828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 22:46

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General

Target

828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
Size

143KB
MD5

a6f4cf7723180ed098d0e4c80f7dd4f7
SHA1

5b10326fbae669536a371e4b1c92ab79c2fce22d
SHA256

828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573
SHA512

995b690ea0c92a54c81f0a88ff71d1b28a2c84df17f14efa48cd6e3c669932863c3932cc1c956babd3aa3a61599ca8f55b3e11c829df0c2d30b9451c9e726216
SSDEEP

3072:61i/NU8bOMYcYYcmy5cU+gTn6HOjDhWrzvvQwlgO5v1i/NU82OMYcYYamv5b:ki/NjO5YBgegD0PHzSwi/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}	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}\StubPath = "C:\\system.exe"	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\qx.bat	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
File created	C:\WINDOWS\SysWOW64\ie.bat	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 7 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4592	cmd.exe
4736	cmd.exe
376	cmd.exe
2592	cmd.exe
804	cmd.exe
4392	cmd.exe
2660	cmd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2456-0-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/files/0x0008000000023cb0-10.dat	upx
behavioral2/files/0x0007000000023cb1-11.dat	upx
behavioral2/memory/2456-20-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\windows.exe	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
File opened for modification	C:\WINDOWS\windows.exe	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.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	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	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	IEXPLORE.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	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.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

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6A10C91C-8690-11EF-91C3-CAF61997B0B0} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1047110337"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000042e7dba96731da408b68fe0ed5b0a2460000000002000000000010660000000100002000000025e13da1eb93c3a66255f21125c45b5186b3e4c5718da57396ba0fc3a25e2291000000000e8000000002000020000000b207145220a65c770e429ce25690a388e31c3eb77e49e754670b727a8a37f2352000000021071a3980ec6991c00d1e157b60a6b48dffc496c1ea451ea59a8f201c3714b04000000019d6e33a6d1a7756159515f594c1e10864e8e86916e0f6d9ffea7f28db76cbc146b37813cb7ea23959be3572fd6f9b25e49589a10ff6e7633f9baa9599773aed	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000042e7dba96731da408b68fe0ed5b0a246000000000200000000001066000000010000200000000dca16aa619d32ac7c577f5c9d0f1c73beb639db26623748727fd7ad745fc05c000000000e80000000020000200000008a95224783c79e86c8f2871d8edce7f4a55c8e20a154c05ac59714f1f6e41c6e200000000ae254d5ee229603c354c8e671d3c6ab7947d2e30f357180e00718f803e6545a40000000f4cfec1ca39e51a2fcf135aaf77a53a555c1cea629a47e812eb20b49c03099eddf1313aa17d8ebce8a2ed28f8043ecd7732660924fdb3f1035162cd0528200d6	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0275f3f9d1adb01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1051797951"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31136413"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31136413"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "435279003"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31136413"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10d0503f9d1adb01	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1047110337"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://dhku.com"	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4472	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
4472	IEXPLORE.EXE
4472	IEXPLORE.EXE
4648	IEXPLORE.EXE
4648	IEXPLORE.EXE
4648	IEXPLORE.EXE
4648	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 4472	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	84
PID 2456 wrote to memory of 4472	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	84
PID 4472 wrote to memory of 4648	4472	IEXPLORE.EXE	86
PID 4472 wrote to memory of 4648	4472	IEXPLORE.EXE	86
PID 4472 wrote to memory of 4648	4472	IEXPLORE.EXE	86
PID 2456 wrote to memory of 1996	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	87
PID 2456 wrote to memory of 1996	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	87
PID 2456 wrote to memory of 376	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	88
PID 2456 wrote to memory of 376	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	88
PID 2456 wrote to memory of 376	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	88
PID 376 wrote to memory of 1592	376	cmd.exe	90
PID 376 wrote to memory of 1592	376	cmd.exe	90
PID 376 wrote to memory of 1592	376	cmd.exe	90
PID 2456 wrote to memory of 2592	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	91
PID 2456 wrote to memory of 2592	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	91
PID 2456 wrote to memory of 2592	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	91
PID 2592 wrote to memory of 2908	2592	cmd.exe	93
PID 2592 wrote to memory of 2908	2592	cmd.exe	93
PID 2592 wrote to memory of 2908	2592	cmd.exe	93
PID 2456 wrote to memory of 804	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	94
PID 2456 wrote to memory of 804	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	94
PID 2456 wrote to memory of 804	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	94
PID 804 wrote to memory of 2772	804	cmd.exe	97
PID 804 wrote to memory of 2772	804	cmd.exe	97
PID 804 wrote to memory of 2772	804	cmd.exe	97
PID 2456 wrote to memory of 4392	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	98
PID 2456 wrote to memory of 4392	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	98
PID 2456 wrote to memory of 4392	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	98
PID 4392 wrote to memory of 4968	4392	cmd.exe	100
PID 4392 wrote to memory of 4968	4392	cmd.exe	100
PID 4392 wrote to memory of 4968	4392	cmd.exe	100
PID 2456 wrote to memory of 2660	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	101
PID 2456 wrote to memory of 2660	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	101
PID 2456 wrote to memory of 2660	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	101
PID 2660 wrote to memory of 4372	2660	cmd.exe	103
PID 2660 wrote to memory of 4372	2660	cmd.exe	103
PID 2660 wrote to memory of 4372	2660	cmd.exe	103
PID 2456 wrote to memory of 4592	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	104
PID 2456 wrote to memory of 4592	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	104
PID 2456 wrote to memory of 4592	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	104
PID 4592 wrote to memory of 4148	4592	cmd.exe	106
PID 4592 wrote to memory of 4148	4592	cmd.exe	106
PID 4592 wrote to memory of 4148	4592	cmd.exe	106
PID 2456 wrote to memory of 4736	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	107
PID 2456 wrote to memory of 4736	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	107
PID 2456 wrote to memory of 4736	2456	828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe	107
PID 4736 wrote to memory of 3772	4736	cmd.exe	109
PID 4736 wrote to memory of 3772	4736	cmd.exe	109
PID 4736 wrote to memory of 3772	4736	cmd.exe	109

Views/modifies file attributes 1 TTPs 7 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1592	attrib.exe
2908	attrib.exe
2772	attrib.exe
4968	attrib.exe
4372	attrib.exe
4148	attrib.exe
3772	attrib.exe

C:\Users\Admin\AppData\Local\Temp\828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.exe
"C:\Users\Admin\AppData\Local\Temp\828f103c733b2d3ac4803c9ec3a538e27fc755fb8d19102856f1c9f92f97a573.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:2456
- 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:4472
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4472 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4648
- 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:1996
- 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:376
- - 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:1592
- 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:2592
- - 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:2908
- 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:804
- - 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:2772
- 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:4392
- - 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:4968
- 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:2660
- - 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:4372
- 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:4592
- - 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:4148
- 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:4736
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "c:\system.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3772

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\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\WINDOWS\windows.exe

Filesize
143KB

MD5
50db57b4534227a4d4c79c66b1f17d6e

SHA1
ecf2076b430e72149cfa555ba774137180704c29

SHA256
6a37794c24dd1ca083cb30a9ef7fd3dabe468a2179db4718ba8b92d5e8c3c4f7

SHA512
a9557a91376950ba16d267150b2d5fae03fed14e8941f299679c4d8d7fb9a8eff57e3f0f9077aa958ad3274f7a4f3d50ecac4e9df58729e6c79a5476764ce98c

Download Submit
C:\system.exe

Filesize
143KB

MD5
cc6e2d80156790fab9fe67d9406567c2

SHA1
1ff40245755f12d4af763d37c92f2f40c2ec9c2d

SHA256
ea0449f1933fc9450c2871789dcdfa14ef5f6240653d085421fb9b24c979e23f

SHA512
ad566d144d2968c04594be119cf447a27f9d44516a457ee7651da48c3efef1b82a9482ad669a316a5583fb165dcc2ef34b49b1ca02de6c28de91e010f276420f

Download Submit
memory/2456-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2456-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download