hxxp://outlook[.]office365[.]com

Analysis

max time kernel
163s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2023 14:43

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General

Target

http://outlook.office365.com

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 409f94bcfe63d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "387052323"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c0000000002000000000010660000000100002000000072039eab1a6229468cf98a387bfdc97e43d798645b3b14c9969cb75f3e8b6147000000000e8000000002000020000000e4e8ef7cffa7b270fa3ae4a31c1ad1a8937c4c18b866ad688d8b55abd7cbea3a200000000eb5b8b30fbd14f99814ccb27f86febee5d9bc4966a44d1bf01da0f9407f2f6040000000884191cc64379d3edc3448b8d42f0d0143d035f76fd31d5ef8852584885773bc81ca7b43c713b45efc015839254173cd8fd5b010e2cadf17ecf6abc899b4795d	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2731588042"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2731588042"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40eadeb8fe63d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31024126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31024126"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C677DE9A-CFF1-11ED-9F77-660D1B6B73D3} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c00000000020000000000106600000001000020000000904c3891e8e8f2307605cd2c9daa891b3bc325f77df1ae0dea3578dc637d3e52000000000e8000000002000020000000c368c04eea89239c56c112554121bf163b603aa206421917cca6482ec848f578200000005238fa9dac1172fe56878bf123089874d04959c0824b25cd3cd6117ee4101dfe40000000c9915ad9471b0571225489063b0589677978a01e7e919336831ee0202e9430207e60e77cd099e1ee9be9604389785a338e5f44e2926b182133aa8bc9cc350725	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2156	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2156	iexplore.exe
2156	iexplore.exe
3344	IEXPLORE.EXE
3344	IEXPLORE.EXE
3344	IEXPLORE.EXE
3344	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 3344	2156	iexplore.exe	83
PID 2156 wrote to memory of 3344	2156	iexplore.exe	83
PID 2156 wrote to memory of 3344	2156	iexplore.exe	83

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://outlook.office365.com
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2156 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3344

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
bdbbd793778777706223b00a4ea24ed0

SHA1
bf09527cebe8906bfe6aa1e885bc9fb1b3ec54e4

SHA256
8b1034038298faf34d3f580c1ded7212f40d146de7e62cff20826c8b53f80c36

SHA512
7397d981e28bee91dd0e08c3a38444d8524204118548e8db810f5a277cbb08c20a64350063cf36ee4a943edba249f1d0ed350d4cfbc0671461cf27c2534c1f13

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

Filesize
434B

MD5
80b0cec4446faef1fa36d5f3b3c3cab9

SHA1
efb37860458a12e18d2c3ffea9446b8f992c0317

SHA256
e8e72c9846dedec09701034b17223701649f62f92ab55812c859afeff8f6b4e1

SHA512
2b38f36825d858126e29e049869a8a38ebbf57df9ab43c3cb9fb0768075a6c4aad83a656dd15c7720e24a7413e1b94013e3319d67a7c28ee54f2a89c7886d01d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver5FCE.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\osplltc\imagestore.dat

Filesize
18KB

MD5
c720f1dc595246130312af1c316fcb51

SHA1
b4b1a9a0b32c09ee8a91bc0e8f2620aa33b376ea

SHA256
71dec62872c2152439604f701ed77f28f1089d843bc0a6c0aebdb9e3199be05b

SHA512
966e2f2255e4cdf6cff5c114e69a495d5ddfdb39eb4f54d200d8674d0ff77d2783b33d091859e49c32981f0cbe88e2f79eaea1b463eaaf47c8ddacefc9e94036

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\osplltc\imagestore.dat

Filesize
18KB

MD5
c720f1dc595246130312af1c316fcb51

SHA1
b4b1a9a0b32c09ee8a91bc0e8f2620aa33b376ea

SHA256
71dec62872c2152439604f701ed77f28f1089d843bc0a6c0aebdb9e3199be05b

SHA512
966e2f2255e4cdf6cff5c114e69a495d5ddfdb39eb4f54d200d8674d0ff77d2783b33d091859e49c32981f0cbe88e2f79eaea1b463eaaf47c8ddacefc9e94036

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S1Q31HZS\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\YYL8D8JJ\favicon_a_eupayfgghqiai7k9sol6lg2[1].ico

Filesize
16KB

MD5
12e3dac858061d088023b2bd48e2fa96

SHA1
e08ce1a144eceae0c3c2ea7a9d6fbc5658f24ce5

SHA256
90cdaf487716184e4034000935c605d1633926d348116d198f355a98b8c6cd21

SHA512
c5030c55a855e7a9e20e22f4c70bf1e0f3c558a9b7d501cfab6992ac2656ae5e41b050ccac541efa55f9603e0d349b247eb4912ee169d44044271789c719cd01

Download Submit