Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-01-2025 12:39
Static task
static1
Behavioral task
behavioral1
Sample
c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe
Resource
win7-20240903-en
General
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Target
c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe
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Size
1.0MB
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MD5
137cc433ba5914e9aade5f77555aaa62
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SHA1
d91391a07af1be526d7c079bd36e1832516d0c66
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SHA256
c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669
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SHA512
466ac59da8842f06f79fc155c64ebb466849638fa4fcde99dde4a1a743bc6f8ba2c9224d4ac3eb2b39fcc713d9119ed302e3b3caaaf0dc80f8ff52f1ec1e4ade
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SSDEEP
24576:7i2Tro2H2HESq2eWJ6MQjySjykUcAMwv84+wGYFOF5RmBdc/bAmj:7xTc2H2tFvduySV9AMwv8uGYFczfTA
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4892-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4892-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4892-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4032-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4032-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4032-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2524-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4032-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2524-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2524-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2524-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4892-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4892-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4892-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4032-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4032-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4032-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2524-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4032-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2524-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2524-35-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2524-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.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 4 IoCs
pid Process 4892 RVN.exe 460 HD_c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 4032 TXPlatforn.exe 2524 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral2/files/0x0007000000023c96-8.dat upx behavioral2/memory/460-9-0x0000000000400000-0x000000000048A000-memory.dmp upx behavioral2/memory/4892-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4892-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4892-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4892-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4032-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/460-25-0x0000000000400000-0x000000000048A000-memory.dmp upx behavioral2/memory/4032-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4032-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2524-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4032-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4032-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2524-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2524-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2524-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 6 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 RVN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HD_c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.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 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2224 PING.EXE 2120 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2224 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2524 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4892 RVN.exe Token: SeLoadDriverPrivilege 2524 TXPlatforn.exe Token: 33 2524 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2524 TXPlatforn.exe Token: 33 2524 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2524 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1520 wrote to memory of 4892 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 83 PID 1520 wrote to memory of 4892 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 83 PID 1520 wrote to memory of 4892 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 83 PID 1520 wrote to memory of 460 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 84 PID 1520 wrote to memory of 460 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 84 PID 1520 wrote to memory of 460 1520 c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe 84 PID 4892 wrote to memory of 2120 4892 RVN.exe 87 PID 4892 wrote to memory of 2120 4892 RVN.exe 87 PID 4892 wrote to memory of 2120 4892 RVN.exe 87 PID 4032 wrote to memory of 2524 4032 TXPlatforn.exe 88 PID 4032 wrote to memory of 2524 4032 TXPlatforn.exe 88 PID 4032 wrote to memory of 2524 4032 TXPlatforn.exe 88 PID 2120 wrote to memory of 2224 2120 cmd.exe 90 PID 2120 wrote to memory of 2224 2120 cmd.exe 90 PID 2120 wrote to memory of 2224 2120 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe"C:\Users\Admin\AppData\Local\Temp\c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892 -
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⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2120 -
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:2224
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C:\Users\Admin\AppData\Local\Temp\HD_c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exeC:\Users\Admin\AppData\Local\Temp\HD_c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:460
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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:4032 -
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:2524
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
572KB
MD5456b0f63f1a86540c2fed5fe5bcd6b42
SHA145b7b91abce340b0d99b9951d76bb8b58eaa4bd7
SHA256b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c
SHA512f4efde1eaae9ec7792ce7c8cc38e66aa484983eb54332f4994e6c07c8fd926095117b72b391973d8757ee2f8015519f66ba1fa4cfc4acbc1b0fddf73b626654c
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C:\Users\Admin\AppData\Local\Temp\HD_c0338250055a0a2d4fc6bdf2272eaf6608bc918acb7135cd0396b3b220850669.exe
Filesize452KB
MD5fe1a0fc62bbfa2815feac08860ad8398
SHA13058ac47a66f25d1275b81581fcb25cb86a68fe3
SHA256c7ef2a6af70346ab01c630aa86b336936a97d9332ba7f1cecb1a4d12642f703b
SHA512bc36c09c0f362ac20cfd4a2a618d25eb40a6bb97d4f29a597c604bfd08bc419c1a0fd2c684b0bd200526f7a00a5539c24df3026881b6e3417d5233962ba559b0
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4