977ce36a053ed9f0a1bbf031f81629e1c7c8bc864e8255e25ca15a7eb625930a

Analysis

max time kernel
59s
max time network
77s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2023 15:11

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General

Target

craxs/CraxsRat.exe.xml
Size

7KB
MD5

dd5a0508827ec5ef25064c18fbd73c79
SHA1

32f9a8803107d28418437312fd0e52e564f0f753
SHA256

fdd077b07e6edd22678b2a29beee104daffdf56d545bbae1f39c632208a61d74
SHA512

6fa7e2407b412e471c42162d460625e17a7dc7b76b0a236db1746645f75cf38806026f1084b254da204ce149e960da1a7897e472c58fe71151435fb94ae012e6
SSDEEP

96:ur71tp7K0rjtHyZ90nDP9SbujEBKgFAnuAnznVuupxZAEcHn4abLQAntYIWVv/xb:ur7rp7vrjaHyv

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3993353156"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31020486"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a062d0eec655d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{182F6844-C1BA-11ED-9F77-4221DB3A75C8} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c00000000020000000000106600000001000020000000a31ac31b491fd0da415bd6595025b9bebd25dc468ec5718ede1b3e9e8fff4a44000000000e8000000002000020000000ec074cb5e658253389410f71d51564acdc5f05cb927bac687b9542dd7a2da8df200000002d7fa03c4a13a574eb50c2f3b62e47e015fe71e5b1187b2d95a8b969aa32581b400000006c2fa2b9b9ae539af4e341cfa46de62759d65af5fb092d8abaa4be5441f2e5c7a71dd000c21106701b125f41a5dbb4a1e0224e5555cb421e14ff3e40a1cdd648	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31020486"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c0000000002000000000010660000000100002000000099d69d88ac25e62c2df7a04338442e1d65bfa6263ab0fe69f73d8174b7081939000000000e800000000200002000000068c7432b0ad5c557367d22170873703d62b5607a094d169ecb1ec5d8c65160842000000000b99b69f68fbc56a1668e5a10e7c2addb4eff1b2c83b28ca3fd9a993690e8324000000059a7778d3b20061c2b0cf47c40f8aeef1d216194821863c9d91fc282d5fa1e09d4937a9264e597561db73edb0dde5843c90eca5ca71f0df6c754a02c0f2d1c4a	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3979603858"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3979603858"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31020486"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 7093deeec655d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

5000 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

5000 iexplore.exe
5000 iexplore.exe
5096 IEXPLORE.EXE
5096 IEXPLORE.EXE
5096 IEXPLORE.EXE
5096 IEXPLORE.EXE

pid	process
5000	iexplore.exe

pid	process
5000	iexplore.exe
5000	iexplore.exe
5096	IEXPLORE.EXE
5096	IEXPLORE.EXE
5096	IEXPLORE.EXE
5096	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 380 wrote to memory of 5000	380	MSOXMLED.EXE	iexplore.exe
PID 380 wrote to memory of 5000	380	MSOXMLED.EXE	iexplore.exe
PID 5000 wrote to memory of 5096	5000	iexplore.exe	IEXPLORE.EXE
PID 5000 wrote to memory of 5096	5000	iexplore.exe	IEXPLORE.EXE
PID 5000 wrote to memory of 5096	5000	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\craxs\CraxsRat.exe.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:380

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\craxs\CraxsRat.exe.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5000

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5000 CREDAT:17410 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5096

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/380-133-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-134-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-135-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-136-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-137-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-138-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-139-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-140-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download
memory/380-141-0x00007FFFA5170000-0x00007FFFA5180000-memory.dmp

Filesize
64KB

Download