Analysis
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max time kernel
3s -
max time network
39s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
10-09-2024 19:49
Behavioral task
behavioral1
Sample
923108c7a0fabd716e1c1507095993a0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
923108c7a0fabd716e1c1507095993a0N.exe
Resource
win10v2004-20240802-en
General
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Target
923108c7a0fabd716e1c1507095993a0N.exe
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Size
2.0MB
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MD5
923108c7a0fabd716e1c1507095993a0
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SHA1
bd8a2ba2dcaf96a8e1c2a883fd19fe8285873cec
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SHA256
2cfae6977de79cb639fe95fd5e325a7461f19f948686855a89328a917b106b9b
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SHA512
81d258ef721fccc57b0f61f6bd35c5286c99d7b43baa6f535dc478f1a7f4db39e485efcaa1c62c890f9e9f4a768b8ea0fc4f594625b6396754cbe863837f1033
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ
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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description flow ioc Process 13 api.ipify.org Process not Found Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 923108c7a0fabd716e1c1507095993a0N.exe 7 ip-api.com Process not Found -
Quasar payload 3 IoCs
resource yara_rule behavioral1/files/0x000700000001933b-26.dat family_quasar behavioral1/memory/2748-45-0x0000000000930000-0x000000000098E000-memory.dmp family_quasar behavioral1/memory/2384-59-0x00000000009D0000-0x0000000000A2E000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
pid Process 2448 vnc.exe 2748 windef.exe -
Loads dropped DLL 12 IoCs
pid Process 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe 1732 WerFault.exe 1732 WerFault.exe 1732 WerFault.exe 1732 WerFault.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) \??\a: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\l: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\q: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\r: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\s: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\w: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\e: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\g: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\i: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\j: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\t: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\u: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\x: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\b: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\m: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\n: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\p: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\y: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\z: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\h: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\k: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\o: 923108c7a0fabd716e1c1507095993a0N.exe File opened (read-only) \??\v: 923108c7a0fabd716e1c1507095993a0N.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 ip-api.com 13 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2324 set thread context of 2856 2324 923108c7a0fabd716e1c1507095993a0N.exe 32 -
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 1732 2448 WerFault.exe 29 -
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.
description ioc Process 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 923108c7a0fabd716e1c1507095993a0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 923108c7a0fabd716e1c1507095993a0N.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 1640 schtasks.exe 1196 schtasks.exe 2888 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2324 923108c7a0fabd716e1c1507095993a0N.exe 2324 923108c7a0fabd716e1c1507095993a0N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2748 windef.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2324 wrote to memory of 2448 2324 923108c7a0fabd716e1c1507095993a0N.exe 29 PID 2324 wrote to memory of 2448 2324 923108c7a0fabd716e1c1507095993a0N.exe 29 PID 2324 wrote to memory of 2448 2324 923108c7a0fabd716e1c1507095993a0N.exe 29 PID 2324 wrote to memory of 2448 2324 923108c7a0fabd716e1c1507095993a0N.exe 29 PID 2448 wrote to memory of 2452 2448 vnc.exe 30 PID 2448 wrote to memory of 2452 2448 vnc.exe 30 PID 2448 wrote to memory of 2452 2448 vnc.exe 30 PID 2448 wrote to memory of 2452 2448 vnc.exe 30 PID 2324 wrote to memory of 2748 2324 923108c7a0fabd716e1c1507095993a0N.exe 31 PID 2324 wrote to memory of 2748 2324 923108c7a0fabd716e1c1507095993a0N.exe 31 PID 2324 wrote to memory of 2748 2324 923108c7a0fabd716e1c1507095993a0N.exe 31 PID 2324 wrote to memory of 2748 2324 923108c7a0fabd716e1c1507095993a0N.exe 31 PID 2448 wrote to memory of 2452 2448 vnc.exe 30 PID 2324 wrote to memory of 2856 2324 923108c7a0fabd716e1c1507095993a0N.exe 32 PID 2324 wrote to memory of 2856 2324 923108c7a0fabd716e1c1507095993a0N.exe 32 PID 2324 wrote to memory of 2856 2324 923108c7a0fabd716e1c1507095993a0N.exe 32 PID 2324 wrote to memory of 2856 2324 923108c7a0fabd716e1c1507095993a0N.exe 32 PID 2324 wrote to memory of 2856 2324 923108c7a0fabd716e1c1507095993a0N.exe 32 PID 2324 wrote to memory of 2856 2324 923108c7a0fabd716e1c1507095993a0N.exe 32 PID 2324 wrote to memory of 1640 2324 923108c7a0fabd716e1c1507095993a0N.exe 33 PID 2324 wrote to memory of 1640 2324 923108c7a0fabd716e1c1507095993a0N.exe 33 PID 2324 wrote to memory of 1640 2324 923108c7a0fabd716e1c1507095993a0N.exe 33 PID 2324 wrote to memory of 1640 2324 923108c7a0fabd716e1c1507095993a0N.exe 33 PID 2448 wrote to memory of 1732 2448 vnc.exe 35 PID 2448 wrote to memory of 1732 2448 vnc.exe 35 PID 2448 wrote to memory of 1732 2448 vnc.exe 35 PID 2448 wrote to memory of 1732 2448 vnc.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\923108c7a0fabd716e1c1507095993a0N.exe"C:\Users\Admin\AppData\Local\Temp\923108c7a0fabd716e1c1507095993a0N.exe"1⤵
- Quasar RAT
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2324 -
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:2448 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:1732
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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
PID:2748 -
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:1196
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:2384
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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:2888
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C:\Users\Admin\AppData\Local\Temp\923108c7a0fabd716e1c1507095993a0N.exe"C:\Users\Admin\AppData\Local\Temp\923108c7a0fabd716e1c1507095993a0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2856
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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:1640
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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
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb