quasar | 44826422830a9dbdb47a8ae7b65e05dfda9c3ae44c20e9080e4b3b4a1f6ac445

General

Target

db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe
Size

507KB
MD5

db73c1d6a608da427db152e5a9f293dc
SHA1

983bd31b65f6de221ffcf99eb7cd854af975758b
SHA256

44826422830a9dbdb47a8ae7b65e05dfda9c3ae44c20e9080e4b3b4a1f6ac445
SHA512

a20e76805c47b29361a133cd06511186ceee57b48378a35f4791cda2651779ee2d91fa49e8ede6076da399b9f6239fa832337ddb1aebe75361d9aea581e3ea6d
SSDEEP

12288:wlxpL3PJ2qP7r9r/+ppppppppppppppppppppppppppppp0Gm:Yxp1X1qm

Score

10^/10

quasar discovery persistence spyware trojan

Malware Config

Signatures

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

Quasar payload 3 IoCs

resource	yara_rule
behavioral1/memory/2984-1-0x0000000000F50000-0x0000000000FD4000-memory.dmp	family_quasar
behavioral1/files/0x0009000000015f4d-7.dat	family_quasar
behavioral1/memory/2784-13-0x0000000000AD0000-0x0000000000B54000-memory.dmp	family_quasar

Executes dropped EXE 1 IoCs

pid	Process
2784	ricetta.exe

Loads dropped DLL 1 IoCs

pid	Process
2984	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ricetta = "\"C:\\Users\\Admin\\AppData\\Roaming\\SubDir\\ricetta.exe\""	ricetta.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ricetta = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe\""	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe

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
8	api.ipify.org

System Location Discovery: System Language Discovery 1 TTPs 2 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	ricetta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe
Token: SeDebugPrivilege	2784	ricetta.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2784	ricetta.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2784	2984	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe	32
PID 2984 wrote to memory of 2784	2984	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe	32
PID 2984 wrote to memory of 2784	2984	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe	32
PID 2984 wrote to memory of 2784	2984	db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db73c1d6a608da427db152e5a9f293dc_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Roaming\SubDir\ricetta.exe
  "C:\Users\Admin\AppData\Roaming\SubDir\ricetta.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\SubDir\ricetta.exe

Filesize
507KB

MD5
db73c1d6a608da427db152e5a9f293dc

SHA1
983bd31b65f6de221ffcf99eb7cd854af975758b

SHA256
44826422830a9dbdb47a8ae7b65e05dfda9c3ae44c20e9080e4b3b4a1f6ac445

SHA512
a20e76805c47b29361a133cd06511186ceee57b48378a35f4791cda2651779ee2d91fa49e8ede6076da399b9f6239fa832337ddb1aebe75361d9aea581e3ea6d

Download Submit
memory/2784-14-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-15-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-13-0x0000000000AD0000-0x0000000000B54000-memory.dmp

Filesize
528KB

Download
memory/2784-17-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2784-18-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-0-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/2984-1-0x0000000000F50000-0x0000000000FD4000-memory.dmp

Filesize
528KB

Download
memory/2984-2-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-3-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/2984-4-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2984-12-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads