Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
25-06-2024 18:19
Static task
static1
Behavioral task
behavioral1
Sample
a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
Resource
win7-20240221-en
General
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Target
a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
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Size
2.1MB
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MD5
97c2f5ddfcd75fc6d0373405618256c7
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SHA1
a378f415ab92c3b56b696a2b3a34eb8caea06fbf
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SHA256
a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b
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SHA512
3842dec029ddcd45d45994fa0d4235598bf0bfb63172b654b64612418523bbec6641d343122ca3aecbc44dc4e59fdf3e8a0771bbc13ad02b6caf6f3691f8a375
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SSDEEP
49152:fQZAdVyVT9n/Gg0P+Who40L1RjvQoIUwiz:YGdVyVT9nOgmhB0ZRjYi
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2372-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2372-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2372-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1688-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1860-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1860-42-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1860-45-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1688-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1860-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1688-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1688-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 12 IoCs
resource yara_rule behavioral2/memory/2372-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2372-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2372-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1688-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/files/0x000700000002340c-36.dat family_gh0strat behavioral2/memory/1860-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1860-42-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1860-45-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1688-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1860-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1688-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1688-15-0x0000000010000000-0x00000000101B6000-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\\240600906.txt" svchos.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe -
Executes dropped EXE 7 IoCs
pid Process 2372 svchost.exe 1688 TXPlatforn.exe 1860 TXPlatforn.exe 492 svchos.exe 3972 HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 1624 HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 3236 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 4 IoCs
pid Process 492 svchos.exe 992 svchost.exe 1624 HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 3236 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
resource yara_rule behavioral2/memory/2372-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2372-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2372-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2372-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1688-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1688-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1860-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1860-42-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1860-45-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1688-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1860-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1688-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1688-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 6 IoCs
description ioc Process 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\240600906.txt svchos.exe File opened for modification C:\Windows\SysWOW64\ini.ini svchos.exe File created C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe File opened for modification C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe svchost.exe -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
pid Process 3488 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1860 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2372 svchost.exe Token: SeLoadDriverPrivilege 1860 TXPlatforn.exe Token: 33 1860 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1860 TXPlatforn.exe Token: 33 1860 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 1860 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2424 wrote to memory of 2372 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 80 PID 2424 wrote to memory of 2372 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 80 PID 2424 wrote to memory of 2372 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 80 PID 2372 wrote to memory of 4788 2372 svchost.exe 83 PID 2372 wrote to memory of 4788 2372 svchost.exe 83 PID 2372 wrote to memory of 4788 2372 svchost.exe 83 PID 1688 wrote to memory of 1860 1688 TXPlatforn.exe 82 PID 1688 wrote to memory of 1860 1688 TXPlatforn.exe 82 PID 1688 wrote to memory of 1860 1688 TXPlatforn.exe 82 PID 2424 wrote to memory of 492 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 84 PID 2424 wrote to memory of 492 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 84 PID 2424 wrote to memory of 492 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 84 PID 4788 wrote to memory of 3488 4788 cmd.exe 89 PID 4788 wrote to memory of 3488 4788 cmd.exe 89 PID 4788 wrote to memory of 3488 4788 cmd.exe 89 PID 2424 wrote to memory of 3972 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 87 PID 2424 wrote to memory of 3972 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 87 PID 2424 wrote to memory of 3972 2424 a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 87 PID 3972 wrote to memory of 1624 3972 HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 90 PID 3972 wrote to memory of 1624 3972 HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 90 PID 3972 wrote to memory of 1624 3972 HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe 90 PID 992 wrote to memory of 3236 992 svchost.exe 91 PID 992 wrote to memory of 3236 992 svchost.exe 91 PID 992 wrote to memory of 3236 992 svchost.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"C:\Users\Admin\AppData\Local\Temp\a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\\svchost.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372 -
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⤵
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:3488
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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
PID:492
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C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exeC:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Windows\Temp\{2B53CF4A-8C9F-4060-A4A9-3D23C4046642}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe"C:\Windows\Temp\{2B53CF4A-8C9F-4060-A4A9-3D23C4046642}\.cr\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe" -burn.filehandle.attached=540 -burn.filehandle.self=5483⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1624
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1688 -
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:1860
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵PID:1180
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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
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240600906.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3236
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5296ab41bd0c1ebaf6df4342b048cb9da
SHA1b731facd26f40aff2afe3373273674b44a3f43ba
SHA2563aacd468a9c8313257868679aad03762e4cb278aef3200ffea24e657dc770add
SHA512c3f7820a9c8f61d40e935bb47aef7364b4be0c71c7824a9d8171e66a8fe51a463301befa3bb97ffab113220e2cd760062ae7472204cbd867316705d551476f7e
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C:\Users\Admin\AppData\Local\Temp\HD_a40aaab40d4f91b9821e8f949fcc93a4a4515844dbbeb1f5b9d4c0d37fe5e23b.exe
Filesize632KB
MD56065c118c0500bbe46ef7d7e16765d9d
SHA1e6c8771c583f8b0cb0be72f01ea8f166bb979637
SHA25668ae62ac88f4974b09729f6b78cea6e1c478af8a93341a3b4e4b03fd723e828b
SHA512a5790e2e3232f851a896b3c835f9e9280b768c6444219b3f49a5f463c547b3d6d4e8321419d7250cb5da663739d6b7dea1b90e1c9c36435e36b903efdae33466
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Filesize
93KB
MD53b377ad877a942ec9f60ea285f7119a2
SHA160b23987b20d913982f723ab375eef50fafa6c70
SHA25662954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
50KB
MD510b74097db214695351f8f7e5b2994a3
SHA1289a46ca4b8315f61bf19f916350af900d0699aa
SHA256cca4a301e3ff07dd987e4c8ab45fc9cbfcc34af556b4e66dd2e1a642c6acd932
SHA51244d053093008b929f2b3fbdbc3ed0e6dc6e6004f9dbb35da780a97975d94aed1a4833ec410d1b67becc7cf53ad654b0cb5d3fbfaab78cfbc6119b9460dc2aca9
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
1KB
MD5d6bd210f227442b3362493d046cea233
SHA1ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA256335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
SHA512464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
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Filesize
191KB
MD5eab9caf4277829abdf6223ec1efa0edd
SHA174862ecf349a9bedd32699f2a7a4e00b4727543d
SHA256a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
SHA51245b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2