92f4be23fd098350031cbe2f661f90c7377d691eec91808636d415b9741b029a

Analysis

max time kernel
91s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2023 18:19

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General

Target

lib/NitroxServer.dll.xml
Size

1KB
MD5

6c78c2e8b9fbfb36f7a32c5ff3438dfe
SHA1

edb1bc3b68ad55bdaf33aab4ecb2dae212aaf88d
SHA256

cb614c1cfc8669b87de23146f99c4b21df5acf77efb72b9f973009f17e47efe8
SHA512

c7ab31011b884d8a68b596f8ef8c5bce513c9012d985ec84483082c88ebb56445ed0a8bd74a8ea3dd408109313aff3038470f5a6e86c784b2e53b21cb84ca8e7

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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "9748470"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e6851ef31fd3cf49b332bbb4721c974800000000020000000000106600000001000020000000c9e443e6699ef67803fdc3565bb57cef0001a70ac64044d593a345746247f2ff000000000e8000000002000020000000178a3ebf86d7a6dd61b7b66fabedbde4627be8043f97fc244a2a110c5fc1010a2000000044f2ff23122391026d262222e0dd4bbb903d48839edc2695213ad9fdaf657322400000001703fca38a3f3814887dc147d5fb58a54657b8aad094e708d093f27d6845385f383d8e769559b88ad6ddc41a7192e2be028a567db33d36c86bfee76a758d2fd1	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e6851ef31fd3cf49b332bbb4721c9748000000000200000000001066000000010000200000008a4ae5c465b58c6820c00cd708fa75be0de85ced32b8551fe1fc526c88a5664c000000000e80000000020000200000009fbb6395ceab0aba67993fb614965ad3200c505c513dc54be8abfa39f205df9d20000000c731f21cdb5db028cf3a21f014a584849d04c45f31cd6ad9c20a4d3e1b47b7e940000000ba913fa4300e74f1f7e43bb209d620960c972f2afeed42b32070c8c00e4c47f12d05e21711760c7f5bf8e9f6b0b1b24ee94683ca0ccf7a85c79bbf87708da083	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4282214699"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31012868"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b081f8030538d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2A44D3DD-A3F8-11ED-919F-5695DBFAB5D8} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0fde2030538d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31012868"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31012869"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4282214699"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382217154"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4868	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4868	iexplore.exe
4868	iexplore.exe
2456	IEXPLORE.EXE
2456	IEXPLORE.EXE
2456	IEXPLORE.EXE
2456	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4868	4708	MSOXMLED.EXE	80
PID 4708 wrote to memory of 4868	4708	MSOXMLED.EXE	80
PID 4868 wrote to memory of 2456	4868	iexplore.exe	82
PID 4868 wrote to memory of 2456	4868	iexplore.exe	82
PID 4868 wrote to memory of 2456	4868	iexplore.exe	82

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\NitroxServer.dll.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\lib\NitroxServer.dll.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4868
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4868 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2456

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
fb5b6c25ad23307ae9f702cfddb7184f

SHA1
64ce066f1a4b3b845e3917f5d59adbdb92cc9317

SHA256
753e15ad4539f12da15cd4df1117d64e76c932e8b823546b6c5fadaaeacf3a17

SHA512
2b76b1def43576bcb6b38261c6c0c4071dd785f80f344ac5e264746b1d4b9115f54d9b60c30e979d3b5296c4c5fc944d403482f9494bda8753959e52ed20363d

Download Submit
memory/4708-132-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-133-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-134-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-135-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-136-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-137-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-138-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-139-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download
memory/4708-140-0x00007FFE8F650000-0x00007FFE8F660000-memory.dmp

Filesize
64KB

Download