107227267866b0aea191335c80b3a9b9bfc4bd9d7270fd5933b42cf18e8d8667

Analysis

max time kernel
91s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:07

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General

Target

Bv9ARM.ch03.html
Size

44KB
MD5

be9fab207ca936a86d43011754d97d80
SHA1

687129c44f5a5ab21a837cd8eb1ded3a819ce814
SHA256

9e31c00a91164459c3b589d4b92773a498b68242043d9ef6a5d60faab398e171
SHA512

665ed4e8ddb4aac61dd69b40dade656e84ce9a01a4cafceb96c233cfd6335dd12a25f62b966173a820b6f730dd6b012f747d26f123b52bf44939c96e181de8b1
SSDEEP

384:byvOkdYSe/tRfYLxcIbdjSO7vzpkjLTq7af8GevMfMCDg7FIR8A4q/h+w8zbYG7B:b0OVtgxjbdjxvijhf8Ge0EKgSptURCg

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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80e97c02e311da01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\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-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0027102e311da01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4279368207"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31068642"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "406171904"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "495053"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31068643"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a786c536d7cd7e4ab8c0af0cd6cbb43000000000020000000000106600000001000020000000d6de85cd081fb77cd82d06c50c9acd5719e45bb2f1cc8c2c1213f4082217b614000000000e8000000002000020000000b2e7e00962c2318fa9ea565d3e7154b7cd1fb4a802552d70b96752d1db2758c920000000abe2ec7b18dcd304643a799f59728473f2eeade37252e99f274687f4ec2bf4a340000000d437593bdedd00797e85f40e8bce14acdaf1c1d51f88a5bffcc495efac6ee75d8c8de0ad0ca569b20b9453874baf3d979d1634d898863121b2f3c48a870a47dd	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a786c536d7cd7e4ab8c0af0cd6cbb4300000000002000000000010660000000100002000000065fb11282e12aa506bb0e771187bf73b222c133bd3d8bc4e1a1ebb054c60bbeb000000000e80000000020000200000009dd9158960a743a29e45cb340d0b5fdaf5982bb7b4048296cbaf0e7718cecc65200000000982e08da14fefb6d8505266b46ef90066314bc36dcd4c3fd38ce63364de41524000000074c17ba66870ebbb35fcdc7b9846369d60f7a29a346ea5cd4d38b05ce902eff36d2079cd137a74b22ea95dd11ac4be3005812afa421d7eda0e91f38d76880013	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4279368207"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2A9A74F4-7DD6-11EE-AEA7-E2134A816827} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31068642"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3720	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3720	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3720	iexplore.exe
3720	iexplore.exe
3228	IEXPLORE.EXE
3228	IEXPLORE.EXE
3228	IEXPLORE.EXE
3228	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 3228	3720	iexplore.exe	84
PID 3720 wrote to memory of 3228	3720	iexplore.exe	84
PID 3720 wrote to memory of 3228	3720	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Bv9ARM.ch03.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3720 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3228

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
55bc67a56fc6d6254e31a58fe7aba71b

SHA1
5f92bbf8449bf211deb3565aa7fe23ef3e1c2810

SHA256
43d01947411625de3bb8ccfc3e33e4e656a17ec112f2c0e6b598bbd655f54d61

SHA512
1e88826e983c69f46e3357ad1c0978ff4a411c9c6df4cb7789a59d6cd330ee6e4512522df88609b66f34ff187048dd695c6a5283b2403b7df89d93f1ce09a27e

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

Filesize
404B

MD5
8e9aedbe5e351a02bd6da874c529f4c0

SHA1
6649a0b4fe41404b8ff1cb05dfe2aa94317272a5

SHA256
1543b722d68ac7de0682d6db9a83dc80424edfe2f6172698423d8080cb6cfe0a

SHA512
e03bca11559b3ca1c14fd6c949a7dbe80609326dc7c7297882eb8c415b251469b4a61a2886c0e9406a409c69b9e6496a1bbfbcb266a2d193fa2378034085456a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5T0U3BIO\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit