061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1

Analysis

max time kernel
120s
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
26-11-2024 00:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
Size

55KB
MD5

2f8d95766331a328e8b0c17a72bf71e1
SHA1

ebd0ee67b0ba3ab038c094201ae098205fba3651
SHA256

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1
SHA512

93c4e507523ef72bddf33ba8bd225fd0d256c64d5b24d3aebadf8ccd64ccfe18d685125d9c90cfaccf09c2b12889126710906535a3d4c808d5fce00488bb5656
SSDEEP

1536:ehBZ1b9c409y1G1i35Bo01i/gcU8eVTOK/YqjYYamvbtb1:CZl2zoxV1i/NU82OMYcYYamv5b1

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

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}\StubPath = "C:\\system.exe"	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.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

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

Drops file in System32 directory 2 IoCs

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

description	ioc	process
File created	C:\WINDOWS\SysWOW64\ie.bat	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
File created	C:\WINDOWS\SysWOW64\qx.bat	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 7 IoCs
defense_evasion

Hidden Files and Directories
T1564.001

Processes:

cmd.execmd.execmd.execmd.execmd.execmd.execmd.exe

pid process

4532 cmd.exe
1496 cmd.exe
3540 cmd.exe
1288 cmd.exe
1588 cmd.exe
1100 cmd.exe
1124 cmd.exe

pid	process
4532	cmd.exe
1496	cmd.exe
3540	cmd.exe
1288	cmd.exe
1588	cmd.exe
1100	cmd.exe
1124	cmd.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4480-0-0x0000000000400000-0x0000000000429000-memory.dmp	upx
C:\WINDOWS\windows.exe	upx
C:\system.exe	upx
behavioral2/memory/4480-20-0x0000000000400000-0x0000000000429000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exeattrib.exe

description	ioc	process
File created	C:\WINDOWS\windows.exe	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
File opened for modification	C:\WINDOWS\windows.exe	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.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

Processes:

cmd.exeattrib.execmd.execmd.execmd.exeattrib.exeattrib.exe061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exeIEXPLORE.EXEattrib.exeattrib.exeattrib.execmd.exeattrib.execmd.execmd.exe

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	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.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	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

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEiexplore.exeIEXPLORE.EXE061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000086445aa8a430244a91c2b800ab210a51000000000200000000001066000000010000200000007017bd103ff97557d2e24031564b73ab2338a35cb9724474477bedf963f33c22000000000e80000000020000200000008fbf4d28259a3c810f9521055d459153c44acfa04ff2e3536efec98d6248c0cd20000000076311b53d2d212d8c978fd1e35352cee7fa97e58196a7ddbf46a40b54dba66f40000000a3f4c87ce2ec71409a61a3ba10522e28297a5759f64c7edb4280188cad798f8b7a9b5582a00607258cc8adc14b1bc52caa3e69e50433a279b43fbbe93af8862f	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2022FE99-AB8E-11EF-AEE2-DA61A5E71E4E} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145882"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "439346213"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4102225540"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31145882"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e06c65f59a3fdb01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000086445aa8a430244a91c2b800ab210a5100000000020000000000106600000001000020000000073cca1dee281ebf811f62b1596053212fb8ce638d8cb62b9585a54767a34392000000000e8000000002000020000000d37dee57a2793809e560cfb40d233901910ec22b2ea0e0995f2a23d44a1332642000000065229d11933813eb621166107cd5310981f26c381d26bef8e4af22430cc26b4740000000fa87ea63193cd7d26cf3d4c43098ede0bfcfa5bf90b6524c7b478901843526310ac8d06beb68437c46b05cc469037faecef8b3dd612d10c27e1c62148a4c5607	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31145882"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4105975740"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0986cf59a3fdb01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4102225540"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://dhku.com"	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

pid	process
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

IEXPLORE.EXE

pid process

2260 IEXPLORE.EXE

pid	process
2260	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exeIEXPLORE.EXEIEXPLORE.EXE

pid	process
4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
2260	IEXPLORE.EXE
2260	IEXPLORE.EXE
3588	IEXPLORE.EXE
3588	IEXPLORE.EXE
3588	IEXPLORE.EXE
3588	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 49 IoCs

Processes:

061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exeIEXPLORE.EXEcmd.execmd.execmd.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 4480 wrote to memory of 2260	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	IEXPLORE.EXE
PID 4480 wrote to memory of 2260	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	IEXPLORE.EXE
PID 2260 wrote to memory of 3588	2260	IEXPLORE.EXE	IEXPLORE.EXE
PID 2260 wrote to memory of 3588	2260	IEXPLORE.EXE	IEXPLORE.EXE
PID 2260 wrote to memory of 3588	2260	IEXPLORE.EXE	IEXPLORE.EXE
PID 4480 wrote to memory of 3404	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	iexplore.exe
PID 4480 wrote to memory of 3404	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	iexplore.exe
PID 4480 wrote to memory of 4532	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 4532	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 4532	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4532 wrote to memory of 2076	4532	cmd.exe	attrib.exe
PID 4532 wrote to memory of 2076	4532	cmd.exe	attrib.exe
PID 4532 wrote to memory of 2076	4532	cmd.exe	attrib.exe
PID 4480 wrote to memory of 1496	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1496	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1496	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 1496 wrote to memory of 3048	1496	cmd.exe	attrib.exe
PID 1496 wrote to memory of 3048	1496	cmd.exe	attrib.exe
PID 1496 wrote to memory of 3048	1496	cmd.exe	attrib.exe
PID 4480 wrote to memory of 3540	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 3540	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 3540	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 3540 wrote to memory of 1564	3540	cmd.exe	attrib.exe
PID 3540 wrote to memory of 1564	3540	cmd.exe	attrib.exe
PID 3540 wrote to memory of 1564	3540	cmd.exe	attrib.exe
PID 4480 wrote to memory of 1288	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1288	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1288	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 1288 wrote to memory of 3684	1288	cmd.exe	attrib.exe
PID 1288 wrote to memory of 3684	1288	cmd.exe	attrib.exe
PID 1288 wrote to memory of 3684	1288	cmd.exe	attrib.exe
PID 4480 wrote to memory of 1588	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1588	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1588	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 1588 wrote to memory of 3464	1588	cmd.exe	attrib.exe
PID 1588 wrote to memory of 3464	1588	cmd.exe	attrib.exe
PID 1588 wrote to memory of 3464	1588	cmd.exe	attrib.exe
PID 4480 wrote to memory of 1100	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1100	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1100	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 1100 wrote to memory of 4640	1100	cmd.exe	attrib.exe
PID 1100 wrote to memory of 4640	1100	cmd.exe	attrib.exe
PID 1100 wrote to memory of 4640	1100	cmd.exe	attrib.exe
PID 4480 wrote to memory of 1124	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1124	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 4480 wrote to memory of 1124	4480	061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe	cmd.exe
PID 1124 wrote to memory of 2440	1124	cmd.exe	attrib.exe
PID 1124 wrote to memory of 2440	1124	cmd.exe	attrib.exe
PID 1124 wrote to memory of 2440	1124	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 7 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exeattrib.exeattrib.exeattrib.exeattrib.exeattrib.exe

pid process

2440 attrib.exe
2076 attrib.exe
3048 attrib.exe
1564 attrib.exe
3684 attrib.exe
3464 attrib.exe
4640 attrib.exe

pid	process
2440	attrib.exe
2076	attrib.exe
3048	attrib.exe
1564	attrib.exe
3684	attrib.exe
3464	attrib.exe
4640	attrib.exe

C:\Users\Admin\AppData\Local\Temp\061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.exe
"C:\Users\Admin\AppData\Local\Temp\061b2f3d2e90d31e660a96313af13f0c4b9ae9157cfe0b2276b05f318e7bfac1.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:4480
- 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:2260
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2260 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3588
- 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:3404
- 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:4532
- - 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:2076
- 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:1496
- - 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:3048
- 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:3540
- - 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:1564
- 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:1288
- - 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:3684
- 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:1588
- - 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:3464
- 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:1100
- - 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:4640
- 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:1124
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "c:\system.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2440

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

Loading Replay Monitor...

Downloads

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

Filesize
471B

MD5
a6dfcf513cd338ab2640f399e560ba31

SHA1
cbc6ea36eef4c8e6e8524b2aa220b9c0017a9145

SHA256
fac20d9c0f5375b23b8932cb8ecb0839245962b4b2cd91924cfc0d9206e4fabf

SHA512
7b2dc6f8ac8fc1503caa508e8efb767a99448c35ab4714c46c034536b4b7b9067b2bf3170798130fe5a9d2763f38308aba868ca301791d0abf60e169d17acd12

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

Filesize
404B

MD5
eaede785be58b6c203d74eee60868a5a

SHA1
be6046664567dfbfd27589ddda23ddf1964071bf

SHA256
8c167b6b4de414adaf27036b9500545bd0fa2a76f8b8d71dc57e73b7b65dbc2b

SHA512
3f623e05a65592f17a3ad52a5353323aa736a6af77c586c9ca73fd46fa277dd6ec1c8ed7d4d34d514b28d58d613478e5b7567cf38994a52157079a9033ff54bc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8B3ZU6S9\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\WINDOWS\windows.exe

Filesize
55KB

MD5
0d63604e7bba301c4b9478a7c5d5e75b

SHA1
1808bbea5792ada7a543f1e23a9be9d509dfbbc9

SHA256
2f960d6d5023035ac784d2faaa5a553729b1d69d7ef1a272507ef8e4288ef64c

SHA512
b93a925506f264a82fb08864653752590ad84bfcb2ed498f79796b0b80f20bec8cdf6ca8ba1e6dc2ca59cfe21dc48e1926cb82be0c699832551a9103cccd30c2

Download Submit
C:\system.exe

Filesize
55KB

MD5
c6f60537c7be601ac974eef783d144b6

SHA1
a29678d15b42c4a2b831942490591f66b34f7bf9

SHA256
f32c9d270c86073a30b7ae958927dff55cb28d32cd65a7194d1773ca7b204415

SHA512
804552216ff89a2fadca2a9e3e761d742b1009aee42311d966acbd5b92b365a8b8e095031bca24a42b55f1bfa3f01e4094152d0f562a7d5b223e24b58552a067

Download Submit
memory/4480-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4480-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download