92f4be23fd098350031cbe2f661f90c7377d691eec91808636d415b9741b029a

Analysis

max time kernel
90s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2023 18:19

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General

Target

lib/NitroxPatcher.dll.xml
Size

541B
MD5

eedc5cf14768398678b0e33ae76d698f
SHA1

4c4bbe481ebbf2b91aad494ea44e9501ea7b3f38
SHA256

775b821a4b95d9bf45b6f924ad8177808e8c015430f7ec1dd68cf72fec77b528
SHA512

86c768c4710a27b381ac98f1d7a7da574b85a5aeeb949b8e6d01cfd05adff9c179cf0af0bd76e7ad13489156a1e8e400c5bb18152e949af541fef1d48d4d68ae

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31012860"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31012860"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BB2D71DA-A3EF-11ED-A0EE-CA180515AB83} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31012860"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2430129591"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c83c3acc624c3249b4a1efd60bc27a2f00000000020000000000106600000001000020000000ab5a7ddd3461a772127e02c462e992dde226a24eb8500dda45008a603deacff9000000000e8000000002000020000000089ce5fe83826704d54d87fd08aa63bdab1e124d375b317b3eaab3cab688095a200000009d323166dcb8bef5fb864e0550b546f0a818a5b22c1971c2fe6cc4580248006040000000363d9c5aeaece03f5f9c583fdd753a4513b432ed1186462fe3ac08ba74204614c3d4eef0610c1a11f81a4a3d6f8a42a6d410756512756f666a4cec7438d7eb3f	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382213530"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2430129591"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c83c3acc624c3249b4a1efd60bc27a2f00000000020000000000106600000001000020000000d4ad96f4fe81e48ac782c7af66c1cf967cb8e325b14409a2132c20d67140d831000000000e8000000002000020000000a144028c5df5eaffdcf994da1fc50f6ed509d56f443e8ee4927b6cc4c60d2c21200000004fde1c757a6e4530caf02b6acdf5c982a7415601e47f8fcd2f403b10c8f2a91440000000c6703541bd77608b071bba6b58423c034e7716e9b8c2bb3460965b588ce0a563e62785503cb2da6efbc214dd64d5ac9a9f5f5a6d967bd4c7b58334f17b6eae64	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2423723465"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31012860"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6028fa90fc37d901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0b84191fc37d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2423723465"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4404	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4404	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4404	iexplore.exe
4404	iexplore.exe
4736	IEXPLORE.EXE
4736	IEXPLORE.EXE
4736	IEXPLORE.EXE
4736	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 4404	1776	MSOXMLED.EXE	77
PID 1776 wrote to memory of 4404	1776	MSOXMLED.EXE	77
PID 4404 wrote to memory of 4736	4404	iexplore.exe	80
PID 4404 wrote to memory of 4736	4404	iexplore.exe	80
PID 4404 wrote to memory of 4736	4404	iexplore.exe	80

C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE
"C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\lib\NitroxPatcher.dll.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\lib\NitroxPatcher.dll.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4404 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4736

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
ccb3ea965204795878736144d1a57796

SHA1
c74c7a85503f1a1ba0c1876cdeec774aabb3910b

SHA256
09912639ea660c3f744c3d70ee54d0a43b591074ee0bb150e5447fd20f8a4f93

SHA512
16916d8458a84465e7dd6e4af1b24adcbbd3ce830766313f6963fdf7e6ed0c66b76b04636e91b68110e23604833658cc040563d46eda2bca3309fd233cbb1ac5

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

Filesize
434B

MD5
3ec573cb1bc20a68847edfbc6ff40d9c

SHA1
6a30788462cf590ac567a4278e91f8673f619fe0

SHA256
140c44940f9a1d40bb8b9aca3370cf1ca73de929d9e9ac93c85addd2f6564bcf

SHA512
af42d5f66fdd92787deb0a8d7f9eb7370e9a826682a1ebef7a112465ed62561680471a0506f24ecc410c1017fb83d75b5f10c3a663565a1badb51324df46af69

Download Submit
memory/1776-132-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-133-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-134-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-135-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-136-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-137-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-138-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-139-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/1776-140-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download