hxxps://deref-mail[.]com/mail/client/mbjcFpumkc4/dereferrer/?redirectUrl=hxxps://wetransfer[.]zendesk[.]com/hc/en-us/articles/204909429?utm_campaign=TRN_TDL_05&utm_source=sendgrid&utm_medium=email&trk=TRN_TDL_05

Analysis

max time kernel
104s
max time network
146s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-02-2023 10:58

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General

Target

https://deref-mail.com/mail/client/mbjcFpumkc4/dereferrer/?redirectUrl=https://wetransfer.zendesk.com/hc/en-us/articles/204909429?utm_campaign=TRN_TDL_05&utm_source=sendgrid&utm_medium=email&trk=TRN_TDL_05

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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000071d8f5cbec35cc4f8ecaa8827663a1d3000000000200000000001066000000010000200000004a92e4dbf4bb3a1e3cf6ea153cd21f3020a228b17fa76b4915d761d90be4606f000000000e8000000002000020000000d935af17d254c04fdf01550c385ccc7911227e85ef3ea0a3f694c8c6857f8db12000000072663ccec4c4a4ea30c6afc957a2ff8214e759a4f53d5c42f5ae27193ebe7dd84000000097514f8955cacf1e09039947fe0b673137a0e4ff29c9e91b6530e5c0cd110c159835cb04ce561e57c594f4e66ec28348955bf38ecc45836b10f9594346275d67	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80f2a7bd3436d901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CBC75D11-A227-11ED-8FA0-42A98B637845} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382017712"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1360	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1360	iexplore.exe
1360	iexplore.exe
1948	IEXPLORE.EXE
1948	IEXPLORE.EXE
1948	IEXPLORE.EXE
1948	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 1948	1360	iexplore.exe	28
PID 1360 wrote to memory of 1948	1360	iexplore.exe	28
PID 1360 wrote to memory of 1948	1360	iexplore.exe	28
PID 1360 wrote to memory of 1948	1360	iexplore.exe	28

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://deref-mail.com/mail/client/mbjcFpumkc4/dereferrer/?redirectUrl=https://wetransfer.zendesk.com/hc/en-us/articles/204909429?utm_campaign=TRN_TDL_05&utm_source=sendgrid&utm_medium=email&trk=TRN_TDL_05
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1360 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1948

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
340B

MD5
1812b59b5f3452dbbcb68ba8d78eeef9

SHA1
9dac609154d0f4566b920b2a9ba3cd3034ca6974

SHA256
ba94b956318c7382eeb1919adcf058f89b7617937605c6701db89c04ccd6cdd2

SHA512
6022351ab2324e509ea107e616268f92945642e07ba8aab94020643c331757108b6c94c6f65e200697cabc1ee46a5b41e386a11082398301fd71136215d60a2f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\KV7OXP8S.txt

Filesize
606B

MD5
a665201ef427960ddfd11702828de5cf

SHA1
efc658cc8dd17868592e0bd0f802c6633bf2532e

SHA256
84f2b8911e06a39a73f1054e62e7bb1f3ccaa99478fd386838da0bd9c76fa2a8

SHA512
ab8091eed5e9e8d8612420f991b8d2011923feb6e7411f53f9467165c5a9c4cef72d0ef14aa6ea81a8fa7acd53a45224122e4c977b9f577e732c2d04471010cf

Download Submit