Analysis
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max time kernel
6s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 00:49
Behavioral task
behavioral1
Sample
a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
Resource
win10v2004-20240802-en
General
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Target
a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe
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Size
2.0MB
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MD5
ccb4dfbb22f36fea1236c4100d54d214
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SHA1
8db45e1e327e1c0db5e4e0a2504c034c92ec5828
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SHA256
a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e
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SHA512
08b79cce9dc7704de1f223af2f5edebe0185cfe4cadffd4f32dfb151d7b58183d32dcd05b8abb8007437587b7acea01a143c2c6e66971065f88cdfa70ed2346a
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1
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 3 IoCs
resource yara_rule behavioral2/files/0x00070000000234e5-12.dat family_quasar behavioral2/memory/4996-30-0x0000000000830000-0x000000000088E000-memory.dmp family_quasar behavioral2/files/0x00070000000234e7-50.dat family_quasar -
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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe -
Executes dropped EXE 3 IoCs
pid Process 4984 vnc.exe 4996 windef.exe 1980 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) \??\g: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\y: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\a: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\e: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\x: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\o: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\p: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\q: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\r: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\s: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\h: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\k: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\n: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\u: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\l: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\m: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\t: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\v: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\w: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\b: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\i: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\j: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe File opened (read-only) \??\z: a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.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 13 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x00070000000234e7-50.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4732 set thread context of 3828 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 87 -
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 1684 4984 WerFault.exe 82 4860 1980 WerFault.exe 95 3896 4256 WerFault.exe 112 2408 1828 WerFault.exe 122 1332 1828 WerFault.exe 122 -
System Location Discovery: System Language Discovery 1 TTPs 8 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsock.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4624 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4624 PING.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4940 schtasks.exe 536 schtasks.exe 4780 schtasks.exe 2196 schtasks.exe 4432 schtasks.exe 1560 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4996 windef.exe Token: SeDebugPrivilege 1980 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1980 winsock.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4732 wrote to memory of 4984 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 82 PID 4732 wrote to memory of 4984 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 82 PID 4732 wrote to memory of 4984 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 82 PID 4732 wrote to memory of 4996 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 84 PID 4732 wrote to memory of 4996 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 84 PID 4732 wrote to memory of 4996 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 84 PID 4984 wrote to memory of 4972 4984 vnc.exe 85 PID 4984 wrote to memory of 4972 4984 vnc.exe 85 PID 4984 wrote to memory of 4972 4984 vnc.exe 85 PID 4732 wrote to memory of 3828 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 87 PID 4732 wrote to memory of 3828 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 87 PID 4732 wrote to memory of 3828 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 87 PID 4732 wrote to memory of 3828 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 87 PID 4732 wrote to memory of 3828 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 87 PID 4732 wrote to memory of 1560 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 89 PID 4732 wrote to memory of 1560 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 89 PID 4732 wrote to memory of 1560 4732 a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe 89 PID 4996 wrote to memory of 4940 4996 windef.exe 93 PID 4996 wrote to memory of 4940 4996 windef.exe 93 PID 4996 wrote to memory of 4940 4996 windef.exe 93 PID 4996 wrote to memory of 1980 4996 windef.exe 95 PID 4996 wrote to memory of 1980 4996 windef.exe 95 PID 4996 wrote to memory of 1980 4996 windef.exe 95 PID 1980 wrote to memory of 536 1980 winsock.exe 96 PID 1980 wrote to memory of 536 1980 winsock.exe 96 PID 1980 wrote to memory of 536 1980 winsock.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe"C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:4972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 5483⤵
- Program crash
PID:1684
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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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4996 -
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:4940
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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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980 -
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⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:536
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\b8oqchSVWaSH.bat" "4⤵PID:4844
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:2428
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4624
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:1212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 19924⤵
- Program crash
PID:4860
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C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe"C:\Users\Admin\AppData\Local\Temp\a99f75f5359097c79d2e9604988a38b8ed5a3dd03678b4f30a0a56467ed6f28e.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3828
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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:1560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4984 -ip 49841⤵PID:1188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1980 -ip 19801⤵PID:2096
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:3868
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:4256
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:3024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 5203⤵
- Program crash
PID:3896
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:4752
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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:2196
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:1828
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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:4432
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\u1x2KhCVcW8I.bat" "4⤵PID:4712
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 22484⤵
- Program crash
PID:2408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 22484⤵
- Program crash
PID:1332
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:4132
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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⤵
- Scheduled Task/Job: Scheduled Task
PID:4780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4256 -ip 42561⤵PID:3580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1828 -ip 18281⤵PID:2380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1828 -ip 18281⤵PID:1608
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵PID:4968
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵PID:396
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
MD534aae161796bfa2a05fe107b7d4ea503
SHA13bef42b331d04cbf2cdf7a232a326a76662b9e7c
SHA25650943858a8cfa41c650bfc9ab29acee517c2f8eb2ac3bb3621c347eadb9f2603
SHA512761a3002710830ba057a7936da4d7c44a3dc5d7b7d6c9a16f5e4e6e1460774f93eb229522a9a36ed70865eef0dce115fdd51518092bba1b6ab64fc7479c852dc
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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
MD58f29469f72c564f486ad8643710778c5
SHA1b9687dbd1bffb0a37cd8536679bf2ab9d620003a
SHA25695476143236c83bf9e0eea37c16bf1582e13294bb9c4ebb659f3ebbb23a04e86
SHA51201062450a2d627198e7b7fd7f9e8c499014237a4f6f6fe410cc7558510d82772a3068a457ac92337280ea2e64ca853223b22f0f96b1393663b3ab9a9878387a7
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Filesize
2.0MB
MD5032e016b245d332402ffb85bd77d953d
SHA1e8056bdfea37f86ec3d5015e663971f690bcc22c
SHA256a2aa294ab954e5853cf26852459b30e7daa239c5697cd74ee60baf88d25f13ec
SHA512459034287e50d8d7f16eeca98e10ce61d92e469956ee5d767a5012ae5bc2e3dd57ff02d0b88e59f3220f9445910547596b5dd00ca02689df7f145ff8020c3659