hxxps://mandrillapp[.]com/track/click/31047859/myalumni[.]mcgill[.]ca?p=eyJzIjoiNUxZX3ZaZ29fY2xFVjdNNmliVGdxX0RXTlZzIiwidiI6MSwicCI6IntcInVcIjozMTA0Nzg1OSxcInZcIjoxLFwidXJsXCI6XCJodHRwczpcXFwvXFxcL215YWx1bW5pLm1jZ2lsbC5jYVxcXC9yZWRpcmVjdC5hc3B4P2xpbmtJRD04MDU4OTAmc2VuZElkPTIwODY5OSZlaWQ9MjI4MzAxJmdpZD0yJnRva2VuVXJsPWh0dHA6XFxcL1xcXC9EY2NjZC54eXotd2VsbG5lc3MuY29tXFxcL1MybHRZbVZ5YkhsR2JHRnVaR1Z5YzBCa1kyTmpaQzVsWkhVPVwiLFwiaWRcIjpcIjA4NWE1YTU3M2RjMDQwMmY5ZDE2MzhjOGQ1MjllZTQ2XCIsXCJ1cmxfaWRzXCI6W1wiZDU3YjQ5NmYwMDA1YTY3YTM1YjIwMDQ1MzhkZGEzNWE3ODQ3MDg3NVwiXX0ifQ

Analysis

max time kernel
39s
max time network
42s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2023 19:48

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General

Target

https://mandrillapp.com/track/click/31047859/myalumni.mcgill.ca?p=eyJzIjoiNUxZX3ZaZ29fY2xFVjdNNmliVGdxX0RXTlZzIiwidiI6MSwicCI6IntcInVcIjozMTA0Nzg1OSxcInZcIjoxLFwidXJsXCI6XCJodHRwczpcXFwvXFxcL215YWx1bW5pLm1jZ2lsbC5jYVxcXC9yZWRpcmVjdC5hc3B4P2xpbmtJRD04MDU4OTAmc2VuZElkPTIwODY5OSZlaWQ9MjI4MzAxJmdpZD0yJnRva2VuVXJsPWh0dHA6XFxcL1xcXC9EY2NjZC54eXotd2VsbG5lc3MuY29tXFxcL1MybHRZbVZ5YkhsR2JHRnVaR1Z5YzBCa1kyTmpaQzVsWkhVPVwiLFwiaWRcIjpcIjA4NWE1YTU3M2RjMDQwMmY5ZDE2MzhjOGQ1MjllZTQ2XCIsXCJ1cmxfaWRzXCI6W1wiZDU3YjQ5NmYwMDA1YTY3YTM1YjIwMDQ1MzhkZGEzNWE3ODQ3MDg3NVwiXX0ifQ

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C960858A-FA7C-11ED-BDA1-DA4DA442263B} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dda575ab9a32464a94b16e264785df5f00000000020000000000106600000001000020000000973ef5888f383a9c4a58486bc2024050e7ca29837e7fa317c8d6f46321b944f2000000000e80000000020000200000009c2b7de3ea9744d7f1eb31d82a9a0eaf36add80a627bc1a6acc0907fed45a8bf2000000030c2a5b89870ec396f64294fcd134fb6a790eb7df06df60dca1e7893d2e25b6a40000000aa623d099d00df95c3bfbfdb704def0bab715cef57d9a1fcc495f0e63dfb3aa8f8d6db3beb088816b123f4990525b1bd412012e80273c7416a1ed7e3683c8cdc	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31035017"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2657086194"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 3048c394898ed901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2704126466"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31035017"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4009339a898ed901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dda575ab9a32464a94b16e264785df5f00000000020000000000106600000001000020000000fca5dbaada511c1898878eca281e3142322a8274b5fadf024b75a6d7d11078df000000000e80000000020000200000002fda8de7174ad2bb128a0382091b4145f2212bae425c03ecbdf67a6ef3b3d0112000000034d6e32b75785b402c3ed607cd56295fe174e5f91893993d27027dc64f724c6440000000dfed5541b451db552b37f8e06a7a28bca8d6d73bf2221d7aeb16f40aac149cb0cf33bd3ba1f1fbebef45773fc6e8d29439b4c5bb418cf8171b11dd83e8cbbb3f	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31035017"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2657086194"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4952	iexplore.exe
4952	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4952	iexplore.exe

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4952	iexplore.exe
4952	iexplore.exe
3816	IEXPLORE.EXE
3816	IEXPLORE.EXE
3816	IEXPLORE.EXE
3816	IEXPLORE.EXE
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE
4188	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 3816	4952	iexplore.exe	83
PID 4952 wrote to memory of 3816	4952	iexplore.exe	83
PID 4952 wrote to memory of 3816	4952	iexplore.exe	83
PID 4952 wrote to memory of 4188	4952	iexplore.exe	89
PID 4952 wrote to memory of 4188	4952	iexplore.exe	89
PID 4952 wrote to memory of 4188	4952	iexplore.exe	89

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://mandrillapp.com/track/click/31047859/myalumni.mcgill.ca?p=eyJzIjoiNUxZX3ZaZ29fY2xFVjdNNmliVGdxX0RXTlZzIiwidiI6MSwicCI6IntcInVcIjozMTA0Nzg1OSxcInZcIjoxLFwidXJsXCI6XCJodHRwczpcXFwvXFxcL215YWx1bW5pLm1jZ2lsbC5jYVxcXC9yZWRpcmVjdC5hc3B4P2xpbmtJRD04MDU4OTAmc2VuZElkPTIwODY5OSZlaWQ9MjI4MzAxJmdpZD0yJnRva2VuVXJsPWh0dHA6XFxcL1xcXC9EY2NjZC54eXotd2VsbG5lc3MuY29tXFxcL1MybHRZbVZ5YkhsR2JHRnVaR1Z5YzBCa1kyTmpaQzVsWkhVPVwiLFwiaWRcIjpcIjA4NWE1YTU3M2RjMDQwMmY5ZDE2MzhjOGQ1MjllZTQ2XCIsXCJ1cmxfaWRzXCI6W1wiZDU3YjQ5NmYwMDA1YTY3YTM1YjIwMDQ1MzhkZGEzNWE3ODQ3MDg3NVwiXX0ifQ
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4952 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3816
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4952 CREDAT:82962 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4188

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\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27

Filesize
1KB

MD5
193dfb673cd9fca38d4de32acb04d94d

SHA1
e1501e520919814d52a176a38258260b5cb2f189

SHA256
b37c58d2e2d4714091cabfc912fe445f07bc308d178d34252a225e952ab944a6

SHA512
b0d52ec51bff7de0039559212856c16523968f95e7a05309f7919ebdfb6916fea7cbf721c59e32ef1e66002cb4389e3ca061d7c54b5f17704d4b5c37131783a0

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

Filesize
471B

MD5
3fbb8ee33354096d9f116c557a402d14

SHA1
f75756c42d45d1047eb04fa54bd7702f5560df4b

SHA256
13e2696561dd0955e1d61f7e18166c8bd7a02faf1dbfe04e738b5d68cc2ca57e

SHA512
cc21e56f9278282b3c15964b5618d42bdfda83b245d7bf01d12550aabd69a9747d1deaa5a9a9830e6d6a47465f580e21e0a7621cf992b56244ad4bee8779c338

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_28DEA62A0AE77228DD387E155AD0BA27

Filesize
438B

MD5
784189f34d27557e23ab4f5c0653989a

SHA1
03cc8b2e61413eedda490cbb28b5db4fd014ea99

SHA256
da04abd7f5c5e4c281c8b30b8583476d94a55ce74b9894c1e11bc0b8168a818b

SHA512
68707c7c7448501bce92150aa53f0b94260c3b9c671fce73e490e77738556fb9b3c71bfc8f4edba48cbd0b75da89de5ad951a4f704ec046cfbc42d83522768ac

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

Filesize
404B

MD5
eba030abb94cc8f88330ee1047725295

SHA1
3e2cdcaca7902d45e47d73277c1b46f9e89185a1

SHA256
64c2e0a333e787c4013f109325bc7cf56fcbc6ca2d74dc71a89d98b51f2243c0

SHA512
1a06845685b5ea834870b93f3c4b9edbf015efac20113ce8b85552ea17e122569f680ca97124b68aa260f58d0d0f4506bdba8ac56fe7f8b39765de996157fdd4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BMP3ERH\challenges[1].css

Filesize
6KB

MD5
2c78b7f8fa496092bf41d5edd51611e7

SHA1
8b0b1b276e8194b0a5497db478ec2ea9b4f83c42

SHA256
2b0bd09c1cc7119d27e45353a59bf6c2721563e1689853ff704057a7439508d2

SHA512
53a7750ea46082968c2ec557857ad3975cddb0b45595259f0f3e9fc16360b87c5f257e058489ecaf80e61a97f92f1c5e34fa2f6fcfe922f4ae22392ffd75b4da

Download Submit