Analysis
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max time kernel
5s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-09-2024 06:42
Behavioral task
behavioral1
Sample
a4ebf39cba4ff9fe727f9e0f6b965620N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a4ebf39cba4ff9fe727f9e0f6b965620N.exe
Resource
win10v2004-20240802-en
General
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Target
a4ebf39cba4ff9fe727f9e0f6b965620N.exe
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Size
2.0MB
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MD5
a4ebf39cba4ff9fe727f9e0f6b965620
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SHA1
595e28bbb4071eaa622ca79c3f54d320a823a17a
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SHA256
6aa9609343f8ab04adcd92c3b6a9b9b3520283fce9342a2e1a239569dcdc571d
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SHA512
3f20bbece7fa8f4474c3eb696ecde6d371efd7a4fe77b23a42ff03fa848fe633b33afd518087b0c04815a317950d585cf917f3de6a045c95bec58589657bbd5f
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ
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/0x0007000000023435-13.dat family_quasar behavioral2/memory/4360-32-0x0000000000E60000-0x0000000000EBE000-memory.dmp family_quasar behavioral2/files/0x0007000000023438-50.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation a4ebf39cba4ff9fe727f9e0f6b965620N.exe -
Executes dropped EXE 3 IoCs
pid Process 1948 vnc.exe 4360 windef.exe 3676 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) \??\s: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\v: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\x: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\z: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\l: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\r: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\t: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\a: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\n: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\j: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\k: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\o: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\p: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\u: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\w: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\e: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\g: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\y: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\i: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\m: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\q: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\b: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\h: a4ebf39cba4ff9fe727f9e0f6b965620N.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 10 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x0007000000023438-50.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4996 set thread context of 2848 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 3 IoCs
pid pid_target Process procid_target 4776 1948 WerFault.exe 85 924 3676 WerFault.exe 99 1340 4192 WerFault.exe 117 -
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 vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4ebf39cba4ff9fe727f9e0f6b965620N.exe 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 a4ebf39cba4ff9fe727f9e0f6b965620N.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3204 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3204 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 2424 schtasks.exe 4508 schtasks.exe 1544 schtasks.exe 4384 schtasks.exe 1988 schtasks.exe 4636 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4360 windef.exe Token: SeDebugPrivilege 3676 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3676 winsock.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4996 wrote to memory of 1948 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 85 PID 4996 wrote to memory of 1948 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 85 PID 4996 wrote to memory of 1948 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 85 PID 1948 wrote to memory of 3332 1948 vnc.exe 88 PID 1948 wrote to memory of 3332 1948 vnc.exe 88 PID 4996 wrote to memory of 4360 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 89 PID 4996 wrote to memory of 4360 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 89 PID 4996 wrote to memory of 4360 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 89 PID 1948 wrote to memory of 3332 1948 vnc.exe 88 PID 4996 wrote to memory of 2848 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 91 PID 4996 wrote to memory of 2848 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 91 PID 4996 wrote to memory of 2848 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 91 PID 4996 wrote to memory of 2848 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 91 PID 4996 wrote to memory of 2848 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 91 PID 4996 wrote to memory of 2424 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 93 PID 4996 wrote to memory of 2424 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 93 PID 4996 wrote to memory of 2424 4996 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 93 PID 4360 wrote to memory of 4508 4360 windef.exe 97 PID 4360 wrote to memory of 4508 4360 windef.exe 97 PID 4360 wrote to memory of 4508 4360 windef.exe 97 PID 4360 wrote to memory of 3676 4360 windef.exe 99 PID 4360 wrote to memory of 3676 4360 windef.exe 99 PID 4360 wrote to memory of 3676 4360 windef.exe 99 PID 3676 wrote to memory of 1544 3676 winsock.exe 100 PID 3676 wrote to memory of 1544 3676 winsock.exe 100 PID 3676 wrote to memory of 1544 3676 winsock.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.exe"C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.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:4996 -
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:1948 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:3332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 5483⤵
- Program crash
PID:4776
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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:4360 -
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:4508
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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:3676 -
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:1544
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4hy5I1ibDox0.bat" "4⤵PID:4784
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:3748
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3204
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:4120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 19644⤵
- Program crash
PID:924
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C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.exe"C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2848
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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:2424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1948 -ip 19481⤵PID:2364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3676 -ip 36761⤵PID:2416
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:4868
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:4192
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 5203⤵
- Program crash
PID:1340
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:4700
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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:1988
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:1572
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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:4636
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:4092
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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:4384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4192 -ip 41921⤵PID:1800
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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:1104
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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:3892
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
MD51379745b4fbc2c261834d75bc2480181
SHA1d0d653fc910165744ed1bd38c32e765311b5a27e
SHA25643d091848a5057195b1f5b0fd84f8ca70e51f7d479a794dbc67597a61178b3d9
SHA512e2af410e8b95c6b4d8a64a4352c4fdb18e929228e788205cfefeff3ab12aab166deab77ab107c89432b6d94de02981aa779275eab386af7513c8b23fb12d337f
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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
MD59711adfd4562b511b4cb9d1c767aa984
SHA11af8732840b6518afa004d68b104d5017f644ab0
SHA2561ddba4e7a79137de4abcb52bc9ca36f8f7ae1fb9232fc0765c1e83444676c450
SHA5125612db366837ce0be9f0a397bc127135f530a09e64cd396ebfbc9b6b9faeb36ed6e1ff71986878b4e26d1b0395c1fe0f05b1b22dfd82b9faed2b4f75d19f2d1d
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Filesize
2.0MB
MD5e02496d38e9c8b8a4704a694297c22d4
SHA1cf8f98446b530641b9e4e02984df27d1c41b24b0
SHA2562243f51d4edd70cffc806c92716337b47a7d630700e1e7f91318750b3e09beb5
SHA512e3be24f282e3d23e8c6e961002dc8d2b37f879752b70d1f11cfb6d35140d935407139ad1fd9e4df61da4c596698860cd156f6b60295cb50be0c74d00b24eb9e6