647eb6eaa239f8e109c3ad6ac9a92d4b25f05ee0ded5ef7717aea4e0b430adf3

Analysis

max time kernel
57s
max time network
63s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2023 03:27

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General

Target

CraxsRat.exe.xml
Size

7KB
MD5

f87638ec318fabd7471dcd13057408fd
SHA1

d948d6ce8091f3a4e82a261be01e41146d86d09e
SHA256

ffce1e0cbbc9efb406b2ac43fcfdae3d6b3cf7b77195649cf416c35bddaddf3c
SHA512

1c674b715926bb0f645e4f2b8647dc830463f45f9f2281c6cdebf9d271a7927af52c2cf00e7259c3455fc798b95b2d05d1a034b8b862ffbed3b400562e68c525
SSDEEP

96:ur7V7KorTZHyZ90nDP9SbujEBKgFAnuAnznVuupxZAEcHn4abLQAntYIWVv/xWpA:ur7V79rqHm

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C8993E57-E717-11ED-9EF6-4E963766237A} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2644829713"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31030052"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 702a13a0247bd901	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000016b1b6fc7cfc59429b2ebf78760d5fe300000000020000000000106600000001000020000000a853ac8850ef02cdd9bb8565b4972d8651cc69f01e9e6abbfceba5a1d51da32f000000000e8000000002000020000000427a868983e3a21b8e4a02b12bc0ba58fcc3cdd0b732de1cb7f3b469eb2da71620000000fb6db72bf82a4f833e9e6bf7408bf6349d6a894bf597caaa64deb28867f0345f4000000077973e576be2099559dda1502c8d5963ad94461f7e9ff5119d3a8b4da02af42586a2e5f4b2a4a619fd02ef0afdf09dcc9d7babb907eb1f3ba2b42a1304599109	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000016b1b6fc7cfc59429b2ebf78760d5fe3000000000200000000001066000000010000200000005067bb5d7b06af7e03611781ce0532969e04e58a6d86bd60b9609c58780bce1e000000000e8000000002000020000000e65c389107cd95e68b978689f3a7475eca671a8ebb1d2817a340200b9d5b6e4d20000000530338f3c6d6ffa64467f6594ec3a72290c699de87c73a6726753a7c8bd5b0b7400000008f3be3c1adf0bde4082beb7d317532f18deeaaa599c713c718df7b7b3b448ca2f5ef677ef8ce3e200cbe3383b56357b646b7f4a197686883cd1e649daf2003b4	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50111fa0247bd901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2644829713"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31030052"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2592 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

2592 iexplore.exe
2592 iexplore.exe
4044 IEXPLORE.EXE
4044 IEXPLORE.EXE
4044 IEXPLORE.EXE
4044 IEXPLORE.EXE

pid	process
2592	iexplore.exe

pid	process
2592	iexplore.exe
2592	iexplore.exe
4044	IEXPLORE.EXE
4044	IEXPLORE.EXE
4044	IEXPLORE.EXE
4044	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 4592 wrote to memory of 2592	4592	MSOXMLED.EXE	iexplore.exe
PID 4592 wrote to memory of 2592	4592	MSOXMLED.EXE	iexplore.exe
PID 2592 wrote to memory of 4044	2592	iexplore.exe	IEXPLORE.EXE
PID 2592 wrote to memory of 4044	2592	iexplore.exe	IEXPLORE.EXE
PID 2592 wrote to memory of 4044	2592	iexplore.exe	IEXPLORE.EXE

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\CraxsRat.exe.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\CraxsRat.exe.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2592 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4044

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
7f70a54137092435bda90c0bd7e6aef5

SHA1
1c76600795c99c8c1fc155ba7e3e1b00f8556be2

SHA256
e670ac4c955a8fc574232150ec0d156c797556df227751106b5c46a6391fb1e9

SHA512
eef5b4bee65abcbc16a98d71f49c8d7834311728b23ba9fd437061a6c00fe6e7c8a1f42cdb37476c48e2a2c35ae5a65ea9f3d709681900a767d3f67acd62ffba

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

Filesize
434B

MD5
fbbade6d2cef3bd999c00bd875195b5c

SHA1
e89a3b0592ed23908814d565835330f79d288a1e

SHA256
dbac66efb4174feb14ccd35139244d35c12d0e20a789b1627cbaf632b5a38136

SHA512
ba012666c982c93c4c32cbdb40dc9f7efc7f2846457ef977e8e2aa11eb348511df49897d01dce0cd770d4766495b90014f0f1b550140e16f4af9acb03dfef367

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1B29.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
memory/4592-133-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-135-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-134-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-136-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-137-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-138-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-139-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-140-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download
memory/4592-141-0x00007FFF193D0000-0x00007FFF193E0000-memory.dmp

Filesize
64KB

Download