Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-08-2024 09:06
Static task
static1
Behavioral task
behavioral1
Sample
b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe
Resource
win7-20240729-en
General
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Target
b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe
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Size
645KB
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MD5
b1a657baf07b17aa26de1f237a50c0c9
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SHA1
5e1948f2548c35614d6e48e338f8c6ac32a3ac4d
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SHA256
b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4
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SHA512
81af20b6c15a6ca484e017f99e0046c7c7603945797b9ca8a746e03a90023d8bdf7190eb83a4d901043ddd251d13c93700a91cfa33693acc114000a076e0acdf
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SSDEEP
12288:Wo2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8y+4QfpGHNu469Us:Wo2H2HESq2eWJ6MQjySjy+EI4Hs
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1320-2-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1320-3-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1320-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4536-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4536-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4536-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2144-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4536-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2144-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2144-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2144-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/1320-2-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1320-3-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1320-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4536-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4536-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4536-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2144-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4536-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2144-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2144-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2144-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
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 2 IoCs
pid Process 4536 TXPlatforn.exe 2144 TXPlatforn.exe -
resource yara_rule behavioral2/memory/1320-2-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1320-3-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1320-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1320-0-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4536-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4536-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4536-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4536-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2144-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4536-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2144-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2144-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2144-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 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 b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.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 1180 cmd.exe 4332 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4332 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2144 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1320 b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe Token: SeLoadDriverPrivilege 2144 TXPlatforn.exe Token: 33 2144 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2144 TXPlatforn.exe Token: 33 2144 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2144 TXPlatforn.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1320 wrote to memory of 1180 1320 b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe 85 PID 1320 wrote to memory of 1180 1320 b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe 85 PID 1320 wrote to memory of 1180 1320 b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe 85 PID 4536 wrote to memory of 2144 4536 TXPlatforn.exe 86 PID 4536 wrote to memory of 2144 4536 TXPlatforn.exe 86 PID 4536 wrote to memory of 2144 4536 TXPlatforn.exe 86 PID 1180 wrote to memory of 4332 1180 cmd.exe 88 PID 1180 wrote to memory of 4332 1180 cmd.exe 88 PID 1180 wrote to memory of 4332 1180 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe"C:\Users\Admin\AppData\Local\Temp\b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320 -
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\B90592~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4332
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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:4536 -
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:2144
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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
645KB
MD5b1a657baf07b17aa26de1f237a50c0c9
SHA15e1948f2548c35614d6e48e338f8c6ac32a3ac4d
SHA256b905925ca021166f6a490a3b825996c929a9b81a30e53a70035ca14f2cf2a7e4
SHA51281af20b6c15a6ca484e017f99e0046c7c7603945797b9ca8a746e03a90023d8bdf7190eb83a4d901043ddd251d13c93700a91cfa33693acc114000a076e0acdf