hxxps://protect-eu[.]mimecast[.]com/s/tpXHCznN2hJzLnviXcw1c?domain=superbcreationperson[.]tumblr[.]com

Analysis

max time kernel
105s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
27/06/2023, 12:42

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General

Target

https://protect-eu.mimecast.com/s/tpXHCznN2hJzLnviXcw1c?domain=superbcreationperson.tumblr.com

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31041780"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "394634747"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{20AA1D3F-14E8-11EE-BCBE-5A9695CC9A3E} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4114642805"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31041780"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000774e79b91c988e4c8fb9433f502e34ee000000000200000000001066000000010000200000001806e5f4325bbb2741812c9bd437aa461da2450a70cba6857af7f1142761a6dc000000000e800000000200002000000003a559d305cf4f6183f282e6752be1251b1fa2fcbdfd5376461140fe96a3a8aa2000000085b129dce262bcac4baf7128d04e2fea444772b32f1c0540ccbde398ed23f57240000000b164b377b9246fe93c986a78343478dcb6b6dbbc19d77237c58015a4610fa3f170464bc4160853776955bad9b4dd6513d0cad93c30ad928693b597db1fb1b92d	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80c0d0f7f4a8d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4138238836"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4114642805"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000774e79b91c988e4c8fb9433f502e34ee00000000020000000000106600000001000020000000080770c2e4776b31263aa0f8db7dd4bf02852303b3237cf71289b39d2cb0481c000000000e800000000200002000000017a96503b141bc3c154372b8650112b956cefb8c2187e06e4decaee2eb7f30dd20000000e82e84205d52972dc761701b81f8ead7ec2f0d22ce8f98f38d86d2439ec0f1c540000000f2b3d07f4024c11572a7d75c1a6c5d3b64145360cd4ae28cec83c11dd8c67a4b1e08062df7761629eb31c8f192725057cee027e644c8d37fa9f47d1795bda377	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40ffeaf7f4a8d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31041780"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1124	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1124	iexplore.exe
1124	iexplore.exe
4964	IEXPLORE.EXE
4964	IEXPLORE.EXE
4964	IEXPLORE.EXE
4964	IEXPLORE.EXE
1124	iexplore.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 4964	1124	iexplore.exe	85
PID 1124 wrote to memory of 4964	1124	iexplore.exe	85
PID 1124 wrote to memory of 4964	1124	iexplore.exe	85

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://protect-eu.mimecast.com/s/tpXHCznN2hJzLnviXcw1c?domain=superbcreationperson.tumblr.com
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1124 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4964

Network

MITRE ATT&CK Enterprise v6

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\Internet Explorer\imagestore\6nue318\imagestore.dat

Filesize
1KB

MD5
743dca6d6581ee2b25903af40faa58ff

SHA1
92af207a50a763ed75a9f507f34d03abb4d77103

SHA256
89f31c379c6a666902a0c6e7035c7f9e353402196731f84ff0f5c3981f6d5f8a

SHA512
f73e5b3ce94629626b06d1a137a10175ac005b4d6cdc96665277b5fd4f87f7f9585442cc935c6adeb00044c23c14d74e95399aa65c69ed69dcb228b2982b65d8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0C1TF84G\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\369RU2UE\favicon[2].ico

Filesize
1KB

MD5
44385673eef386ec121603cd302fd05f

SHA1
c15a6d61054ffb16d8df4da943b545349fc82631

SHA256
069e8a1e31aba074cc28bc9d6d54c67495bd42a02115dc232be7c8d9f83e40a8

SHA512
e80c43be006b5eeb66f98192b177163e92b75a5cd0aaa880ade24a67db7a1f29a0cb958b158244db47386cdc775dd025e0fc1f97e3d7adcddb76d347f3073da7

Download Submit