b5aae06cf771eae62f010f2db6f70b610445bd23147b5eac248414ec69736d6e

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2023 22:00

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General

Target

404.html
Size

1KB
MD5

55c9429f6ce39952916dea140593a1ec
SHA1

78c9d0dbe381faca8ffbe4706d179797a6b42669
SHA256

3d07ac84fe7325becbdce52c315117fff3274003845f28c4468e51dea8f10286
SHA512

51cc7d54f97bdedcaca18ed280ad7eeed4c89dbf5d05d22480d9721cd4a84e6b7cc3391e52f427ffec1c781f257f2dee8e5da7460663a5074c5d0c19664a2b2b

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31051716"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31051716"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0e45a06c4cfd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\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-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "56782192"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "72877339"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2EBD3F40-3BB7-11EE-AF72-5EF587AB3AC7} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31051716"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000929439ee50e204ba4f4b605da59efba00000000020000000000106600000001000020000000867af2f0f3f4e9030dbe9038db918115fdedfacd1522924bbbb54382eac111e2000000000e80000000020000200000004209644a85f34b220da02cdf0957db9ee189d9f6903506a94d4c840427273293200000005b32a28f85d97d118a48618efdd019785132391b240f5217df6afc657ec9a61d400000009e27e4be4636d826509ab11dcd8c8a3d36971bca5d77b99bd047b57cd06406146be8dc0d5e0b9aee2676c09a74f5f7a6409b77419e916835ff85f692329dff44	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 70687006c4cfd901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "56782192"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000929439ee50e204ba4f4b605da59efba00000000020000000000106600000001000020000000d5cae5c680802cda09f216650dd99072ef5c85cdf821f090046689dcc3f09b0e000000000e8000000002000020000000307d5ce12ce7032159f414de6d57f47dbefd902cd94db9f5eaf08ae625353ff920000000b6d37c8f6e1195536eb86377cfeda946fdd0d99634bd28f901cc5d5db55f8be040000000b5e988aced4de2dc4db7deed5157e42b7eb23f5e57f5dbc3595057e81940648761d62638742218fbbc06847c801e1ab50b0d52540c5ca10376a828fa075be354	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "398901820"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4752	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4752	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4752	iexplore.exe
4752	iexplore.exe
3388	IEXPLORE.EXE
3388	IEXPLORE.EXE
3388	IEXPLORE.EXE
3388	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 3388	4752	iexplore.exe	82
PID 4752 wrote to memory of 3388	4752	iexplore.exe	82
PID 4752 wrote to memory of 3388	4752	iexplore.exe	82

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\404.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4752 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3388

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
abd894aef4f73449a6cfc2d076225933

SHA1
a2d44ad11d7e16dfa5ecbee8502ca659ee48cf96

SHA256
f7303aeb79a7b3b1848d6c70ac0a4d9c068d1503d1243e4ed393696e9ef24d04

SHA512
28ce4e117ed6c9f6d708b4e349f123bc9b8469ea996926caabf4e127a0628a8d6925e12dc2af678feba0be14bbcb53d6b69100f09e2fc91bb96c491896b77bde

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

Filesize
404B

MD5
83461add2c1501f6771da1a776cc8a56

SHA1
eb2a762216e0f92ddea3e8d304887ecc17b753e6

SHA256
b6872aa4e3b1e416d8466bb5dfa994240a31f4c7b1a5125843d401d390826807

SHA512
f1ed558f102cb9fcb87d1b1bac7157c3e792ab57e53996faa5dcd3ee893c285be35390a8d7dd63f3b0d2450fd5fc1f77cb067e11438eef061fc1aa32e516a797

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M4YEGMW2\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit