quasar | 59b2725f7466da2b7426c5d2b64af386c128e313738a0cd5a838a5ec3ca90b5c

Analysis

max time kernel
130s
max time network
140s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17-07-2024 13:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe
Size

2.7MB
MD5

533a8b7d2d523e95e31f517ea0e432de
SHA1

64e003d9c733196f1c1569ee40c64983cc6e4127
SHA256

59b2725f7466da2b7426c5d2b64af386c128e313738a0cd5a838a5ec3ca90b5c
SHA512

b777d95be33e9b9cd5e0f4e5d9c494b83be0f835697bf9b358c7cc93acf6f2ef35f2ac502b9f96030c0262a0c5289d072b0920cd9ea46eea0fa1b4cc59136c4f
SSDEEP

49152:NUF0bDj03kJVsDZj3dE1juUo5XipVmaiDQ2EX8q8bgZvakhJGFLBz8LS:NUFUjmmVsDhNYj/VpVzh2I4S0FLBz8LS

Score

10^/10

quasar venomrat rat evasion rat rootkit spyware stealer trojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

RAT

23.105.131.178:7812

Mutex

VNM_MUTEX_gdy9bWxR0te3WgTRnI

Attributes

encryption_key
MDXzdQumRqZGIeya7nG9
install_name
Windows Defender Security.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Windows Update
subdirectory
Microsoft

Signatures

Contains code to disable Windows Defender 4 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral1/files/0x000700000001211b-5.dat	disable_win_def
behavioral1/memory/2176-19-0x0000000000F00000-0x0000000000F8C000-memory.dmp	disable_win_def
behavioral1/memory/652-34-0x0000000000200000-0x000000000028C000-memory.dmp	disable_win_def
behavioral1/memory/980-102-0x0000000000F50000-0x0000000000FDC000-memory.dmp	disable_win_def

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

Windows Defender Security.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	Windows Defender Security.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	Windows Defender Security.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	Windows Defender Security.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	Windows Defender Security.exe

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

Quasar payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x000700000001211b-5.dat	family_quasar
behavioral1/memory/2176-19-0x0000000000F00000-0x0000000000F8C000-memory.dmp	family_quasar
behavioral1/memory/652-34-0x0000000000200000-0x000000000028C000-memory.dmp	family_quasar
behavioral1/memory/980-102-0x0000000000F50000-0x0000000000FDC000-memory.dmp	family_quasar

VenomRAT
VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.
rat rootkit stealer venomrat

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2428	cmd.exe

Executes dropped EXE 4 IoCs

Processes:

Windows Defender Security.exeAmazon valid emails by Scorpio.exeWindows Defender Security.exeWindows Defender Security.exe

pid	Process
2176	Windows Defender Security.exe
2908	Amazon valid emails by Scorpio.exe
652	Windows Defender Security.exe
980	Windows Defender Security.exe

Loads dropped DLL 8 IoCs

Processes:

533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exeWerFault.exeWindows Defender Security.exe

pid	Process
2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe
2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe
2008	WerFault.exe
2008	WerFault.exe
2008	WerFault.exe
2008	WerFault.exe
2008	WerFault.exe
2176	Windows Defender Security.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

Windows Defender Security.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	Windows Defender Security.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	Windows Defender Security.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.

Processes:

flow	ioc
2	ip-api.com

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2008	2908	WerFault.exe	31

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2452	PING.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
1972	schtasks.exe
1320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exeWindows Defender Security.exeWindows Defender Security.exe

pid	Process
2684	powershell.exe
2176	Windows Defender Security.exe
2176	Windows Defender Security.exe
2176	Windows Defender Security.exe
2176	Windows Defender Security.exe
2176	Windows Defender Security.exe
2176	Windows Defender Security.exe
2176	Windows Defender Security.exe
980	Windows Defender Security.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Amazon valid emails by Scorpio.exeWindows Defender Security.exepowershell.exeWindows Defender Security.exeWindows Defender Security.exe

description	pid	Process
Token: SeDebugPrivilege	2908	Amazon valid emails by Scorpio.exe
Token: SeDebugPrivilege	2176	Windows Defender Security.exe
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	652	Windows Defender Security.exe
Token: SeDebugPrivilege	652	Windows Defender Security.exe
Token: SeDebugPrivilege	980	Windows Defender Security.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Windows Defender Security.exe

pid	Process
652	Windows Defender Security.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exeAmazon valid emails by Scorpio.exeWindows Defender Security.exeWindows Defender Security.execmd.execmd.exe

description	pid	Process	procid_target
PID 2824 wrote to memory of 2176	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	30
PID 2824 wrote to memory of 2176	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	30
PID 2824 wrote to memory of 2176	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	30
PID 2824 wrote to memory of 2176	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	30
PID 2824 wrote to memory of 2908	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2908	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2908	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	31
PID 2824 wrote to memory of 2908	2824	533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe	31
PID 2908 wrote to memory of 2008	2908	Amazon valid emails by Scorpio.exe	32
PID 2908 wrote to memory of 2008	2908	Amazon valid emails by Scorpio.exe	32
PID 2908 wrote to memory of 2008	2908	Amazon valid emails by Scorpio.exe	32
PID 2908 wrote to memory of 2008	2908	Amazon valid emails by Scorpio.exe	32
PID 2176 wrote to memory of 1320	2176	Windows Defender Security.exe	34
PID 2176 wrote to memory of 1320	2176	Windows Defender Security.exe	34
PID 2176 wrote to memory of 1320	2176	Windows Defender Security.exe	34
PID 2176 wrote to memory of 1320	2176	Windows Defender Security.exe	34
PID 2176 wrote to memory of 652	2176	Windows Defender Security.exe	36
PID 2176 wrote to memory of 652	2176	Windows Defender Security.exe	36
PID 2176 wrote to memory of 652	2176	Windows Defender Security.exe	36
PID 2176 wrote to memory of 652	2176	Windows Defender Security.exe	36
PID 2176 wrote to memory of 2684	2176	Windows Defender Security.exe	37
PID 2176 wrote to memory of 2684	2176	Windows Defender Security.exe	37
PID 2176 wrote to memory of 2684	2176	Windows Defender Security.exe	37
PID 2176 wrote to memory of 2684	2176	Windows Defender Security.exe	37
PID 652 wrote to memory of 1972	652	Windows Defender Security.exe	39
PID 652 wrote to memory of 1972	652	Windows Defender Security.exe	39
PID 652 wrote to memory of 1972	652	Windows Defender Security.exe	39
PID 652 wrote to memory of 1972	652	Windows Defender Security.exe	39
PID 2176 wrote to memory of 2768	2176	Windows Defender Security.exe	41
PID 2176 wrote to memory of 2768	2176	Windows Defender Security.exe	41
PID 2176 wrote to memory of 2768	2176	Windows Defender Security.exe	41
PID 2176 wrote to memory of 2768	2176	Windows Defender Security.exe	41
PID 2768 wrote to memory of 2428	2768	cmd.exe	43
PID 2768 wrote to memory of 2428	2768	cmd.exe	43
PID 2768 wrote to memory of 2428	2768	cmd.exe	43
PID 2768 wrote to memory of 2428	2768	cmd.exe	43
PID 2176 wrote to memory of 1716	2176	Windows Defender Security.exe	45
PID 2176 wrote to memory of 1716	2176	Windows Defender Security.exe	45
PID 2176 wrote to memory of 1716	2176	Windows Defender Security.exe	45
PID 2176 wrote to memory of 1716	2176	Windows Defender Security.exe	45
PID 1716 wrote to memory of 2456	1716	cmd.exe	47
PID 1716 wrote to memory of 2456	1716	cmd.exe	47
PID 1716 wrote to memory of 2456	1716	cmd.exe	47
PID 1716 wrote to memory of 2456	1716	cmd.exe	47
PID 1716 wrote to memory of 2452	1716	cmd.exe	48
PID 1716 wrote to memory of 2452	1716	cmd.exe	48
PID 1716 wrote to memory of 2452	1716	cmd.exe	48
PID 1716 wrote to memory of 2452	1716	cmd.exe	48
PID 1716 wrote to memory of 980	1716	cmd.exe	49
PID 1716 wrote to memory of 980	1716	cmd.exe	49
PID 1716 wrote to memory of 980	1716	cmd.exe	49
PID 1716 wrote to memory of 980	1716	cmd.exe	49

C:\Users\Admin\AppData\Local\Temp\533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\533a8b7d2d523e95e31f517ea0e432de_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Roaming\Windows Defender Security.exe
  "C:\Users\Admin\AppData\Roaming\Windows Defender Security.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "Windows Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Defender Security.exe" /rl HIGHEST /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1320
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows Defender Security.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows Defender Security.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:652
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "Windows Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Windows Defender Security.exe" /rl HIGHEST /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1972
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" Get-MpPreference -verbose
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2684
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
      4⤵
      Deletes itself
      PID:2428
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\lFLalSjQGQEJ.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Windows\SysWOW64\chcp.com
      chcp 65001
      4⤵
      PID:2456
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 10 localhost
      4⤵
      Runs ping.exe
      PID:2452
  - - C:\Users\Admin\AppData\Roaming\Windows Defender Security.exe
      "C:\Users\Admin\AppData\Roaming\Windows Defender Security.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:980
- C:\Users\Admin\AppData\Roaming\Amazon valid emails by Scorpio.exe
  "C:\Users\Admin\AppData\Roaming\Amazon valid emails by Scorpio.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 23228
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab7D7B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7D9E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\lFLalSjQGQEJ.bat

Filesize
219B

MD5
f3d8193a0f1f4172a174d51235e298ac

SHA1
cc747b43daf45ba1bd9b1852deb8e6dafd042f6e

SHA256
593d678b1603ab53be25b55d5fb1eaf7684e24fd77a548c4db78ce0d228341fc

SHA512
6ec236aa654b38aadd49e210e4da270d5f4af6c91aef1c64b208c5dddf13acafbcfa186f1139c3990a48bd29043c69292ab8b3138d2a4f05e077954949d63524

Download Submit
C:\Users\Admin\AppData\Roaming\Amazon valid emails by Scorpio.exe

Filesize
2.8MB

MD5
555a824b8efc10e007b77675161fbfb8

SHA1
b4cf844d2bdd4580aa469341e8613ff6a67d2111

SHA256
e458a300574507d1bc999871b5a679494d69eef97c2fcff42715e3148d57646e

SHA512
b4fb2092fb1cf6ee94700e29336b0c109f4f2f8a8fcd53e56b136ff62d124d342024496281accaede0b84a5e46e2f7350f3f31b4a1e2d2ffd02436f61b78be8d

Download Submit
\Users\Admin\AppData\Roaming\Windows Defender Security.exe

Filesize
535KB

MD5
6f3b107a20b18244efb6473bae2544b1

SHA1
dc02ec107547c515bffeadcd87e6308c3bdfd390

SHA256
2b23c8f0299f92a4ba0f7d4eea26316cf2ffae2eaf41767ce452464c9951b2a0

SHA512
318b51a7bc6a37f9a4d2ee528d66124b541c9d3f2002ad7a15456071fe090cdb264f6439dbc3fa5471200d2faf5217d01af56b3eafa2830917480b080d31161c

Download Submit
memory/652-34-0x0000000000200000-0x000000000028C000-memory.dmp

Filesize
560KB

Download
memory/980-102-0x0000000000F50000-0x0000000000FDC000-memory.dmp

Filesize
560KB

Download
memory/2176-90-0x00000000725AE000-0x00000000725AF000-memory.dmp

Filesize
4KB

Download
memory/2176-19-0x0000000000F00000-0x0000000000F8C000-memory.dmp

Filesize
560KB

Download
memory/2176-18-0x00000000725AE000-0x00000000725AF000-memory.dmp

Filesize
4KB

Download
memory/2824-16-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-2-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-0-0x0000000074681000-0x0000000074682000-memory.dmp

Filesize
4KB

Download
memory/2824-1-0x0000000074680000-0x0000000074C2B000-memory.dmp

Filesize
5.7MB

Download
memory/2908-21-0x00000000725A0000-0x0000000072C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-20-0x0000000000C30000-0x0000000000F04000-memory.dmp

Filesize
2.8MB

Download
memory/2908-91-0x00000000725A0000-0x0000000072C8E000-memory.dmp

Filesize
6.9MB

Download