Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 23:41
Behavioral task
behavioral1
Sample
PDF.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
PDF.exe
Resource
win10v2004-20241007-en
General
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Target
PDF.exe
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Size
1.6MB
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MD5
f464d4d7c3a16d42be2501b9b069f592
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SHA1
d746cb858983edb93ecdb9b44d65d18c83d5257d
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SHA256
4ea3fd5832635ca12ad822ba1b441fe5e38ea5599d08822057d35248a029cefb
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SHA512
4685c52657f2a30f1ed973fa5f0a6c575a93d184980b4e539f41a9d38d481fe0aa0bd2a99140b9c72fb04982f6ad2b7d522045369c752df856856ccd3749899d
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SSDEEP
24576:MnsJ39LyjbJkQFMhmC+6GD99hloDX0XOf4mSAz+53SDjpLSZi:MnsHyjtk2MYC5GDrhloJfOAz+OpSs
Malware Config
Extracted
xred
xred.mooo.com
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payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download
https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1
http://xred.site50.net/syn/SUpdate.ini
https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download
https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1
http://xred.site50.net/syn/Synaptics.rar
https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download
https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1
http://xred.site50.net/syn/SSLLibrary.dll
Signatures
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Xred family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PLKQRZ.lnk ._cache_PDF.exe -
Executes dropped EXE 5 IoCs
pid Process 3016 ._cache_PDF.exe 2184 Synaptics.exe 2780 ._cache_Synaptics.exe 2060 JEUEVI.exe 1356 JEUEVI.exe -
Loads dropped DLL 6 IoCs
pid Process 1600 PDF.exe 1600 PDF.exe 1600 PDF.exe 2184 Synaptics.exe 2184 Synaptics.exe 3016 ._cache_PDF.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" PDF.exe Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\PLKQRZ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Windata\\JEUEVI.exe\"" ._cache_PDF.exe -
AutoIT Executable 19 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/2780-77-0x0000000000CF0000-0x0000000000EEE000-memory.dmp autoit_exe behavioral1/memory/3016-129-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-130-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-133-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-135-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-137-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/2060-141-0x0000000001290000-0x000000000148E000-memory.dmp autoit_exe behavioral1/memory/2060-142-0x0000000001290000-0x000000000148E000-memory.dmp autoit_exe behavioral1/memory/3016-143-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-147-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-175-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-177-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-179-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-181-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/1356-186-0x0000000001290000-0x000000000148E000-memory.dmp autoit_exe behavioral1/memory/3016-187-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-189-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-191-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe behavioral1/memory/3016-193-0x0000000000F70000-0x000000000116E000-memory.dmp autoit_exe -
resource yara_rule behavioral1/files/0x000a00000001202c-4.dat upx behavioral1/memory/3016-18-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/2780-42-0x0000000000CF0000-0x0000000000EEE000-memory.dmp upx behavioral1/memory/2780-77-0x0000000000CF0000-0x0000000000EEE000-memory.dmp upx behavioral1/memory/3016-129-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-130-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-133-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-135-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-137-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/2060-141-0x0000000001290000-0x000000000148E000-memory.dmp upx behavioral1/memory/2060-142-0x0000000001290000-0x000000000148E000-memory.dmp upx behavioral1/memory/3016-143-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-147-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-175-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-177-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-179-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-181-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/1356-184-0x0000000001290000-0x000000000148E000-memory.dmp upx behavioral1/memory/1356-186-0x0000000001290000-0x000000000148E000-memory.dmp upx behavioral1/memory/3016-187-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-189-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-191-0x0000000000F70000-0x000000000116E000-memory.dmp upx behavioral1/memory/3016-193-0x0000000000F70000-0x000000000116E000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 10 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 EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WSCript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JEUEVI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ._cache_PDF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ._cache_Synaptics.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Synaptics.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JEUEVI.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
NTFS ADS 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\winmgmts:\localhost\root\SecurityCenter2 ._cache_PDF.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2576 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2980 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe 3016 ._cache_PDF.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3016 ._cache_PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2980 EXCEL.EXE -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 1600 wrote to memory of 3016 1600 PDF.exe 30 PID 1600 wrote to memory of 3016 1600 PDF.exe 30 PID 1600 wrote to memory of 3016 1600 PDF.exe 30 PID 1600 wrote to memory of 3016 1600 PDF.exe 30 PID 1600 wrote to memory of 2184 1600 PDF.exe 31 PID 1600 wrote to memory of 2184 1600 PDF.exe 31 PID 1600 wrote to memory of 2184 1600 PDF.exe 31 PID 1600 wrote to memory of 2184 1600 PDF.exe 31 PID 2184 wrote to memory of 2780 2184 Synaptics.exe 32 PID 2184 wrote to memory of 2780 2184 Synaptics.exe 32 PID 2184 wrote to memory of 2780 2184 Synaptics.exe 32 PID 2184 wrote to memory of 2780 2184 Synaptics.exe 32 PID 3016 wrote to memory of 2964 3016 ._cache_PDF.exe 34 PID 3016 wrote to memory of 2964 3016 ._cache_PDF.exe 34 PID 3016 wrote to memory of 2964 3016 ._cache_PDF.exe 34 PID 3016 wrote to memory of 2964 3016 ._cache_PDF.exe 34 PID 3016 wrote to memory of 2692 3016 ._cache_PDF.exe 36 PID 3016 wrote to memory of 2692 3016 ._cache_PDF.exe 36 PID 3016 wrote to memory of 2692 3016 ._cache_PDF.exe 36 PID 3016 wrote to memory of 2692 3016 ._cache_PDF.exe 36 PID 2964 wrote to memory of 2576 2964 cmd.exe 37 PID 2964 wrote to memory of 2576 2964 cmd.exe 37 PID 2964 wrote to memory of 2576 2964 cmd.exe 37 PID 2964 wrote to memory of 2576 2964 cmd.exe 37 PID 2356 wrote to memory of 2060 2356 taskeng.exe 43 PID 2356 wrote to memory of 2060 2356 taskeng.exe 43 PID 2356 wrote to memory of 2060 2356 taskeng.exe 43 PID 2356 wrote to memory of 2060 2356 taskeng.exe 43 PID 2356 wrote to memory of 1356 2356 taskeng.exe 44 PID 2356 wrote to memory of 1356 2356 taskeng.exe 44 PID 2356 wrote to memory of 1356 2356 taskeng.exe 44 PID 2356 wrote to memory of 1356 2356 taskeng.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\PDF.exe"C:\Users\Admin\AppData\Local\Temp\PDF.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\._cache_PDF.exe"C:\Users\Admin\AppData\Local\Temp\._cache_PDF.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c schtasks /create /tn PLKQRZ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe /sc minute /mo 13⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn PLKQRZ.exe /tr C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe /sc minute /mo 14⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2576
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C:\Windows\SysWOW64\WSCript.exeWSCript C:\Users\Admin\AppData\Local\Temp\PLKQRZ.vbs3⤵
- System Location Discovery: System Language Discovery
PID:2692
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2780
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2980
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C:\Windows\system32\taskeng.exetaskeng.exe {BD121DC4-5B53-4A76-8CA8-C747EB17E801} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exeC:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2060
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C:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exeC:\Users\Admin\AppData\Roaming\Windata\JEUEVI.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1356
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD5f464d4d7c3a16d42be2501b9b069f592
SHA1d746cb858983edb93ecdb9b44d65d18c83d5257d
SHA2564ea3fd5832635ca12ad822ba1b441fe5e38ea5599d08822057d35248a029cefb
SHA5124685c52657f2a30f1ed973fa5f0a6c575a93d184980b4e539f41a9d38d481fe0aa0bd2a99140b9c72fb04982f6ad2b7d522045369c752df856856ccd3749899d
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Filesize
842B
MD5706b2a1027185f7c686601dd89fad82f
SHA1bb7d730e0f6f789454cd3bdc7c45b3463af3159d
SHA256e24ccdc4aa9414c2f2c95662317c0ebf39e4d844ef47c46d5f2b40f810d07dc6
SHA512414a0ef71523138cd55b5aa172b86eb46f9dd1fcdff6496b057191f40930146cdf5dda513e6234eb7e3e63b2dc38882468e60a892a3002139a4f69b4fb3405ea
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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Filesize
20KB
MD55298da449b8979301f5615e579c9e565
SHA18f5f9d589ea1721ea4f6f7502d62f5405b2eb354
SHA256be95ff84d53defab5fc6973f8d8dfcd45aa9880c9912dee876aa6ce51566404b
SHA51297a078176a736200af5e7e9b709940eea4b84408d11118d78d2b50629f1dae1d3a61126125aa481598446061db837cb8c543e0bde02fd5c6efba85dbcfa8714d
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Filesize
22KB
MD51ff4cdd3b5505aeac70b4b94eb86fa51
SHA1cb798c6c236af0dd8ada0892c148b794199aff41
SHA256f623154735e7a18dcd0900497e48bc3fc7c35cc49d2e338c4294cb54802735d5
SHA5124bbcd956e77c81d2eeb091e7fbea97685e2f4e1e3f2b28a193b8c7d8b3ca59880f1d242c8d836e17db5e2e919cd8135e2975bfb37934cebde99fefe7997c3257
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Filesize
26KB
MD584507fb80c2b07eb49d789901f793184
SHA1c0b376c516eafdd0eb6bb096d038c73964929edc
SHA25680ebb49ed7e545cd8fba00a8a1278164e00ef63a5f56b49c2464bd5192dd6361
SHA512f89a3ef706819728cb6de0d017ffb40bd522b6f883718d28120cc98b86746d74ade108349f3da64397f2760d51a118af9a9309be527b1fdddf20e367c20f3984
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Filesize
25KB
MD5a3856ee82e3970e704176334e6f93022
SHA160a21a7b777e3e61b245e5557839d30be337b41d
SHA2564ce463c3932f1a140b34a015700747e5fff11a7c86081d72f647d004936b4606
SHA512cabb1b7f789ca95dce14e8e34423577a645d4acb44fbf1800249ad10687cf79748b30c658b6bc8b79cb48f2ee33c8960ee86a9abba68e4b33b0c349a9414a960
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Filesize
165B
MD5ff09371174f7c701e75f357a187c06e8
SHA157f9a638fd652922d7eb23236c80055a91724503
SHA256e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8
SHA512e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882
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Filesize
924KB
MD5a5a8036e79f55c90cfe42b55df9db6bc
SHA1a2239f8990e86d77673c54f4548a04da10dbc2a8
SHA25615a513aa7ef12e73fc81b81b2b5455423bbef03524efef33047c1d48c5db624d
SHA51289f13d58094ce99fe229edd4f02210cddc590ba0aabc502034f04e3643d5bfc7ed7a1675a0db63be4a94f4bf447efbb2b5cfaffe35fa0b213e816c13828193be