7dcdd092a7280c64d8ae7ed5aed8e635190051a63fda39ba0cd27624b73c90d7

Analysis

max time kernel
35s
max time network
38s
platform
windows10_x64
resource
win10-en-20211014
submitted
01-11-2021 20:30

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General

Target

wsusoffline/xslt/extract-existing-bundle-revision-ids.xsl.xml
Size

846B
MD5

a16b9d7ddf91f1e497165179bf4186b0
SHA1

b945188db6208aad90794cca7362928401a95029
SHA256

15494eaf028c9a4a01b29ef6331569eb7c72234b03604e412d0a7c9ff4529374
SHA512

4f6a8124616007dd7448b12b741b082137335ce4205d7ee25fd10c6f547a610054c09cae2512dd753edd130b3973247af21b8857a5beefa20e53c8b78973fc3f

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\Recovery\AdminActive	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 (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
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\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Internet Explorer\Main	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\{825A8807-3DB6-11EC-B8A2-EABEF3C8D629} = "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 (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
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

1972 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1972 iexplore.exe
1972 iexplore.exe
3752 IEXPLORE.EXE
3752 IEXPLORE.EXE
3752 IEXPLORE.EXE
3752 IEXPLORE.EXE

pid	process
1972	iexplore.exe

pid	process
1972	iexplore.exe
1972	iexplore.exe
3752	IEXPLORE.EXE
3752	IEXPLORE.EXE
3752	IEXPLORE.EXE
3752	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

MSOXMLED.EXEiexplore.exe

description	pid	process	target process
PID 3772 wrote to memory of 1972	3772	MSOXMLED.EXE	iexplore.exe
PID 3772 wrote to memory of 1972	3772	MSOXMLED.EXE	iexplore.exe
PID 1972 wrote to memory of 3752	1972	iexplore.exe	IEXPLORE.EXE
PID 1972 wrote to memory of 3752	1972	iexplore.exe	IEXPLORE.EXE
PID 1972 wrote to memory of 3752	1972	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-existing-bundle-revision-ids.xsl.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3772

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\wsusoffline\xslt\extract-existing-bundle-revision-ids.xsl.xml
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1972 CREDAT:82945 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3752

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/1972-145-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-164-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-184-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-183-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-181-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-123-0x0000000000000000-mapping.dmp

Download
memory/1972-146-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-125-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-126-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-129-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-180-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-148-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-136-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-179-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-132-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-131-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-178-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-177-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-137-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-138-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-171-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-141-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-142-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-144-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-140-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-124-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-135-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-149-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-150-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-151-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-153-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-170-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-156-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-158-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-159-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-161-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-163-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-169-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/1972-165-0x00007FF8552F0000-0x00007FF85535B000-memory.dmp

Filesize
428KB

Download
memory/3752-154-0x0000000000000000-mapping.dmp

Download
memory/3772-119-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-118-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-128-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-130-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-134-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-133-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-122-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-121-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download
memory/3772-120-0x00007FF821CC0000-0x00007FF821CD0000-memory.dmp

Filesize
64KB

Download