quasar | 828174bf347381e23da462e1d7532958389ecfb00639f6eb5f6001d9f6ac199b

Analysis

max time kernel
141s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
18-05-2024 03:30

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General

Target

828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
Size

534KB
MD5

828849f08b62df77ea83d35202ef5210
SHA1

a44599acea03322dee6129e8bc28da56a7edfc8f
SHA256

828174bf347381e23da462e1d7532958389ecfb00639f6eb5f6001d9f6ac199b
SHA512

54dfb7f51ce2fe101ec9033b66be916f0b08052da50c5134f5f8dcc96b5cc250c88679337b6a3a5265c58955d2f8bbfda9d4fd364088635cd6e2201585b5513a
SSDEEP

6144:W8fGYJngzxsoIasFzFMkb7ShY97hNbE/55qiIqtqVh06vOGy3V8/GV0jivyabBYv:rkxfIayFMLqheh8KqVh06vDv

Score

10^/10

quasar venomrat office04 evasion rat rootkit spyware stealer trojan

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Office04

0.tcp.sa.ngrok.io:19439

Mutex

VNM_MUTEX_c2q7y2ayYutZ2XaYe7

Attributes

encryption_key
xzHeU68ynlwXnJHWc12M
install_name
$77lol.exe
log_directory
Logs
reconnect_delay
3000
startup_key
$77lol
subdirectory
SubDir

Signatures

Contains code to disable Windows Defender 3 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/1276-1-0x0000000000B90000-0x0000000000C1C000-memory.dmp	disable_win_def
\Users\Admin\AppData\Roaming\SubDir\$77lol.exe	disable_win_def
behavioral1/memory/2684-9-0x00000000008A0000-0x000000000092C000-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:

828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

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

Quasar payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1276-1-0x0000000000B90000-0x0000000000C1C000-memory.dmp	family_quasar
\Users\Admin\AppData\Roaming\SubDir\$77lol.exe	family_quasar
behavioral1/memory/2684-9-0x00000000008A0000-0x000000000092C000-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
Executes dropped EXE 1 IoCs

Processes:

$77lol.exe

pid process

2684 $77lol.exe
Loads dropped DLL 1 IoCs

Processes:

828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

pid process

1276 828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

pid	process
2684	$77lol.exe

pid	process
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service
T1102

Processes:

flow ioc

7 0.tcp.sa.ngrok.io
17 0.tcp.sa.ngrok.io
26 0.tcp.sa.ngrok.io
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
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

Processes:

schtasks.exeschtasks.exe

pid process

2652 schtasks.exe
2508 schtasks.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1512 PING.EXE

flow	ioc
7	0.tcp.sa.ngrok.io
17	0.tcp.sa.ngrok.io
26	0.tcp.sa.ngrok.io

flow	ioc
2	ip-api.com

pid	process
2652	schtasks.exe
2508	schtasks.exe

pid	process
1512	PING.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exe828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

pid	process
2588	powershell.exe
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
2912	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exepowershell.exe$77lol.exe828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

description	pid	process
Token: SeDebugPrivilege	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
Token: SeDebugPrivilege	2588	powershell.exe
Token: SeDebugPrivilege	2684	$77lol.exe
Token: SeDebugPrivilege	2684	$77lol.exe
Token: SeDebugPrivilege	2912	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

$77lol.exe

pid process

2684 $77lol.exe

pid	process
2684	$77lol.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe$77lol.execmd.execmd.exe

description	pid	process	target process
PID 1276 wrote to memory of 2652	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	schtasks.exe
PID 1276 wrote to memory of 2652	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	schtasks.exe
PID 1276 wrote to memory of 2652	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	schtasks.exe
PID 1276 wrote to memory of 2652	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	schtasks.exe
PID 1276 wrote to memory of 2684	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	$77lol.exe
PID 1276 wrote to memory of 2684	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	$77lol.exe
PID 1276 wrote to memory of 2684	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	$77lol.exe
PID 1276 wrote to memory of 2684	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	$77lol.exe
PID 1276 wrote to memory of 2588	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	powershell.exe
PID 1276 wrote to memory of 2588	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	powershell.exe
PID 1276 wrote to memory of 2588	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	powershell.exe
PID 1276 wrote to memory of 2588	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	powershell.exe
PID 2684 wrote to memory of 2508	2684	$77lol.exe	schtasks.exe
PID 2684 wrote to memory of 2508	2684	$77lol.exe	schtasks.exe
PID 2684 wrote to memory of 2508	2684	$77lol.exe	schtasks.exe
PID 2684 wrote to memory of 2508	2684	$77lol.exe	schtasks.exe
PID 1276 wrote to memory of 2144	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 1276 wrote to memory of 2144	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 1276 wrote to memory of 2144	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 1276 wrote to memory of 2144	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 2144 wrote to memory of 1860	2144	cmd.exe	cmd.exe
PID 2144 wrote to memory of 1860	2144	cmd.exe	cmd.exe
PID 2144 wrote to memory of 1860	2144	cmd.exe	cmd.exe
PID 2144 wrote to memory of 1860	2144	cmd.exe	cmd.exe
PID 1276 wrote to memory of 1584	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 1276 wrote to memory of 1584	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 1276 wrote to memory of 1584	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 1276 wrote to memory of 1584	1276	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe	cmd.exe
PID 1584 wrote to memory of 1620	1584	cmd.exe	chcp.com
PID 1584 wrote to memory of 1620	1584	cmd.exe	chcp.com
PID 1584 wrote to memory of 1620	1584	cmd.exe	chcp.com
PID 1584 wrote to memory of 1620	1584	cmd.exe	chcp.com
PID 1584 wrote to memory of 1512	1584	cmd.exe	PING.EXE
PID 1584 wrote to memory of 1512	1584	cmd.exe	PING.EXE
PID 1584 wrote to memory of 1512	1584	cmd.exe	PING.EXE
PID 1584 wrote to memory of 1512	1584	cmd.exe	PING.EXE
PID 1584 wrote to memory of 2912	1584	cmd.exe	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
PID 1584 wrote to memory of 2912	1584	cmd.exe	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
PID 1584 wrote to memory of 2912	1584	cmd.exe	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
PID 1584 wrote to memory of 2912	1584	cmd.exe	828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Loads dropped DLL
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "$77lol" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2652

C:\Users\Admin\AppData\Roaming\SubDir\$77lol.exe
"C:\Users\Admin\AppData\Roaming\SubDir\$77lol.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "$77lol" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\$77lol.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:2508

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2588

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2144

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
3⤵
PID:1860

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\i1ZkhMPmEVmQ.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\SysWOW64\chcp.com
chcp 65001
3⤵
PID:1620

C:\Windows\SysWOW64\PING.EXE
ping -n 10 localhost
3⤵
- Runs ping.exe
PID:1512

C:\Users\Admin\AppData\Local\Temp\828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\828849f08b62df77ea83d35202ef5210_NeikiAnalytics.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2912

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab20CC.tmp
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar20DE.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Local\Temp\i1ZkhMPmEVmQ.bat
Filesize
244B

MD5
a53a58eaefe31ffa7b20ec5f0402fc60

SHA1
cb7dff79003d3a43082664ab8669e03a86319187

SHA256
4d8ccd0a2dcac5abc49996fac8ef2a3425942683fde46a4836c66c9c7d8fed54

SHA512
37714e5375e23681e1d07637041599c931834836e694157b561b332891c5819170ecdaa08d24c8a45216da53a05b0258e86cdfe76ff70249cea97e1262efb63c

Download Submit
\Users\Admin\AppData\Roaming\SubDir\$77lol.exe
Filesize
534KB

MD5
828849f08b62df77ea83d35202ef5210

SHA1
a44599acea03322dee6129e8bc28da56a7edfc8f

SHA256
828174bf347381e23da462e1d7532958389ecfb00639f6eb5f6001d9f6ac199b

SHA512
54dfb7f51ce2fe101ec9033b66be916f0b08052da50c5134f5f8dcc96b5cc250c88679337b6a3a5265c58955d2f8bbfda9d4fd364088635cd6e2201585b5513a

Download Submit
memory/1276-67-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

Filesize
4KB

Download
memory/1276-2-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/1276-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

Filesize
4KB

Download
memory/1276-68-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/1276-1-0x0000000000B90000-0x0000000000C1C000-memory.dmp

Filesize
560KB

Download
memory/1276-80-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/2684-10-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/2684-11-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/2684-9-0x00000000008A0000-0x000000000092C000-memory.dmp

Filesize
560KB

Download
memory/2684-69-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download
memory/2684-70-0x0000000074B70000-0x000000007525E000-memory.dmp

Filesize
6.9MB

Download