Analysis
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max time kernel
4s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-02-2024 23:49
Behavioral task
behavioral1
Sample
f4a6261e73362aa79839724e5e5ac16c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f4a6261e73362aa79839724e5e5ac16c.exe
Resource
win10v2004-20240226-en
General
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Target
f4a6261e73362aa79839724e5e5ac16c.exe
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Size
2.0MB
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MD5
f4a6261e73362aa79839724e5e5ac16c
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SHA1
274257ebb7a5d42b4eced5fa2ab84225258dbc06
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SHA256
a47c47929456c062fbee77807051a224910b2218a9e0fe808dae74e5a955c9ef
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SHA512
d445560fd8276e8d0b45d6c86919a9f0eba1c62833ec432fe3e42b362a5a0113441287beb7e8182bd9d5d6ac0a2f8a7404bc1f168b43b49a98e04f7ee6eefa34
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz
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
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral2/memory/1128-29-0x0000000000D00000-0x0000000000D5E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar -
Detects Windows executables referencing non-Windows User-Agents 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\windef.exe INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/1128-29-0x0000000000D00000-0x0000000000D5E000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects executables containing common artifacts observed in infostealers 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\windef.exe INDICATOR_SUSPICIOUS_GENInfoStealer behavioral2/memory/1128-29-0x0000000000D00000-0x0000000000D5E000-memory.dmp INDICATOR_SUSPICIOUS_GENInfoStealer C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe INDICATOR_SUSPICIOUS_GENInfoStealer -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f4a6261e73362aa79839724e5e5ac16c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation f4a6261e73362aa79839724e5e5ac16c.exe -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 3500 vnc.exe 1128 windef.exe 1164 winsock.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
f4a6261e73362aa79839724e5e5ac16c.exedescription ioc process File opened (read-only) \??\g: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\h: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\u: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\q: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\w: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\i: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\j: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\n: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\o: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\p: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\r: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\z: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\a: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\k: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\l: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\s: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\t: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\v: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\x: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\y: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\b: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\e: f4a6261e73362aa79839724e5e5ac16c.exe File opened (read-only) \??\m: f4a6261e73362aa79839724e5e5ac16c.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 17 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:
f4a6261e73362aa79839724e5e5ac16c.exedescription pid process target process PID 4780 set thread context of 4232 4780 f4a6261e73362aa79839724e5e5ac16c.exe f4a6261e73362aa79839724e5e5ac16c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 680 3500 WerFault.exe vnc.exe 1244 1348 WerFault.exe vnc.exe 3524 1164 WerFault.exe winsock.exe -
Creates scheduled task(s) 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 612 schtasks.exe 2892 schtasks.exe 828 schtasks.exe 1468 schtasks.exe 3108 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
f4a6261e73362aa79839724e5e5ac16c.exepid process 4780 f4a6261e73362aa79839724e5e5ac16c.exe 4780 f4a6261e73362aa79839724e5e5ac16c.exe 4780 f4a6261e73362aa79839724e5e5ac16c.exe 4780 f4a6261e73362aa79839724e5e5ac16c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 1128 windef.exe Token: SeDebugPrivilege 1164 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 1164 winsock.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
f4a6261e73362aa79839724e5e5ac16c.exevnc.exewindef.exewinsock.exedescription pid process target process PID 4780 wrote to memory of 3500 4780 f4a6261e73362aa79839724e5e5ac16c.exe vnc.exe PID 4780 wrote to memory of 3500 4780 f4a6261e73362aa79839724e5e5ac16c.exe vnc.exe PID 4780 wrote to memory of 3500 4780 f4a6261e73362aa79839724e5e5ac16c.exe vnc.exe PID 3500 wrote to memory of 1768 3500 vnc.exe svchost.exe PID 3500 wrote to memory of 1768 3500 vnc.exe svchost.exe PID 3500 wrote to memory of 1768 3500 vnc.exe svchost.exe PID 4780 wrote to memory of 1128 4780 f4a6261e73362aa79839724e5e5ac16c.exe windef.exe PID 4780 wrote to memory of 1128 4780 f4a6261e73362aa79839724e5e5ac16c.exe windef.exe PID 4780 wrote to memory of 1128 4780 f4a6261e73362aa79839724e5e5ac16c.exe windef.exe PID 4780 wrote to memory of 4232 4780 f4a6261e73362aa79839724e5e5ac16c.exe f4a6261e73362aa79839724e5e5ac16c.exe PID 4780 wrote to memory of 4232 4780 f4a6261e73362aa79839724e5e5ac16c.exe f4a6261e73362aa79839724e5e5ac16c.exe PID 4780 wrote to memory of 4232 4780 f4a6261e73362aa79839724e5e5ac16c.exe f4a6261e73362aa79839724e5e5ac16c.exe PID 4780 wrote to memory of 4232 4780 f4a6261e73362aa79839724e5e5ac16c.exe f4a6261e73362aa79839724e5e5ac16c.exe PID 4780 wrote to memory of 4232 4780 f4a6261e73362aa79839724e5e5ac16c.exe f4a6261e73362aa79839724e5e5ac16c.exe PID 4780 wrote to memory of 1468 4780 f4a6261e73362aa79839724e5e5ac16c.exe schtasks.exe PID 4780 wrote to memory of 1468 4780 f4a6261e73362aa79839724e5e5ac16c.exe schtasks.exe PID 4780 wrote to memory of 1468 4780 f4a6261e73362aa79839724e5e5ac16c.exe schtasks.exe PID 1128 wrote to memory of 3108 1128 windef.exe schtasks.exe PID 1128 wrote to memory of 3108 1128 windef.exe schtasks.exe PID 1128 wrote to memory of 3108 1128 windef.exe schtasks.exe PID 1128 wrote to memory of 1164 1128 windef.exe winsock.exe PID 1128 wrote to memory of 1164 1128 windef.exe winsock.exe PID 1128 wrote to memory of 1164 1128 windef.exe winsock.exe PID 1164 wrote to memory of 612 1164 winsock.exe schtasks.exe PID 1164 wrote to memory of 612 1164 winsock.exe schtasks.exe PID 1164 wrote to memory of 612 1164 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f4a6261e73362aa79839724e5e5ac16c.exe"C:\Users\Admin\AppData\Local\Temp\f4a6261e73362aa79839724e5e5ac16c.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4780 -
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:3500 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 5523⤵
- Program crash
PID:680 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128 -
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:3108 -
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:1164 -
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:612 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7X8ByceNOLzJ.bat" "4⤵PID:4524
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:5100
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:3684 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:3288
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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 /f6⤵
- Creates scheduled task(s)
PID:828 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 22324⤵
- Program crash
PID:3524 -
C:\Users\Admin\AppData\Local\Temp\f4a6261e73362aa79839724e5e5ac16c.exe"C:\Users\Admin\AppData\Local\Temp\f4a6261e73362aa79839724e5e5ac16c.exe"2⤵PID:4232
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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:1468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3500 -ip 35001⤵PID:1020
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:5112
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:1348
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2016
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 5203⤵
- Program crash
PID:1244 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:3136
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:3968
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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:2892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1348 -ip 13481⤵PID:2520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1164 -ip 11641⤵PID:3760
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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:3908
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
MD590794554c091031680f21b17c0c02ff2
SHA1af71eb74a98825c6fb0c97f725041c3f7f47e2e1
SHA256c43e567e3c866614dababc422a38b38c21be19a3e83d3b49215217ecfcfd3153
SHA512d34931a3c3cec3465ea2ed7b37f14902713a8ad8ff75c3c003add469688b3968d78e2414a7c8d7ff21869359b2e5313482134239d534deda2d11a563f4edf259
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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
MD51463059790fd5f162076657599eef1c5
SHA14a6d7a287b1c49b48004533def162d28c84ef48e
SHA2561abd97bc5d539a6370936b0dac8f9f1dab818079938b1bd4ce0f1d8ed2877abe
SHA5122a2d66adb9ba7b57512dbaf64d3c4e6755ebbf1f9e50f845ed86467c67522b9867ae65aaf103a97d5ee085478b7bb17b1ba6139c0f2ac4f5a4288dff3b6e6bd1
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Filesize
2.0MB
MD5737847558dc916e43a7e9345d82dbbf8
SHA16ca77286c630b7310606d4dcb3034f35f0310ce6
SHA2563ec6a05c7deceae2601feebb11ed0bf40d8557940e21b7eaf396ba94196022d1
SHA512ac9f6c1056f432a38cf722e41d625fec01d1b33956e6464b334bffaa0e21cc815a8b1fc5e4f772486e9ffed7706383a73d06ff0c0a1f083ddab82b4516d7d56a