Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23-04-2024 12:35
Static task
static1
Behavioral task
behavioral1
Sample
b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe
Resource
win7-20240220-en
General
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Target
b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe
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Size
1.9MB
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MD5
c5ab418d180e3caa84b3510ca8eefedf
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SHA1
eba00bff3292158e07c4df293361fd8fa3255846
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SHA256
b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8
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SHA512
02436b226bda19801f3873f7bd4d11e9744b405c95befb73f2ea2481f94822ed9d93d89c72f73fc0956c476d3667ac0f7c0995f1a97a4463fad59961ed6162ff
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SSDEEP
49152:FQZAdVyVT9n/Gg0P+WhoWpemZPItx2apeapelI:eGdVyVT9nOgmhYntUvlI
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/3400-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3400-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3400-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2320-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2320-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2320-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3740-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3740-45-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3740-48-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
Processes:
resource yara_rule behavioral2/memory/3400-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3400-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3400-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2320-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2320-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat C:\Windows\SysWOW64\240615375.txt family_gh0strat behavioral2/memory/2320-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3740-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3740-45-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3740-48-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the registry 2 TTPs 1 IoCs
Processes:
svchos.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ö÷¶¯·ÀÓù·þÎñÄ£¿é\Parameters\ServiceDll = "C:\\Windows\\system32\\240615375.txt" svchos.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 -
Executes dropped EXE 6 IoCs
Processes:
svchost.exeTXPlatforn.exesvchos.exeTXPlatforn.exeHD_b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exepid process 3400 svchost.exe 2320 TXPlatforn.exe 3432 svchos.exe 3740 TXPlatforn.exe 4188 HD_b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe 3996 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Loads dropped DLL 3 IoCs
Processes:
svchos.exesvchost.exeÖ÷¶¯·ÀÓù·þÎñÄ£¿é.exepid process 3432 svchos.exe 4884 svchost.exe 3996 Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe -
Processes:
resource yara_rule behavioral2/memory/3400-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2320-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3740-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3740-45-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3740-48-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
Processes:
svchost.exesvchos.exesvchost.exedescription 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\240615375.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
Processes:
b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.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
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exepid process 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 3740 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
svchost.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 3400 svchost.exe Token: SeLoadDriverPrivilege 3740 TXPlatforn.exe Token: 33 3740 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3740 TXPlatforn.exe Token: 33 3740 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3740 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exepid process 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exesvchost.exeTXPlatforn.execmd.exesvchost.exedescription pid process target process PID 2348 wrote to memory of 3400 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe svchost.exe PID 2348 wrote to memory of 3400 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe svchost.exe PID 2348 wrote to memory of 3400 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe svchost.exe PID 3400 wrote to memory of 2296 3400 svchost.exe cmd.exe PID 3400 wrote to memory of 2296 3400 svchost.exe cmd.exe PID 3400 wrote to memory of 2296 3400 svchost.exe cmd.exe PID 2348 wrote to memory of 3432 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe svchos.exe PID 2348 wrote to memory of 3432 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe svchos.exe PID 2348 wrote to memory of 3432 2348 b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe svchos.exe PID 2320 wrote to memory of 3740 2320 TXPlatforn.exe TXPlatforn.exe PID 2320 wrote to memory of 3740 2320 TXPlatforn.exe TXPlatforn.exe PID 2320 wrote to memory of 3740 2320 TXPlatforn.exe TXPlatforn.exe PID 2296 wrote to memory of 1396 2296 cmd.exe PING.EXE PID 2296 wrote to memory of 1396 2296 cmd.exe PING.EXE PID 2296 wrote to memory of 1396 2296 cmd.exe PING.EXE PID 4884 wrote to memory of 3996 4884 svchost.exe Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe PID 4884 wrote to memory of 3996 4884 svchost.exe Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe PID 4884 wrote to memory of 3996 4884 svchost.exe Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe"C:\Users\Admin\AppData\Local\Temp\b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.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\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
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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\svchost.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\svchos.exeC:\Users\Admin\AppData\Local\Temp\\svchos.exe2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
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C:\Users\Admin\AppData\Local\Temp\HD_b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exeC:\Users\Admin\AppData\Local\Temp\HD_b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exe2⤵
- 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
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"1⤵
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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
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C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeC:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240615375.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
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
1.2MB
MD59b85a576703b93b5e1c237479deb9923
SHA1327618dcc332fa7baf14a94f0e13ac1dfce40529
SHA2560a5747236db27e65ab3c7ff7c844b9100185d1daaa0c9b6c53dd8f04bd57cb14
SHA512461dcff838e6e4cb19ec75e7bdb4d52c4a280bcc6acc6f9602b34dcf64d36636bb49bb5717ad7b26c9c7097839dc25fdef2732ec8929dae09aab7bedade368e6
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C:\Users\Admin\AppData\Local\Temp\HD_b81d0c748dd25f1a129f311151d04133679172e072e2eda48d1b9bbb4a9d13f8.exeFilesize
645KB
MD500eae789b0aab1b0fbd23b830fbf1064
SHA1e4e5fd089f6ae17c83f073cf91edc9db8189980d
SHA2567addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7
SHA51223a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb
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C:\Users\Admin\AppData\Local\Temp\svchos.exeFilesize
93KB
MD53b377ad877a942ec9f60ea285f7119a2
SHA160b23987b20d913982f723ab375eef50fafa6c70
SHA25662954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
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C:\Users\Admin\AppData\Local\Temp\svchost.exeFilesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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C:\Windows\SysWOW64\240615375.txtFilesize
50KB
MD520b08f664ff760ab0bc06164c073259b
SHA15459015f3ed9de678cb99e70278b847cb3fc181e
SHA256ac5866bd4894512e4bdaa523a0f4c1d8c2ed09f82384fc6f6a83b634f60a8f69
SHA512a18d1f7ec8e817458c71584938fe977e1e73b462524a0bbf6a8a24c3b9fc682e9c15dea32197905680d865e90fcf9176a8b168457d850561ca29ea5be5e73b6b
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C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exeFilesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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memory/2320-25-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2320-13-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2320-16-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2320-17-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3400-8-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3400-7-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3400-6-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3400-4-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3740-40-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3740-45-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3740-48-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB