739b4029e6a615386ad93dce34ca743e9fa79bc5b02df73937b094e34b1289fc

Analysis

max time kernel
135s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2023, 15:02

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General

Target

buildcr.html
Size

214B
MD5

77704c728e9d457471c127bb75b7f274
SHA1

9d57cafb42266914dc5a156b555b69d5c74641f5
SHA256

739b4029e6a615386ad93dce34ca743e9fa79bc5b02df73937b094e34b1289fc
SHA512

2fca0991f9cd4a3db56ca31b00ffb67a53f87f36d0439ad220124e82b5bb79411374b32743dac91bd284e4eb497ecc1aa1a4c96a88acc324e99f94d81ca1a6bd

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-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4028951957"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31053266"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3983013552"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 502522f3d2d5d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 203835f3d2d5d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{1884D582-41C6-11EE-AF62-CA4A694772C8} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ebadd934471470438e7d54f4b866f62c000000000200000000001066000000010000200000004168ca08f52d45d5a6c79b54924c379853939b9156dc45dbff297427b3d82fe4000000000e80000000020000200000008eb6a5affa9586254fc393c6e938cf8560f0122370c2fe9fbd9146c2638689b6200000007d37bdc5daa7d5471d0f64db219762c528d37323365aa1bdb38e84cae3938c0040000000aab50bf70cbc2d860d489dc1fe001b773296f32ffe12ecaf8329407a62f028344158240bb1a7437e5559a7555e08d26400f8a3bab197dd72b196548b1afeff22	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3983013552"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\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-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31053266"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ebadd934471470438e7d54f4b866f62c000000000200000000001066000000010000200000008180650df6b2324ee53885dfa6d192fd4b4d0fe8f117ac41c744a84e15ae6cb2000000000e800000000200002000000067ac1cf7b1d7143cfb520dbd8fd3e57acde42369c8f00762b913ff393ab3154620000000c7dd942d971d8313667f017069c3deec6dbc44387625c13a4fd4002860dc617c400000003525990064e268c91924a817c24f02174fcf38caeb95d9cb6e222710e110391476f8437c7607aca163f85c1ca4ecbb9b4476a9d23cf4f4415ebdced315110b74	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "399567935"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31053266"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2216	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2216	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2216	iexplore.exe
2216	iexplore.exe
4524	IEXPLORE.EXE
4524	IEXPLORE.EXE
4524	IEXPLORE.EXE
4524	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4524	2216	iexplore.exe	82
PID 2216 wrote to memory of 4524	2216	iexplore.exe	82
PID 2216 wrote to memory of 4524	2216	iexplore.exe	82

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\buildcr.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2216 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4524

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
9463c70d54dcaee09c22f46026c6605d

SHA1
133cfc0b49d2c1df87aec590216e4a3734aa66e8

SHA256
c568230e983374acc247c8c429cc7b11cb6fbc909006687380ba020b01fe23c4

SHA512
656cc6e512155e4f183a5eaf903248351c811255e6e7d94210b357facd936df4e42febd8f4fe8deb712fa2b5d1c454a41bde5f8bf500fb6a9e836b8149ee9bec

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

Filesize
404B

MD5
c7e42c17cde5946f57e6db8858208f6e

SHA1
3360497cab1de42cee4f939f7648b8764abe3901

SHA256
597eda4efd08416ea1356a7f4518123962ddd54578bbb146930d9aaea888aafa

SHA512
9f3e272c9d1b77b688acca7275322fd3ea1968e4148369c89689c46a4356a2530fbd91e23873f6d9434a6b7934511199ac5e12d4c612dfbf4fa270162a224b1b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7QVM26BR\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit