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Analysis
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max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/01/2025, 12:35
Static task
static1
Behavioral task
behavioral1
Sample
25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe
Resource
win7-20240903-en
General
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Target
25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe
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Size
8.2MB
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MD5
e06e82769714f1de59d2473879d401ca
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SHA1
5a6f7d55e2e6b5197c5ab2f7c68beb662a8477a1
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SHA256
25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd
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SHA512
94b8ce96672f9ec117162e28b1e03eb44b8b26b9d6bb567ece3401bfa280e86a7c6d0bdee539230ba3477199b74804f257ccd7f1e857721c5871721205e6ed8a
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SSDEEP
98304:xcy2LktHk9hBt5UWcVbCTNZHsBou4qeieZEg0NqG04gN:6y2LktHohBt5UWclQHsuc3eZEg0N0
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2460-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2460-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2460-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2304-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2760-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2760-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2304-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2760-42-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral1/memory/2460-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2460-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2460-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2304-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2760-36-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2760-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2304-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2760-42-0x0000000010000000-0x00000000101B6000-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 2460 RVN.exe 2868 HD_25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 2304 TXPlatforn.exe 2760 TXPlatforn.exe -
Loads dropped DLL 4 IoCs
pid Process 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 2304 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral1/memory/2460-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2460-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2460-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2460-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2304-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2760-36-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2760-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2304-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2760-42-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 5 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 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2612 cmd.exe 2232 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2232 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2760 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2460 RVN.exe Token: SeLoadDriverPrivilege 2760 TXPlatforn.exe Token: 33 2760 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2760 TXPlatforn.exe Token: 33 2760 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2760 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2316 wrote to memory of 2460 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 30 PID 2316 wrote to memory of 2460 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 30 PID 2316 wrote to memory of 2460 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 30 PID 2316 wrote to memory of 2460 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 30 PID 2316 wrote to memory of 2460 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 30 PID 2316 wrote to memory of 2460 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 30 PID 2316 wrote to memory of 2460 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 30 PID 2316 wrote to memory of 2868 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 31 PID 2316 wrote to memory of 2868 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 31 PID 2316 wrote to memory of 2868 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 31 PID 2316 wrote to memory of 2868 2316 25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe 31 PID 2460 wrote to memory of 2612 2460 RVN.exe 34 PID 2460 wrote to memory of 2612 2460 RVN.exe 34 PID 2460 wrote to memory of 2612 2460 RVN.exe 34 PID 2460 wrote to memory of 2612 2460 RVN.exe 34 PID 2304 wrote to memory of 2760 2304 TXPlatforn.exe 36 PID 2304 wrote to memory of 2760 2304 TXPlatforn.exe 36 PID 2304 wrote to memory of 2760 2304 TXPlatforn.exe 36 PID 2304 wrote to memory of 2760 2304 TXPlatforn.exe 36 PID 2304 wrote to memory of 2760 2304 TXPlatforn.exe 36 PID 2304 wrote to memory of 2760 2304 TXPlatforn.exe 36 PID 2304 wrote to memory of 2760 2304 TXPlatforn.exe 36 PID 2612 wrote to memory of 2232 2612 cmd.exe 37 PID 2612 wrote to memory of 2232 2612 cmd.exe 37 PID 2612 wrote to memory of 2232 2612 cmd.exe 37 PID 2612 wrote to memory of 2232 2612 cmd.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe"C:\Users\Admin\AppData\Local\Temp\25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316 -
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:2460 -
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:2612 -
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:2232
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C:\Users\Admin\AppData\Local\Temp\HD_25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exeC:\Users\Admin\AppData\Local\Temp\HD_25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe2⤵
- Executes dropped EXE
PID:2868
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304 -
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:2760
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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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C:\Users\Admin\AppData\Local\Temp\HD_25eb07ad9b26e94e1125ba19b2187009e975a94b3bbc166fb98e55da2a64d4cd.exe
Filesize7.6MB
MD5cd78ffefaf8ed98b29a677b01021e3c0
SHA1f0cbb3f834b9443e30edc2f74fdcf561c0f94e8c
SHA256fa57bc73c4be3c83041f3ea9408944d81682d11bbb7b55d090f101a6077fc56a
SHA51271ca61e8bd3fb9b1720d419b195c2c76f74fe05e41e160316d436278a0df156e2fb9d00bcba320b93b5c96631cf09e1afc083509ae8b44c06fd7d551fc82d9ee
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Filesize
572KB
MD5c674fd588c94466586bbf83c4d069265
SHA1557c42418f05f80cf9c808bb71a0dc740cbe50b8
SHA256d466b49b23c79b098ea54dcfcafb87bf36650baa3135f8b1c34c30000003a6c6
SHA51212085c9d2d17b0a2ad8c1764da9ea9f7aebc7b9722a3267fa57c76c670b5f099f5039a80d72217ef4ad932a477d749ba50d044c76d25acf4dfe01e631f7dd660
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4