58feca1b4b8c19b000d7911e2586659d65d8add75d96c3611530afc3cf11f841

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2023 23:37

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General

Target

bear.xml
Size

2KB
MD5

a3b81d60e065ed84bf23746ff5dd6b39
SHA1

7420fe1744bcc51399be1efc8331d6a808335243
SHA256

7bd2c80b5ed3cbf4a70706e9a07f68eb9be108cfb3046caa02362455d0896096
SHA512

56987ee2776451b55eb99b13fc0981f65e824fcc61852e1a5e481e4e94c4509e058337718960640e6caa52c6a1c5db28b6a14ae5c356abae57689a6b6221f750

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{070EAE08-6B90-43B0-A0C8-1522C0319805}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{4BB43059-D2D8-425D-B914-1507F82F8E00}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{7E673255-F94E-485B-B74F-A22CF26B5BDF}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{401421EE-879B-499D-8B4D-D055E112222C}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{D7598408-D68B-4B0A-824C-A15707655B17}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{0802FE6B-60E6-4A4E-A87B-4FCD2E1EB6CA}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{F58A8319-D721-403C-847D-C3C98EDA8617}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{832917B2-CC58-4BCD-A59A-E026A4470B91}.catalogItem	svchost.exe

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CF747923-160C-11EE-910D-5A9695CC9A3E} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000003baaf03b17dd442a33931e427c36042000000000200000000001066000000010000200000009656e5ec93a3034eed643838feae8c1c13a139acf8973f7c1db92508897085d4000000000e80000000020000200000006f019cb8426210239e24d172e912e34d8308db1fbf9c4f0f7b91f4ab4b5679fd20000000d97ff487ddeb6b5c163c64f347e3aa355e6eb4061e76476da4dd11416c4ca186400000006acb9bc8d9babdd369d87492b51f1545156cae46083dce9a60a0c29cb7017edb152e19bf76e8856e79e7b8e04e73f1db1f60bad0b8d5b3ef702c8f1c9fe28fa6	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31042073"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2765174460"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000003baaf03b17dd442a33931e427c3604200000000020000000000106600000001000020000000f192906ff3af3553c58d9313aa40988c4f4a01bb4657c15d5d5e549c297efa13000000000e8000000002000020000000974221dd3a3b7af198084e9c308a53cae123bbfb8316d10804e31b829bd4356c200000003a010c88dfab9dd82bff383d1c5e3aee9a9699a62509e3695a98622d41aa00a840000000b3f47d07322f1305bb9993593acb2e8acac4e4ebd0616b98362595c85c09c8e5ab529e31d3ca499795133e54a962e8995a9e1254a800a7d05fc57eb0ad029895	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042073"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2775486259"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 404e0ea619aad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "394760453"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 106121a619aad901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31042073"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2765174460"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3259792829-1422303781-2047321929-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4452	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4452	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4452	iexplore.exe
4452	iexplore.exe
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE
2712	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 4452	1984	MSOXMLED.EXE	82
PID 1984 wrote to memory of 4452	1984	MSOXMLED.EXE	82
PID 4452 wrote to memory of 2712	4452	iexplore.exe	84
PID 4452 wrote to memory of 2712	4452	iexplore.exe	84
PID 4452 wrote to memory of 2712	4452	iexplore.exe	84

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\bear.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\bear.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4452
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4452 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2712

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
PID:3580

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7RMPX3MN\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1984-133-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-134-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-135-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-136-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-137-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-138-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-139-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-140-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download
memory/1984-141-0x00007FFAB2BF0000-0x00007FFAB2C00000-memory.dmp

Filesize
64KB

Download