Analysis
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max time kernel
3s -
max time network
68s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17-03-2024 02:05
Behavioral task
behavioral1
Sample
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe
Resource
win10v2004-20240226-en
General
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Target
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe
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Size
2.0MB
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MD5
3df05eb0338fe2e6ef8c5f0717223f04
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SHA1
e0cfae759348ed0a0b72eb484adbc2f52b37ac77
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SHA256
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f
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SHA512
1270b98bced91805350cf3d61f195111179be74f399fc2f14015b28d314b17e9c3469a0b4dc22a0a86bef86341e88cd011ec372d187ac5358b303a4d227fa0d7
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYR:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP
Malware Config
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
Extracted
azorult
http://0x21.in:8000/_az/
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Quasar payload 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2584-54-0x0000000000CA0000-0x0000000000CFE000-memory.dmp family_quasar behavioral1/memory/2608-64-0x00000000000C0000-0x000000000011E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar behavioral1/memory/2016-111-0x0000000000870000-0x00000000008CE000-memory.dmp family_quasar -
Detects Windows executables referencing non-Windows User-Agents 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2584-54-0x0000000000CA0000-0x0000000000CFE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2608-64-0x00000000000C0000-0x000000000011E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2016-111-0x0000000000870000-0x00000000008CE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables containing common artifacts observed in infostealers 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/2584-54-0x0000000000CA0000-0x0000000000CFE000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/2608-64-0x00000000000C0000-0x000000000011E000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/2016-111-0x0000000000870000-0x00000000008CE000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer -
Executes dropped EXE 2 IoCs
Processes:
vnc.exewindef.exepid process 3036 vnc.exe 2584 windef.exe -
Loads dropped DLL 8 IoCs
Processes:
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exepid process 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exedescription ioc process File opened (read-only) \??\g: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\n: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\o: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\u: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\v: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\a: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\j: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\m: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\b: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\h: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\i: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\k: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\l: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\p: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\r: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\s: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\t: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\w: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\x: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\y: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\z: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\e: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe File opened (read-only) \??\q: fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.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 7 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
vnc.exefbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exedescription pid process target process PID 3036 set thread context of 2516 3036 vnc.exe svchost.exe PID 2876 set thread context of 2600 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1304 2608 WerFault.exe winsock.exe -
Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 2420 schtasks.exe 1552 schtasks.exe 1748 schtasks.exe 1720 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exepid process 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 3036 vnc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exevnc.exedescription pid process target process PID 2876 wrote to memory of 3036 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe vnc.exe PID 2876 wrote to memory of 3036 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe vnc.exe PID 2876 wrote to memory of 3036 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe vnc.exe PID 2876 wrote to memory of 3036 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe vnc.exe PID 3036 wrote to memory of 2516 3036 vnc.exe svchost.exe PID 3036 wrote to memory of 2516 3036 vnc.exe svchost.exe PID 3036 wrote to memory of 2516 3036 vnc.exe svchost.exe PID 3036 wrote to memory of 2516 3036 vnc.exe svchost.exe PID 3036 wrote to memory of 2516 3036 vnc.exe svchost.exe PID 2876 wrote to memory of 2584 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe windef.exe PID 2876 wrote to memory of 2584 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe windef.exe PID 2876 wrote to memory of 2584 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe windef.exe PID 2876 wrote to memory of 2584 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe windef.exe PID 2876 wrote to memory of 2600 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe PID 2876 wrote to memory of 2600 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe PID 2876 wrote to memory of 2600 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe PID 2876 wrote to memory of 2600 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe PID 2876 wrote to memory of 2600 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe PID 3036 wrote to memory of 2516 3036 vnc.exe svchost.exe PID 2876 wrote to memory of 2600 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe PID 2876 wrote to memory of 2420 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe schtasks.exe PID 2876 wrote to memory of 2420 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe schtasks.exe PID 2876 wrote to memory of 2420 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe schtasks.exe PID 2876 wrote to memory of 2420 2876 fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe schtasks.exe PID 3036 wrote to memory of 2516 3036 vnc.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe"C:\Users\Admin\AppData\Local\Temp\fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2516 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
PID:2584 -
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:1552 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:2608
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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 /f4⤵
- Creates scheduled task(s)
PID:1748 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\mitijXw8nHfO.bat" "4⤵PID:1912
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:876
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:1732 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:2860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 15084⤵
- Program crash
PID:1304 -
C:\Users\Admin\AppData\Local\Temp\fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe"C:\Users\Admin\AppData\Local\Temp\fbc01257551c6cd7bc0f2245ed9ce6521861d0238d2272830074f50bfbff620f.exe"2⤵PID:2600
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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:2420
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C:\Windows\system32\taskeng.exetaskeng.exe {C5AAC6BB-DFB0-4C10-94C7-E2C527462ACA} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]1⤵PID:1940
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:1804
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:1684
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2972
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2016
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2928
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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 /F3⤵
- Creates scheduled task(s)
PID:1720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
208B
MD516ba8e0f5761b164409fef593e29a8ca
SHA174efe3cf6e9b04b715255dff3db6e512e98bea70
SHA25675413d1327448329e61f430c4f5d9136f0f2e94ca41cc3f2238241a748e88e10
SHA512dea36a6a21081db6917f7f60927986eeb64ee37c23d3aca9321a7e4744e9364cae8decf30e5664840091c5ea0a5b2e77562bdf1746a0398fbaf9ee86df9564fa
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Filesize
2.0MB
MD5ca82ac62eb2e68bd511748dccfa7bdb3
SHA12532c803d8c45661a4a220b829672030d3879988
SHA256d45b8f333fd076a8feee3fb9bd090fc829ca456f6be3c1e7bdcf06d9064961d3
SHA51299d57ae5254104050c15bf3c09cef6df503e00ca4ad2641112be02f029b972a4e5b48a5cddb9e15b4f01b0d7c5192a8d672b4f9485e322961e9d94edbbd5dc3c
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb