quasar | d0c4045c70a0822806a4e56d7883821cd2c19362f1cfed3bcbdb1e1b8eb15234

Analysis

max time kernel
204s
max time network
258s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
27/05/2024, 23:24

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General

Target
New.exe
Size 409KB
Sample240527-3d63msfa74
SHA256 d0c4045c70a0822806a4e56d7883821cd2c19362f1cfed3bcbdb1e1b8eb15234
MD5 cf570b21f42f0ce411b7c9961068931e
SHA1 f92aa688a1dbd64a4585ecfe80a9c2d7f408c57d
SHA512 de9dce8300656cd8531569011d043373193cbda125b738e66a5bf107178b48781d6dc88eea696b2074c352a1bf56a4693cfae62e668993ac24ce18aebfdcd684
SSDEEP 12288:jpyJcC+PgUUboV2hShYoyTyrIh9eqh6bIK+Pz9:9wd+Y2IweyA9eqkMZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

quasar video spyware trojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

Video

runderscore00-25501.portmap.host:25501

Mutex

$Sxr-oWTh3ZS9htfe80iIl5

Attributes

encryption_key
zK8u0rpHf4TJzGf65Flt
install_name
Win11.exe
log_directory
$sxr-Logs
reconnect_delay
3000
startup_key
Windows 11 Boot
subdirectory
Win11

Signatures

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

Quasar payload 1 IoCs

resource	yara_rule
behavioral1/memory/3400-1-0x0000000000380000-0x00000000003EC000-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
1	ip-api.com

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4496	SCHTASKS.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2868	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3400	New.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3400	New.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 4456	3400	New.exe	75
PID 3400 wrote to memory of 4456	3400	New.exe	75
PID 3400 wrote to memory of 4456	3400	New.exe	75
PID 4456 wrote to memory of 4108	4456	cmd.exe	77
PID 4456 wrote to memory of 4108	4456	cmd.exe	77
PID 4456 wrote to memory of 4108	4456	cmd.exe	77
PID 4456 wrote to memory of 2868	4456	cmd.exe	78
PID 4456 wrote to memory of 2868	4456	cmd.exe	78
PID 4456 wrote to memory of 2868	4456	cmd.exe	78
PID 3400 wrote to memory of 4496	3400	New.exe	79
PID 3400 wrote to memory of 4496	3400	New.exe	79
PID 3400 wrote to memory of 4496	3400	New.exe	79

C:\Users\Admin\AppData\Local\Temp\New.exe
"C:\Users\Admin\AppData\Local\Temp\New.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MgwM2zrxANGR.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4456
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:4108
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 10 localhost
    3⤵
    - Runs ping.exe
    PID:2868
- C:\Windows\SysWOW64\SCHTASKS.exe
  "SCHTASKS.exe" /create /tn "$77New.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\New.exe'" /sc onlogon /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

MgwM2zrxANGR.bat

Path C:\Users\Admin\AppData\Local\Temp\MgwM2zrxANGR.bat
Size 260B
SHA256 26eb79e356a4fdf17fa6dec6e3aafad3420bcb80e994080c315dca60ad02589f
MD5 38585015bae6ccd1870f77d5920cd964
SHA1 c72cbd4ea02278bbc1dc23f68c0ce335aa1e8f4d
SHA512 2c6f7d318dd9344ef85d6aadc13bd309f48cee78948cd9eabb52e21352acf0809887fbb8fcb255232d4f4ca14ef8ce992a5c6c1713a7c419346289d7e4554e0e
MD5 SHA1 SHA512

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05-27-~1

Path C:\Users\Admin\AppData\Roaming\$sxr-Logs\05-27-~1
Size 224B
SHA256 2ff72d3ac5ad5d7c70567e55105dadbc37300bbad0f4118cc994c9e46267f2f2
MD5 f0bc1bc6ba5a661b3361fe32ab1e4898
SHA1 573964e2caef11c58ab6c75b709246880645e002
SHA512 dbd95df1b2d39bc33856aac48cafe5f2c7f1b48e8be25b21f0bec86e0cc5ab64b36c87cdfff948c2e097ec290898defda0a8221968752c137538289e5a6024cc
MD5 SHA1 SHA512

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memory/3400-6-0x00000000051B0000-0x00000000051C2000-memory.dmp

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memory/3400-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp

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memory/3400-4-0x0000000073770000-0x0000000073E5E000-memory.dmp

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memory/3400-5-0x0000000004C40000-0x0000000004CA6000-memory.dmp

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memory/3400-0-0x000000007377E000-0x000000007377F000-memory.dmp

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memory/3400-7-0x0000000005CA0000-0x0000000005CDE000-memory.dmp

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memory/3400-9-0x00000000063B0000-0x00000000063BA000-memory.dmp

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memory/3400-10-0x000000007377E000-0x000000007377F000-memory.dmp

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memory/3400-11-0x0000000073770000-0x0000000073E5E000-memory.dmp

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memory/3400-2-0x00000000051F0000-0x00000000056EE000-memory.dmp

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memory/3400-17-0x0000000073770000-0x0000000073E5E000-memory.dmp

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memory/3400-1-0x0000000000380000-0x00000000003EC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads