b079b796ef2d949c6e7c02ea12732f97b99f160c137c08947fc3ac21762496dd

Analysis

max time kernel
130s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 03:25

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General

Target

739ccef1b6d3953b2317d1ca61813154.html
Size

174KB
MD5

739ccef1b6d3953b2317d1ca61813154
SHA1

efb56f314ff8b54885f8460b3e7db3aa44579269
SHA256

b079b796ef2d949c6e7c02ea12732f97b99f160c137c08947fc3ac21762496dd
SHA512

587b655d79ebc0ce13ffd8dd2a343245249e3eed66b36b552415c9449032406a45846ba4f4b0ace319115006247fe1b70bf8549e2fc75497efba070150c53a3d
SSDEEP

3072:kF3SF3z2UP13G4k5QhLpOatVxgieWbbFE/fNbYaaLStRacxWUu/v66sbsGon4G5j:QCr3G4k5QhL8atVrFufNbYaaLStRDxWn

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084350"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1222989163"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084350"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1219239246"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015a2f750fe9ee1479ecf0c8cfb11934c00000000020000000000106600000001000020000000de0fc99cad12f3123a2d874d68bc28742fd16aa547c8a2e62d7784491d35b105000000000e80000000020000200000009eff99d004b9dd5a2c7145de96838f73ee31c03f1981f9f111db21e4c27cefa020000000e99781f69e902a6ae287adf61d20c4dc118d53315b6e2bbf919228b10db95e8b40000000a2da3bd94cff69b77de6370978ec44fd6e079b087cd629052e9219267950270065ee09f33b638ca87a8e2b7592b2d2eb8cafba08753bc4d4dadb5d9c3b3651f8	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{74429022-BB31-11EE-A0B6-7E9BDE81EA77} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412918132"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1219239246"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0e2a6713e4fda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015a2f750fe9ee1479ecf0c8cfb11934c00000000020000000000106600000001000020000000b633e8c9360381ba014ca3e3faf3d0124f47c623bfe79420fe3e41c1e88b5aa2000000000e80000000020000200000003b76d585cbac6ded5a1896b9d8b7d16b11c9ffa97f116fb1fcc0dba4865d2ec420000000deacb2b3bf86e55584ad32c24beaf17d99c9f326282b501d9156e58d1c135f2240000000b3b538432c84926a4520bb0362da283245c5cdbbf8f276ac8dcf34587ab24bdebd4058800f0053c0e4ddf61737db98c78510c09e124fac0a39b73657ea122c6e	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31084350"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 909dab713e4fda01	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
432	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
432	iexplore.exe
432	iexplore.exe
4576	IEXPLORE.EXE
4576	IEXPLORE.EXE
4576	IEXPLORE.EXE
4576	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 4576	432	iexplore.exe	86
PID 432 wrote to memory of 4576	432	iexplore.exe	86
PID 432 wrote to memory of 4576	432	iexplore.exe	86

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\739ccef1b6d3953b2317d1ca61813154.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:432
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:432 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4576

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\57C8EDB95DF3F0AD4EE2DC2B8CFD4157

Filesize
4KB

MD5
1bfe591a4fe3d91b03cdf26eaacd8f89

SHA1
719c37c320f518ac168c86723724891950911cea

SHA256
9cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8

SHA512
02f88da4b610678c31664609bcfa9d61db8d0b0617649981af948f670f41a6207b4ec19fecce7385a24e0c609cbbf3f2b79a8acaf09a03c2c432cc4dce75e9db

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

Filesize
471B

MD5
6c9b222cd1e44e41ad93ba8d2fcb6512

SHA1
b00df12a3bb2efd842f545c288b4bc948fc0de8f

SHA256
4d9577e0b9cdb6fd342f66ed39177a482fa460da255f954dcd6a32b88385727d

SHA512
809faeef601ca22eba46491747fc7dbb4ce292aaff753ec0041cd85121fbf914f78a23bed0882ce89712a0ebdc52d3aaedad71e9e98e194c62289577c82f5507

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157

Filesize
338B

MD5
637adff00a3fabe3ecbc2702dfe0dd3b

SHA1
631d03ad6753d2a0558221f8a68d279e47924dc7

SHA256
25751d0b7e73c2d34ddb46224209206fcd562eda025894ac279fb81f66ef2470

SHA512
9a7ad8b11d261e9586917331e233908b1ad20bce7e5be913a2282568c6b1a69a52f9cb1cf3ee992d26c44885eac627d33b90185a9a4abb35ac8003ee126966c1

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

Filesize
404B

MD5
481bbd9dcfd1fdc5c9616b07066bdab3

SHA1
a0cad3b18f31eccd4dc737dff9ff629f03ff0ba3

SHA256
e4b5373c5c3776a2a3eda53da5915465f2eb66853a01a562917a6d028a5b2040

SHA512
f1eb39fe68b7f138aca6163f752b581ae2577d26e10226d4a844c064e4058682312d11a5a0f96ad4c0d54deb5f341e76905ceafbb7f01b20145ff985bb1ff92e

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QSO8CY24\3OTZWBJW.js

Filesize
157B

MD5
67e216a27dda24bdcb086c2385b0cb99

SHA1
17141c80f5d32bec3691c5ab24741d8b7dd5f0c6

SHA256
9dc433b2142d3ba0803fcffa53f19d34da26996d20c829df6d694bc887325dd7

SHA512
802319543dc64cb011bc2684004e878a842b73aa55e4da1141ccb8650cbf42fabbf2b46c730760bbfcc7a140e11700244b9f5da78bafe9fca7ec7825c12b4255

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QSO8CY24\478691279-postmessagerelay[1].js

Filesize
12KB

MD5
92169c8a0fbf6e404267d0705cdbdf42

SHA1
a5cd88b74ca5ced239cdbfb458fe25540d671f46

SHA256
dba668b49a111527aac8f616b9053ea57c944e01a84ebdcd02a13da921223384

SHA512
8c5d35ea512fa7be367cd9a9ded2f23822dcce730e5502a355ed0d48949ef763eab13be0d50a66de6b0f8419d6a002c12c4ddbf20d97f5393ba922e48a4f02e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QSO8CY24\rpc_shindig_random[1].js

Filesize
17KB

MD5
f019fdda31635d2a31b151ad8ad56c7a

SHA1
6adcbec55f66ffaef83d9a134423aa98eb2a2189

SHA256
c7fc0b1526533002c956ebf8e8c42c3ad3f96c41ace73fb4063cc89051944831

SHA512
fc278c12316e098976833882a38c788d812f9d36bd1b9b2b8c87dab4dc906af26a860df95436ea1b7d509236d44d0533d475a153437f8f5d42653fc28a77ad64

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\R977VUU4\cb=gapi[2].js

Filesize
133KB

MD5
288c5ba5b7001fe841c32f690f62cc93

SHA1
29aba9d8e4f7cbe25fa5e64b9ecbe256e51fc789

SHA256
c2f33dc18eae27d4e878bf837dd97f1bde5151e44b0271408535bb93265b8c52

SHA512
e375d41344a086d35accfb02bb1f91e2dd383db032af387fc3d6b1230057cc5e432e9b2cdd976e51425b4f587391d42f4d9d857c2e6f11e822a65edcb85f1c9f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\R977VUU4\plusone[1].js

Filesize
56KB

MD5
1944af3661da46249991197817b6cd8b

SHA1
f952df40ec79fafc7c798f37aff92878977376ed

SHA256
63326a1c4e0eddd3501f0a064b06a2708eb0362f3ae934f53145978d3d0799b5

SHA512
0bef19b32be337cfba179ed9ce4533a207cfe645d2e5fe0da9fadc7b01c72704fc89749670d1ac48b8d494675bc62ac089fdc4d8495979226f10828225594376

Download Submit