a5c98d0cf328568263755998feea204f63a6604ab069a3a448b05d4df6ca6089

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 05:39

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General

Target

7f06fe955e94712795734ed3b89cc004.html
Size

50KB
MD5

7f06fe955e94712795734ed3b89cc004
SHA1

16efe0937d88c5ba452d0df8bb11e150e2d04b1f
SHA256

a5c98d0cf328568263755998feea204f63a6604ab069a3a448b05d4df6ca6089
SHA512

b3a35d3965979b03425dd971dbd211304f50852894b4d7abc21f780cbd625bc80169ec98d3f57052401477325114864ebf54622faecb705761f6f0459c557ff8
SSDEEP

768:BN2EWQGiKXUD6jwSwxDfoQhxB1chWaEfxcgknd:B1Z2vwSwuy1esxcLd

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2663230293"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CA2BEE79-BE68-11EE-9963-524326B4BB5C} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2660573711"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085173"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31085173"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 703315ad7552da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2660573711"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\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-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a400000000020000000000106600000001000020000000673163d3071a25383c7837a7bbe174953e41a831fdec4f568401d62a5553da53000000000e8000000002000020000000bee0105a55142eb739a221bac17b9b044a5c18ed20745a932321ba5e25c47d94200000003436beeff90de3a9688c217c2854f2a740a2202c52e8749197f06c7dfc9c215940000000b378f5fa3a52ec362d60ca49a5891d6ff14f3b76edb65b60e20efe1331374490ec85cbde7c60251569f25ba161fbdb73fd2f6449915d69062cfcd027bd59a9b7	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 605f1cad7552da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413271751"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a4000000000200000000001066000000010000200000001a6fe58bf8bfb94f0858fd79e22b8cdf7734f6d04e6558499828d111a686d63d000000000e8000000002000020000000e7205b0a5cb415914cde73ec56162d4cf559f8e4b06827f5e54b76b66c35554b20000000715c084fcd3ab348a50054114ea7894ca06fb85589e125f5a29d3ad3ef450a84400000006932d4f7f01fbfb6b8171873c16475e3ffe87f973ed2b09d6ae51501153b1a2a621c842e28a6fb32a3dccff7e4a7c70f3faece55b76074f9f1af95e34c7d5014	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31085173"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1144	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1144	iexplore.exe
1144	iexplore.exe
4916	IEXPLORE.EXE
4916	IEXPLORE.EXE
4916	IEXPLORE.EXE
4916	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 4916	1144	iexplore.exe	56
PID 1144 wrote to memory of 4916	1144	iexplore.exe	56
PID 1144 wrote to memory of 4916	1144	iexplore.exe	56

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\7f06fe955e94712795734ed3b89cc004.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1144 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

Filesize
471B

MD5
23c885d47568a0c8ec78d6dcc163d3e6

SHA1
5784bd843fecdfcdfdd6c213c092c65613d1f6b4

SHA256
c682f97f831992d9fc18392f30e050457a49b6e15de26a1af4459541c2866d80

SHA512
329f656e73d533712901b9dd168555670fa8ca2d89aaffbc5e446f734af2eb409c54cbbcfc72b9173a65d413bafc4f74c47d6985ce15767890719c36f6e15fa1

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

Filesize
404B

MD5
2902d1dfc7ddb8a9bac1b45f7500f24e

SHA1
beb14599f99584c628871a7e7508d5622f19f307

SHA256
92150d78b2d193d1fb6fae566c7e8c16dfe97e2384ed0025e529da8968be88ae

SHA512
de084855fcdb7eda150ac8c4c2e3411603ee7da43b88525afaad8cbe1875eea55d95b3f30b4861166e30a4550aed3fb21db89d42b22160ea1db8222a824cbf41

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit