90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

Analysis

max time kernel
151s
max time network
161s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 20:01

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General

Target

90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
Size

138KB
MD5

b747d7d3251d18ca0e12f8a845c03213
SHA1

e8d6b7b0eec90a4488d4ad8f291be736907fd27a
SHA256

90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1
SHA512

a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669
SSDEEP

1536:dybBm4TdrvqMa4M7H8JTcdr405kanhduwf+RF:dybBm4TO4bYZ4nahXK

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1004

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"	lsass.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 3 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	nacl.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	h2s.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	lsass.exe

Disables Task Manager via registry modification
evasion

Drops file in Drivers directory 2 IoCs

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

Executes dropped EXE 6 IoCs

pid	Process
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1240	lsass.exe
1432	h2s.exe
1648	lsass.exe

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1700-55-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/files/0x000700000001347b-59.dat	upx
behavioral1/files/0x00070000000136cd-63.dat	upx
behavioral1/files/0x00070000000136cd-64.dat	upx
behavioral1/files/0x00070000000136cd-66.dat	upx
behavioral1/memory/1984-71-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/1152-72-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/files/0x000700000001347b-74.dat	upx
behavioral1/files/0x00070000000136cd-76.dat	upx
behavioral1/files/0x000700000001399b-79.dat	upx
behavioral1/files/0x000700000001399b-75.dat	upx
behavioral1/files/0x00070000000136cd-84.dat	upx
behavioral1/files/0x00070000000136cd-86.dat	upx
behavioral1/memory/1240-90-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/files/0x000700000001347b-92.dat	upx
behavioral1/memory/1432-99-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/files/0x00070000000136cd-100.dat	upx
behavioral1/files/0x00070000000136cd-97.dat	upx
behavioral1/memory/1648-104-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/1700-105-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/572-108-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/1984-109-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/1152-110-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/1984-111-0x0000000002580000-0x00000000025E6000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
1984	h2s.exe
1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\pikachu = "C:\\WINDOWS\\nacl.exe"	lsass.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	nacl.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\pikachu = "C:\\WINDOWS\\nacl.exe"	nacl.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	h2s.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\pikachu = "C:\\WINDOWS\\nacl.exe"	h2s.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	lsass.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\userinit.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File created	C:\WINDOWS\h2s.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File opened for modification	C:\WINDOWS\h2s.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File created	C:\WINDOWS\nacl.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File opened for modification	C:\WINDOWS\nacl.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File opened for modification	C:\WINDOWS\system\lsass.exe	h2s.exe
File created	C:\WINDOWS\userinit.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File created	C:\WINDOWS\system\lsass.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File opened for modification	C:\WINDOWS\system\lsass.exe	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
File created	C:\WINDOWS\nacl.exe	h2s.exe
File created	C:\WINDOWS\system\lsass.exe	h2s.exe
File opened for modification	C:\WINDOWS\nacl.exe	h2s.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 37 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 74003100000000006b55837c1100557365727300600008000400efbeee3a851a6b55837c2a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4c003100000000006b55c08b100041646d696e00380008000400efbe6b55837c6b55c08b2a00000031000000000003000000000000000000000000000000410064006d0069006e00000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_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-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = c6003100000000007a553a3110203930453141367e310000ae0008000400efbe7a553a317a553a312a000000ae3101000000090000000000000000000000000000003900300065003100610036006100620066006300370063003600610063003300320033003400300039003300370065003300300035003700300033006300320038003000390065003700350037003400380030006300660034003000610035006400360033006400340066003400610030006500310030003100330061003100000018000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 52003100000000006b55837c122041707044617461003c0008000400efbe6b55837c6b55837c2a000000eb0100000000020000000000000000000000000000004100700070004400610074006100000016000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4c003100000000006b55537e10204c6f63616c00380008000400efbe6b55837c6b55537e2a000000fe0100000000020000000000000000000000000000004c006f00630061006c00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4a003100000000007a553a31102054656d700000360008000400efbe6b55837c7a553a312a000000ff010000000002000000000000000000000000000000540065006d007000000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1984	h2s.exe
1152	lsass.exe
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1240	lsass.exe
1432	h2s.exe
1648	lsass.exe
1152	lsass.exe
572	nacl.exe
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1984	h2s.exe
1152	lsass.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
572	nacl.exe
1984	h2s.exe
572	nacl.exe
1984	h2s.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
396	explorer.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
1984	h2s.exe
1984	h2s.exe
1152	lsass.exe
1152	lsass.exe
572	nacl.exe
572	nacl.exe
1240	lsass.exe
1240	lsass.exe
1432	h2s.exe
1432	h2s.exe
1648	lsass.exe
1648	lsass.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1984	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	28
PID 1700 wrote to memory of 1984	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	28
PID 1700 wrote to memory of 1984	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	28
PID 1700 wrote to memory of 1984	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	28
PID 1700 wrote to memory of 1152	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	29
PID 1700 wrote to memory of 1152	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	29
PID 1700 wrote to memory of 1152	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	29
PID 1700 wrote to memory of 1152	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	29
PID 1700 wrote to memory of 1388	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	31
PID 1700 wrote to memory of 1388	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	31
PID 1700 wrote to memory of 1388	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	31
PID 1700 wrote to memory of 1388	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	31
PID 1984 wrote to memory of 572	1984	h2s.exe	32
PID 1984 wrote to memory of 572	1984	h2s.exe	32
PID 1984 wrote to memory of 572	1984	h2s.exe	32
PID 1984 wrote to memory of 572	1984	h2s.exe	32
PID 1984 wrote to memory of 1240	1984	h2s.exe	33
PID 1984 wrote to memory of 1240	1984	h2s.exe	33
PID 1984 wrote to memory of 1240	1984	h2s.exe	33
PID 1984 wrote to memory of 1240	1984	h2s.exe	33
PID 1700 wrote to memory of 1432	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	34
PID 1700 wrote to memory of 1432	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	34
PID 1700 wrote to memory of 1432	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	34
PID 1700 wrote to memory of 1432	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	34
PID 1700 wrote to memory of 1648	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	36
PID 1700 wrote to memory of 1648	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	36
PID 1700 wrote to memory of 1648	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	36
PID 1700 wrote to memory of 1648	1700	90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe	36

System policy modification 1 TTPs 9 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe
"C:\Users\Admin\AppData\Local\Temp\90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1700
- 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:1984
- - 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
    - System policy modification
    PID:572
- - C:\WINDOWS\system\lsass.exe
    C:\WINDOWS\system\lsass.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:1240
- C:\WINDOWS\system\lsass.exe
  C:\WINDOWS\system\lsass.exe
  2⤵
  - 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
  - System policy modification
  PID:1152
- C:\Windows\SysWOW64\explorer.exe
  explorer 90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1
  2⤵
  PID:1388
- C:\WINDOWS\h2s.exe
  C:\WINDOWS\h2s.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1432
- C:\WINDOWS\system\lsass.exe
  C:\WINDOWS\system\lsass.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1648

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

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\SysWOW64\w

Filesize
2KB

MD5
41f66bb0ac50f2d851236170e7c71341

SHA1
59bcec216302151922219b51be8ad8ab6d0b8384

SHA256
ec99cca58b612ce268e6ada818dfcec0acc22dd1bbe372487be9abbdd07ce073

SHA512
d0d223b93236d62d60974d638d9916901c37c32a4b8ef3faebd336850bc1af8b73ce27ac57205a00d97f38ccdd0ad655c9df7e1d7da6ae89de40b173a8639fa6

Download Submit
C:\WINDOWS\h2s.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\WINDOWS\nacl.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\WINDOWS\system32\drivers\etc\hosts

Filesize
578B

MD5
4cedd41692993cf5a0a40baeb724b871

SHA1
fc1eeb1d88966ea4a816bcbdab320830b6f70261

SHA256
fc50ea976a803f4b75f0754c470753049cb6ad93466ec9a55f0b922e112a7695

SHA512
e7124fdba0a6580da6c48cd77777c6aa1aa23f304db8383551931db1e5e814d2d03de92eeaeeb64f4a0654ee7de640956abeffdd94bcd23c08a875cdc6907862

Download Submit
C:\WINDOWS\system32\drivers\etc\hosts

Filesize
578B

MD5
4cedd41692993cf5a0a40baeb724b871

SHA1
fc1eeb1d88966ea4a816bcbdab320830b6f70261

SHA256
fc50ea976a803f4b75f0754c470753049cb6ad93466ec9a55f0b922e112a7695

SHA512
e7124fdba0a6580da6c48cd77777c6aa1aa23f304db8383551931db1e5e814d2d03de92eeaeeb64f4a0654ee7de640956abeffdd94bcd23c08a875cdc6907862

Download Submit
C:\WINDOWS\system32\drivers\etc\hosts

Filesize
578B

MD5
4cedd41692993cf5a0a40baeb724b871

SHA1
fc1eeb1d88966ea4a816bcbdab320830b6f70261

SHA256
fc50ea976a803f4b75f0754c470753049cb6ad93466ec9a55f0b922e112a7695

SHA512
e7124fdba0a6580da6c48cd77777c6aa1aa23f304db8383551931db1e5e814d2d03de92eeaeeb64f4a0654ee7de640956abeffdd94bcd23c08a875cdc6907862

Download Submit
C:\WINDOWS\system32\drivers\etc\hosts

Filesize
578B

MD5
4cedd41692993cf5a0a40baeb724b871

SHA1
fc1eeb1d88966ea4a816bcbdab320830b6f70261

SHA256
fc50ea976a803f4b75f0754c470753049cb6ad93466ec9a55f0b922e112a7695

SHA512
e7124fdba0a6580da6c48cd77777c6aa1aa23f304db8383551931db1e5e814d2d03de92eeaeeb64f4a0654ee7de640956abeffdd94bcd23c08a875cdc6907862

Download Submit
C:\WINDOWS\system32\drivers\etc\hosts

Filesize
578B

MD5
4cedd41692993cf5a0a40baeb724b871

SHA1
fc1eeb1d88966ea4a816bcbdab320830b6f70261

SHA256
fc50ea976a803f4b75f0754c470753049cb6ad93466ec9a55f0b922e112a7695

SHA512
e7124fdba0a6580da6c48cd77777c6aa1aa23f304db8383551931db1e5e814d2d03de92eeaeeb64f4a0654ee7de640956abeffdd94bcd23c08a875cdc6907862

Download Submit
C:\WINDOWS\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\Windows\h2s.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\Windows\h2s.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\Windows\nacl.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\Windows\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\Windows\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
C:\Windows\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
\Windows\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
\Windows\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
\Windows\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
\Windows\system\lsass.exe

Filesize
138KB

MD5
b747d7d3251d18ca0e12f8a845c03213

SHA1
e8d6b7b0eec90a4488d4ad8f291be736907fd27a

SHA256
90e1a6abfc7c6ac32340937e305703c2809e757480cf40a5d63d4f4a0e1013a1

SHA512
a27918551e691dc3624826c74afc98e434bc3a14345db01988f25720744e83da3f6e69c7163b61d21eca6eed47cd47c97bb25c4fc5a6bc98c0e9b06477c3e669

Download Submit
memory/396-106-0x00000000039C0000-0x00000000039D0000-memory.dmp

Filesize
64KB

Download
memory/396-95-0x000007FEFC241000-0x000007FEFC243000-memory.dmp

Filesize
8KB

Download
memory/572-108-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1152-110-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1152-72-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1240-90-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1388-78-0x0000000076651000-0x0000000076653000-memory.dmp

Filesize
8KB

Download
memory/1388-83-0x0000000074B11000-0x0000000074B13000-memory.dmp

Filesize
8KB

Download
memory/1432-99-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1648-104-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1700-55-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1700-105-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1700-70-0x00000000006F0000-0x0000000000756000-memory.dmp

Filesize
408KB

Download
memory/1984-107-0x0000000002580000-0x00000000025E6000-memory.dmp

Filesize
408KB

Download
memory/1984-109-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1984-111-0x0000000002580000-0x00000000025E6000-memory.dmp

Filesize
408KB

Download
memory/1984-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download