45be476ac2e619069661f9bdf5797ffb5c6675ae6c50028013cec9dfdb7bb5ed

Analysis

max time kernel
64s
max time network
80s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2023 19:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

CraxsRat 4.0.1/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
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "230266848"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0e1dd0fac77d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "248861824"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31029164"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80c8e90fac77d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31029164"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31029164"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000010d3bb75b0ea114e9ca1233a5a090b7b00000000020000000000106600000001000020000000e646fe0fe22b1a18ae227e88afb0b4b670d1ec87faedf0e6a94bfd1121e4347d000000000e80000000020000200000008cdea2215c69ec4e89527703d5220b95cc8c77648cc9a8415e79f5ed737e73b520000000633541563865ad95729c11e590cf676af4969e31bc865d89e7731978092a6299400000002e3b1d925865291a7d4cbd1e71c8df04664369c02a2d1125cd977888c8de170e6bb10b43333f677f1b3c46c4c63283c85af67b0d5db49449c7845ce159d8c7d3	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000010d3bb75b0ea114e9ca1233a5a090b7b00000000020000000000106600000001000020000000c2788e2ca10d529b21ac9d35a9c5a6469ef83bd0a0aaf541c26f827932486bd1000000000e80000000020000200000009f896cf75f2cd39e918837851dc32af0f432d93bf49bf8b46dc7fc58b682f8cf20000000b3e75006e5ce1b3879914f5dc48d001ea8d9a839eda46a75883144b990fa3d49400000007836cd019fe5b156149f0f132da30d999c7d0eb3209438becdd0e47dee81ef7860ddd6afee31b1e0ce33ef7791c1ecc7337adf09d2424cb8662534705a70c6e2	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{38DFFCE8-E39F-11ED-8FFF-7E7B9EA57A36} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "230266848"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4456 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4456 iexplore.exe
4456 iexplore.exe
1576 IEXPLORE.EXE
1576 IEXPLORE.EXE
1576 IEXPLORE.EXE
1576 IEXPLORE.EXE

pid	process
4456	iexplore.exe

pid	process
4456	iexplore.exe
4456	iexplore.exe
1576	IEXPLORE.EXE
1576	IEXPLORE.EXE
1576	IEXPLORE.EXE
1576	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 180 wrote to memory of 4456	180	MSOXMLED.EXE	iexplore.exe
PID 180 wrote to memory of 4456	180	MSOXMLED.EXE	iexplore.exe
PID 4456 wrote to memory of 1576	4456	iexplore.exe	IEXPLORE.EXE
PID 4456 wrote to memory of 1576	4456	iexplore.exe	IEXPLORE.EXE
PID 4456 wrote to memory of 1576	4456	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 4.0.1\CraxsRat.exe.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:180

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\CraxsRat 4.0.1\CraxsRat.exe.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4456

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4456 CREDAT:17410 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1576

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
c21af60a56cabee014f0bddf486296d4

SHA1
3b143b356aed0ab3e9a73843ea221e1cab819310

SHA256
3b8e9be80c68a0e4dda4cf30205638b58d2f055700e2cb131351ff9663cfa787

SHA512
9546c265eb771109b5fc39fd85da02be4b653180c2a1a7b43428fbaead7a8286ecfbe801dbffc8fd3fe58193803699128efcc3da633614396e6da85f1fee61e2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
404B

MD5
8ff0cfc983f1ec06a6ad66f948698907

SHA1
f015dcfc4cd38568830f1fbf97b894394fec9808

SHA256
5e32d91f2e135a9e34aaa171982684766a03f63d08dec9f9c6cd5178a1442de6

SHA512
dd121eb1b120f8c692f726d1cb7895bc7b222c2434883181e69ac901be1902e356a8d33670fe8c0f09f6d9664edb04ce9de67fa4a6542b4a901b5d0ca8dc0480

Download Submit
memory/180-133-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-134-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-135-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-136-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-137-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-138-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-140-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-139-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download
memory/180-141-0x00007FFF16870000-0x00007FFF16880000-memory.dmp

Filesize
64KB

Download