Analysis
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max time kernel
8s -
max time network
9s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-11-2024 08:55
Static task
static1
Behavioral task
behavioral1
Sample
fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
Resource
win7-20240903-en
Errors
General
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Target
fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
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Size
3.5MB
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MD5
b8fcc4747f67e9407353f3ea30ebf4f6
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SHA1
94e23d8ff1bf48d5aa5a92a8f72543e75c2a5b46
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SHA256
fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd
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SHA512
b0cc4cf7bf72bad1a0725f2ce38f7eb131f8523548f077ef7b8f030618ba4d3e3d98cc72cc7d0025771dd3a03f27167e1c2e771c04ac31961bf620acac5f6f0f
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SSDEEP
98304:PGdVyVT9nOgmhZ0XHUhl1iB2PokJog/2Q:sWT9nO7x1od
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3860-6-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3860-10-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3860-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3936-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3936-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1796-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3936-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1796-33-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1796-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1796-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 12 IoCs
resource yara_rule behavioral2/memory/3860-6-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3860-10-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3860-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3936-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3936-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/files/0x0007000000023c78-30.dat family_gh0strat behavioral2/memory/1796-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3936-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1796-33-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1796-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1796-38-0x0000000010000000-0x00000000101B6000-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 6 IoCs
pid Process 3860 svchost.exe 3936 TXPlatforn.exe 1796 TXPlatforn.exe 1060 svchos.exe 5040 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 3856 TXPlatforn.exe -
Loads dropped DLL 1 IoCs
pid Process 1060 svchos.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\physicaldrive0 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe svchost.exe File created C:\Windows\SysWOW64\240625609.txt svchos.exe -
resource yara_rule behavioral2/memory/3860-4-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3860-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3860-10-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3860-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3936-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3936-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3936-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1796-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3936-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1796-33-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1796-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1796-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2744 1060 WerFault.exe 89 -
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 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchos.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1948 cmd.exe 640 PING.EXE -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" 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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" 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\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "64" 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\ColorizationAfterglow = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 640 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1796 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3860 svchost.exe Token: SeLoadDriverPrivilege 1796 TXPlatforn.exe Token: SeShutdownPrivilege 5040 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 5040 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 5040 HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 2272 LogonUI.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1848 wrote to memory of 3860 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 83 PID 1848 wrote to memory of 3860 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 83 PID 1848 wrote to memory of 3860 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 83 PID 3860 wrote to memory of 1948 3860 svchost.exe 86 PID 3860 wrote to memory of 1948 3860 svchost.exe 86 PID 3860 wrote to memory of 1948 3860 svchost.exe 86 PID 3936 wrote to memory of 1796 3936 TXPlatforn.exe 87 PID 3936 wrote to memory of 1796 3936 TXPlatforn.exe 87 PID 3936 wrote to memory of 1796 3936 TXPlatforn.exe 87 PID 1848 wrote to memory of 1060 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 89 PID 1848 wrote to memory of 1060 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 89 PID 1848 wrote to memory of 1060 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 89 PID 1948 wrote to memory of 640 1948 cmd.exe 90 PID 1948 wrote to memory of 640 1948 cmd.exe 90 PID 1948 wrote to memory of 640 1948 cmd.exe 90 PID 1848 wrote to memory of 5040 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 96 PID 1848 wrote to memory of 5040 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 96 PID 1848 wrote to memory of 5040 1848 fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\\svchost.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3860 -
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\svchost.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1948 -
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:640
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C:\Users\Admin\AppData\Local\Temp\svchos.exeC:\Users\Admin\AppData\Local\Temp\\svchos.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:1060 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 4523⤵
- Program crash
PID:2744
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C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exeC:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5040
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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:3936 -
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:1796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1060 -ip 10601⤵PID:4080
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa3927855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2272
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
PID:3856
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD57823e8eb618e981b8c1965e169a2de5f
SHA1a0e6b32d7c70a670fa85de292c44edb12cf15071
SHA256efb35ec1e073aa02aa87ee6e5ec8730d5ecf75576ab86c3ebb858dce986b385a
SHA512127f8be7131e245bc469ad6f5be23242723b001bdedc271ee6573ba97841ef3687f835a390aef47b66c04a2053d5b9ddcd42df63418bdf54dd3f69ae72ff7b81
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C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
Filesize1.9MB
MD5a027b7050802b9d8b28449ace820e89d
SHA144f5f786f31473289ef61aacde95b347bcaf927d
SHA2567b1584a518f1ee692fb2fdb96634744b4b919eda1599594df93e6a7db33c6cde
SHA51240252ffd225203737ee819fdae3f84bc14c8bcfb79c7ea87660e98ff2821c27e262f75d9ac512fdd8db7952f9a857f649b1872d1b962b27bb417369f0121367c
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Filesize
93KB
MD53b377ad877a942ec9f60ea285f7119a2
SHA160b23987b20d913982f723ab375eef50fafa6c70
SHA25662954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
SHA512af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f
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Filesize
377KB
MD5a4329177954d4104005bce3020e5ef59
SHA123c29e295e2dbb8454012d619ca3f81e4c16e85a
SHA2566156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
SHA51281e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208
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Filesize
50KB
MD55fbcc30e98caae554c19834c3527daca
SHA165bb1f537221081dc46d4a97b9209022b5606d57
SHA2568120f837c356f090c9e25f9ed2753ad699416af715f22a52094fc52e8a9f0bc0
SHA51271caa719297311f48bb73a29630a60cf9e2815c3deacb969a67ca129cf59d5af61d5e0391526387697b40553174c8558d649e977d4c9bcddb6feb6a2ec15d25a