Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-05-2024 19:58
Static task
static1
Behavioral task
behavioral1
Sample
aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe
Resource
win7-20240220-en
General
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Target
aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe
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Size
1.6MB
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MD5
450590271443ac74c94e0478707d6f2a
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SHA1
b08c0664276821ddd2b740c6bf0dbd194cb37301
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SHA256
aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9
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SHA512
6f257138d6eaa9c5c010b5bd36f9fc6b56d91681710e19790e3b90e363cf7bb1ea74c666855ea843b0c621b112a93f507abb1a726a3c2505ff7d8eb293e704c4
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SSDEEP
24576:l09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+m3hp:l09XJt4HIN2H2tFvduySWf
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/3584-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3584-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3584-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2124-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2124-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3652-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2124-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2124-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3652-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3652-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3652-56-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
Processes:
resource yara_rule behavioral2/memory/3584-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3584-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3584-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2124-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2124-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3652-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2124-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2124-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3652-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3652-46-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3652-56-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
Processes:
TXPlatforn.exedescription ioc process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
TXPlatforn.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe -
Executes dropped EXE 5 IoCs
Processes:
RVN.exeTXPlatforn.exeHD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exeTXPlatforn.exeHD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exepid process 3584 RVN.exe 2124 TXPlatforn.exe 4228 HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe 3652 TXPlatforn.exe 4868 HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe -
Processes:
resource yara_rule behavioral2/memory/3584-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3584-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3584-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3584-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2124-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2124-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2124-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3652-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2124-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2124-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3652-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3652-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3652-56-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
Processes:
RVN.exedescription ioc process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
Drops file in Program Files directory 5 IoCs
Processes:
aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
Processes:
HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exepid process 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 3652 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
RVN.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 3584 RVN.exe Token: SeLoadDriverPrivilege 3652 TXPlatforn.exe Token: 33 3652 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3652 TXPlatforn.exe Token: 33 3652 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3652 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exepid process 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exeRVN.exeTXPlatforn.execmd.exeHD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exedescription pid process target process PID 4936 wrote to memory of 3584 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe RVN.exe PID 4936 wrote to memory of 3584 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe RVN.exe PID 4936 wrote to memory of 3584 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe RVN.exe PID 3584 wrote to memory of 4904 3584 RVN.exe cmd.exe PID 3584 wrote to memory of 4904 3584 RVN.exe cmd.exe PID 3584 wrote to memory of 4904 3584 RVN.exe cmd.exe PID 4936 wrote to memory of 4228 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe PID 4936 wrote to memory of 4228 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe PID 4936 wrote to memory of 4228 4936 aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe PID 2124 wrote to memory of 3652 2124 TXPlatforn.exe TXPlatforn.exe PID 2124 wrote to memory of 3652 2124 TXPlatforn.exe TXPlatforn.exe PID 2124 wrote to memory of 3652 2124 TXPlatforn.exe TXPlatforn.exe PID 4904 wrote to memory of 3400 4904 cmd.exe PING.EXE PID 4904 wrote to memory of 3400 4904 cmd.exe PING.EXE PID 4904 wrote to memory of 3400 4904 cmd.exe PING.EXE PID 4228 wrote to memory of 4868 4228 HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe PID 4228 wrote to memory of 4868 4228 HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe PID 4228 wrote to memory of 4868 4228 HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe"C:\Users\Admin\AppData\Local\Temp\aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exeC:\Users\Admin\AppData\Local\Temp\HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe"C:\Users\Admin\AppData\Local\Temp\HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exe" /rpsvc3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
1.3MB
MD50a3d6dd2012f69d73f54efae7435bb26
SHA10047c26fd0e361c63afda409cf16080dc5f1f4be
SHA256a3d26cc9f1ef31e2a93feee819d919794e6d797d5ef2d964d27707d619fe76c9
SHA5124c4b6bb587aff9fe29f6a9916a4bcb55e3f493680be5aed67f3c6b44768b9db1cb802354e3138bbdfebc6474c0bd467f06e45fbe3011e989c89c1258f4fd9a8c
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C:\Users\Admin\AppData\Local\Temp\HD_aa09e8764a2ebdaacc4f097583877b2e07c1b5c6464d555ef856e3aa462258f9.exeFilesize
314KB
MD53d2c2057122fa938166f83a0c20026db
SHA15099ae8dd2836d05eb5aa371ce9ce646e206ef46
SHA256586f6acb606e251d61836c057da90d7ec55fa689f87739ba02e44aa320e3fbcf
SHA512d3614b9a5e18aedcd2c93c18e3a1d0c257fe11045b9056b692c2b6a92bd4c71f2f054d2f6bb15b4585db96568f5895d491ccb269513b06d1afab1c915c57ef92
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C:\Users\Admin\AppData\Local\Temp\RVN.exeFilesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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memory/2124-29-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2124-13-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2124-16-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2124-20-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2124-15-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3584-6-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3584-10-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3584-7-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3584-5-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3652-28-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3652-30-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3652-46-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3652-56-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB