Analysis
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max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 16:38
Static task
static1
Behavioral task
behavioral1
Sample
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe
Resource
win7-20240419-en
General
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Target
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe
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Size
2.3MB
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MD5
62d3f94cdb3d405f3a119f4cbecf8fe9
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SHA1
1ccd3d6636e702e6af84a161a09180d3d8b70f06
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SHA256
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea
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SHA512
bb4dcc342020eb11090e66f4eeba7688caf822b9b2cb71d84748de9d734502ba8f65b1abb9c6a4592e22bf2267e19f35b10995784b26134760e649592ecf6edc
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SSDEEP
49152:009XJt4HIN2H2tFvduySeJDmn2ysz0YZZuO7:ZZJt4HINy2LkeJDmn2r0YZZu6
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/2260-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2260-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2100-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2260-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2100-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2688-33-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2688-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2688-55-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2688-58-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2688-71-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
Processes:
resource yara_rule behavioral1/memory/2260-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2260-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2100-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2260-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2100-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2688-33-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2688-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2688-55-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2688-58-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2688-71-0x0000000010000000-0x00000000101B6000-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 -
Executes dropped EXE 4 IoCs
Processes:
RVN.exeTXPlatforn.exeHD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exeTXPlatforn.exepid process 2260 RVN.exe 2100 TXPlatforn.exe 2672 HD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe 2688 TXPlatforn.exe -
Loads dropped DLL 3 IoCs
Processes:
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exeTXPlatforn.exepid process 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe 2100 TXPlatforn.exe 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe -
Processes:
resource yara_rule behavioral1/memory/2260-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2260-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2260-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2100-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2260-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2100-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2688-33-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2688-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2688-55-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2688-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2688-58-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2688-71-0x0000000010000000-0x00000000101B6000-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 4 IoCs
Processes:
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.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 1 IoCs
Processes:
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exepid process 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 2688 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
RVN.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 2260 RVN.exe Token: SeLoadDriverPrivilege 2688 TXPlatforn.exe Token: 33 2688 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2688 TXPlatforn.exe Token: 33 2688 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2688 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exepid process 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exeRVN.exeTXPlatforn.execmd.exedescription pid process target process PID 2188 wrote to memory of 2260 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe RVN.exe PID 2188 wrote to memory of 2260 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe RVN.exe PID 2188 wrote to memory of 2260 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe RVN.exe PID 2188 wrote to memory of 2260 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe RVN.exe PID 2188 wrote to memory of 2260 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe RVN.exe PID 2188 wrote to memory of 2260 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe RVN.exe PID 2188 wrote to memory of 2260 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe RVN.exe PID 2260 wrote to memory of 2980 2260 RVN.exe cmd.exe PID 2260 wrote to memory of 2980 2260 RVN.exe cmd.exe PID 2260 wrote to memory of 2980 2260 RVN.exe cmd.exe PID 2260 wrote to memory of 2980 2260 RVN.exe cmd.exe PID 2188 wrote to memory of 2672 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe HD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe PID 2188 wrote to memory of 2672 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe HD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe PID 2188 wrote to memory of 2672 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe HD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe PID 2188 wrote to memory of 2672 2188 b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe HD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe PID 2100 wrote to memory of 2688 2100 TXPlatforn.exe TXPlatforn.exe PID 2100 wrote to memory of 2688 2100 TXPlatforn.exe TXPlatforn.exe PID 2100 wrote to memory of 2688 2100 TXPlatforn.exe TXPlatforn.exe PID 2100 wrote to memory of 2688 2100 TXPlatforn.exe TXPlatforn.exe PID 2100 wrote to memory of 2688 2100 TXPlatforn.exe TXPlatforn.exe PID 2100 wrote to memory of 2688 2100 TXPlatforn.exe TXPlatforn.exe PID 2100 wrote to memory of 2688 2100 TXPlatforn.exe TXPlatforn.exe PID 2980 wrote to memory of 2536 2980 cmd.exe PING.EXE PID 2980 wrote to memory of 2536 2980 cmd.exe PING.EXE PID 2980 wrote to memory of 2536 2980 cmd.exe PING.EXE PID 2980 wrote to memory of 2536 2980 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe"C:\Users\Admin\AppData\Local\Temp\b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe"1⤵
- Loads dropped DLL
- 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_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exeC:\Users\Admin\AppData\Local\Temp\HD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- 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
1.5MB
MD58b3b647b31264b0f85db757d98b82092
SHA1fb8da25650fed9e163dc9282050806e6b2e617af
SHA2565ceafbe8802fa085ea8a5a55eb5275d8e1df0026bbf0d0411089bc29d6bad0e0
SHA51244906a9c5290faa0e1eb4d784fb437e392162d905bd9a695a38d381df515c6e7ebb9b70e8506ef0dd7444b1e731ac7f13216371401a86560eafa103dc55b0046
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\Users\Admin\AppData\Local\Temp\HD_b823dc277c8905572c0f891db283730b3f3793c8bd8b10f15abeef228e0aacea.exeFilesize
814KB
MD5f309b1b7d60bac715dd8c28a46c73495
SHA1dc058e9d3f3c4eb23fa42ae45c0108cb3336943d
SHA256b8d4d6ff04902cc8c9145a3a733c2f00386f30fc77051bd17cb1876a53404a5b
SHA512fb84b053b1bb87f2fb339c678f87849e3de53dda07772127d578e7e5a8a41e5e79a5ceec5c2fea522d046808fefe3af7b6879354bd0ca5f454bb07029891d240
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\Users\Admin\AppData\Local\Temp\RVN.exeFilesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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memory/2100-28-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2100-18-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2260-9-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2260-21-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2260-5-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2260-7-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2688-33-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2688-32-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2688-55-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2688-30-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2688-58-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2688-71-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB