Analysis
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max time kernel
3s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-09-2024 06:42
Behavioral task
behavioral1
Sample
a4ebf39cba4ff9fe727f9e0f6b965620N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a4ebf39cba4ff9fe727f9e0f6b965620N.exe
Resource
win10v2004-20240802-en
General
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Target
a4ebf39cba4ff9fe727f9e0f6b965620N.exe
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Size
2.0MB
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MD5
a4ebf39cba4ff9fe727f9e0f6b965620
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SHA1
595e28bbb4071eaa622ca79c3f54d320a823a17a
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SHA256
6aa9609343f8ab04adcd92c3b6a9b9b3520283fce9342a2e1a239569dcdc571d
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SHA512
3f20bbece7fa8f4474c3eb696ecde6d371efd7a4fe77b23a42ff03fa848fe633b33afd518087b0c04815a317950d585cf917f3de6a045c95bec58589657bbd5f
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO: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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Quasar payload 4 IoCs
resource yara_rule behavioral1/files/0x0009000000018afc-17.dat family_quasar behavioral1/memory/1596-54-0x0000000001160000-0x00000000011BE000-memory.dmp family_quasar behavioral1/memory/2876-64-0x0000000001000000-0x000000000105E000-memory.dmp family_quasar behavioral1/files/0x0006000000018b4d-66.dat family_quasar -
Executes dropped EXE 2 IoCs
pid Process 1716 vnc.exe 1596 windef.exe -
Loads dropped DLL 8 IoCs
pid Process 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.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) \??\i: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\o: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\v: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\y: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\z: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\a: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\e: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\l: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\t: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\x: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\w: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\b: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\g: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\k: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\m: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\p: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\r: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\h: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\j: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\n: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\q: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\s: a4ebf39cba4ff9fe727f9e0f6b965620N.exe File opened (read-only) \??\u: a4ebf39cba4ff9fe727f9e0f6b965620N.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 9 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0006000000018b4d-66.dat autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1804 set thread context of 2732 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 33 PID 1716 set thread context of 2632 1716 vnc.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 1952 2876 WerFault.exe 41 -
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 a4ebf39cba4ff9fe727f9e0f6b965620N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4ebf39cba4ff9fe727f9e0f6b965620N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 696 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 696 PING.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 1656 schtasks.exe 2704 schtasks.exe 1376 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1716 vnc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 1804 wrote to memory of 1716 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 30 PID 1804 wrote to memory of 1716 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 30 PID 1804 wrote to memory of 1716 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 30 PID 1804 wrote to memory of 1716 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 30 PID 1804 wrote to memory of 1596 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 31 PID 1804 wrote to memory of 1596 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 31 PID 1804 wrote to memory of 1596 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 31 PID 1804 wrote to memory of 1596 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 31 PID 1716 wrote to memory of 2632 1716 vnc.exe 32 PID 1716 wrote to memory of 2632 1716 vnc.exe 32 PID 1716 wrote to memory of 2632 1716 vnc.exe 32 PID 1716 wrote to memory of 2632 1716 vnc.exe 32 PID 1804 wrote to memory of 2732 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 33 PID 1804 wrote to memory of 2732 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 33 PID 1804 wrote to memory of 2732 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 33 PID 1804 wrote to memory of 2732 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 33 PID 1804 wrote to memory of 2732 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 33 PID 1804 wrote to memory of 2732 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 33 PID 1716 wrote to memory of 2632 1716 vnc.exe 32 PID 1804 wrote to memory of 2704 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 34 PID 1804 wrote to memory of 2704 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 34 PID 1804 wrote to memory of 2704 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 34 PID 1804 wrote to memory of 2704 1804 a4ebf39cba4ff9fe727f9e0f6b965620N.exe 34 PID 1716 wrote to memory of 2632 1716 vnc.exe 32 PID 1716 wrote to memory of 2632 1716 vnc.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.exe"C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.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:1804 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2632
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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
PID:1596 -
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:1376
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:2876
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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:1656
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\Yv8VOHs33tFS.bat" "4⤵PID:1772
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:1940
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:696
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:1036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 15324⤵
- Program crash
PID:1952
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C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.exe"C:\Users\Admin\AppData\Local\Temp\a4ebf39cba4ff9fe727f9e0f6b965620N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2732
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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:2704
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C:\Windows\system32\taskeng.exetaskeng.exe {58DAE576-879E-47E3-9D14-2E0B0583B248} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]1⤵PID:1736
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2864
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2380
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:1592
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:1340
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
208B
MD514cf280bb67bca9b4f725281ba7e375f
SHA15a0b75e7ef6760a8a86f8c5ed321de77748a1b19
SHA2561a9044894a5fa7533d453899e285812e93a704b76786c2fcce0fcf23f531cefc
SHA5125382417377b7d49e0bf4a36b800cc4e05bfe1c7bf06e52c71b0f6a2404d4c1216251832f39d3e2428e04f67b79c547c068300ff9e5ce528b96610a29bc7d4864
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Filesize
2.0MB
MD528d4d0d65ddecc9c4c6ff7831b7bb87d
SHA158f24f52bdc233ba1c9bfaaf4628850a190c46bb
SHA256a1c736c5b70688038c59244e807a3b10c97eefdc3d918aec9efaa8dc3b5d3497
SHA51230110e830a7d7bb58871b4c4cd67a3f1f2bcfae13561b0ee68364d1451ca3aa812f03ddd050189855b05ea62cc0713be44014086cc350bb87a4f4d926e075d05
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb