Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 10:26
Static task
static1
Behavioral task
behavioral1
Sample
b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe
Resource
win10v2004-20260513-en
General
- Target b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe
- Size 4.6MB
- Sample260802-mgj5aagf85
- SHA256 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915
- MD5 9daa89d75e33c3d28ce898ee1ced05b0
- SHA1 393f4a0289a4be91aaa4d59a3403a814f5ce1312
- SHA512 0fede870ac4cd6ec34dc9ca81bba55aad776170f5eee5b978c758936044115dd06579c64733241ba98eb0e73d2306eeeb601df578744f341cb7d816d5a3c2e26
- SSDEEP 98304:4GdVyVT9nOgmhsjKs3P5x2ybXsPN5kiQaZ56:fWT9nO7WGs3hxM5VP6
- TLSH T15F36F42166D5CFE1D06F1070DC667AFA812BAD20CF554FCB6E84BE1A35305D2A932A1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4668-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4668-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4668-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4872-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4872-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4872-14-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4872-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2672-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2672-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2672-33-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2672-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit - Gh0st RAT payload 12 IoCs
resource yara_rule behavioral2/memory/4668-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4668-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4668-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4872-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4872-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4872-14-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4872-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2672-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2672-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2672-33-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/files/0x001500000001c4a0-34.dat family_gh0strat behavioral2/memory/2672-36-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat - Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe - Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240732187.txt" svchos.exe - Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe - Executes dropped EXE 6 IoCs
pid Process 4668 svchost.exe 4872 TXPlatforn.exe 2672 TXPlatforn.exe 2372 svchos.exe 3944 HD_b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe 4044 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe - Loads dropped DLL 3 IoCs
pid Process 2372 svchos.exe 1664 svchost.exe 4044 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ini.ini svchos.exe File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File created C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File created C:\Windows\SysWOW64\240732187.txt svchos.exe -
resource yara_rule behavioral2/memory/4668-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4668-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4668-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4668-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4872-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4872-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4872-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4872-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2672-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2672-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4872-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2672-33-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2672-36-0x0000000010000000-0x00000000101B6000-memory.dmp upx - Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2448 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 9 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 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HD_b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2448 cmd.exe 4724 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 4724 PING.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5392 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe 5392 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2672 TXPlatforn.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4668 svchost.exe Token: SeLoadDriverPrivilege 2672 TXPlatforn.exe Token: 33 2672 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2672 TXPlatforn.exe Token: 33 2672 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2672 TXPlatforn.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5392 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe 5392 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 5392 wrote to memory of 4668 5392 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe 89 PID 4668 wrote to memory of 2448 4668 svchost.exe 92 PID 4872 wrote to memory of 2672 4872 TXPlatforn.exe 93 PID 5392 wrote to memory of 2372 5392 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe 94 PID 5392 wrote to memory of 3944 5392 b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe 98 PID 2448 wrote to memory of 4724 2448 cmd.exe 101 PID 1664 wrote to memory of 4044 1664 svchost.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe"C:\Users\Admin\AppData\Local\Temp\b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5392 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\\svchost.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668 -
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\svchost.exe > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4724
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C:\Users\Admin\AppData\Local\Temp\svchos.exeC:\Users\Admin\AppData\Local\Temp\\svchos.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2372
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C:\Users\Admin\AppData\Local\Temp\HD_b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exeC:\Users\Admin\AppData\Local\Temp\HD_b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3944
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4872 -
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
PID:2672
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:4052
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240732187.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4044
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k "╓≈╢»╖└╙∙╖■╬±─ú┐Θ"1⤵PID:5008
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
- Size 1.6MB
- SHA256 b960969c8854238fa15971c9aa7372939558316904032e1054d2a45ecd9a49fc
- MD5 bf943e3ae95c29dda28afd436eefc693
- SHA1 e3bf785b06db3dd3eda3b1fa495aaa1ba1f4ffb5
- SHA512 0e4399db58a7bba6e76e71d194ac4470fdff2c0a5d3d0842a422a41eac99e3f9c9913bf23d9bfdcb59a003ceafebb8232d113397338e1b713f9a28ef265902ef
- SSDEEP 24576:/QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVswpejKs3PNnx2qIyx:/QZAdVyVT9n/Gg0P+Who2pejKs3P5x2w
- TLSH T1B375D053B98280F1D60C143024AA373BDA766E758E25CBD79368FE0D3932691A83757F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\HD_b9f5b53469e37cd8e5d45a8d6500d31d2e15036c6c4d8ae3af6f33ea4f3c1915.exe
- Size 3.1MB
- SHA256 f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
- MD5 fb083acd60fe5c3156dc25442be815e3
- SHA1 61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
- SHA512 7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
- SSDEEP 49152:0bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLhp:0bXsPN5kiQaZ56
- TLSH T14BE5802126D4CFE1D46F20B0DD66BAF6512BAD24CF564FCB6D803E1A35305D2AA31A1F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
- Size 93KB
- SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
- MD5 3b377ad877a942ec9f60ea285f7119a2
- SHA1 60b23987b20d913982f723ab375eef50fafa6c70
- SHA512 af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
- SSDEEP 1536:ktbE7m8nNEQ2O6ReWMWfPbp2WTrW9L3JPPgJ+o5FJYHvh/P6:Bm+2LReWjTrW9rNPgYoTJYHvh
- TLSH T1B1934A41BE8CC869D05C81B03D7BA6B58422BC553900277B6F8AFB4FD976350EC2A5DE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
- Size 377KB
- SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
- MD5 a4329177954d4104005bce3020e5ef59
- SHA1 23c29e295e2dbb8454012d619ca3f81e4c16e85a
- SHA512 81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
- SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YgL7:HclcceBKlKwAg0Mja/UafOVwbhF
- TLSH T138841241FF520127C74AB0B5C9984E7F8E7A43888E550C3A7F795E4E1B603EE6923D19
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\240732187.txt
- Size 50KB
- SHA256 d68a107b5c2c4dfb1d53a670bb27fdb9ba44dbe8a80267b1223de8d70e1aac80
- MD5 662c482978a70a3af35b3fe42d21bfbf
- SHA1 a920648c2df075f0a7eae9f1729af9ce037bd894
- SHA512 2e20083a10121f9b362815dd5d14777ca1fe04f69b1b71d084b5484b3318042256b27d348d81c4fd49288e9b3d2cabde920408daa41b1624a0f7fcd26f7048e8
- SSDEEP 1536:WD1N4TeeWMWfPbp2WTrW9L3JPPgJ+o5VJYH:W5ReWjTrW9rNPgYoDJYH
- TLSH T11E333902DD8D88F5E141177039AA77B6953ABCE07A8526634F63DE69C87B330F42D286
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
- Size 51KB
- SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
- MD5 2e068ce2770fde8d1af4cb114b98df1f
- SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
- SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
- SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
- TLSH T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
- MD5 SHA1 SHA512 SSDEEP TLSH