7dcdd092a7280c64d8ae7ed5aed8e635190051a63fda39ba0cd27624b73c90d7

Analysis

max time kernel
42s
max time network
48s
platform
windows10_x64
resource
win10-en-20211014
submitted
01-11-2021 20:30

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General

Target

wsusoffline/xslt/extract-update-revision-and-file-ids.xsl.xml
Size

970B
MD5

b624b2129353822376726f274811b225
SHA1

b6716645cfaf56e8e5e863a2b408c07c64549402
SHA256

ca70add140d468034e5139e7b20514e04fede3f6507853d5791f5b4c07987fa6
SHA512

f1eb463255285b089989475afe2c69e27d81220a1bf294facac9e89eabe67197d823d216feeb1d168fbcf0bf831ba86f75540e74a4509848803afd1b75a7d481

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 13 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEiexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{82D1603B-3DB6-11EC-B8A2-C6C0EB87A84E} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

912 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

912 iexplore.exe
912 iexplore.exe
3840 IEXPLORE.EXE
3840 IEXPLORE.EXE
3840 IEXPLORE.EXE
3840 IEXPLORE.EXE

pid	process
912	iexplore.exe

pid	process
912	iexplore.exe
912	iexplore.exe
3840	IEXPLORE.EXE
3840	IEXPLORE.EXE
3840	IEXPLORE.EXE
3840	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 3684 wrote to memory of 912	3684	MSOXMLED.EXE	iexplore.exe
PID 3684 wrote to memory of 912	3684	MSOXMLED.EXE	iexplore.exe
PID 912 wrote to memory of 3840	912	iexplore.exe	IEXPLORE.EXE
PID 912 wrote to memory of 3840	912	iexplore.exe	IEXPLORE.EXE
PID 912 wrote to memory of 3840	912	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\wsusoffline\xslt\extract-update-revision-and-file-ids.xsl.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3684

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\wsusoffline\xslt\extract-update-revision-and-file-ids.xsl.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:912

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:912 CREDAT:82945 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3840

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/912-145-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-164-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-184-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-183-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-181-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-123-0x0000000000000000-mapping.dmp

Download
memory/912-147-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-126-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-128-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-180-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-179-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-148-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-130-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-132-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-133-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-134-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-135-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-136-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-137-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-138-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-178-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-141-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-142-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-144-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-140-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-177-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-171-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-149-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-150-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-151-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-153-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-170-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-156-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-158-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-159-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-161-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-163-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-169-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/912-165-0x00007FFA88C50000-0x00007FFA88CBB000-memory.dmp

Filesize
428KB

Download
memory/3684-119-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-125-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-124-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-118-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-129-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-127-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-122-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-121-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3684-120-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3840-154-0x0000000000000000-mapping.dmp

Download