quasar | f1360aa4d9adeff9ccff753f2996be1b827d7bc3a79549cc6635346ce3eb1da2

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 19:22

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General

Target
ORBITCracked.exe
Size 3.1MB
Sample240328-x3cmfafa93
SHA256 f1360aa4d9adeff9ccff753f2996be1b827d7bc3a79549cc6635346ce3eb1da2
MD5 bb7a42f4595499e4cd801eacb252cae8
SHA1 bd19e59cd8203d29fa232ea026189d245e07e886
SHA512 29f160c2a84e8b3dd86ba62e65e8d91d782f7b347900eb72198012af40353986e2ce01a85cbf288a6146192cdb12450e0ec72024a675509ee6c9e6d089bb2449
SSDEEP 49152:mvRuf2NUaNmwzPWlvdaKM7ZxTwkQRJ6FbR3LoGd/ITHHB72eh2NT:mvsf2NUaNmwzPWlvdaB7ZxTwkQRJ6X
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

quasar slave spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Slave

140.238.91.110:38899
uk2.localto.net:38899:38899

Mutex

276d9dc6-b19c-4958-8ac3-89586bd3b515

Attributes

encryption_key
ABCF70C37D1A79A01712038122D1532DF20DF72A
install_name
Client.exe
log_directory
Error Logs
reconnect_delay
3000
startup_key
WOS64
subdirectory
Windows

Signatures

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

Quasar payload 2 IoCs

resource	yara_rule
behavioral2/memory/4632-0-0x0000000000E10000-0x0000000001134000-memory.dmp	family_quasar
behavioral2/files/0x00070000000231e4-8.dat	family_quasar

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	Client.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	Client.exe

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 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4552	schtasks.exe
3844	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3980	PING.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	ORBITCracked.exe
Token: SeDebugPrivilege	1748	Client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1748	Client.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 4552	4632	ORBITCracked.exe	88
PID 4632 wrote to memory of 4552	4632	ORBITCracked.exe	88
PID 4632 wrote to memory of 1748	4632	ORBITCracked.exe	90
PID 4632 wrote to memory of 1748	4632	ORBITCracked.exe	90
PID 1748 wrote to memory of 3844	1748	Client.exe	91
PID 1748 wrote to memory of 3844	1748	Client.exe	91
PID 1748 wrote to memory of 1700	1748	Client.exe	101
PID 1748 wrote to memory of 1700	1748	Client.exe	101
PID 1748 wrote to memory of 4272	1748	Client.exe	103
PID 1748 wrote to memory of 4272	1748	Client.exe	103
PID 4272 wrote to memory of 4720	4272	cmd.exe	105
PID 4272 wrote to memory of 4720	4272	cmd.exe	105
PID 4272 wrote to memory of 3980	4272	cmd.exe	106
PID 4272 wrote to memory of 3980	4272	cmd.exe	106

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\ORBITCracked.exe
"C:\Users\Admin\AppData\Local\Temp\ORBITCracked.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "WOS64" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows\Client.exe" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:4552
- C:\Users\Admin\AppData\Roaming\Windows\Client.exe
  "C:\Users\Admin\AppData\Roaming\Windows\Client.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "WOS64" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows\Client.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:3844
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /delete /tn "WOS64" /f
    3⤵
    PID:1700
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B0iBqzMl31Pf.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4272
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:4720
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      Runs ping.exe
      PID:3980

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

B0iBqzMl31Pf.bat

Path C:\Users\Admin\AppData\Local\Temp\B0iBqzMl31Pf.bat
Size 212B
SHA256 11cc414553c34fd073f4ef92c5ef202b93ab507930b4f5bb7cbe3c9aec789ac9
MD5 40e88fbb3ad4e815e1a9c37c06c72ede
SHA1 8a00101f8313dc1788e88cfae97d0689e4763af4
SHA512 292f163d158884fe17ac8757b9dadf0afd82737550421e7d542cdd1e8a76789ee8149dc01cf07af8fffe690513113229781939f72831775d55873ab327e549fe
MD5 SHA1 SHA512

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Client.exe

Path C:\Users\Admin\AppData\Roaming\Windows\Client.exe
Size 3.1MB
SHA256 f1360aa4d9adeff9ccff753f2996be1b827d7bc3a79549cc6635346ce3eb1da2
MD5 bb7a42f4595499e4cd801eacb252cae8
SHA1 bd19e59cd8203d29fa232ea026189d245e07e886
SHA512 29f160c2a84e8b3dd86ba62e65e8d91d782f7b347900eb72198012af40353986e2ce01a85cbf288a6146192cdb12450e0ec72024a675509ee6c9e6d089bb2449
SSDEEP 49152:mvRuf2NUaNmwzPWlvdaKM7ZxTwkQRJ6FbR3LoGd/ITHHB72eh2NT:mvsf2NUaNmwzPWlvdaB7ZxTwkQRJ6X
MD5 SHA1 SHA512 SSDEEP

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memory/1748-20-0x00007FFB4FB60000-0x00007FFB50621000-memory.dmp

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memory/1748-16-0x000000001BBC0000-0x000000001BBD2000-memory.dmp

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memory/1748-27-0x00007FFB4FB60000-0x00007FFB50621000-memory.dmp

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memory/1748-10-0x00007FFB4FB60000-0x00007FFB50621000-memory.dmp

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memory/1748-11-0x000000001B400000-0x000000001B410000-memory.dmp

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memory/1748-12-0x000000001BB50000-0x000000001BBA0000-memory.dmp

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memory/1748-13-0x000000001BC60000-0x000000001BD12000-memory.dmp

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memory/1748-26-0x000000001C560000-0x000000001C662000-memory.dmp

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memory/1748-17-0x000000001BC20000-0x000000001BC5C000-memory.dmp

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memory/1748-18-0x000000001C560000-0x000000001C662000-memory.dmp

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memory/4632-0-0x0000000000E10000-0x0000000001134000-memory.dmp

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memory/4632-2-0x000000001BF50000-0x000000001BF60000-memory.dmp

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memory/4632-9-0x00007FFB4FB60000-0x00007FFB50621000-memory.dmp

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memory/4632-1-0x00007FFB4FB60000-0x00007FFB50621000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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