715e35291e79f3844dd2c2b6286c1adfb6ca4314186ed29251eb7720ccc29c90

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 11:10

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General

Target

9703a7ad5b71a87895c075c7fe087fed.exe
Size

456KB
MD5

9703a7ad5b71a87895c075c7fe087fed
SHA1

728a63ce3de8598090ca25d47cab15259dd764a5
SHA256

715e35291e79f3844dd2c2b6286c1adfb6ca4314186ed29251eb7720ccc29c90
SHA512

ec9ed1cb45fa634d33e7ebffb7d2393ae104e5365789fc9f50e8fb2ebd5f1e5e8fef6c6128cb8d61b131f1a9d33fa17aed9d1df2cd03a42a54cbbbc70f82c8cd
SSDEEP

12288:JyUChnrsy/Ay4aUi8YRVkvtmFW/OZM9+1+gWQbHyuG9peWx5XyyzcW3bROnkg4:JyUChrsYT8YRivyW/eMIFM900Xyy3bRj

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\WINDOWS\\userinit.exe"	h2s.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\WINDOWS\\userinit.exe"	nacl.exe

Disables RegEdit via registry modification 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	nacl.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	h2s.exe

Disables Task Manager via registry modification
evasion

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system32\drivers\etc\hosts	nacl.exe

Executes dropped EXE 6 IoCs

pid	Process
2204	h2s.exe
2612	lsass.exe
2640	nacl.exe
2576	lsass.exe
1804	h2s.exe
2524	lsass.exe

Loads dropped DLL 4 IoCs

pid	Process
2092	9703a7ad5b71a87895c075c7fe087fed.exe
2092	9703a7ad5b71a87895c075c7fe087fed.exe
2204	h2s.exe
2092	9703a7ad5b71a87895c075c7fe087fed.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2092-1-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/files/0x000a0000000155fd-10.dat	upx
behavioral1/memory/2092-19-0x00000000026B0000-0x0000000002732000-memory.dmp	upx
behavioral1/memory/2092-52-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2576-60-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2204-61-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/1804-71-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2524-79-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2092-82-0x0000000000400000-0x0000000000482000-memory.dmp	upx
behavioral1/memory/2640-83-0x0000000000400000-0x0000000000482000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\pikachu = "C:\\WINDOWS\\nacl.exe"	h2s.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\pikachu = "C:\\WINDOWS\\nacl.exe"	nacl.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\WINDOWS\userinit.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File created	C:\WINDOWS\h2s.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File opened for modification	C:\WINDOWS\system\lsass.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File created	C:\WINDOWS\nacl.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File opened for modification	C:\WINDOWS\nacl.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File created	C:\WINDOWS\nacl.exe	h2s.exe
File created	C:\WINDOWS\system\lsass.exe	h2s.exe
File opened for modification	C:\WINDOWS\userinit.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File opened for modification	C:\WINDOWS\h2s.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File created	C:\WINDOWS\system\lsass.exe	9703a7ad5b71a87895c075c7fe087fed.exe
File opened for modification	C:\WINDOWS\nacl.exe	h2s.exe
File opened for modification	C:\WINDOWS\system\lsass.exe	h2s.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 37 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 74003100000000004c584e591100557365727300600008000400efbeee3a851a4c584e592a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4c003100000000007d57db8b10204c6f63616c00380008000400efbe7d5746887d57db8b2a000000fe0100000000020000000000000000000000000000004c006f00630061006c00000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4c003100000000007d572b8e100041646d696e00380008000400efbe7d5746887d572b8e2a00000031000000000003000000000000000000000000000000410064006d0069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = 86003100000000004c584e5910203937303341377e3100006e0008000400efbe4c584e594c584e592a0000003050010000000700000000000000000000000000000039003700300033006100370061006400350062003700310061003800370038003900350063003000370035006300370066006500300038003700660065006400000018000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 52003100000000007d574688122041707044617461003c0008000400efbe7d5746887d5746882a000000eb0100000000020000000000000000000000000000004100700070004400610074006100000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4a003100000000004c584f59102054656d700000360008000400efbe7d5746884c584f592a000000ff010000000002000000000000000000000000000000540065006d007000000014000000	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings	explorer.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2204	h2s.exe
2204	h2s.exe
2640	nacl.exe
2576	lsass.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
1804	h2s.exe
2524	lsass.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe
2640	nacl.exe
2204	h2s.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2092	9703a7ad5b71a87895c075c7fe087fed.exe
2092	9703a7ad5b71a87895c075c7fe087fed.exe
2204	h2s.exe
2204	h2s.exe
2640	nacl.exe
2640	nacl.exe
2576	lsass.exe
2576	lsass.exe
1804	h2s.exe
1804	h2s.exe
2524	lsass.exe
2524	lsass.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2368	2092	9703a7ad5b71a87895c075c7fe087fed.exe	28
PID 2092 wrote to memory of 2368	2092	9703a7ad5b71a87895c075c7fe087fed.exe	28
PID 2092 wrote to memory of 2368	2092	9703a7ad5b71a87895c075c7fe087fed.exe	28
PID 2092 wrote to memory of 2368	2092	9703a7ad5b71a87895c075c7fe087fed.exe	28
PID 2092 wrote to memory of 2204	2092	9703a7ad5b71a87895c075c7fe087fed.exe	30
PID 2092 wrote to memory of 2204	2092	9703a7ad5b71a87895c075c7fe087fed.exe	30
PID 2092 wrote to memory of 2204	2092	9703a7ad5b71a87895c075c7fe087fed.exe	30
PID 2092 wrote to memory of 2204	2092	9703a7ad5b71a87895c075c7fe087fed.exe	30
PID 2368 wrote to memory of 2584	2368	cmd.exe	31
PID 2368 wrote to memory of 2584	2368	cmd.exe	31
PID 2368 wrote to memory of 2584	2368	cmd.exe	31
PID 2368 wrote to memory of 2584	2368	cmd.exe	31
PID 2204 wrote to memory of 2668	2204	h2s.exe	32
PID 2204 wrote to memory of 2668	2204	h2s.exe	32
PID 2204 wrote to memory of 2668	2204	h2s.exe	32
PID 2204 wrote to memory of 2668	2204	h2s.exe	32
PID 2584 wrote to memory of 2660	2584	net.exe	34
PID 2584 wrote to memory of 2660	2584	net.exe	34
PID 2584 wrote to memory of 2660	2584	net.exe	34
PID 2584 wrote to memory of 2660	2584	net.exe	34
PID 2092 wrote to memory of 2612	2092	9703a7ad5b71a87895c075c7fe087fed.exe	35
PID 2092 wrote to memory of 2612	2092	9703a7ad5b71a87895c075c7fe087fed.exe	35
PID 2092 wrote to memory of 2612	2092	9703a7ad5b71a87895c075c7fe087fed.exe	35
PID 2092 wrote to memory of 2612	2092	9703a7ad5b71a87895c075c7fe087fed.exe	35
PID 2668 wrote to memory of 1636	2668	cmd.exe	36
PID 2668 wrote to memory of 1636	2668	cmd.exe	36
PID 2668 wrote to memory of 1636	2668	cmd.exe	36
PID 2668 wrote to memory of 1636	2668	cmd.exe	36
PID 1636 wrote to memory of 2864	1636	net.exe	37
PID 1636 wrote to memory of 2864	1636	net.exe	37
PID 1636 wrote to memory of 2864	1636	net.exe	37
PID 1636 wrote to memory of 2864	1636	net.exe	37
PID 2204 wrote to memory of 2640	2204	h2s.exe	38
PID 2204 wrote to memory of 2640	2204	h2s.exe	38
PID 2204 wrote to memory of 2640	2204	h2s.exe	38
PID 2204 wrote to memory of 2640	2204	h2s.exe	38
PID 2640 wrote to memory of 2520	2640	nacl.exe	39
PID 2640 wrote to memory of 2520	2640	nacl.exe	39
PID 2640 wrote to memory of 2520	2640	nacl.exe	39
PID 2640 wrote to memory of 2520	2640	nacl.exe	39
PID 2204 wrote to memory of 2576	2204	h2s.exe	41
PID 2204 wrote to memory of 2576	2204	h2s.exe	41
PID 2204 wrote to memory of 2576	2204	h2s.exe	41
PID 2204 wrote to memory of 2576	2204	h2s.exe	41
PID 2576 wrote to memory of 2156	2576	lsass.exe	43
PID 2576 wrote to memory of 2156	2576	lsass.exe	43
PID 2576 wrote to memory of 2156	2576	lsass.exe	43
PID 2576 wrote to memory of 2156	2576	lsass.exe	43
PID 2092 wrote to memory of 2340	2092	9703a7ad5b71a87895c075c7fe087fed.exe	45
PID 2092 wrote to memory of 2340	2092	9703a7ad5b71a87895c075c7fe087fed.exe	45
PID 2092 wrote to memory of 2340	2092	9703a7ad5b71a87895c075c7fe087fed.exe	45
PID 2092 wrote to memory of 2340	2092	9703a7ad5b71a87895c075c7fe087fed.exe	45
PID 2092 wrote to memory of 1804	2092	9703a7ad5b71a87895c075c7fe087fed.exe	46
PID 2092 wrote to memory of 1804	2092	9703a7ad5b71a87895c075c7fe087fed.exe	46
PID 2092 wrote to memory of 1804	2092	9703a7ad5b71a87895c075c7fe087fed.exe	46
PID 2092 wrote to memory of 1804	2092	9703a7ad5b71a87895c075c7fe087fed.exe	46
PID 1804 wrote to memory of 2444	1804	h2s.exe	48
PID 1804 wrote to memory of 2444	1804	h2s.exe	48
PID 1804 wrote to memory of 2444	1804	h2s.exe	48
PID 1804 wrote to memory of 2444	1804	h2s.exe	48
PID 2092 wrote to memory of 2524	2092	9703a7ad5b71a87895c075c7fe087fed.exe	50
PID 2092 wrote to memory of 2524	2092	9703a7ad5b71a87895c075c7fe087fed.exe	50
PID 2092 wrote to memory of 2524	2092	9703a7ad5b71a87895c075c7fe087fed.exe	50
PID 2092 wrote to memory of 2524	2092	9703a7ad5b71a87895c075c7fe087fed.exe	50

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoRun = "0"	nacl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	h2s.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "0"	h2s.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoRun = "0"	h2s.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	nacl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "0"	nacl.exe

C:\Users\Admin\AppData\Local\Temp\9703a7ad5b71a87895c075c7fe087fed.exe
"C:\Users\Admin\AppData\Local\Temp\9703a7ad5b71a87895c075c7fe087fed.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\SysWOW64\cmd.exe
  cmd /k net share "phim_hai_hay=C:\Documents and Settings\Temp" & exit &
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\net.exe
    net share "phim_hai_hay=C:\Documents and Settings\Temp"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2584
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 share "phim_hai_hay=C:\Documents and Settings\Temp"
      4⤵
      PID:2660
- C:\WINDOWS\h2s.exe
  C:\WINDOWS\h2s.exe
  2⤵
  - Modifies WinLogon for persistence
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2204
- - C:\Windows\SysWOW64\cmd.exe
    cmd /k net share "phim_hai_hay=C:\Documents and Settings\Temp" & exit &
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - C:\Windows\SysWOW64\net.exe
      net share "phim_hai_hay=C:\Documents and Settings\Temp"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1636
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 share "phim_hai_hay=C:\Documents and Settings\Temp"
        5⤵
        
        PID:2864
- - C:\WINDOWS\nacl.exe
    C:\WINDOWS\nacl.exe
    3⤵
    - Modifies WinLogon for persistence
    - Disables RegEdit via registry modification
    - Drops file in Drivers directory
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2640
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /k net share "phim_hai_hay=C:\Documents and Settings\Temp" & exit &
      4⤵
      PID:2520
- - C:\WINDOWS\system\lsass.exe
    C:\WINDOWS\system\lsass.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2576
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /k net share "phim_hai_hay=C:\Documents and Settings\Temp" & exit &
      4⤵
      PID:2156
- C:\WINDOWS\system\lsass.exe
  C:\WINDOWS\system\lsass.exe
  2⤵
  - Executes dropped EXE
  PID:2612
- C:\Windows\SysWOW64\explorer.exe
  explorer 9703a7ad5b71a87895c075c7fe087fed
  2⤵
  PID:2340
- C:\WINDOWS\h2s.exe
  C:\WINDOWS\h2s.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /k net share "phim_hai_hay=C:\Documents and Settings\Temp" & exit &
    3⤵
    PID:2444
- C:\WINDOWS\system\lsass.exe
  C:\WINDOWS\system\lsass.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2524
- - C:\Windows\SysWOW64\cmd.exe
    cmd /k net share "phim_hai_hay=C:\Documents and Settings\Temp" & exit &
    3⤵
    PID:2836

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
PID:1820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\system\lsass.exe

Filesize
456KB

MD5
9703a7ad5b71a87895c075c7fe087fed

SHA1
728a63ce3de8598090ca25d47cab15259dd764a5

SHA256
715e35291e79f3844dd2c2b6286c1adfb6ca4314186ed29251eb7720ccc29c90

SHA512
ec9ed1cb45fa634d33e7ebffb7d2393ae104e5365789fc9f50e8fb2ebd5f1e5e8fef6c6128cb8d61b131f1a9d33fa17aed9d1df2cd03a42a54cbbbc70f82c8cd

Download Submit
memory/1804-71-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1820-84-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1820-81-0x0000000003C80000-0x0000000003C81000-memory.dmp

Filesize
4KB

Download
memory/1820-80-0x0000000003C90000-0x0000000003CA0000-memory.dmp

Filesize
64KB

Download
memory/2092-23-0x00000000026B0000-0x0000000002732000-memory.dmp

Filesize
520KB

Download
memory/2092-52-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2092-1-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2092-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2092-19-0x00000000026B0000-0x0000000002732000-memory.dmp

Filesize
520KB

Download
memory/2204-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2524-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2576-60-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2640-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download