5d4f1abf1c284fc157c69be9b1e78014885fdd3d9b8980ec14bbbd70b94f8e69

Analysis

max time kernel
135s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10-06-2023 23:11

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General

Target

FireSheet_01.xml
Size

202KB
MD5

67630fd426489c25e4f0152eea5667a8
SHA1

8276316ece43e3814a1b00e992bb3981d8bc9613
SHA256

7e38ba081b2c63e88656a3d6ed2c72260ff3c66483a29ad94f3e9a52cfc6a2ad
SHA512

175ee4505cccd736ca0a8b2fb451dcf9ef82b88f3df8f3238b2ba5ff66a235629f87eee577b27e69a1c22349e9bc5739e5af6983db65743238ebd67cb4258971
SSDEEP

1536:N/nPQ9RuUIn7Czlz7rELNxtD+ccHhWvAvOA/lgdjdhdFd1:y9RuUIn7Czlzt1HwvsOA0

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	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\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	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 (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000790dba517d1c2848beaa7caef0d39bb40000000002000000000010660000000100002000000081e86383a1d255330be1991d48918132104fd5699117e36831a701cd31457faf000000000e8000000002000020000000d3e3ed3eaf7a0786661e283095c11b558166143302c7f0c4bb89f30cfd36e315200000002fe267bbc69a75f9d2af68751707b0bad3bff289b2977007e5dd39898744333440000000f070d6560c7236753686f9b43a466e73ca474f8f95dad89825e617a8908bc5506a76d943a29db52635aeaf386ad9707f4bf27bc60284baea7d4322d8db53413a	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "393203776"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{63871EF2-07E4-11EE-9EF6-4221DB3A75C8} = "0"	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	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 = "952268790"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038449"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90e5af3af19bd901	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\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f0308c3af19bd901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "952268790"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	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\FullScreen = "no"	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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31038449"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000790dba517d1c2848beaa7caef0d39bb4000000000200000000001066000000010000200000005626d452c26909ad0f5861031f66011fd84412d121428d1c3a25cb5468155315000000000e800000000200002000000007afe1eb563e45ca29e5ac48b7b45159e49e5271faf01f05b8063c7f2a25ab9620000000bcb2544d5d0f87f0125343fafa9d409a4371d0328d477921bf7e95d16caa3e3f400000008ee46f071dbff2833a691c2d848df0596847e9b2ed35e96e1fdaa33b89b3f9eb2cdfc627cdb0ff0a2b5987e536b0f6802deac3f33609b7eeabfa968143f6dca9	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31038449"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	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 = "968677230"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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
Key created	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

1944 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1944 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1944 iexplore.exe
1944 iexplore.exe
1504 IEXPLORE.EXE
1504 IEXPLORE.EXE
1504 IEXPLORE.EXE
1504 IEXPLORE.EXE

pid	process
1944	iexplore.exe

pid	process
1944	iexplore.exe

pid	process
1944	iexplore.exe
1944	iexplore.exe
1504	IEXPLORE.EXE
1504	IEXPLORE.EXE
1504	IEXPLORE.EXE
1504	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 4228 wrote to memory of 1944	4228	MSOXMLED.EXE	iexplore.exe
PID 4228 wrote to memory of 1944	4228	MSOXMLED.EXE	iexplore.exe
PID 1944 wrote to memory of 1504	1944	iexplore.exe	IEXPLORE.EXE
PID 1944 wrote to memory of 1504	1944	iexplore.exe	IEXPLORE.EXE
PID 1944 wrote to memory of 1504	1944	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\FireSheet_01.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4228

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\FireSheet_01.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1944 CREDAT:17410 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1504

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

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

MD5
f555af3f1b663a55df56040069b6097b

SHA1
ac566b3ec3882b349616e37dcce15f1470496361

SHA256
e9a0504f3aaee42e85baf24a611a6c237ba0de8c974cf2cb0b9f26913e445d5a

SHA512
8fca6bdd6356875a5e21d988cc809e6d062c1ee3271293f837968138fc4f302c5457707c4152a62b1ab8469c01c90d4dcde80bdbc210541ef12d151ff6edf1c2

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

MD5
e5d8194dd99c84cc7dfc87a6daa041bb

SHA1
e7587cff7c4170e3e05e1f4208c2e1b718ddcb26

SHA256
d8cf84f040a845b2a2411375fb6bd0f34f8bb2a30d96393675a7267bf3fb5228

SHA512
b730d02fc6f3fc1bf74a7ddeb5b70e3bd4e7146752a892e2b5e0df59a5b389cb113705c6dff498c62b0ba3f15ff2b739633728d90ea97aea42b7339f4e4db414

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8OI4IV75\suggestions[1].en-US
Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4228-133-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-134-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-135-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-136-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-137-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-138-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-139-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-140-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download
memory/4228-141-0x00007FFB517F0000-0x00007FFB51800000-memory.dmp

Filesize
64KB

Download