cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5

Analysis

max time kernel
94s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 01:48

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General

Target

cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
Size

232KB
MD5

166772cdee46493833ac6a6df1bcf7e4
SHA1

edba91c6fc5474a373182c02173c67b0f508b4f6
SHA256

cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5
SHA512

623911f1b2975b3eaf35493e6ad9f29150e969480bf12878853a2daae2506e19bb536bcbd6e8b299577f0c25ca539cf0f4375e34eea110974b21060fb932022a
SSDEEP

3072:R1i/NU8bOMYcYYcmy51VRgiFCpCIXUWOLTsEsigcL3P6xxc1VOz1i/NU82OMYcYU:ji/NjO5xbg/CSUFLTwMjs6oi/N+O7

Score

8^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}\StubPath = "C:\\system.exe"	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/904-0-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/files/0x00070000000234ce-15.dat	upx
behavioral2/files/0x00070000000234cf-16.dat	upx
behavioral2/memory/904-17-0x0000000000400000-0x000000000043A000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\qx.bat	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
File created	C:\WINDOWS\SysWOW64\ie.bat	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 7 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3168	cmd.exe
5016	cmd.exe
1748	cmd.exe
1764	cmd.exe
3376	cmd.exe
4588	cmd.exe
4344	cmd.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\windows.exe	attrib.exe
File created	C:\WINDOWS\windows.exe	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
File opened for modification	C:\WINDOWS\windows.exe	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 16 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	attrib.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1772376775"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31131409"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000039570b57fe416e4dbccca910bc3eabbd0000000002000000000010660000000100002000000074004f2ba0f449eb65f7f41978a61a8203f53462b6aec950681696e3f0025188000000000e80000000020000200000006ef028e25288dc5b0ba58e15ddf5c482b938534458c77f3af3dbf63b4a66ee5520000000663aafd61016a3d87317fbfc9b78badc1113b6306d7517eeda68cc5744a6d29140000000e3a2b02766848ceb7fbc40a51255c302717c386fe349d0e86880da219e306810e765e29bba1680b744fdabc36b1e7b31793b855f985e878bfe60ef430b4fb01d	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1772376775"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31131409"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "433129873"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1766439945"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{94B544C6-7304-11EF-98CC-F2CE673D6489} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000039570b57fe416e4dbccca910bc3eabbd00000000020000000000106600000001000020000000ec3d92d27b88aa9be8d78a5713d5b76a0575d43f92565051c63e9998d68704d3000000000e8000000002000020000000ef3bf3b7ebf555434dbcc50b32396e1328b27059bf8e2e088e3562a62df9c35520000000597e1e72c7c26dc3e160268860398b5f539ecb1de9c19731345138f47a69468f40000000dae58e8cec574d98889756dd61e5565bf0f628ef07026ed1e2eb2c18e8a881dfdacbdc9424297bc70f24a5b4500f70b4e693797b7e76b887b7c9f34ad5063799	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70127e691107db01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50f989691107db01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31131409"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1766439945"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31131409"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://dhku.com"	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2844	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
2844	iexplore.exe
2844	iexplore.exe
3776	IEXPLORE.EXE
3776	IEXPLORE.EXE
3776	IEXPLORE.EXE
3776	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 2844	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	82
PID 904 wrote to memory of 2844	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	82
PID 2844 wrote to memory of 3776	2844	iexplore.exe	84
PID 2844 wrote to memory of 3776	2844	iexplore.exe	84
PID 2844 wrote to memory of 3776	2844	iexplore.exe	84
PID 904 wrote to memory of 3168	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	86
PID 904 wrote to memory of 3168	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	86
PID 904 wrote to memory of 3168	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	86
PID 3168 wrote to memory of 5028	3168	cmd.exe	88
PID 3168 wrote to memory of 5028	3168	cmd.exe	88
PID 3168 wrote to memory of 5028	3168	cmd.exe	88
PID 904 wrote to memory of 5016	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	89
PID 904 wrote to memory of 5016	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	89
PID 904 wrote to memory of 5016	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	89
PID 5016 wrote to memory of 4948	5016	cmd.exe	92
PID 5016 wrote to memory of 4948	5016	cmd.exe	92
PID 5016 wrote to memory of 4948	5016	cmd.exe	92
PID 904 wrote to memory of 1748	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	93
PID 904 wrote to memory of 1748	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	93
PID 904 wrote to memory of 1748	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	93
PID 1748 wrote to memory of 5008	1748	cmd.exe	95
PID 1748 wrote to memory of 5008	1748	cmd.exe	95
PID 1748 wrote to memory of 5008	1748	cmd.exe	95
PID 904 wrote to memory of 1764	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	96
PID 904 wrote to memory of 1764	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	96
PID 904 wrote to memory of 1764	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	96
PID 1764 wrote to memory of 4416	1764	cmd.exe	98
PID 1764 wrote to memory of 4416	1764	cmd.exe	98
PID 1764 wrote to memory of 4416	1764	cmd.exe	98
PID 904 wrote to memory of 3376	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	99
PID 904 wrote to memory of 3376	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	99
PID 904 wrote to memory of 3376	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	99
PID 3376 wrote to memory of 2084	3376	cmd.exe	101
PID 3376 wrote to memory of 2084	3376	cmd.exe	101
PID 3376 wrote to memory of 2084	3376	cmd.exe	101
PID 904 wrote to memory of 4588	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	102
PID 904 wrote to memory of 4588	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	102
PID 904 wrote to memory of 4588	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	102
PID 4588 wrote to memory of 3244	4588	cmd.exe	104
PID 4588 wrote to memory of 3244	4588	cmd.exe	104
PID 4588 wrote to memory of 3244	4588	cmd.exe	104
PID 904 wrote to memory of 4344	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	105
PID 904 wrote to memory of 4344	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	105
PID 904 wrote to memory of 4344	904	cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe	105
PID 4344 wrote to memory of 1848	4344	cmd.exe	107
PID 4344 wrote to memory of 1848	4344	cmd.exe	107
PID 4344 wrote to memory of 1848	4344	cmd.exe	107

Views/modifies file attributes 1 TTPs 7 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5028	attrib.exe
4948	attrib.exe
5008	attrib.exe
4416	attrib.exe
2084	attrib.exe
1848	attrib.exe
3244	attrib.exe

C:\Users\Admin\AppData\Local\Temp\cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe
"C:\Users\Admin\AppData\Local\Temp\cf30a65b6be9b46075d3736d9214ffa593aa92ae9fbf9048c57bbc43820abba5.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:904
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.ymtuku.com/xg/?tan
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2844 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\All Users\桌面\Internet Explorer.lnk"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3168
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\All Users\桌面\Internet Explorer.lnk"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:5028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\桌面\Internet Explorer.lnk"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\Admin\桌面\Internet Explorer.lnk"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\启动 Internet Explorer 浏览器.lnk"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\启动 Internet Explorer 浏览器.lnk"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:5008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1764
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4416
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\「开始」菜单\程序\Internet Explorer.lnk"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3376
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\Admin\「开始」菜单\程序\Internet Explorer.lnk"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "C:\WINDOWS\windows.exe"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4588
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\WINDOWS\windows.exe"
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "c:\system.exe"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4344
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "c:\system.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
b846b882719e09ee4996593fe9ce2fdb

SHA1
68f64b77cab775e1b90b563325c0bf42c60e30bf

SHA256
bec22a671cf77d0beb4395abc6ceb14a9c02822997bce4b9f4b79ef54effaeb7

SHA512
b1eec5f0ad9ff3142ef1c66ce9f615d9a5ff3dfef05693fe860defebd231b706a7c4fc05f591760762b600b1a386ac6474713c94f37e57667a20873267f20190

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
0b24c1f2eb953b3e21e58da892e15488

SHA1
b6cc72d8a598ec7d1d2193b5bee0b3a7f7157bb1

SHA256
cdcc73ba104f3843d0ac700f6381dec2eaa3827468aa35c6b55307e4481d9648

SHA512
05e4d8b583e299f697d852edf873e6ddb579125ce4001519b5042b0da3b80215ab0a3ab4689f72448b49e07b9dca881724622f9fa3df037a950d4dd8931db007

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver8CBA.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8M42AOWL\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\WINDOWS\windows.exe

Filesize
232KB

MD5
62a9d73ee2b672e4910cef03aff9eee3

SHA1
756fc44ff59cdbe46a54c8104f148a714c432c0e

SHA256
aa319803d8e331a31e00f190bd62c0edc8f7dfb3fa138d1eb78f51cbc8f3d4f4

SHA512
78e37ed0d5341e54fd8d1cb118b509411045f19a225dffcf4765142e17467c5e9aa5f8bf4f78e40726515de8912ca825879446a67688c9eda6dfb8fab6b1ec6b

Download Submit
C:\system.exe

Filesize
232KB

MD5
494701cf91b2575dceb711c6ab2f77d4

SHA1
3b7fe943a19028256cb8fdff3c79affd9d12d5b3

SHA256
cd842f2409a2ec1bc6a1af0ff6fb4c0b121fbfa3094c39cf09b65c4139ec42ce

SHA512
1783918680bc073a418160ccceb0d4ae5aaff1c827360b12b3bda5310ab8e1264a9df31d7d8f5e5f0cf70fae51ba2792251a716a24ec3ddf827e7e55d762e7b6

Download Submit
memory/904-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/904-17-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download