formbook | d1255a8e6e758462c32a5a4bccaf7886ba9f12c8a8a54c987a6192740d83dda7

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	UUKAL.exe

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/1456-7-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/1456-27-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\UFXHANNH1ZC = "C:\\Program Files (x86)\\I8p9l_rmx\\vdpadfhzl.exe"	wscript.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4188	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	FORMBOOK.exe

Executes dropped EXE 2 IoCs

pid	Process
2556	UUKAL.exe
816	AutoUpdate.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

persistence privilege_escalation

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\log\\AutoUpdate.exe"	UUKAL.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
17	icanhazip.com

AutoIT Executable 16 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2556-47-0x0000000000D30000-0x0000000000EF5000-memory.dmp	autoit_exe
behavioral2/memory/2556-58-0x0000000000D30000-0x0000000000EF5000-memory.dmp	autoit_exe
behavioral2/memory/816-67-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-68-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-70-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-73-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-95-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-97-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-103-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-105-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-107-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-109-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-111-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-113-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-115-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe
behavioral2/memory/816-117-0x0000000000FD0000-0x00000000010D5000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 432 set thread context of 1456	432	FORMBOOK.exe	86
PID 1456 set thread context of 3520	1456	svchost.exe	56
PID 2212 set thread context of 3520	2212	wscript.exe	56

UPX packed file 20 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0008000000023c89-13.dat	upx
behavioral2/memory/2556-23-0x0000000000D30000-0x0000000000EF5000-memory.dmp	upx
behavioral2/files/0x0008000000023c90-41.dat	upx
behavioral2/memory/2556-47-0x0000000000D30000-0x0000000000EF5000-memory.dmp	upx
behavioral2/memory/2556-58-0x0000000000D30000-0x0000000000EF5000-memory.dmp	upx
behavioral2/memory/816-56-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-67-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-68-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-70-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-73-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-95-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-97-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-103-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-105-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-107-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-109-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-111-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-113-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-115-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx
behavioral2/memory/816-117-0x0000000000FD0000-0x00000000010D5000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\I8p9l_rmx\vdpadfhzl.exe	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AutoUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UUKAL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HOSTNAME.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systeminfo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FORMBOOK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	UUKAL.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	UUKAL.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	UUKAL.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	UUKAL.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardManufacturer	UUKAL.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

pid	Process
2648	systeminfo.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	AutoUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	AutoUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 040000000100000010000000410352dc0ff7501b16f0028eba6f45c5030000000100000014000000dac9024f54d8f6df94935fb1732638ca6ad77c1368000000010000000800000000409120d035d9017e000000010000000800000000c001b39667d6017f000000010000000e000000300c060a2b0601040182370a03041d00000001000000100000004558d512eecb27464920897de7b66053140000000100000014000000c4a7b1a47b2c71fadbe14b9075ffc415608589100b000000010000001e000000440053005400200052006f006f00740020004300410020005800330000006200000001000000200000000687260331a72403d909f105e69bcf0d32e1bd2493ffc6d9206d11bcd6770739090000000100000042000000304006082b06010505070302060a2b0601040182370a030c060a2b0601040182370a030406082b0601050507030406082b0601050507030106082b060105050703080f00000001000000140000005bcaa1c2780f0bcb5a90770451d96f38963f012d20000000010000004e0300003082034a30820232a003020102021044afb080d6a327ba893039862ef8406b300d06092a864886f70d0101050500303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f74204341205833301e170d3030303933303231313231395a170d3231303933303134303131355a303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f7420434120583330820122300d06092a864886f70d01010105000382010f003082010a0282010100dfafe99750088357b4cc6265f69082ecc7d32c6b30ca5becd9c37dc740c118148be0e83376492ae33f214993ac4e0eaf3e48cb65eefcd3210f65d22ad9328f8ce5f777b0127bb595c089a3a9baed732e7a0c063283a27e8a1430cd11a0e12a38b9790a31fd50bd8065dfb7516383c8e28861ea4b6181ec526bb9a2e24b1a289f48a39e0cda098e3e172e1edd20df5bc62a8aab2ebd70adc50b1a25907472c57b6aab34d63089ffe568137b540bc8d6aeec5a9c921e3d64b38cc6dfbfc94170ec1672d526ec38553943d0fcfd185c40f197ebd59a9b8d1dbada25b9c6d8dfc115023aabda6ef13e2ef55c089c3cd68369e4109b192ab62957e3e53d9b9ff0025d0203010001a3423040300f0603551d130101ff040530030101ff300e0603551d0f0101ff040403020106301d0603551d0e04160414c4a7b1a47b2c71fadbe14b9075ffc41560858910300d06092a864886f70d01010505000382010100a31a2c9b17005ca91eee2866373abf83c73f4bc309a095205de3d95944d23e0d3ebd8a4ba0741fce10829c741a1d7e981addcb134bb32044e491e9ccfc7da5db6ae5fee6fde04eddb7003ab57049aff2e5eb02f1d1028b19cb943a5e48c4181e58195f1e025af00cf1b1ada9dc59868b6ee991f586cafab96633aa595bcee2a7167347cb2bcc99b03748cfe3564bf5cf0f0c723287c6f044bb53726d43f526489a5267b758abfe67767178db0da256141339243185a2a8025a3047e1dd5007bc02099000eb6463609b16bc88c912e6d27d918bf93d328d65b4e97cb15776eac5b62839bf15651cc8f677966a0a8d770bd8910b048e07db29b60aee9d82353510	AutoUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	AutoUpdate.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	AutoUpdate.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\winmgmts:\localhost\root\SecurityCenter2	UUKAL.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
1812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
432	FORMBOOK.exe
432	FORMBOOK.exe
432	FORMBOOK.exe
432	FORMBOOK.exe
1456	svchost.exe
1456	svchost.exe
1456	svchost.exe
1456	svchost.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2212	wscript.exe
2212	wscript.exe
2212	wscript.exe
2212	wscript.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe
2556	UUKAL.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1456	svchost.exe
1456	svchost.exe
1456	svchost.exe
2212	wscript.exe
2212	wscript.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	432	FORMBOOK.exe
Token: SeDebugPrivilege	1456	svchost.exe
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeDebugPrivilege	2212	wscript.exe
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
816	AutoUpdate.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 1812	432	FORMBOOK.exe	84
PID 432 wrote to memory of 1812	432	FORMBOOK.exe	84
PID 432 wrote to memory of 1812	432	FORMBOOK.exe	84
PID 432 wrote to memory of 1456	432	FORMBOOK.exe	86
PID 432 wrote to memory of 1456	432	FORMBOOK.exe	86
PID 432 wrote to memory of 1456	432	FORMBOOK.exe	86
PID 432 wrote to memory of 1456	432	FORMBOOK.exe	86
PID 432 wrote to memory of 1456	432	FORMBOOK.exe	86
PID 432 wrote to memory of 1456	432	FORMBOOK.exe	86
PID 432 wrote to memory of 2556	432	FORMBOOK.exe	87
PID 432 wrote to memory of 2556	432	FORMBOOK.exe	87
PID 432 wrote to memory of 2556	432	FORMBOOK.exe	87
PID 3520 wrote to memory of 2212	3520	Explorer.EXE	88
PID 3520 wrote to memory of 2212	3520	Explorer.EXE	88
PID 3520 wrote to memory of 2212	3520	Explorer.EXE	88
PID 2212 wrote to memory of 3392	2212	wscript.exe	94
PID 2212 wrote to memory of 3392	2212	wscript.exe	94
PID 2212 wrote to memory of 3392	2212	wscript.exe	94
PID 2556 wrote to memory of 2684	2556	UUKAL.exe	98
PID 2556 wrote to memory of 2684	2556	UUKAL.exe	98
PID 2556 wrote to memory of 2684	2556	UUKAL.exe	98
PID 2684 wrote to memory of 4188	2684	cmd.exe	100
PID 2684 wrote to memory of 4188	2684	cmd.exe	100
PID 2684 wrote to memory of 4188	2684	cmd.exe	100
PID 2556 wrote to memory of 4732	2556	UUKAL.exe	102
PID 2556 wrote to memory of 4732	2556	UUKAL.exe	102
PID 2556 wrote to memory of 4732	2556	UUKAL.exe	102
PID 2556 wrote to memory of 348	2556	UUKAL.exe	104
PID 2556 wrote to memory of 348	2556	UUKAL.exe	104
PID 2556 wrote to memory of 348	2556	UUKAL.exe	104
PID 348 wrote to memory of 2648	348	cmd.exe	106
PID 348 wrote to memory of 2648	348	cmd.exe	106
PID 348 wrote to memory of 2648	348	cmd.exe	106
PID 2556 wrote to memory of 816	2556	UUKAL.exe	115
PID 2556 wrote to memory of 816	2556	UUKAL.exe	115
PID 2556 wrote to memory of 816	2556	UUKAL.exe	115
PID 816 wrote to memory of 3940	816	AutoUpdate.exe	116
PID 816 wrote to memory of 3940	816	AutoUpdate.exe	116
PID 816 wrote to memory of 3940	816	AutoUpdate.exe	116
PID 3940 wrote to memory of 2964	3940	cmd.exe	118
PID 3940 wrote to memory of 2964	3940	cmd.exe	118
PID 3940 wrote to memory of 2964	3940	cmd.exe	118
PID 2212 wrote to memory of 1152	2212	wscript.exe	121
PID 2212 wrote to memory of 1152	2212	wscript.exe	121
PID 2212 wrote to memory of 1152	2212	wscript.exe	121

System policy modification 1 TTPs 5 IoCs

evasion

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	UUKAL.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\TaskbarNoNotification = "1"	UUKAL.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	UUKAL.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	UUKAL.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	wscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\FORMBOOK.exe
  "C:\Users\Admin\AppData\Local\Temp\FORMBOOK.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:432
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "NDODRC\NDODRC" /XML "C:\Users\Admin\AppData\Roaming\NDODRC\alllll.xml"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1812
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\System32\svchost.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1456
- - C:\Users\Admin\AppData\Local\Temp\UUKAL.exe
    "C:\Users\Admin\AppData\Local\Temp\UUKAL.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - NTFS ADS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2556
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c netsh firewall add allowedprogram program = STcONaURjstoJeQ(uMqeEfSfaGeNmho("yJmAEIBBXdvRXSFRGegUiJnA")) name = STcONaURjstoJeQ(uMqeEfSfaGeNmho("XQ0V1bwVGZ0FQZ==")) mode = ENABLE
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2684
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram program = STcONaURjstoJeQ(uMqeEfSfaGeNmho("yJmAEIBBXdvRXSFRGegUiJnA")) name = STcONaURjstoJeQ(uMqeEfSfaGeNmho("XQ0V1bwVGZ0FQZ==")) mode = ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:4188
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\log\pass.exe all
      4⤵
      System Location Discovery: System Language Discovery
      PID:4732
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /k systeminfo
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:348
    - - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo
        5⤵
        System Location Discovery: System Language Discovery
        Gathers system information
        
        PID:2648
  - - C:\Users\Admin\AppData\Roaming\log\AutoUpdate.exe
      C:\Users\Admin\AppData\Roaming\log\AutoUpdate.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Modifies system certificate store
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:816
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /k HOSTNAME
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3940
      - C:\Windows\SysWOW64\HOSTNAME.EXE
        
        HOSTNAME
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2964
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2212
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3392
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

System Information Discovery