quasar | dddf4ec4d813131cd65ab7386154db7ed9d63ce84e4704a5532e7aa22e624c58

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 15:43

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General

Target

cf118a2c4586551e6eae18e41b52842a.exe
Size

2.2MB
MD5

cf118a2c4586551e6eae18e41b52842a
SHA1

4e3518b74b2ae236777986f27d45d8d70358256e
SHA256

dddf4ec4d813131cd65ab7386154db7ed9d63ce84e4704a5532e7aa22e624c58
SHA512

121276892dda96e7e67416ead523c6fe3bfb7f32d6a24d3b7a494bfe82be03430010907d8ba8eb0c4eb5248f958ee489788c32d2295f190ee3b6502c3358a8d3
SSDEEP

49152:a7ptnb2Lrccd46i8IfuCnAaYMXmJR1CfWmO9xbHRFV8HU:o92L+6i8IAZJ6+zDx/m

Score

10^/10

quasar ching-chong discovery spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

CHING-CHONG

goooooooool.com:1337

Mutex

771ac64-b9299-43dc-b9229-3a828da05

Attributes

encryption_key
1FBC2542A1A2F356C726019FD7BD6FEA628A4E1A
install_name
shellhost.exe
log_directory
syslogs
reconnect_delay
3333
startup_key
ShellHost
subdirectory
Code

Signatures

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

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1824-1095-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

Processes:

cf118a2c4586551e6eae18e41b52842a.exeshellhost.exe

description	pid	Process	procid_target
PID 3004 created 3444	3004	cf118a2c4586551e6eae18e41b52842a.exe	56
PID 1036 created 3444	1036	shellhost.exe	56

Executes dropped EXE 2 IoCs

Processes:

shellhost.exeshellhost.exe

pid	Process
1036	shellhost.exe
2032	shellhost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cf118a2c4586551e6eae18e41b52842a.exeshellhost.exe

description	pid	Process	procid_target
PID 3004 set thread context of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 1036 set thread context of 2032	1036	shellhost.exe	105

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

cf118a2c4586551e6eae18e41b52842a.execf118a2c4586551e6eae18e41b52842a.exeschtasks.exeshellhost.exeshellhost.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf118a2c4586551e6eae18e41b52842a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf118a2c4586551e6eae18e41b52842a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shellhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shellhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exeschtasks.exe

pid	Process
4936	schtasks.exe
4940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

cf118a2c4586551e6eae18e41b52842a.exeshellhost.exe

pid	Process
3004	cf118a2c4586551e6eae18e41b52842a.exe
1036	shellhost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

cf118a2c4586551e6eae18e41b52842a.execf118a2c4586551e6eae18e41b52842a.exeshellhost.exeshellhost.exe

description	pid	Process
Token: SeDebugPrivilege	3004	cf118a2c4586551e6eae18e41b52842a.exe
Token: SeDebugPrivilege	3004	cf118a2c4586551e6eae18e41b52842a.exe
Token: SeDebugPrivilege	1824	cf118a2c4586551e6eae18e41b52842a.exe
Token: SeDebugPrivilege	1036	shellhost.exe
Token: SeDebugPrivilege	1036	shellhost.exe
Token: SeDebugPrivilege	2032	shellhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

shellhost.exe

pid	Process
2032	shellhost.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

cf118a2c4586551e6eae18e41b52842a.execf118a2c4586551e6eae18e41b52842a.exeshellhost.exeshellhost.exe

description	pid	Process	procid_target
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 3004 wrote to memory of 1824	3004	cf118a2c4586551e6eae18e41b52842a.exe	100
PID 1824 wrote to memory of 4936	1824	cf118a2c4586551e6eae18e41b52842a.exe	101
PID 1824 wrote to memory of 4936	1824	cf118a2c4586551e6eae18e41b52842a.exe	101
PID 1824 wrote to memory of 4936	1824	cf118a2c4586551e6eae18e41b52842a.exe	101
PID 1824 wrote to memory of 1036	1824	cf118a2c4586551e6eae18e41b52842a.exe	103
PID 1824 wrote to memory of 1036	1824	cf118a2c4586551e6eae18e41b52842a.exe	103
PID 1824 wrote to memory of 1036	1824	cf118a2c4586551e6eae18e41b52842a.exe	103
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 1036 wrote to memory of 2032	1036	shellhost.exe	105
PID 2032 wrote to memory of 4940	2032	shellhost.exe	106
PID 2032 wrote to memory of 4940	2032	shellhost.exe	106
PID 2032 wrote to memory of 4940	2032	shellhost.exe	106

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3444
- C:\Users\Admin\AppData\Local\Temp\cf118a2c4586551e6eae18e41b52842a.exe
  "C:\Users\Admin\AppData\Local\Temp\cf118a2c4586551e6eae18e41b52842a.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3004
- C:\Users\Admin\AppData\Local\Temp\cf118a2c4586551e6eae18e41b52842a.exe
  "C:\Users\Admin\AppData\Local\Temp\cf118a2c4586551e6eae18e41b52842a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "ShellHost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Code\shellhost.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4936
- - C:\Users\Admin\AppData\Roaming\Code\shellhost.exe
    "C:\Users\Admin\AppData\Roaming\Code\shellhost.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1036
- C:\Users\Admin\AppData\Roaming\Code\shellhost.exe
  "C:\Users\Admin\AppData\Roaming\Code\shellhost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "ShellHost" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Code\shellhost.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4940

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

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Code\shellhost.exe

Filesize
2.2MB

MD5
cf118a2c4586551e6eae18e41b52842a

SHA1
4e3518b74b2ae236777986f27d45d8d70358256e

SHA256
dddf4ec4d813131cd65ab7386154db7ed9d63ce84e4704a5532e7aa22e624c58

SHA512
121276892dda96e7e67416ead523c6fe3bfb7f32d6a24d3b7a494bfe82be03430010907d8ba8eb0c4eb5248f958ee489788c32d2295f190ee3b6502c3358a8d3

Download Submit
memory/1036-2187-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1036-1105-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1036-1106-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1036-2184-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1824-1096-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1824-1097-0x0000000005A30000-0x0000000005A3A000-memory.dmp

Filesize
40KB

Download
memory/1824-1095-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1824-1094-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1824-1104-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/2032-2189-0x00000000062C0000-0x0000000006310000-memory.dmp

Filesize
320KB

Download
memory/2032-2188-0x0000000006730000-0x0000000006D48000-memory.dmp

Filesize
6.1MB

Download
memory/2032-2190-0x0000000006530000-0x00000000065E2000-memory.dmp

Filesize
712KB

Download
memory/3004-68-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-42-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-28-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-26-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-24-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-22-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-12-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-7-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-8-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-18-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-16-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-14-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-10-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-52-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-50-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-48-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-70-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-32-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-66-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-64-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-62-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-60-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-58-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-46-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-44-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-30-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-39-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-34-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-56-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-54-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-40-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-36-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-1081-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3004-1082-0x0000000005280000-0x00000000053FE000-memory.dmp

Filesize
1.5MB

Download
memory/3004-1083-0x0000000005190000-0x00000000051DC000-memory.dmp

Filesize
304KB

Download
memory/3004-1087-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3004-20-0x0000000006280000-0x0000000006486000-memory.dmp

Filesize
2.0MB

Download
memory/3004-6-0x00000000065C0000-0x0000000006652000-memory.dmp

Filesize
584KB

Download
memory/3004-5-0x0000000006A70000-0x0000000007014000-memory.dmp

Filesize
5.6MB

Download
memory/3004-4-0x0000000006280000-0x000000000648C000-memory.dmp

Filesize
2.0MB

Download
memory/3004-3-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3004-2-0x0000000004F40000-0x000000000514C000-memory.dmp

Filesize
2.0MB

Download
memory/3004-1-0x00000000000F0000-0x000000000032C000-memory.dmp

Filesize
2.2MB

Download
memory/3004-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/3004-1088-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3004-1089-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3004-1090-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/3004-1091-0x0000000005500000-0x0000000005554000-memory.dmp

Filesize
336KB

Download
memory/3004-1093-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download