f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816

Analysis

max time kernel
104s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2024, 16:33

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General

Target
f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
Size 232KB
Sample241030-t2l8psynap
SHA256 f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816
MD5 1879176e66489ccf69ab303d95e7ce20
SHA1 20d945d198a5b2a4964503779e9ce4a74546def1
SHA512 3f259ef3c6e5b5522bcc62c964f4f0419a224396f5b8b299c71d5ddefbbab1544f3f381d61f5b0aafab2788e494991d9258b8f2266c29e38f136ae3c11e99b3b
SSDEEP 3072:7I1i/NU8bOMYcYYcmy5cU+gTn6HOjDhWrzvvQwlgO5s1i/NU82OMYcYYamv5b:Ki/NjO5YBgegD0PHzSni/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}	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}\StubPath = "C:\\system.exe"	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\ie.bat	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
File created	C:\WINDOWS\SysWOW64\qx.bat	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 7 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2604	cmd.exe
1652	cmd.exe
2660	cmd.exe
4832	cmd.exe
4304	cmd.exe
4900	cmd.exe
4240	cmd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/316-0-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/files/0x000a000000023b37-10.dat	upx
behavioral2/files/0x000a000000023b38-13.dat	upx
behavioral2/memory/316-20-0x0000000000400000-0x000000000043A000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\windows.exe	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
File opened for modification	C:\WINDOWS\windows.exe	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.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	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.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	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	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	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	attrib.exe

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AFA1805C-96DC-11EF-B9D5-DA61A5E71E4E} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2215160429"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31140585"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000645c69dcf33f304d82964e308b3da4ad000000000200000000001066000000010000200000005948d9412d4dcee90e7d4636c9da1af1004a39d9f9827f216d6f7a7eecbf52fe000000000e8000000002000020000000a6442bb84b09dabf622c3549e64b6813b1225a69295a20cc523b2a6166414da82000000007386b8c2c19252cdf10f7df49b9ed02625e9fdb18c2a6d7ab28b9d10d7f6eb64000000054cacbb2c1f5d16f5916b43e26e242afc7921f33c9f3c970e5f0079be5a493aa8a415006ddd5c029c1d2f6dc726bb527dd8bf6954bf4b454bee6b26f5e01da5c	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2215160429"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437070980"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31140585"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000645c69dcf33f304d82964e308b3da4ad00000000020000000000106600000001000020000000ea7dd3c4e42aac6f6524e3b4d627c26d8b03ed1ae19264da4b6e9a5f6485455b000000000e80000000020000200000005f39fc37358fbc8ea9d47fb7b69c9492980219b37f5c457be8a27dce6e743c5e20000000f3cd89263041415d02faf79516662f39628e51b025fd8722477b2ed3bb34e7bc40000000da0c675aa6be3bff00848dbece51e324d9e3009784445631d3b8cde0ba215f55b5b1716a9ab54148ee0064a26153478905eb72b627e632365c7b11c50d597f47	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2219066616"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31140585"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d039df84e92adb01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b03ee684e92adb01	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://dhku.com"	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3112	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
3112	IEXPLORE.EXE
3112	IEXPLORE.EXE
4948	IEXPLORE.EXE
4948	IEXPLORE.EXE
4948	IEXPLORE.EXE
4948	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 3112	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	84
PID 316 wrote to memory of 3112	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	84
PID 3112 wrote to memory of 4948	3112	IEXPLORE.EXE	85
PID 3112 wrote to memory of 4948	3112	IEXPLORE.EXE	85
PID 3112 wrote to memory of 4948	3112	IEXPLORE.EXE	85
PID 316 wrote to memory of 3852	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	86
PID 316 wrote to memory of 3852	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	86
PID 316 wrote to memory of 2604	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	87
PID 316 wrote to memory of 2604	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	87
PID 316 wrote to memory of 2604	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	87
PID 2604 wrote to memory of 1368	2604	cmd.exe	89
PID 2604 wrote to memory of 1368	2604	cmd.exe	89
PID 2604 wrote to memory of 1368	2604	cmd.exe	89
PID 316 wrote to memory of 1652	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	90
PID 316 wrote to memory of 1652	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	90
PID 316 wrote to memory of 1652	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	90
PID 1652 wrote to memory of 4824	1652	cmd.exe	92
PID 1652 wrote to memory of 4824	1652	cmd.exe	92
PID 1652 wrote to memory of 4824	1652	cmd.exe	92
PID 316 wrote to memory of 2660	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	93
PID 316 wrote to memory of 2660	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	93
PID 316 wrote to memory of 2660	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	93
PID 2660 wrote to memory of 4004	2660	cmd.exe	95
PID 2660 wrote to memory of 4004	2660	cmd.exe	95
PID 2660 wrote to memory of 4004	2660	cmd.exe	95
PID 316 wrote to memory of 4832	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	96
PID 316 wrote to memory of 4832	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	96
PID 316 wrote to memory of 4832	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	96
PID 4832 wrote to memory of 2988	4832	cmd.exe	98
PID 4832 wrote to memory of 2988	4832	cmd.exe	98
PID 4832 wrote to memory of 2988	4832	cmd.exe	98
PID 316 wrote to memory of 4304	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	99
PID 316 wrote to memory of 4304	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	99
PID 316 wrote to memory of 4304	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	99
PID 4304 wrote to memory of 5044	4304	cmd.exe	101
PID 4304 wrote to memory of 5044	4304	cmd.exe	101
PID 4304 wrote to memory of 5044	4304	cmd.exe	101
PID 316 wrote to memory of 4900	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	103
PID 316 wrote to memory of 4900	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	103
PID 316 wrote to memory of 4900	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	103
PID 4900 wrote to memory of 3672	4900	cmd.exe	105
PID 4900 wrote to memory of 3672	4900	cmd.exe	105
PID 4900 wrote to memory of 3672	4900	cmd.exe	105
PID 316 wrote to memory of 4240	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	106
PID 316 wrote to memory of 4240	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	106
PID 316 wrote to memory of 4240	316	f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe	106
PID 4240 wrote to memory of 2016	4240	cmd.exe	109
PID 4240 wrote to memory of 2016	4240	cmd.exe	109
PID 4240 wrote to memory of 2016	4240	cmd.exe	109

Views/modifies file attributes 1 TTPs 7 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4004	attrib.exe
2988	attrib.exe
5044	attrib.exe
3672	attrib.exe
2016	attrib.exe
1368	attrib.exe
4824	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.exe
"C:\Users\Admin\AppData\Local\Temp\f46824a098ed7fd8b6e18172fd08ca4854b32c61c8ce8c4c7b392eb52c572816N.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:316
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.212ok.com/Gbook.asp?qita
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3112
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3112 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4948
- 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
  PID:3852
- 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:2604
- - 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:1368
- 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:1652
- - 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:4824
- 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:2660
- - 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:4004
- 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:4832
- - 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:2988
- 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:4304
- - 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:5044
- 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:4900
- - 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:3672
- 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:4240
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "c:\system.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2016

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 903a6d82bf2fe8951104cf90d9f64aab0fbded30a2246e678a80d07868569b4f
MD5 ee4ada789158c1e5a14d597cf1d5edd0
SHA1 9593aee78d30d51ab93d6a29dc4dc873e0d466b6
SHA512 a6214f62e5089512aeaabab7c4bb38e8663fb55d5f4129c57e726723dad10802ec40c3dc836087713b77c1874c12f177bf2b2998fd3e52f4210c1c5307885c16
MD5 SHA1 SHA512

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7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Size 404B
SHA256 cc0d7102c7ca7f5967ea84da1f6510ead9caca08be15b6889dffd72add063fe1
MD5 bd3f6dba83c6a28f50afd421238739fd
SHA1 e12085b2e75a49c5e6fc24588c52239b7dccf5cd
SHA512 b776d3ea29834ec453420684bd6cbfa74e650c65490db8748dbf63e44b861752aaaca85c53eed5899ef2d7d08f77ac9f5d70801ba647f3a171bb3d1b7b75e919
MD5 SHA1 SHA512

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suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\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 58b43b897c44a7db29eaab19a1a230d4baaa345a48482f444487d5b6040a3332
MD5 c480abc3d24a08a437c606d846a9e71a
SHA1 5461509b33c8c269c256e1fddc49ac4010fb6e0b
SHA512 a0e7b438e428308858bbc1fbb6add1a8c26ab5c08b79e99de6c830d9d096ebd8d4437485797df6dcd6feaa64ff2624a0fb73a135465cba41c147116eeaa1624b
SSDEEP 3072:II1i/NU8bOMYcYYcmy5cU+gTn6HOjDhWrzvvQwlgO5s1i/NU82OMYcYYamv5b:ri/NjO5YBgegD0PHzSni/N+O7
MD5 SHA1 SHA512 SSDEEP

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system.exe

Path C:\system.exe
Size 232KB
SHA256 3e59a9560219efdcf0e16c4f3e5f4d08e38a6b01b0f8d822cdbec02c9c41ea21
MD5 e5ad44d024714428e7684c34f398bbd0
SHA1 8d3fb67ce6ea12d423b542d09e7839fc7cc8f59a
SHA512 369fc5e02f1cd80e3ec3725a0f51f7845ebc2df5a472e608c37b2678bfdfa9b4369f06a071ca5f995bf1ed2969588a4e65561a27d1f637df78b123a725e9a5f6
SSDEEP 3072:nI1i/NU8bOMYcYYcmy5cU+gTn6HOjDhWrzvvQwlgO5s1i/NU82OMYcYYamv5b:mi/NjO5YBgegD0PHzSni/N+O7
MD5 SHA1 SHA512 SSDEEP

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memory/316-0-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/316-20-0x0000000000400000-0x000000000043A000-memory.dmp

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