f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2024, 04:17

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General

Target
f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
Size 232KB
Sample241114-ewlyestmf1
SHA256 f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1
MD5 8c57f482eb21643d397b520eb900c1d9
SHA1 7e4fceb32a9299e96759fc5064e0705374e4e93d
SHA512 7e8f1a395e821fc4cdc2b287579f37fa6b29524d3578bcc8f35029dc3e1a4d6720ec55ae2222692b597ce81286834453332007974ca3baa2102b561f1cbc9eeb
SSDEEP 3072:l1i/NU8bOMYcYYcmy51VRgiFCpCIXUWOLTsEsigcL3P6xxc1VOz1i/NU82OMYcYU:Xi/NjO5xbg/CSUFLTwMjs6oi/N+O7
MD5 SHA1 SHA512 SSDEEP

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}	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}\StubPath = "C:\\system.exe"	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\ie.bat	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
File created	C:\WINDOWS\SysWOW64\qx.bat	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 7 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1904	cmd.exe
3052	cmd.exe
1572	cmd.exe
3668	cmd.exe
4484	cmd.exe
1496	cmd.exe
4692	cmd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1272-0-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/files/0x000b000000023b77-15.dat	upx
behavioral2/files/0x000a000000023b7b-16.dat	upx
behavioral2/memory/1272-17-0x0000000000400000-0x000000000043A000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\windows.exe	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
File opened for modification	C:\WINDOWS\windows.exe	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
File opened for modification	C:\WINDOWS\windows.exe	attrib.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	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	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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143500"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "845862870"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c88e6291f50dd448b150439a5f2f5a3d00000000020000000000106600000001000020000000da3371fb3966883224c32bae203d136e1d31d87570a60b1bcc59f95d3782a933000000000e8000000002000020000000c5ba9a123abb2a93d26ae85b725322327efd443e5306c2beb2c09fa4cb83ee9320000000a6b42091fbaa2f14506510abed7d95b54005066ed5d8399a39362c7945dd8eeb400000005b2115662be7243f4cca2de3bbd4e1fda4cef327860339bdd8f7b6a33f9eb012067dd91ab81f4d33f0170e05ef0f9ff747c3158f5170549489da1a8a33e70ce6	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "845862870"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31143500"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143500"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "848363020"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5DF2FEFA-A23F-11EF-BEF1-7ECF469E42CC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c88e6291f50dd448b150439a5f2f5a3d0000000002000000000010660000000100002000000024e5d64329406a9611bb48df8eb9879ac08c1205bf1be4187241222a247de676000000000e8000000002000020000000c538ffa6280de94ea021d9f6f78bf8ff1ec2e08edba8052bc8320429321b34f020000000ac62798f8a699d4f819cfdb6624decf3c705e5b652d052c5b33217728d6735dd40000000a0b27e919633a91d33f92adc08cc545a299648edd8bf09017c3f2dd87b341d5c87550f49d874b6550ddba50039c4bb7f7e523459aeba4bcfb6d041ca0301c1d8	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438322826"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50c9c7324c36db01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4084cc324c36db01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://dhku.com"	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4448	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
4448	iexplore.exe
4448	iexplore.exe
2752	IEXPLORE.EXE
2752	IEXPLORE.EXE
2752	IEXPLORE.EXE
2752	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 4448	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	83
PID 1272 wrote to memory of 4448	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	83
PID 4448 wrote to memory of 2752	4448	iexplore.exe	84
PID 4448 wrote to memory of 2752	4448	iexplore.exe	84
PID 4448 wrote to memory of 2752	4448	iexplore.exe	84
PID 1272 wrote to memory of 1904	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	85
PID 1272 wrote to memory of 1904	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	85
PID 1272 wrote to memory of 1904	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	85
PID 1904 wrote to memory of 1136	1904	cmd.exe	88
PID 1904 wrote to memory of 1136	1904	cmd.exe	88
PID 1904 wrote to memory of 1136	1904	cmd.exe	88
PID 1272 wrote to memory of 3052	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	89
PID 1272 wrote to memory of 3052	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	89
PID 1272 wrote to memory of 3052	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	89
PID 3052 wrote to memory of 4148	3052	cmd.exe	91
PID 3052 wrote to memory of 4148	3052	cmd.exe	91
PID 3052 wrote to memory of 4148	3052	cmd.exe	91
PID 1272 wrote to memory of 1572	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	92
PID 1272 wrote to memory of 1572	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	92
PID 1272 wrote to memory of 1572	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	92
PID 1572 wrote to memory of 1660	1572	cmd.exe	94
PID 1572 wrote to memory of 1660	1572	cmd.exe	94
PID 1572 wrote to memory of 1660	1572	cmd.exe	94
PID 1272 wrote to memory of 3668	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	95
PID 1272 wrote to memory of 3668	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	95
PID 1272 wrote to memory of 3668	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	95
PID 3668 wrote to memory of 2456	3668	cmd.exe	97
PID 3668 wrote to memory of 2456	3668	cmd.exe	97
PID 3668 wrote to memory of 2456	3668	cmd.exe	97
PID 1272 wrote to memory of 4484	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	98
PID 1272 wrote to memory of 4484	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	98
PID 1272 wrote to memory of 4484	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	98
PID 4484 wrote to memory of 4088	4484	cmd.exe	100
PID 4484 wrote to memory of 4088	4484	cmd.exe	100
PID 4484 wrote to memory of 4088	4484	cmd.exe	100
PID 1272 wrote to memory of 1496	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	102
PID 1272 wrote to memory of 1496	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	102
PID 1272 wrote to memory of 1496	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	102
PID 1496 wrote to memory of 3332	1496	cmd.exe	104
PID 1496 wrote to memory of 3332	1496	cmd.exe	104
PID 1496 wrote to memory of 3332	1496	cmd.exe	104
PID 1272 wrote to memory of 4692	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	105
PID 1272 wrote to memory of 4692	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	105
PID 1272 wrote to memory of 4692	1272	f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe	105
PID 4692 wrote to memory of 3264	4692	cmd.exe	108
PID 4692 wrote to memory of 3264	4692	cmd.exe	108
PID 4692 wrote to memory of 3264	4692	cmd.exe	108

Views/modifies file attributes 1 TTPs 7 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1136	attrib.exe
4148	attrib.exe
1660	attrib.exe
2456	attrib.exe
4088	attrib.exe
3332	attrib.exe
3264	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.exe
"C:\Users\Admin\AppData\Local\Temp\f588d7fc03b3d97af299ae5d5f39b75e1ece2502a8e0c3682fd4b9f847b505e1.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:1272
- 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:4448
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4448 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2752
- 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:1904
- - 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:1136
- 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:3052
- - 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:4148
- 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:1572
- - 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:1660
- 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:3668
- - 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:2456
- 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:4484
- - 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:4088
- 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:1496
- - 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:3332
- 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:4692
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "c:\system.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3264

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

7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 471B
SHA256 1b93adeab62e6271270d2d20018d674d97f34ed82b127d165d338e4a520f532d
MD5 6911c74e9fef0942b37967a889ed5383
SHA1 62e0675e75f626f2fff3b486fa8fae6f4f558d5d
SHA512 68b12ee8a3da5d80be8cfc171028fb6a1b745595ee04ebaeb03f7f5a86b0c2f82b3b96801453e26684c7b8a20691d793a55f30f521decf3b947af360f49c1893
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 65c7e5737a879dd7d17ec05871cfbf6631ae71b885e6d91a1055fa16f68037a8
MD5 603d576badb0186dbf8d93df3376fb46
SHA1 44679d81cf3750684ac4ce9948bb2ce1c2b75b31
SHA512 c0de39b6f2c25d2bb40a5ad7c797006f0ce48dceacbc207dd45c42023f6a304e9245c9f895d860cc9e6a4f3340e2a7698f7b753c47d1408bb2b7a43efb26cd41
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WQOY74U4\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
MD5 SHA1 SHA512 SSDEEP

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windows.exe

Path C:\WINDOWS\windows.exe
Size 232KB
SHA256 9201e0be4ffacf4c8c048e8a97c5621f1e142b1da51bdbd73f4b6121f78ccf28
MD5 6dd5ca6a0c4c5568d78e35ac90d2df8e
SHA1 72673c1cf870a28cea3e26d14d402fd39df818b3
SHA512 438fbf0b8916a34810ca4c55e32b6e38b9b758260d899e4f10458bda6ecd01a752c50f6b80d9caf17e5c15cff9bab51b880fbb5b8aa7846f01b988a9adb52e84
SSDEEP 3072:t1i/NU8bOMYcYYcmy51VRgiFCpCIXUWOLTsEsigcL3P6xxc1VOz1i/NU82OMYcYU:Pi/NjO5xbg/CSUFLTwMjs6oi/N+O7
MD5 SHA1 SHA512 SSDEEP

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system.exe

Path C:\system.exe
Size 232KB
SHA256 09400d6cae5a16585c4c2117fe4ff230157d5a432a37517f965cdb47759a93a7
MD5 0532fa7121151c4cc5e0f3fb49500565
SHA1 3c0bf95b151dbdf114c220a2f9f714fe23bc82b4
SHA512 fef4c833187e0125eb81cee889ec35748ff31e56150de527a6f806cdbfcad4aee37afbfaab040a1ca69cfab5e4fd4eebe93610e5616bee272ed2c7f2745b24e7
SSDEEP 3072:D1i/NU8bOMYcYYcmy51VRgiFCpCIXUWOLTsEsigcL3P6xxc1VOz1i/NU82OMYcYU:Ri/NjO5xbg/CSUFLTwMjs6oi/N+O7
MD5 SHA1 SHA512 SSDEEP

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memory/1272-0-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/1272-17-0x0000000000400000-0x000000000043A000-memory.dmp

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