Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-09-2024 11:00
Static task
static1
Behavioral task
behavioral1
Sample
e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe
Resource
win7-20240903-en
Errors
General
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Target
e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe
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Size
4.0MB
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MD5
480447b97831b9bd007c647685b453b4
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SHA1
54878260ed2a9a34fa1f28fd9ca5b881f5821c1f
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SHA256
e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2
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SHA512
b76d6f616e1ef316eb4d49c2470a301e79987715c3fdb0f7a7aeaebc666193b798094a5ddede9698bf3793db32bc80b6972193ae0bf80bf06a0e6c872565adc7
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SSDEEP
98304:xUjXOEXfe1U+EKo2Dqb9goxEspdJipIddobqWQT:xmRLQubBxFU8d5W0
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2812-79-0x0000000010000000-0x00000000101B0000-memory.dmp purplefox_rootkit behavioral2/memory/2284-88-0x0000000010000000-0x00000000101B0000-memory.dmp purplefox_rootkit behavioral2/memory/2812-96-0x0000000000400000-0x0000000000591000-memory.dmp purplefox_rootkit behavioral2/memory/2284-99-0x0000000000400000-0x0000000000591000-memory.dmp purplefox_rootkit behavioral2/memory/3292-129-0x0000000000400000-0x0000000000591000-memory.dmp purplefox_rootkit behavioral2/memory/4936-196-0x0000000000400000-0x0000000000591000-memory.dmp purplefox_rootkit -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys conhost.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" conhost.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe.lnk e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe -
Executes dropped EXE 4 IoCs
pid Process 2812 conhost.exe 2284 conhost.exe 3292 conhost.exe 4936 conhost.exe -
Loads dropped DLL 1 IoCs
pid Process 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe -
resource yara_rule behavioral2/memory/4988-4-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-5-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-27-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-50-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-48-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-45-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-41-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-39-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-35-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-33-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-23-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-13-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-11-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-49-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-7-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-6-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-37-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-31-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-29-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-25-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-21-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-19-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-17-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-15-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/4988-9-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/files/0x000700000002343f-76.dat upx behavioral2/memory/2812-78-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/2284-87-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/2812-96-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/3292-100-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/2284-99-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/4988-117-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/3292-129-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/4936-196-0x0000000000400000-0x0000000000591000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\conhost.exe e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe File opened for modification C:\Windows\conhost.exe e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe File opened for modification C:\Windows\conhost.exe conhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language conhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language conhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language conhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language conhost.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 5076 cmd.exe 4476 PING.EXE -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "182" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4476 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3292 conhost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2812 conhost.exe Token: SeLoadDriverPrivilege 3292 conhost.exe Token: 33 3292 conhost.exe Token: SeIncBasePriorityPrivilege 3292 conhost.exe Token: SeShutdownPrivilege 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe 1980 LogonUI.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4988 wrote to memory of 2812 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe 82 PID 4988 wrote to memory of 2812 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe 82 PID 4988 wrote to memory of 2812 4988 e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe 82 PID 2812 wrote to memory of 5076 2812 conhost.exe 84 PID 2812 wrote to memory of 5076 2812 conhost.exe 84 PID 2812 wrote to memory of 5076 2812 conhost.exe 84 PID 2284 wrote to memory of 3292 2284 conhost.exe 86 PID 2284 wrote to memory of 3292 2284 conhost.exe 86 PID 2284 wrote to memory of 3292 2284 conhost.exe 86 PID 5076 wrote to memory of 4476 5076 cmd.exe 87 PID 5076 wrote to memory of 4476 5076 cmd.exe 87 PID 5076 wrote to memory of 4476 5076 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe"C:\Users\Admin\AppData\Local\Temp\e564c75f9ac9d88a8c51a5838002e3416ab920e016ad19c81c689a2962e08ad2.exe"1⤵
- Drops startup file
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\conhost.exeC:\Windows\conhost.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Windows\conhost.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:5076 -
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:4476
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C:\Windows\conhost.exeC:\Windows\conhost.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\conhost.exeC:\Windows\conhost.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:3292
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3993855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1980
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C:\Windows\conhost.exeC:\Windows\conhost.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4936
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
2.1MB
MD504869ada712c189caba4822be0e81ea5
SHA19c45486b30e6d3ccf0737c5766796baaf58232ab
SHA25623078015adb0cf53ebf632a895a1a224b3718174e6c2887e1bbb2d28be5e2b8b
SHA51216f98af15583c60da0cb947ea2230f759bfa27f86ef93ef5f7ffe2adcec6c5f115f52ffa74bae6cf8add94bb6a380fa276f391619256be7a45c53bb7421fdd9c
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Filesize
652KB
MD54f883e7d4d89a581845bc451d7f7a90c
SHA115dd39b9401b946330288a147437af3d9722bdf1
SHA2567c36b489a2fe329398415fd58a73c3b61f8127d4a4ebb002a64d604cfe2d7387
SHA51256e54e4e03f783fddad2b61ace38f7adfec5bcc0f591aeb9004c82eb674daaafc584037f057123789bafbfedc914d01a7d92af685b2239b232668a3ef2e1f61f