Analysis
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max time kernel
3s -
max time network
36s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
23-08-2024 16:30
Behavioral task
behavioral1
Sample
Adobe Download Manager.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Adobe Download Manager.exe
Resource
win10v2004-20240802-en
General
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Target
Adobe Download Manager.exe
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Size
2.0MB
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MD5
7648bec482b7a6bb22407308c882cf12
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SHA1
edb98d630998a2852de05c4c2b5d9a3400f52418
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SHA256
2c6ab1efe207f8a2f8528ce232dcd1e2ff0b0dd82c5b460f51457a7bf97f60d9
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SHA512
085a3101e44213b06c8347cd61eca834d2b28f2506ce62e4658c1840f375b4e5faeeb54af8c6213b2fba08426536e8bf464376bff1ba8aa4f63049af07647686
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYe:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4
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 3 IoCs
resource yara_rule behavioral1/files/0x0008000000016c83-26.dat family_quasar behavioral1/memory/2768-46-0x0000000001330000-0x000000000138E000-memory.dmp family_quasar behavioral1/memory/1980-60-0x0000000000B00000-0x0000000000B5E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 2396 vnc.exe 2768 windef.exe 1980 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe 2772 WerFault.exe 2772 WerFault.exe 2772 WerFault.exe 2772 WerFault.exe 2768 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) \??\z: Adobe Download Manager.exe File opened (read-only) \??\e: Adobe Download Manager.exe File opened (read-only) \??\o: Adobe Download Manager.exe File opened (read-only) \??\r: Adobe Download Manager.exe File opened (read-only) \??\x: Adobe Download Manager.exe File opened (read-only) \??\y: Adobe Download Manager.exe File opened (read-only) \??\j: Adobe Download Manager.exe File opened (read-only) \??\k: Adobe Download Manager.exe File opened (read-only) \??\q: Adobe Download Manager.exe File opened (read-only) \??\t: Adobe Download Manager.exe File opened (read-only) \??\l: Adobe Download Manager.exe File opened (read-only) \??\n: Adobe Download Manager.exe File opened (read-only) \??\i: Adobe Download Manager.exe File opened (read-only) \??\m: Adobe Download Manager.exe File opened (read-only) \??\p: Adobe Download Manager.exe File opened (read-only) \??\s: Adobe Download Manager.exe File opened (read-only) \??\a: Adobe Download Manager.exe File opened (read-only) \??\b: Adobe Download Manager.exe File opened (read-only) \??\g: Adobe Download Manager.exe File opened (read-only) \??\h: Adobe Download Manager.exe File opened (read-only) \??\u: Adobe Download Manager.exe File opened (read-only) \??\v: Adobe Download Manager.exe File opened (read-only) \??\w: Adobe Download Manager.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 8 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1872 set thread context of 2764 1872 Adobe Download Manager.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2772 2396 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 7 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 windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Adobe Download Manager.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 Adobe Download Manager.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2684 schtasks.exe 1740 schtasks.exe 580 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1872 Adobe Download Manager.exe 1872 Adobe Download Manager.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2396 vnc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2768 windef.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1872 wrote to memory of 2396 1872 Adobe Download Manager.exe 30 PID 1872 wrote to memory of 2396 1872 Adobe Download Manager.exe 30 PID 1872 wrote to memory of 2396 1872 Adobe Download Manager.exe 30 PID 1872 wrote to memory of 2396 1872 Adobe Download Manager.exe 30 PID 2396 wrote to memory of 2148 2396 vnc.exe 31 PID 2396 wrote to memory of 2148 2396 vnc.exe 31 PID 2396 wrote to memory of 2148 2396 vnc.exe 31 PID 2396 wrote to memory of 2148 2396 vnc.exe 31 PID 2396 wrote to memory of 2148 2396 vnc.exe 31 PID 1872 wrote to memory of 2768 1872 Adobe Download Manager.exe 32 PID 1872 wrote to memory of 2768 1872 Adobe Download Manager.exe 32 PID 1872 wrote to memory of 2768 1872 Adobe Download Manager.exe 32 PID 1872 wrote to memory of 2768 1872 Adobe Download Manager.exe 32 PID 1872 wrote to memory of 2764 1872 Adobe Download Manager.exe 33 PID 1872 wrote to memory of 2764 1872 Adobe Download Manager.exe 33 PID 1872 wrote to memory of 2764 1872 Adobe Download Manager.exe 33 PID 1872 wrote to memory of 2764 1872 Adobe Download Manager.exe 33 PID 1872 wrote to memory of 2764 1872 Adobe Download Manager.exe 33 PID 1872 wrote to memory of 2764 1872 Adobe Download Manager.exe 33 PID 1872 wrote to memory of 2684 1872 Adobe Download Manager.exe 34 PID 1872 wrote to memory of 2684 1872 Adobe Download Manager.exe 34 PID 1872 wrote to memory of 2684 1872 Adobe Download Manager.exe 34 PID 1872 wrote to memory of 2684 1872 Adobe Download Manager.exe 34 PID 2396 wrote to memory of 2772 2396 vnc.exe 36 PID 2396 wrote to memory of 2772 2396 vnc.exe 36 PID 2396 wrote to memory of 2772 2396 vnc.exe 36 PID 2396 wrote to memory of 2772 2396 vnc.exe 36 PID 2768 wrote to memory of 1740 2768 windef.exe 38 PID 2768 wrote to memory of 1740 2768 windef.exe 38 PID 2768 wrote to memory of 1740 2768 windef.exe 38 PID 2768 wrote to memory of 1740 2768 windef.exe 38 PID 2768 wrote to memory of 1980 2768 windef.exe 40 PID 2768 wrote to memory of 1980 2768 windef.exe 40 PID 2768 wrote to memory of 1980 2768 windef.exe 40 PID 2768 wrote to memory of 1980 2768 windef.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.exe"C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.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:1872 -
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 behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 1803⤵
- Loads dropped DLL
- Program crash
PID:2772
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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
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2768 -
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:1740
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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
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⤵
- Scheduled Task/Job: Scheduled Task
PID:580
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C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.exe"C:\Users\Admin\AppData\Local\Temp\Adobe Download Manager.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2764
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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:2684
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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