hxxp://differentia[.]ru/diff[.]php

Resubmissions

02-07-2023 01:00

230702-bctmdabc81 1

01-07-2023 23:49

230701-3t4bpabb8y 1

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2023 01:00

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General

Target

http://differentia.ru/diff.php

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bbcc4d706d9277469144fa0d79f40dea000000000200000000001066000000010000200000002ac77fbfdfabfcf22860200f0ec8cbbdb82a872f7435c999a407eb7bd625ab1a000000000e80000000020000200000009508e9a4b121e78c78881ed9ee5aac68684390c1a8b2d35bf2cf7e8af98a6c1b200000005fea740c0e305ea8528b9c0d346cee214c6a354b7cb4cfaf9eefa8f5220ea5414000000000d049486b9e54a9b3fe86cf127a56db8cffe279b4700a0ddee5bb1230406bb87bb56768293fb7f9e1f2423d4e9b73cf663ff0df72b7ed8d7e517bbabfad5dc5	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 104e00ad80acd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b07326ad80acd901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042688"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042688"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395024605"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2873108570"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31042688"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bbcc4d706d9277469144fa0d79f40dea00000000020000000000106600000001000020000000507b5c24b9a5ebb0ad5fa55de990c300367df488c89943dc62b162b92c854c88000000000e8000000002000020000000d77c6e6cb28f20758fa8bc11dcfb31c6b4805810909c2f989c10525b23b4373020000000fdf4d799103335eb4f2c7ef56d30470b8970fbc38cb0775d49a2d6e1cebac65b400000003a8a451e473b4f7e46f6ec7dee81f55a7663d25f2543e84466a7e1d519fb76c4d7e07c08608e812b8f9e03482ed8baec1033d7de4aa5f8d7625cacbbe779fc3e	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D6B2A81B-1873-11EE-9FB7-5A9695CC9A3E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2883108862"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2873108570"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4025927695-1301755775-2607443251-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4740	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4740	iexplore.exe
4740	iexplore.exe
2764	IEXPLORE.EXE
2764	IEXPLORE.EXE
2764	IEXPLORE.EXE
2764	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2764	4740	iexplore.exe	83
PID 4740 wrote to memory of 2764	4740	iexplore.exe	83
PID 4740 wrote to memory of 2764	4740	iexplore.exe	83

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://differentia.ru/diff.php
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4740 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2764

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\Windows\INetCache\IE\U74AOVB4\favicon[1].htm

Filesize
607B

MD5
d9fdb2d2f2440ac3c3a0786a83e6b69a

SHA1
7d7735147b217acaa670f7ff6262b70ab7f4ecea

SHA256
5b17494a74770d5abe918c36e8dfc10a4ff0f46451cdbe19d779d19baf8e6385

SHA512
6a82e4fef26c69cfb44205200c42a0994d612c21ad133e0a36da4d10e9d949b648060e178f812ea5dabbbc800eec1404c6c70a8bcab86a82cb4ee6e4d9069ed6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\U74AOVB4\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit