ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad

Analysis

max time kernel
134s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 05:04

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General

Target

ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
Size

143KB
MD5

44376c87b1baaa34bc75aac5c42a64ea
SHA1

0c4923dd36cbecbd1cf8e7fc0be3ab041e42934c
SHA256

ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad
SHA512

4393404d8d8b6fedc1f73b57cce18407e07c75246334676e178ad9e693ee66631008cb491cadd8de8b9b9c5bfb743f7f6d7ecee55abe16d2a6057f0ae87a4161
SSDEEP

3072:+1i/NU8bOMYcYYcmy5cU+gTn6HOjDhWrzvvQwlgO5/1i/NU82OMYcYYamv5b:Ii/NjO5YBgegD0PHzSwi/N+O7

Score

9^/10

defense_evasion persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/2500-0-0x0000000000400000-0x000000000042A000-memory.dmp	UPX
behavioral2/files/0x000800000002340e-15.dat	UPX
behavioral2/files/0x0007000000023412-16.dat	UPX
behavioral2/memory/2500-17-0x0000000000400000-0x000000000042A000-memory.dmp	UPX

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}	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A0XC6A98-A14C-J35H-46UD-F5AR862J2AH5}\StubPath = "C:\\system.exe"	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.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-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2500-0-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/files/0x000800000002340e-15.dat	upx
behavioral2/files/0x0007000000023412-16.dat	upx
behavioral2/memory/2500-17-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\qx.bat	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
File created	C:\WINDOWS\SysWOW64\ie.bat	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 7 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
968	cmd.exe
2276	cmd.exe
1676	cmd.exe
908	cmd.exe
2348	cmd.exe
3060	cmd.exe
1780	cmd.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\windows.exe	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
File opened for modification	C:\WINDOWS\windows.exe	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.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

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f01796b218c9da01	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2990402351"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115544"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\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-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115544"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31115544"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2991964768"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000097a1eb2157cf4047a4f2ea4b9291f32300000000020000000000106600000001000020000000d43484b9c44799b52bd523612a31636b57eb41f4a158f34c8908ce104b557d3a000000000e80000000020000200000005b302cbe1bef28750016573554668cfde0185048bab0f9d82a69a9202167e619200000008a26783626938e52dba434c065ac2ee17aee5c828359834e1b7bf919da0ddeb340000000d95fdb34dc65d4bf62056ab1f551ab35134a64f32814ff5b54f2e6d4b087ebea505bd116cba7be4a4c6bf7e6746a7fb8012632657cb8c196cafcb032120e03f2	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31115544"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 005d91b218c9da01	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000097a1eb2157cf4047a4f2ea4b9291f32300000000020000000000106600000001000020000000d107f0e763215932b91b615bd0a610c0470cab2445f8f6c26f0ad0bfbc1cbd4d000000000e8000000002000020000000fdff0d40fd30928eaed3d10d69a669d5d39879158c3260f4625c58166e8ae57420000000e49f72508ed7c0d4a8d1293db81546af1a8bbbe19ec74652210921ef85e4b06940000000078ea9f3ef39a571bdc15e451c1e28cc665453bc50b55c7758dadd9c52e9e168db6bfbc6749d73c5eea10b1cf1ec6faf4739f12c8a746b517a360a7f3ed52ea4	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2990402351"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2991964768"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DDCAD41D-350B-11EF-86EC-6699275097D0} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "426316029"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://dhku.com"	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4564	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
4564	IEXPLORE.EXE
4564	IEXPLORE.EXE
708	IEXPLORE.EXE
708	IEXPLORE.EXE
708	IEXPLORE.EXE
708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 4564	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	82
PID 2500 wrote to memory of 4564	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	82
PID 4564 wrote to memory of 708	4564	IEXPLORE.EXE	83
PID 4564 wrote to memory of 708	4564	IEXPLORE.EXE	83
PID 4564 wrote to memory of 708	4564	IEXPLORE.EXE	83
PID 2500 wrote to memory of 1940	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	84
PID 2500 wrote to memory of 1940	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	84
PID 2500 wrote to memory of 1676	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	85
PID 2500 wrote to memory of 1676	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	85
PID 2500 wrote to memory of 1676	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	85
PID 1676 wrote to memory of 4220	1676	cmd.exe	87
PID 1676 wrote to memory of 4220	1676	cmd.exe	87
PID 1676 wrote to memory of 4220	1676	cmd.exe	87
PID 2500 wrote to memory of 908	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	88
PID 2500 wrote to memory of 908	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	88
PID 2500 wrote to memory of 908	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	88
PID 908 wrote to memory of 4440	908	cmd.exe	90
PID 908 wrote to memory of 4440	908	cmd.exe	90
PID 908 wrote to memory of 4440	908	cmd.exe	90
PID 2500 wrote to memory of 2348	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	91
PID 2500 wrote to memory of 2348	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	91
PID 2500 wrote to memory of 2348	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	91
PID 2348 wrote to memory of 1728	2348	cmd.exe	93
PID 2348 wrote to memory of 1728	2348	cmd.exe	93
PID 2348 wrote to memory of 1728	2348	cmd.exe	93
PID 2500 wrote to memory of 3060	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	94
PID 2500 wrote to memory of 3060	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	94
PID 2500 wrote to memory of 3060	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	94
PID 3060 wrote to memory of 3440	3060	cmd.exe	96
PID 3060 wrote to memory of 3440	3060	cmd.exe	96
PID 3060 wrote to memory of 3440	3060	cmd.exe	96
PID 2500 wrote to memory of 1780	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	97
PID 2500 wrote to memory of 1780	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	97
PID 2500 wrote to memory of 1780	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	97
PID 1780 wrote to memory of 4252	1780	cmd.exe	99
PID 1780 wrote to memory of 4252	1780	cmd.exe	99
PID 1780 wrote to memory of 4252	1780	cmd.exe	99
PID 2500 wrote to memory of 968	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	100
PID 2500 wrote to memory of 968	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	100
PID 2500 wrote to memory of 968	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	100
PID 968 wrote to memory of 4964	968	cmd.exe	102
PID 968 wrote to memory of 4964	968	cmd.exe	102
PID 968 wrote to memory of 4964	968	cmd.exe	102
PID 2500 wrote to memory of 2276	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	103
PID 2500 wrote to memory of 2276	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	103
PID 2500 wrote to memory of 2276	2500	ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe	103
PID 2276 wrote to memory of 1296	2276	cmd.exe	105
PID 2276 wrote to memory of 1296	2276	cmd.exe	105
PID 2276 wrote to memory of 1296	2276	cmd.exe	105

Views/modifies file attributes 1 TTPs 7 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3440	attrib.exe
4252	attrib.exe
4964	attrib.exe
1296	attrib.exe
4220	attrib.exe
4440	attrib.exe
1728	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe
"C:\Users\Admin\AppData\Local\Temp\ffdece8cf4dc25a2087b123c3d57744738a87c873ff38b7a5207029b2e76fcad.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500
- 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:4564
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4564 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:708
- 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:1940
- 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
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\All Users\桌面\Internet Explorer.lnk"
    3⤵
    - Views/modifies file attributes
    PID:4220
- 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
  - Suspicious use of WriteProcessMemory
  PID:908
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\Admin\桌面\Internet Explorer.lnk"
    3⤵
    - Views/modifies file attributes
    PID:4440
- 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
  - Suspicious use of WriteProcessMemory
  PID:2348
- - 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⤵
    - Views/modifies file attributes
    PID:1728
- 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
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk"
    3⤵
    - Views/modifies file attributes
    PID:3440
- 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
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Documents and Settings\Admin\「开始」菜单\程序\Internet Explorer.lnk"
    3⤵
    - Views/modifies file attributes
    PID:4252
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "C:\WINDOWS\windows.exe"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\WINDOWS\windows.exe"
    3⤵
    - Drops file in Windows directory
    - Views/modifies file attributes
    PID:4964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c attrib +h "c:\system.exe"
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "c:\system.exe"
    3⤵
    - Views/modifies file attributes
    PID:1296

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
471B

MD5
fa34ecb8815a2d98849888cb1cdbf38b

SHA1
84fd0e04586009efb3683c98da8d9aa41487cd42

SHA256
5077a54924f80491a74ed78bbd73ff7bf85a27caddb80ceaa9ccb86f8b9a11be

SHA512
ccfdb76ccedd0076601e17272d346229e2b9c0dd884c09bb7701b32c5dc177da8a91bb539ce751297d8ea44716fc497e8a337a9499c93a474ba85915f28f1053

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

Filesize
404B

MD5
e41ff9dc915983810285254fab054ed1

SHA1
070d83d6808b220888b1d2e446829915a68943e4

SHA256
38d0d5af03bb87a31dc37daad5ec38b173f545f874d13f5b9e73dfb3b3f29453

SHA512
9c5ebcf8cf94b095d5e8f9afe768078c38db0474f423ee6e9c3d02a174217c43c38e08dc70b7a7f82156dad522d9b0a6baaff34cf149e7bbf818434d16badf10

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verA901.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NNUT9QBP\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\WINDOWS\windows.exe

Filesize
143KB

MD5
16c37cddbdc5da432ace76d2bf49761e

SHA1
8d7d71b7669498710bf7dad5d25b53df7627f1f2

SHA256
e6473cdabe7ea40cba48f75b17e0d2ad3a8c9deabe0a3513afc1834609e10c0b

SHA512
4a82c6321b7ef84e619976cbbe3101d722fe63fa6352b4f8072c731db9ebead531a912ea450bca0813d1df7c926edb4a7f31c594f5af4c4e4f88a00f0d0c2fbb

Download Submit
C:\system.exe

Filesize
143KB

MD5
a342e02d5cd926c736989b0d267323ef

SHA1
f29cfa48c9816d016c1eed4779f4b35b4b5eee76

SHA256
d9287302672e4982d35c3b2fb346b85dac64d5252ff5a9940ac4fe5c777f5b5d

SHA512
870c40fbc4d0977e673f95233ef30220c7c363448381a019a0ab4cb185f597b0264ea49b300d27d1b01772551a5f8d9c1c52637095e7dd62e7a895dcf9d0274b

Download Submit
memory/2500-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2500-17-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download