b4afa2b281e418b9ed93f22775916d577b8e273b95e9158cf0166cbae6d4d658

Analysis

max time kernel
137s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 10:11

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General

Target

b4714fd77c3e299884c0bbeb9ef37c03.html
Size

795B
MD5

b4714fd77c3e299884c0bbeb9ef37c03
SHA1

9e5752bdf6cea3336fd8c399d87ad233f0050fc0
SHA256

b4afa2b281e418b9ed93f22775916d577b8e273b95e9158cf0166cbae6d4d658
SHA512

b5755150d6fd9b148b674179f2c58c28aca03cb12d7fd5c7c857618c6e144fc5efe2cfc870716ed05ec1345a57c398bf1d104be9a0ab87dee63a722c4795bef3

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000112dd71d930ff24b8b2b71a2c228122b000000000200000000001066000000010000200000006eac773abe956309b135eedad65b9538bb6fba2d22f75c0e790663b7374e698c000000000e80000000020000200000000de302e522da4fae13283dc20d112062cca7f57633af04b693fda262f2d3d94920000000f28cbe6b3090bc265e753b104f93d770a673be1f7215a60adea4b35948fc1ef2400000004b308f7595a5df1e78a9d6f834f12faa89655ff377aab1bead4aca20caa688499b2baa12b7e816e9c96dcbc2ebba4feb483fceb8228118c5b62109f3ad1c5da1	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000112dd71d930ff24b8b2b71a2c228122b00000000020000000000106600000001000020000000bedcc823881535c53fc7c1cfeaf76f2f22a50ee6d0c0c8f397e772df98677a5f000000000e80000000020000200000008870a70bbb9a8eb3ab1a15909e1c19837aeaba08ee34c16283d437af8bd94237900000007483658cf301d1fe3c196a7e23b3c519802e9b330de1033bb4f43836360657c86ed5c51024e1651272f793d44eb4626f79279778c535b22c3fd1a0ac4a2a0e19a1088ced2c171b327ef58ccb7db640ca2904a6d8f2177eb8c59f993397ccec644de7387776f702a2bdaaa83c1df7cb9c75e8120fbfc708959196b3d146b9f8ba5e0c7766bbabc4b78a7fdbe61cba123540000000e60c0c46e899decc64175aba13e65e7149e5ee2096dddd0346736630dbfd8456ec92b46f523d169843b4d7b303cf5e84f070addfbb485cd234ae885400e172a0	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "415795365"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BDF5AE91-DAD8-11EE-9FA2-EA483E0BCDAF} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e023a9d1e56eda01	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1716	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1716	iexplore.exe
1716	iexplore.exe
2112	IEXPLORE.EXE
2112	IEXPLORE.EXE
2112	IEXPLORE.EXE
2112	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2112	1716	iexplore.exe	28
PID 1716 wrote to memory of 2112	1716	iexplore.exe	28
PID 1716 wrote to memory of 2112	1716	iexplore.exe	28
PID 1716 wrote to memory of 2112	1716	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\b4714fd77c3e299884c0bbeb9ef37c03.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1716 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2112

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\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
7cb12fd4f30b37d2d77733fb373945da

SHA1
f74b99ea2c6fa1fb980b2fee79509f5d845b29ed

SHA256
0dfc4094d87e0b7ef42f5b819a3be40299cbc774b981a4dd3e726c839bed0b96

SHA512
c9dfb2193f504ea27712ba9f51c54d10d055329a513f1740bbc70ce5f134e51059d5b985c0a4992d942e75e42dd831bfa29fa6e012525d638062f203f9870ce4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
5535ade504526c60838e74ec405037a4

SHA1
92b17d6b22e11e16eee653c42c7bd33c00c158f6

SHA256
9de405a1cdbeb27cd5753e1af72391809cc2a893729f44488b095109c16550b1

SHA512
55cd7c048bcdc29b309985a43129c2cab274539b457c93ef1821d6b3cddffebc0133d43770100d7892fcf1d2e400440f161d56128e85af12b9655075e62a1d4d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
7863075ee18b98c59c781624db0c2dd5

SHA1
b445463f710ee2c2f2964457e5016a597a82bcba

SHA256
6661484cf2bba8addab7994f73a9e93b947fbb4454bbe72e2da7c97d2fafe750

SHA512
419dc5e0d0fed951c56be27f11c769a79c24d8aec122653e3041e4252bcea7ce3233b43d680b7f4a011644649ca5fe6fa4992d3b798b56f73ff1cc0e087add94

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
a7cbc748a6fd57ad0c0296370a35c492

SHA1
cf1588f79b8a18e57ec60cf89f79d5299632e9f2

SHA256
d64dffbd9d51d92f66923854491e6ba427fdc2dc72156d3a8dd9ca7b06809d31

SHA512
8c117f167b5e25eff131e69cfdb3c2f9c387ec0f10ac649cc51d61eac0315b5924c9882833120d80150fd50587248c975c52d5047f5894a161c51cd66bc3df25

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
3c49225b9fa59a80048fcc78791c7838

SHA1
83be10f0c9907c959a7623fbb54c3c92067c0746

SHA256
21719100e84609b3c37138af985a221d8ab1ccfa2d834770a2aab67bf1e088a8

SHA512
084e95076d6629930e80c8c2a304cf8782bbe4a47bb1e176c419a99b5ccc72f874eb257bafc1f64e307b49fef712ee36fe414f9fe10898adc05d27dd50d0a5d1

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
72d5f6f8c69d40a9ac75c0fff51bb255

SHA1
0777e3a80d3e9b1a548b13c41d90725af4874e68

SHA256
49e1d21e8ae0ad2ac600d97afb2b0120d75da920bdf31e1bd0934426d129e7f6

SHA512
287ee8a81b3bcb9c40bb1eab0b19f96bad72b37b5520de5dd98aba8bd694ff5e655cf13bd73dae3eae3112759910dbf4cf09b0396d37df8376ea91ebbd40ddee

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
3212d4018aea65a64eb21fd3a4dc4343

SHA1
c4a126ef1bcf6769c8a7f40718852934e672a65a

SHA256
a06a1366a4eb645e67c677fa24c7e61f7ebb0f098656428868f2faa7814a4d1c

SHA512
3e94d41e9c74b914f614a606189dc06429a17b50d0086620f8986d2f5cdf6e5d71b15776c54643c11e35a789056881a59139a33bf43f312f849656477afad1d6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
1bb6b3f97be4b6614899fec5f2f47cc7

SHA1
cb4d353ae7165b6a1a439142b1d8c73b5ba9ce48

SHA256
1f792f4c4425ac34c085170ef56ef8a539f37a6b6cc0256c7634e9e001daee94

SHA512
a711f8c03f175232db53f095dff84a6337439f83dd6cf2530cbe7963678a0b8b5be8600f6a95d87a87e596bd9be7f53aba6544d401c3e4f6f291ebce23f66f4a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
67b78c2e4027c1344f9629301626b896

SHA1
16851b5bb6d8875bd5bc772f16cca58fb67289b6

SHA256
cc1a12a2ae3afd84fe0ac3627bc997177239124768f4f7e6c10a84c4ff442e43

SHA512
da757fbd924c39f87b29e955e20cffae3f5d4f03559c799e8439669e0112b2b68d19f59c29dbc6df560480f7be779fd88e12f39a840c9986a3668af336097a92

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab8B41.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8D2C.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit