7917dc11a225990069364b7e1fb64f9a7f4510c3cf0cf0a097ef4295eba452dd

Resubmissions

14-12-2024 23:05

241214-2211vsyneq 10

14-12-2024 23:01

241214-2zqr4synbj 10

Analysis

max time kernel
143s
max time network
145s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
14-12-2024 23:01

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General

Target

876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe
Size

749KB
MD5

1eac61ee26db9242ba47437a027c47d4
SHA1

3a465cb953a62c6c2dd2dc61c9f874c6ad7d8e8c
SHA256

876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b
SHA512

b5966deb188881b3d1fd19f911601e451f2126b757c1341e41048cb8dbd990c411fa8815f0610217a1fd273d193cd3f9c2f199ecb02295d28ca6eeb429f88eb4
SSDEEP

12288:ZwtTSWbZzmK1tl8gBVkj6VNQJsojXXKI50XZo/6N3VG:Zwt2WdzxfmVjXr6Zz

Score

3^/10

discovery

Malware Config

Signatures

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1780	128	WerFault.exe	76
3056	736	WerFault.exe	86
4068	380	WerFault.exe	91
3460	3792	WerFault.exe	94

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateLowDateTime = "3706766892"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionLow = "395196024"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy\HomepagesUpgradeVersion = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\VersionManager\FirstCheckForUpdateHighDateTime = "31149753"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\GPU\VendorId = "4318"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\GPU\DeviceId = "140"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "13"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\GPU\SoftwareFallback = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPMigrationVer = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "9"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\GPU\Revision = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Main\OperationalData = "8"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListXMLVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\GPU\SubSysId = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "395196024"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Protected - It is a violation of Windows Policy to modify. See aka.ms/browserpolicy	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Main\DisableFirstRunCustomize = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionHigh = "268435456"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\CVListDomainAttributeSet = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\StaleCompatCache = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\IECompatVersionLow = "0"	iexplore.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3484	WINWORD.EXE
3484	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3484	WINWORD.EXE
3484	WINWORD.EXE
3484	WINWORD.EXE
3484	WINWORD.EXE
3484	WINWORD.EXE
3484	WINWORD.EXE
3484	WINWORD.EXE
3484	WINWORD.EXE

C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe
"C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 128 -s 496
  2⤵
  - Program crash
  PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 128 -ip 128
1⤵
PID:4436

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:4892

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1428

C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe
"C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 500
  2⤵
  - Program crash
  PID:3056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 736 -ip 736
1⤵
PID:4760

C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe
"C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe"
1⤵
PID:380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 200
  2⤵
  - Program crash
  PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 380 -ip 380
1⤵
PID:4664

C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe
"C:\Users\Admin\AppData\Local\Temp\876511719fda2fab0438ad29f9cc2f8fd684c1897a88d433f7e9c3f2e85eac0b.exe"
1⤵
PID:3792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 468
  2⤵
  - Program crash
  PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3792 -ip 3792
1⤵
PID:1552

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -nohome
1⤵
- Modifies Internet Explorer settings
PID:3508

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\Desktop\CheckpointLock.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\d529440d-5821-46c0-a056-c14a168b80c4.down_data

Filesize
555KB

MD5
5683c0028832cae4ef93ca39c8ac5029

SHA1
248755e4e1db552e0b6f8651b04ca6d1b31a86fb

SHA256
855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e

SHA512
aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

Filesize
212B

MD5
71bc04ad4cbf76259aabcbb7b3ecdeb3

SHA1
c8ad9bc6ccb561c75f4a9c41794b865f7ca5b61d

SHA256
48490fc507eace421e75b88c85064cd4ccbecc62699140965263501849f12bb3

SHA512
79de3af9202c5392246634b2985daf58a24aab983a68ff336c2f0e31f0431247ba20e541bd0ebe6b1b32a8b99dd5da2ffe3a4ed4dfbbae12e813df6b9b5ca572

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/3484-9-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-8-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-10-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-11-0x00007FF8A05A0000-0x00007FF8A05B0000-memory.dmp

Filesize
64KB

Download
memory/3484-12-0x00007FF8A05A0000-0x00007FF8A05B0000-memory.dmp

Filesize
64KB

Download
memory/3484-7-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-6-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-57-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-56-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-55-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download
memory/3484-54-0x00007FF8A2B30000-0x00007FF8A2B40000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads