Analysis
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max time kernel
3s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-01-2025 17:55
Behavioral task
behavioral1
Sample
b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe
Resource
win10v2004-20241007-en
General
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Target
b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe
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Size
2.0MB
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MD5
e38088f4b0a31ef0137687f74aae8d10
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SHA1
aaa60d48c7cdf0ba35d913b54a19193b978f732e
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SHA256
b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8e
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SHA512
00129f13004e63de02bd8f25346bd2abcf47aa5a6afa09cd9d1d7b3e81b6ecd2063c501dd7156484ae7e106e8aaccaed40b1a6376bfa6d5ba3d451b024279b9d
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YF
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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Azorult family
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Quasar family
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Quasar payload 5 IoCs
resource yara_rule behavioral1/files/0x0008000000016593-17.dat family_quasar behavioral1/memory/2900-46-0x00000000001A0000-0x00000000001FE000-memory.dmp family_quasar behavioral1/memory/2036-62-0x0000000000980000-0x00000000009DE000-memory.dmp family_quasar behavioral1/files/0x0008000000016c3d-66.dat family_quasar behavioral1/memory/2112-99-0x0000000001390000-0x00000000013EE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 1416 vnc.exe 2900 windef.exe 2036 winsock.exe -
Loads dropped DLL 9 IoCs
pid Process 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 2900 windef.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) \??\s: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\t: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\a: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\i: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\r: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\l: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\m: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\o: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\y: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\b: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\e: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\j: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\p: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\u: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\v: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\w: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\g: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\h: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\n: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\z: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\k: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\q: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe File opened (read-only) \??\x: b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.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.
flow ioc 5 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description 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.
resource yara_rule behavioral1/files/0x0008000000016c3d-66.dat autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1952 set thread context of 2752 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 33 PID 1416 set thread context of 1164 1416 vnc.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 856 2780 WerFault.exe 45 -
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsock.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2840 schtasks.exe 1020 schtasks.exe 1972 schtasks.exe 1520 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1416 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2900 windef.exe Token: SeDebugPrivilege 2036 winsock.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 1952 wrote to memory of 1416 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 30 PID 1952 wrote to memory of 1416 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 30 PID 1952 wrote to memory of 1416 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 30 PID 1952 wrote to memory of 1416 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 30 PID 1952 wrote to memory of 2900 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 31 PID 1952 wrote to memory of 2900 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 31 PID 1952 wrote to memory of 2900 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 31 PID 1952 wrote to memory of 2900 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 31 PID 1416 wrote to memory of 1164 1416 vnc.exe 32 PID 1416 wrote to memory of 1164 1416 vnc.exe 32 PID 1416 wrote to memory of 1164 1416 vnc.exe 32 PID 1416 wrote to memory of 1164 1416 vnc.exe 32 PID 1952 wrote to memory of 2752 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 33 PID 1952 wrote to memory of 2752 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 33 PID 1952 wrote to memory of 2752 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 33 PID 1952 wrote to memory of 2752 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 33 PID 1952 wrote to memory of 2752 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 33 PID 1952 wrote to memory of 2752 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 33 PID 1416 wrote to memory of 1164 1416 vnc.exe 32 PID 1952 wrote to memory of 2840 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 34 PID 1952 wrote to memory of 2840 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 34 PID 1952 wrote to memory of 2840 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 34 PID 1952 wrote to memory of 2840 1952 b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe 34 PID 1416 wrote to memory of 1164 1416 vnc.exe 32 PID 1416 wrote to memory of 1164 1416 vnc.exe 32 PID 2900 wrote to memory of 1020 2900 windef.exe 37 PID 2900 wrote to memory of 1020 2900 windef.exe 37 PID 2900 wrote to memory of 1020 2900 windef.exe 37 PID 2900 wrote to memory of 1020 2900 windef.exe 37 PID 2900 wrote to memory of 2036 2900 windef.exe 39 PID 2900 wrote to memory of 2036 2900 windef.exe 39 PID 2900 wrote to memory of 2036 2900 windef.exe 39 PID 2900 wrote to memory of 2036 2900 windef.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe"C:\Users\Admin\AppData\Local\Temp\b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.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:1952 -
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:1416 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:1164
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900 -
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⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1020
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2036 -
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:1972
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C:\Users\Admin\AppData\Local\Temp\b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe"C:\Users\Admin\AppData\Local\Temp\b8898efaa954fc0c03b9c39ddef10afed001d5a2807dfa033d938700035d1c8eN.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2752
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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⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2840
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C:\Windows\system32\taskeng.exetaskeng.exe {962C146A-6E8B-4609-BCB6-7CCA5701ACCC} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]1⤵PID:1804
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:1640
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2780
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2700
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 1604⤵
- Program crash
PID:856
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2112
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:1576
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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:1520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
213B
MD5d673ba1b77fb13d1b064f77be6a6bad5
SHA1e9467d64c491232960c893ad558558d0f0e8b522
SHA2569753890dec0ab30fa970b7b8b17a3dbe69ce44a01d08bb3eecec391cb690a935
SHA512e6e52b18d4b74d33f48d5f52c9494cb1ba43dd916b3a18b158f1c375ae7c3778a1207d565917ad28306787b2265a3509bcf496a6c3c5759646000b66bd89fa1c
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Filesize
2.0MB
MD578088da187ce35e46c68d4cee2ee85d0
SHA126f586e549d4c3ce9d7dd49aaa67e310c29328b4
SHA256fc62d536caedfdad671d1563426be3d95417b0b84ecacd1846375fbc902a5363
SHA51252c879d62264c48b249227413417a4536d1988244f9cbe37cf60b26f854fe22fc626e75d07c9a7c0e0c808fb7daa092d2e45e26543417bc8b2cbf8e0cdc10217
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb