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Analysis
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max time kernel
3s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-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
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
resource yara_rule behavioral1/files/0x003600000001654a-28.dat family_quasar behavioral1/memory/2620-46-0x00000000001C0000-0x000000000021E000-memory.dmp family_quasar behavioral1/memory/1868-60-0x0000000000BC0000-0x0000000000C1E000-memory.dmp family_quasar behavioral1/files/0x0007000000016c42-62.dat family_quasar behavioral1/memory/2872-98-0x0000000001270000-0x00000000012CE000-memory.dmp family_quasar -
Detects Windows executables referencing non-Windows User-Agents 5 IoCs
resource yara_rule behavioral1/files/0x003600000001654a-28.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2620-46-0x00000000001C0000-0x000000000021E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1868-60-0x0000000000BC0000-0x0000000000C1E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/files/0x0007000000016c42-62.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/2872-98-0x0000000001270000-0x00000000012CE000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables containing common artifacts observed in infostealers 5 IoCs
resource yara_rule behavioral1/files/0x003600000001654a-28.dat INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/2620-46-0x00000000001C0000-0x000000000021E000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/1868-60-0x0000000000BC0000-0x0000000000C1E000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/files/0x0007000000016c42-62.dat INDICATOR_SUSPICIOUS_GENInfoStealer behavioral1/memory/2872-98-0x0000000001270000-0x00000000012CE000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer -
Executes dropped EXE 3 IoCs
pid Process 2212 vnc.exe 2620 windef.exe 1868 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 2416 WerFault.exe 2416 WerFault.exe 2416 WerFault.exe 2416 WerFault.exe 2620 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) \??\r: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\u: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\x: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\b: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\m: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\n: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\s: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\t: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\j: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\l: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\o: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\w: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\y: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\z: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\a: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\k: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\v: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\i: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\p: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\q: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\e: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\g: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe File opened (read-only) \??\h: c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.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 7 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0007000000016c42-62.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1972 set thread context of 2408 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 2416 2212 WerFault.exe 28 1976 1700 WerFault.exe 43 -
Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 384 schtasks.exe 640 schtasks.exe 1596 schtasks.exe 1808 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2620 windef.exe Token: SeDebugPrivilege 1868 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1868 winsock.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1972 wrote to memory of 2212 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 28 PID 1972 wrote to memory of 2212 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 28 PID 1972 wrote to memory of 2212 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 28 PID 1972 wrote to memory of 2212 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 28 PID 2212 wrote to memory of 2596 2212 vnc.exe 29 PID 2212 wrote to memory of 2596 2212 vnc.exe 29 PID 2212 wrote to memory of 2596 2212 vnc.exe 29 PID 2212 wrote to memory of 2596 2212 vnc.exe 29 PID 1972 wrote to memory of 2620 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 30 PID 1972 wrote to memory of 2620 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 30 PID 1972 wrote to memory of 2620 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 30 PID 1972 wrote to memory of 2620 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 30 PID 2212 wrote to memory of 2596 2212 vnc.exe 29 PID 1972 wrote to memory of 2408 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 31 PID 1972 wrote to memory of 2408 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 31 PID 1972 wrote to memory of 2408 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 31 PID 1972 wrote to memory of 2408 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 31 PID 1972 wrote to memory of 2408 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 31 PID 1972 wrote to memory of 2408 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 31 PID 1972 wrote to memory of 384 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 32 PID 1972 wrote to memory of 384 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 32 PID 1972 wrote to memory of 384 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 32 PID 1972 wrote to memory of 384 1972 c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe 32 PID 2212 wrote to memory of 2416 2212 vnc.exe 34 PID 2212 wrote to memory of 2416 2212 vnc.exe 34 PID 2212 wrote to memory of 2416 2212 vnc.exe 34 PID 2212 wrote to memory of 2416 2212 vnc.exe 34 PID 2620 wrote to memory of 640 2620 windef.exe 36 PID 2620 wrote to memory of 640 2620 windef.exe 36 PID 2620 wrote to memory of 640 2620 windef.exe 36 PID 2620 wrote to memory of 640 2620 windef.exe 36 PID 2620 wrote to memory of 1868 2620 windef.exe 38 PID 2620 wrote to memory of 1868 2620 windef.exe 38 PID 2620 wrote to memory of 1868 2620 windef.exe 38 PID 2620 wrote to memory of 1868 2620 windef.exe 38 PID 1868 wrote to memory of 1596 1868 winsock.exe 39 PID 1868 wrote to memory of 1596 1868 winsock.exe 39 PID 1868 wrote to memory of 1596 1868 winsock.exe 39 PID 1868 wrote to memory of 1596 1868 winsock.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1972 -
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:2212 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2416
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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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
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:640
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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:1868 -
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:1596
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C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"C:\Users\Admin\AppData\Local\Temp\c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0.exe"2⤵PID:2408
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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:384
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C:\Windows\system32\taskeng.exetaskeng.exe {90EFA261-D3F1-4AAE-88B8-E248C57ECF6B} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]1⤵PID:2196
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:1284
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:1700
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 1604⤵
- Program crash
PID:1976
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2872
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2052
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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:1808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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
209B
MD538952d3eccb45d880d1af03c51adfa51
SHA19cbcace4323d14450511d98bb1c020e4174f6864
SHA256af42e2f76056b1527a80d66f7981e4240d609c061c73cd8b4943f17bd4bc645f
SHA512e5c6bb2cbcf5b62548916ecc3a58a21e2c6ef584f7aa3e1ea5039aca238dbc1dd2ce55210d325f623fb31166346c25df6397f3cb630636a55c2a7532f966faaf
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Filesize
2.0MB
MD53b4c3f7077a461c8bcfc06c319ac4311
SHA1fd31879d63fda5bd157aa5565cfcdd064f8f9a6b
SHA2565fac24a59b3c0d045177d747f481a3799acb1977288da5a1f8cacd4383859e9b
SHA512f35022abe23e1e6e61dd582cd786c35be73ae1b55aa515b46db8eced335bdcdeddfd1dc1e4006356cda9c5172bf1df734c61c8cc878e6dbe2a013a8a4b8c6777