Analysis
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max time kernel
2s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
16-07-2024 08:52
Behavioral task
behavioral1
Sample
97989886e05b49d70b6ac4d2bc7a9700N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
97989886e05b49d70b6ac4d2bc7a9700N.exe
Resource
win10v2004-20240709-en
General
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Target
97989886e05b49d70b6ac4d2bc7a9700N.exe
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Size
2.0MB
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MD5
97989886e05b49d70b6ac4d2bc7a9700
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SHA1
b49bd6ccdde92a8a8093e49e7b43da003d7bb360
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SHA256
a94641533640630b9d2eb1a1db86d1da4d52c732adadfb34442b1ae1be7c5f0f
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SHA512
3f357718f7af0aa20b0cb6b6609e993ef32848192eed7fdc51f9141430fda39ae36db885841733cfb327e193953939847dd06e5d2dc15aa435b190ae91c0ff94
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYD:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9
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/0x0008000000017462-17.dat family_quasar behavioral1/memory/2996-46-0x0000000001090000-0x00000000010EE000-memory.dmp family_quasar behavioral1/memory/788-58-0x00000000008F0000-0x000000000094E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 1884 vnc.exe 2996 windef.exe 788 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2996 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) \??\a: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\b: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\i: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\m: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\n: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\o: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\p: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\q: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\t: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\y: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\z: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\e: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\g: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\j: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\s: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\k: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\l: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\r: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\x: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\h: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\u: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\v: 97989886e05b49d70b6ac4d2bc7a9700N.exe File opened (read-only) \??\w: 97989886e05b49d70b6ac4d2bc7a9700N.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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 348 set thread context of 1232 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 34 -
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 2404 1884 WerFault.exe 31 -
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 2908 schtasks.exe 1932 schtasks.exe 2036 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 348 97989886e05b49d70b6ac4d2bc7a9700N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2996 windef.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 348 wrote to memory of 1884 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 31 PID 348 wrote to memory of 1884 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 31 PID 348 wrote to memory of 1884 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 31 PID 348 wrote to memory of 1884 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 31 PID 1884 wrote to memory of 3000 1884 vnc.exe 32 PID 1884 wrote to memory of 3000 1884 vnc.exe 32 PID 1884 wrote to memory of 3000 1884 vnc.exe 32 PID 1884 wrote to memory of 3000 1884 vnc.exe 32 PID 1884 wrote to memory of 3000 1884 vnc.exe 32 PID 348 wrote to memory of 2996 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 33 PID 348 wrote to memory of 2996 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 33 PID 348 wrote to memory of 2996 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 33 PID 348 wrote to memory of 2996 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 33 PID 348 wrote to memory of 1232 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 34 PID 348 wrote to memory of 1232 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 34 PID 348 wrote to memory of 1232 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 34 PID 348 wrote to memory of 1232 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 34 PID 348 wrote to memory of 1232 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 34 PID 348 wrote to memory of 1232 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 34 PID 348 wrote to memory of 2908 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 35 PID 348 wrote to memory of 2908 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 35 PID 348 wrote to memory of 2908 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 35 PID 348 wrote to memory of 2908 348 97989886e05b49d70b6ac4d2bc7a9700N.exe 35 PID 1884 wrote to memory of 2404 1884 vnc.exe 37 PID 1884 wrote to memory of 2404 1884 vnc.exe 37 PID 1884 wrote to memory of 2404 1884 vnc.exe 37 PID 1884 wrote to memory of 2404 1884 vnc.exe 37 PID 2996 wrote to memory of 1932 2996 windef.exe 39 PID 2996 wrote to memory of 1932 2996 windef.exe 39 PID 2996 wrote to memory of 1932 2996 windef.exe 39 PID 2996 wrote to memory of 1932 2996 windef.exe 39 PID 2996 wrote to memory of 788 2996 windef.exe 41 PID 2996 wrote to memory of 788 2996 windef.exe 41 PID 2996 wrote to memory of 788 2996 windef.exe 41 PID 2996 wrote to memory of 788 2996 windef.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\97989886e05b49d70b6ac4d2bc7a9700N.exe"C:\Users\Admin\AppData\Local\Temp\97989886e05b49d70b6ac4d2bc7a9700N.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:348 -
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:1884 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:3000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2404
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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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996 -
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:1932
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵
- Executes dropped EXE
PID:788 -
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:2036
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C:\Users\Admin\AppData\Local\Temp\97989886e05b49d70b6ac4d2bc7a9700N.exe"C:\Users\Admin\AppData\Local\Temp\97989886e05b49d70b6ac4d2bc7a9700N.exe"2⤵PID:1232
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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:2908
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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