37af266535e395aa

SHA512
f424c18c2ac09f08d83f2da06a1ddd9baff76073f689fe482eb4b4f25cea704efb543b2b76afbff75e9dee9548350875cdca2e960393b2bb3983fa6a92b33b4a

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\svchost.exe

Filesize
3.1MB

MD5
cda244bc8f0486f4bce677dc71784369

SHA1
a7639235f14ed1ad673d2bfde070c266817e58b4

SHA256
ceec77c3852dd8b1fe96799500350ecf1d8e7c3e2a5931d58a6c99a711c9bfec

SHA512
3d6cd367f888923da267830e4e497808de31eed5e1d96a5de68ed82d0090aa23e41f1963ffb7cecc74fbf09948466a74666b4abaf7973b61da182b8e0096dea4

Download Submit
memory/2096-1-0x00000000001B0000-0x000000000040C000-memory.dmp

Filesize
2.4MB

Download
memory/2096-2-0x0000000006FF0000-0x000000000723E000-memory.dmp

Filesize
2.3MB

Download
memory/2096-3-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2096-39-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2096-38-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2096-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2096-37-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/2124-19-0x0000000000150000-0x0000000000384000-memory.dmp

Filesize
2.2MB

Download
memory/2124-22-0x0000000005420000-0x00000000057CA000-memory.dmp

Filesize
3.7MB

Download
memory/2360-29-0x0000000000C30000-0x0000000000F54000-memory.dmp

Filesize
3.1MB

Download
memory/2444-36-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-21-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2444-20-0x0000000074C00000-0x00000000752EE000-memory.dmp

Filesize
6.9MB

Download
memory/2444-17-0x00000000011F0000-0x0000000001214000-memory.dmp

Filesize
144KB

Download
memory/2748-35-0x0000000001310000-0x0000000001634000-memory.dmp

Filesize
3.1MB

Download