Analysis
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max time kernel
6s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
02-06-2024 02:31
Behavioral task
behavioral1
Sample
c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe
Resource
win10v2004-20240508-en
General
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Target
c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe
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Size
2.0MB
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MD5
8548db03f99bb1f196f630a90177cc60
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SHA1
8e098e4196ae0141ba331f297fb226c8cae19aea
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SHA256
c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0
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SHA512
8568953517932967da12c84d56055d688f4ce80dd3c8ecd2c2c0d72cd26be4926823e007c33ad5afa89ed6d449a6619bbeccfd934d0fc526d146b4232195c263
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye
Malware Config
Extracted
azorult
http://0x21.in:8000/_az/
Extracted
quasar
1.3.0.0
EbayProfiles
5.8.88.191:443
sockartek.icu:443
QSR_MUTEX_0kBRNrRz5TDLEQouI0
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encryption_key
MWhG6wsClMX8aJM2CVXT
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install_name
winsock.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
win defender run
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subdirectory
SubDir
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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flow ioc pid Process 51 ip-api.com Process not Found 5036 schtasks.exe 11 ip-api.com Process not Found -
Quasar payload 3 IoCs
resource yara_rule behavioral2/files/0x0007000000023421-12.dat family_quasar behavioral2/memory/1592-30-0x0000000000790000-0x00000000007EE000-memory.dmp family_quasar behavioral2/files/0x0007000000023425-46.dat family_quasar -
Detects Windows executables referencing non-Windows User-Agents 3 IoCs
resource yara_rule behavioral2/files/0x0007000000023421-12.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1592-30-0x0000000000790000-0x00000000007EE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/files/0x0007000000023425-46.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables containing common artifacts observed in infostealers 3 IoCs
resource yara_rule behavioral2/files/0x0007000000023421-12.dat INDICATOR_SUSPICIOUS_GENInfoStealer behavioral2/memory/1592-30-0x0000000000790000-0x00000000007EE000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer behavioral2/files/0x0007000000023425-46.dat INDICATOR_SUSPICIOUS_GENInfoStealer -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe -
Executes dropped EXE 3 IoCs
pid Process 3312 vnc.exe 1592 windef.exe 1388 winsock.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\y: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\b: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\e: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\k: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\m: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\q: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\w: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\x: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\z: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\a: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\i: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\l: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\n: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\u: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\v: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\h: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\j: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\p: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\g: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\o: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\r: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\s: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\t: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 ip-api.com 51 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x0007000000023425-46.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2940 set thread context of 600 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 89 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 5 IoCs
pid pid_target Process procid_target 4472 3312 WerFault.exe 83 4160 64 WerFault.exe 109 672 1388 WerFault.exe 96 4936 2224 WerFault.exe 124 400 3208 WerFault.exe 133 -
Creates scheduled task(s) 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5036 schtasks.exe 2944 schtasks.exe 2736 schtasks.exe 1168 schtasks.exe 5040 schtasks.exe 996 schtasks.exe -
Runs ping.exe 1 TTPs 2 IoCs
pid Process 4532 PING.EXE 632 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1592 windef.exe Token: SeDebugPrivilege 1388 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1388 winsock.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2940 wrote to memory of 3312 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 83 PID 2940 wrote to memory of 3312 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 83 PID 2940 wrote to memory of 3312 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 83 PID 3312 wrote to memory of 1732 3312 vnc.exe 85 PID 3312 wrote to memory of 1732 3312 vnc.exe 85 PID 2940 wrote to memory of 1592 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 86 PID 2940 wrote to memory of 1592 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 86 PID 2940 wrote to memory of 1592 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 86 PID 3312 wrote to memory of 1732 3312 vnc.exe 85 PID 2940 wrote to memory of 600 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 89 PID 2940 wrote to memory of 600 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 89 PID 2940 wrote to memory of 600 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 89 PID 2940 wrote to memory of 600 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 89 PID 2940 wrote to memory of 600 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 89 PID 2940 wrote to memory of 5036 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 91 PID 2940 wrote to memory of 5036 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 91 PID 2940 wrote to memory of 5036 2940 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 91 PID 1592 wrote to memory of 2944 1592 windef.exe 94 PID 1592 wrote to memory of 2944 1592 windef.exe 94 PID 1592 wrote to memory of 2944 1592 windef.exe 94 PID 1592 wrote to memory of 1388 1592 windef.exe 96 PID 1592 wrote to memory of 1388 1592 windef.exe 96 PID 1592 wrote to memory of 1388 1592 windef.exe 96 PID 1388 wrote to memory of 2736 1388 winsock.exe 97 PID 1388 wrote to memory of 2736 1388 winsock.exe 97 PID 1388 wrote to memory of 2736 1388 winsock.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 5483⤵
- Program crash
PID:4472
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:2944
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f4⤵
- Creates scheduled task(s)
PID:2736
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qS9tLayJ8DgB.bat" "4⤵PID:660
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:2904
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:4532
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:2224
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f6⤵
- Creates scheduled task(s)
PID:5040
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JfKDvS5xgmnm.bat" "6⤵PID:4308
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C:\Windows\SysWOW64\chcp.comchcp 650017⤵PID:2088
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost7⤵
- Runs ping.exe
PID:632
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"7⤵PID:3208
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f8⤵
- Creates scheduled task(s)
PID:996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 17528⤵
- Program crash
PID:400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 22166⤵
- Program crash
PID:4936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 22564⤵
- Program crash
PID:672
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C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"2⤵PID:600
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F2⤵
- Quasar RAT
- Creates scheduled task(s)
PID:5036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3312 -ip 33121⤵PID:4468
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:3564
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:64
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 5203⤵
- Program crash
PID:4160
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:4556
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:3736
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F2⤵
- Creates scheduled task(s)
PID:1168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 64 -ip 641⤵PID:5048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1388 -ip 13881⤵PID:2196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2224 -ip 22241⤵PID:4408
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD510eab9c2684febb5327b6976f2047587
SHA1a12ed54146a7f5c4c580416aecb899549712449e
SHA256f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928
SHA5127e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50
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Filesize
208B
MD59cd54ee80c2dfac2aa5411071bdf92af
SHA1d8cf63656beb721fa27b697259db001e1c162c38
SHA25684faba6e54fba71b4dd8d91b7865c746a36f73f26d6b6a15c1fba63f50c41798
SHA512a3f0cb30a57d44dacf5bb701951a3bb703840f28a4b9c47ec48a08f3f62eede27e1c5d5a8e42ccabdca4a77c182650f8a06c5fe247838ad096f0d24115d882dc
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Filesize
208B
MD58171d95acd56ca20ee2596d1edbeb3e0
SHA1acfd72b895500fc7b0a7b2ceb728480649626ea6
SHA25642b3bf7e8618467d304e8294b5b2d133502fb2de30df9ea5df8e7931ec42ac6b
SHA512978d4028ec297232c405b71dc0dfdbafde502acda322fa378f2df7fcedde19c741a6f1315b7113304d1d99e5f4700116cd02a20e707129a7ba817f93d4686759
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
224B
MD56845794e5e6c76d99005c9a57bd31ed3
SHA1809c8a080e81b3c8263474fc4edfbc8294dd3812
SHA256610ab996248650d1af9a6afa1a7d10a66258c19d38ecdcdd5239a6dd25f9f7a5
SHA5124563a2c3cf39db39bab7acb3c453c36c9f67066624e892257fcad3d891cf8a013891fbc41c5e67f204620aa32ff9cb469e9fb9535bd86f91ab825aa75429c9e2
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Filesize
224B
MD5d5c5f3a952bbc8744f87e7762f9b3ec8
SHA13bf473fa4a3473b50bf5d556f972e981d5beefc5
SHA256c560fb3659698c0190b82961a306671ad8548b2f813dfe17bf0d5b99be0e2a7d
SHA5120c5e59805103ae8054af0f5bd7b89d49f9aed4b4ac4be6ec488c969635d0f887a9b09467b39a2c5eb8820d7834fa7a5a58c84d9250f39a4440d013ce86b3345e
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Filesize
2.0MB
MD53b4c3f7077a461c8bcfc06c319ac4311
SHA1fd31879d63fda5bd157aa5565cfcdd064f8f9a6b
SHA2565fac24a59b3c0d045177d747f481a3799acb1977288da5a1f8cacd4383859e9b
SHA512f35022abe23e1e6e61dd582cd786c35be73ae1b55aa515b46db8eced335bdcdeddfd1dc1e4006356cda9c5172bf1df734c61c8cc878e6dbe2a013a8a4b8c6777