Analysis
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max time kernel
3s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
21-08-2024 19:37
Behavioral task
behavioral1
Sample
b303cf21786ffb3a53bcabd6e4f0c810N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b303cf21786ffb3a53bcabd6e4f0c810N.exe
Resource
win10v2004-20240802-en
General
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Target
b303cf21786ffb3a53bcabd6e4f0c810N.exe
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Size
2.0MB
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MD5
b303cf21786ffb3a53bcabd6e4f0c810
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SHA1
213fa018f83eb7017cf22da7679df37b055ddf98
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SHA256
e0165e0bc92d206d65c35c5f5859dff9d8b40a5feec7500146732be859551665
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SHA512
8d1d3b2a7653a2c037725d068792e532f18f8d407ed97f7aa1b4b2ba9492d20cbf145a13f8238f1be8aefa875acdb8bbb6f07a898e1d9d3a7b5d02f85c024daf
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYs:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG
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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Quasar payload 4 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2792-52-0x0000000001190000-0x00000000011EE000-memory.dmp family_quasar behavioral1/memory/1232-62-0x00000000010A0000-0x00000000010FE000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar -
Executes dropped EXE 2 IoCs
Processes:
vnc.exewindef.exepid process 2884 vnc.exe 2792 windef.exe -
Loads dropped DLL 8 IoCs
Processes:
b303cf21786ffb3a53bcabd6e4f0c810N.exepid process 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
b303cf21786ffb3a53bcabd6e4f0c810N.exedescription ioc process File opened (read-only) \??\e: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\h: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\l: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\n: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\r: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\u: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\b: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\i: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\o: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\p: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\y: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\z: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\k: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\q: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\t: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\x: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\s: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\v: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\w: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\a: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\g: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\j: b303cf21786ffb3a53bcabd6e4f0c810N.exe File opened (read-only) \??\m: b303cf21786ffb3a53bcabd6e4f0c810N.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 9 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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum 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:
b303cf21786ffb3a53bcabd6e4f0c810N.exevnc.exedescription pid process target process PID 1292 set thread context of 2904 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe b303cf21786ffb3a53bcabd6e4f0c810N.exe PID 2884 set thread context of 2776 2884 vnc.exe svchost.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 2320 1232 WerFault.exe winsock.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
vnc.exeb303cf21786ffb3a53bcabd6e4f0c810N.exewindef.exeschtasks.exeb303cf21786ffb3a53bcabd6e4f0c810N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b303cf21786ffb3a53bcabd6e4f0c810N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b303cf21786ffb3a53bcabd6e4f0c810N.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Runs ping.exe 1 TTPs 1 IoCs
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Scheduled Task/Job: Scheduled Task 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 2836 schtasks.exe 1696 schtasks.exe 2544 schtasks.exe 2008 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b303cf21786ffb3a53bcabd6e4f0c810N.exepid process 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2884 vnc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
b303cf21786ffb3a53bcabd6e4f0c810N.exevnc.exedescription pid process target process PID 1292 wrote to memory of 2884 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe vnc.exe PID 1292 wrote to memory of 2884 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe vnc.exe PID 1292 wrote to memory of 2884 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe vnc.exe PID 1292 wrote to memory of 2884 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe vnc.exe PID 2884 wrote to memory of 2776 2884 vnc.exe svchost.exe PID 2884 wrote to memory of 2776 2884 vnc.exe svchost.exe PID 2884 wrote to memory of 2776 2884 vnc.exe svchost.exe PID 2884 wrote to memory of 2776 2884 vnc.exe svchost.exe PID 1292 wrote to memory of 2792 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe windef.exe PID 1292 wrote to memory of 2792 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe windef.exe PID 1292 wrote to memory of 2792 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe windef.exe PID 1292 wrote to memory of 2792 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe windef.exe PID 2884 wrote to memory of 2776 2884 vnc.exe svchost.exe PID 1292 wrote to memory of 2904 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe b303cf21786ffb3a53bcabd6e4f0c810N.exe PID 1292 wrote to memory of 2904 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe b303cf21786ffb3a53bcabd6e4f0c810N.exe PID 1292 wrote to memory of 2904 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe b303cf21786ffb3a53bcabd6e4f0c810N.exe PID 1292 wrote to memory of 2904 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe b303cf21786ffb3a53bcabd6e4f0c810N.exe PID 1292 wrote to memory of 2904 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe b303cf21786ffb3a53bcabd6e4f0c810N.exe PID 1292 wrote to memory of 2904 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe b303cf21786ffb3a53bcabd6e4f0c810N.exe PID 1292 wrote to memory of 2836 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe schtasks.exe PID 1292 wrote to memory of 2836 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe schtasks.exe PID 1292 wrote to memory of 2836 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe schtasks.exe PID 1292 wrote to memory of 2836 1292 b303cf21786ffb3a53bcabd6e4f0c810N.exe schtasks.exe PID 2884 wrote to memory of 2776 2884 vnc.exe svchost.exe PID 2884 wrote to memory of 2776 2884 vnc.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b303cf21786ffb3a53bcabd6e4f0c810N.exe"C:\Users\Admin\AppData\Local\Temp\b303cf21786ffb3a53bcabd6e4f0c810N.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2776 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2792 -
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⤵
- Scheduled Task/Job: Scheduled Task
PID:1696 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:1232
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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⤵
- Scheduled Task/Job: Scheduled Task
PID:2544 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\2yhP1A6KuXDZ.bat" "4⤵PID:2180
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:2324
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2064 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:1532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 15324⤵
- Program crash
PID:2320 -
C:\Users\Admin\AppData\Local\Temp\b303cf21786ffb3a53bcabd6e4f0c810N.exe"C:\Users\Admin\AppData\Local\Temp\b303cf21786ffb3a53bcabd6e4f0c810N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2904 -
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⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2836
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C:\Windows\system32\taskeng.exetaskeng.exe {97820BF9-9BE2-4F20-88F0-3E7BAD3BB1BA} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]1⤵PID:3032
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2060
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2452
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:584
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2160
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:1680
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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⤵
- Scheduled Task/Job: Scheduled Task
PID:2008
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
208B
MD51ffa841967b8ab11f9ad828eaf4410ab
SHA1dd93d703250eb8222311a755e7186cd36b4249b4
SHA25662df89e110937fdf5e20c0400f04f8081e2861442cc554fad76a8e6a092c545a
SHA512483db5c00cd237fdba3ce3012904228abad64fc5ba8a19b4f721a0bd4d3207bd86eb6f0278831884b03fbbd9bb33535d3f11705a28ca91c03dcf6994087b956f
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
211B
MD5812dc60908060a884d40bdee736adca8
SHA139c3bfdec77f60827fc34ddf07bd8f919a7da075
SHA256fd1fd574835fafc5467366faf660ef99092c9081ee1e030283330db553e0b56d
SHA5128a46d2d31df26a35056b446e75955b958a3e18500964337aa208ac535759f2472c624fd22bec1bcb9dfb14cb8bc81e52e1bb456faf99010f1283b4fe9d2a2cac
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Filesize
2.0MB
MD5424960a397b4a67860a98b9035452ddf
SHA1d82d650e4359979ea0a9a0276e8e9a5d7301f34c
SHA2569a1e39e70f888dd512478bb808fc511dea5393f964e19cc5a4390e93bbea8951
SHA5120aeb008bdc1d05cf3a339ec63c28e09283226a795f11378a994fdc68ed2dbaaae0d7c758ef4756e15ed466730c8bd36ac82dc2efb0cb3badf8a23e755a5f3756
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2