Analysis
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max time kernel
4s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
15-08-2024 02:20
Behavioral task
behavioral1
Sample
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe
Resource
win10v2004-20240802-en
General
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Target
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe
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Size
2.0MB
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MD5
864fa073b942b1b23b62fa012c06683d
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SHA1
36beb5c3b1c9743662c85ae78bb25e72cca03bb5
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SHA256
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b
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SHA512
bc428acb0c08f3083a05b564a59dcb78f635fd97d0f7b09f002418cd074941d9de15a537f8923a15f68507a0a682ad19f23a595b58d8b64708d133e72bcbb864
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt
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
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/1280-46-0x0000000000D70000-0x0000000000DCE000-memory.dmp family_quasar behavioral1/memory/776-60-0x00000000012F0000-0x000000000134E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar behavioral1/memory/2212-85-0x0000000001120000-0x000000000117E000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
Processes:
vnc.exewindef.exepid process 2536 vnc.exe 1280 windef.exe -
Loads dropped DLL 12 IoCs
Processes:
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exeWerFault.exepid process 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2812 WerFault.exe 2812 WerFault.exe 2812 WerFault.exe 2812 WerFault.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exedescription ioc process File opened (read-only) \??\o: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\v: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\b: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\i: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\k: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\l: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\s: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\t: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\w: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\e: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\g: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\m: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\n: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\a: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\r: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\z: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\u: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\x: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\y: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\h: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\j: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\p: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe File opened (read-only) \??\q: a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.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 4 ip-api.com -
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 1 IoCs
Processes:
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exedescription pid process target process PID 2148 set thread context of 804 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.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 2812 2536 WerFault.exe vnc.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:
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exewindef.exeschtasks.exea888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exevnc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.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 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe -
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 324 schtasks.exe 1916 schtasks.exe 948 schtasks.exe 2836 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exepid process 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
windef.exedescription pid process Token: SeDebugPrivilege 1280 windef.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exevnc.exedescription pid process target process PID 2148 wrote to memory of 2536 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe vnc.exe PID 2148 wrote to memory of 2536 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe vnc.exe PID 2148 wrote to memory of 2536 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe vnc.exe PID 2148 wrote to memory of 2536 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe vnc.exe PID 2536 wrote to memory of 2008 2536 vnc.exe svchost.exe PID 2536 wrote to memory of 2008 2536 vnc.exe svchost.exe PID 2536 wrote to memory of 2008 2536 vnc.exe svchost.exe PID 2536 wrote to memory of 2008 2536 vnc.exe svchost.exe PID 2536 wrote to memory of 2008 2536 vnc.exe svchost.exe PID 2148 wrote to memory of 1280 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe windef.exe PID 2148 wrote to memory of 1280 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe windef.exe PID 2148 wrote to memory of 1280 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe windef.exe PID 2148 wrote to memory of 1280 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe windef.exe PID 2148 wrote to memory of 804 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe PID 2148 wrote to memory of 804 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe PID 2148 wrote to memory of 804 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe PID 2148 wrote to memory of 804 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe PID 2148 wrote to memory of 804 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe PID 2148 wrote to memory of 804 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe PID 2148 wrote to memory of 2836 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe schtasks.exe PID 2148 wrote to memory of 2836 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe schtasks.exe PID 2148 wrote to memory of 2836 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe schtasks.exe PID 2148 wrote to memory of 2836 2148 a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe schtasks.exe PID 2536 wrote to memory of 2812 2536 vnc.exe WerFault.exe PID 2536 wrote to memory of 2812 2536 vnc.exe WerFault.exe PID 2536 wrote to memory of 2812 2536 vnc.exe WerFault.exe PID 2536 wrote to memory of 2812 2536 vnc.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe"C:\Users\Admin\AppData\Local\Temp\a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.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:2148 -
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:2536 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2812 -
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
PID:1280 -
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:324 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:776
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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:1916 -
C:\Users\Admin\AppData\Local\Temp\a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe"C:\Users\Admin\AppData\Local\Temp\a888dcb3da5dd6fbdc2d51187975ec62696938d9a2e84f0b927e5840a522cc0b.exe"2⤵
- System Location Discovery: System Language Discovery
PID:804 -
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 {B13935D9-44A2-456A-AC81-AD649669555C} S-1-5-21-3502430532-24693940-2469786940-1000:PSBQWFYT\Admin:Interactive:[1]1⤵PID:956
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:1716
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:3064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2024
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2212
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2228
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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:948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
211B
MD5713b62d002873f91fa1b5a5cbe856950
SHA1e871f73b0b0058075237684ccf826624db40314e
SHA2561e65adb751f79ea09539784f17186cc4199eb2196531831fc64fad9fb2dcd37e
SHA5124e0d618fad1697f71b95fbd6a7123a3912651d728d8912e2867f4ab02b40fb5a30fb1adcba7ab3e176fbd526ce012f58f8eb6158fbad07f5454fb54ddef6f8c4
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Filesize
2.0MB
MD5f2a380f85ac50c071060959c30e1edcc
SHA14f43836feafc6481def2da50d8a2537c20d86d40
SHA256bd415f542d42f2e24d88ec750cd49dbd96a45a49895a6f6b86fd5d548b08fc99
SHA512d79cfad9969ce73c23d1d92131b134018f6ee9e7943c64e8dc9efa482d6afb466e3a5e55582013833fb5d1a358ccf3aa27034603243427f3c6cc7f00bf3a192f
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb