735cbe02cee5f13171e6ea7558ac32e75ee2c8aa1e79fddf1c724834def0fed8

Analysis

max time kernel
121s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2023 18:39

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General

Target

sample.html
Size

131KB
MD5

57e429f966832244cf9508e96535867a
SHA1

e973da3e248123e6549ad6a80e823206c8d6b855
SHA256

735cbe02cee5f13171e6ea7558ac32e75ee2c8aa1e79fddf1c724834def0fed8
SHA512

f961a511c5817462e200cfc94f48352ad1f61db388d6a07808daf44333a7c3c167f7cdab4925f3afb9e5ffb08bb61f9174625d53c209839ffc5718638ecb41c3
SSDEEP

3072:jIcKkkAu0NVYa/MvP5fwtMEDilLgE1Pc2Oco:jIND5SJ

Score

6^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	1276	WerFault.exe	88

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31070396"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e9837fd1e4a67340aada542b866b214e00000000020000000000106600000001000020000000fd79fd25b3802219096d0e04aaafe33c6af6a85d8c1d2d5d27d695853cb9316e000000000e80000000020000200000009924ffc8d0d43617ce7e1e3aad4d4f6ab5b71fa4ce03247988b3c302e901e50020000000398ee9be520d58dbea0b56ca4e8ad1f5f785aacefed2a914d1604cddb0973be740000000b486dd690beee57a50badf7c85e5bc81e25e1392ca60aab0007045c54f3f9eac25573875f6a997ca1cf661f1573a95250b9059044f1b00a90b4c8eeba5ca7bd2	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1593146225"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 009e5e61bc18da01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e9837fd1e4a67340aada542b866b214e00000000020000000000106600000001000020000000975bfd9190fa15d030d414acb5915249e579e5b609b8070d0d186521b39d2e4d000000000e8000000002000020000000e361889669863408c456f77f7d955306d0472791f95f2e6d4798a9923eebccd920000000dae9b50fe5e3514b87b26e4b0bad0bfa3fc023dc60d83640a1e31a002e7dd103400000007363d6d71e5fd1f039cc5a1c34deb868067cc02f79ecef3a16a69107bc92ba7bedeb5dbdecc0c587e13d9e8072ffc6d60cd3a70568b43518de33fbda023ca2a2	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1516882361"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31070396"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{85EF1119-84AF-11EE-92AA-C20FDDC446BA} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31070396"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "406924973"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1516882361"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0666f61bc18da01	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4300	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4300	iexplore.exe
4300	iexplore.exe
1276	IEXPLORE.EXE
1276	IEXPLORE.EXE
1276	IEXPLORE.EXE
1276	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 1276	4300	iexplore.exe	88
PID 4300 wrote to memory of 1276	4300	iexplore.exe	88
PID 4300 wrote to memory of 1276	4300	iexplore.exe	88

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\sample.html
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4300 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 3148
    3⤵
    - Program crash
    PID:2316
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4300 CREDAT:17414 /prefetch:2
  2⤵
  PID:4908
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4300 CREDAT:214018 /prefetch:2
  2⤵
  PID:3052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1276 -ip 1276
1⤵
PID:3936

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\Local\Microsoft\Windows\INetCache\IE\5FZHGTXM\js[1].js

Filesize
216KB

MD5
eb0890815d6b7806c20ed4e1eb57349c

SHA1
1a2dbe4a8a56541be5dd383e1ca54eb73a0d92f6

SHA256
edc837ff248b032eb1091bf6596787d77c5e1dbec21356f09ed0ef2e956bb19e

SHA512
41ce006ffa7692adb72f18a609024102da1b48ecdef0b371f5fb67a5f8ed4ba53c1dc206bf66d924f17dbf4eb4b0010b96ca3161bfd6fa7a4e1eba69e09ed6db

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5FZHGTXM\js[2].js

Filesize
185KB

MD5
555b41d462368821c7d0b703c6e835a9

SHA1
fcbfb1271dad40f6a2fc7ef40c7d75afa3161e09

SHA256
7220ec17f8384a539af86a7c60c59a30474c5de21826b77d6a3e1d13b9094f94

SHA512
9aec33d8132ced31bf7c9f32a2480572f95d7f417633c52ce8c02db725c0b6d944831d7544812565f2794724837402b67a800f21070cab93f4b96128fd79975b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\ga[1].js

Filesize
446B

MD5
26da5226166e2b35109627fb63cde21d

SHA1
ec6bc7d2868a2448dfad6514141eb1c0e8d9174f

SHA256
118bdfd4efb0bfc2c5c33935249bbe60dda510585ac00deda6100a80c491b9db

SHA512
a165e52525ea226b59e233660aca86a97f0ef05da13341ab0d90895e32f96305c51d8ddc6c469f4d1f15f897d7a50b98752dff4c231b0adadcc9cf26ac4134cf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\js[1].js

Filesize
186KB

MD5
79f8b3d25865ee15be79dcb95fe59cc5

SHA1
06e3d6734b00032e145211cde4e51617cdb181d6

SHA256
3afe2f102375bdc52f2f9f1f919f6daebaa51a1ef959ce33d3b85e4adb88e6d9

SHA512
4fbb9ee2f1237136a5caa8aad6a4d4421d759cf9005d00949b9dd5400e874d1242e6460e958d5db0aaf647492cefc14bcbacfc88a514c1c9736c0b09c61ac2b2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\E51EX1F6\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\FG4P7PGK\analytics[1].js

Filesize
51KB

MD5
575b5480531da4d14e7453e2016fe0bc

SHA1
e5c5f3134fe29e60b591c87ea85951f0aea36ee1

SHA256
de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd

SHA512
174e48f4fb2a7e7a0be1e16564f9ed2d0bbcc8b4af18cb89ad49cf42b1c3894c8f8e29ce673bc5d9bc8552f88d1d47294ee0e216402566a3f446f04aca24857a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FG4P7PGK\ga[1].js

Filesize
446B

MD5
26da5226166e2b35109627fb63cde21d

SHA1
ec6bc7d2868a2448dfad6514141eb1c0e8d9174f

SHA256
118bdfd4efb0bfc2c5c33935249bbe60dda510585ac00deda6100a80c491b9db

SHA512
a165e52525ea226b59e233660aca86a97f0ef05da13341ab0d90895e32f96305c51d8ddc6c469f4d1f15f897d7a50b98752dff4c231b0adadcc9cf26ac4134cf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FG4P7PGK\ga[1].js

Filesize
446B

MD5
26da5226166e2b35109627fb63cde21d

SHA1
ec6bc7d2868a2448dfad6514141eb1c0e8d9174f

SHA256
118bdfd4efb0bfc2c5c33935249bbe60dda510585ac00deda6100a80c491b9db

SHA512
a165e52525ea226b59e233660aca86a97f0ef05da13341ab0d90895e32f96305c51d8ddc6c469f4d1f15f897d7a50b98752dff4c231b0adadcc9cf26ac4134cf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LZ39371N\js[1].js

Filesize
223KB

MD5
e735179899f28e4f03e6afbdcb357a27

SHA1
c5549c9195509211dc679d807ef45db51a04235b

SHA256
a203a7bde6e2b4dd319c9f1811a4b886e31e66a7be09056c13e750cdf13c6685

SHA512
0bb24487e1818d5ba153c04038b1fc11efda2516afb1a48093a456acfc0b9e2361fff34b87665f3f68195a4d8eff0e1b5df37d1ef0d7c7bbd822bcfa0ea066df

Download Submit