9fbd2943a668e098f3c8b06cfc567c12a99c2d9d30c1df55b87ec4e4b558f033

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2023, 20:59

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General

Target

help_screen_font_ja.xml
Size

150KB
MD5

a98b56dbed348e6a368e07620298a2fc
SHA1

6cf347b744253e353276779885b6ceb834c37de9
SHA256

2c39eca9e7c751094034f2245080377c1ceb9d248e89999374651ef4fc84f1e4
SHA512

1f582c6f99134c456cab6ee03d097516f74c358b2c78c642e2846a397d8d2b4a3d5e55d2eec081201d24805cb13d2d411c713606ee3f3be75b138860fb45d278
SSDEEP

1536:IurZH0ddBM0UNqFTn71LvSYfQKa0wyDof+s7qWABC+4NsUCjuZCDlWkw8TG0M6oi:K

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 39 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000007ce7b7852422c48865386072e9a0d0f000000000200000000001066000000010000200000001625ab0c9c2e7f588110b78841c96caf11c996699201638cfe407f627c802408000000000e80000000020000200000003a989c4e39b8c630cd02ec928088fe6c9b58ede131fa5ea441237beb95626ade2000000022ac7a0fa2ff5811e9119f013125c4c5a6e91884d5b6fc216f3ed15a679778084000000098102a38249ad3167f0a24270d69b7533201471994cbb9bc007d0ec98e02d74e0cea20ee74abbdf14d5da68576df62835e1d126226fb26d352617d7a7b13d169	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "970436048"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{655B0A01-1DD2-11EE-A3FC-EE28015B3527} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000007ce7b7852422c48865386072e9a0d0f000000000200000000001066000000010000200000007898dab35ea2d35b66c00398b61c6fe6511bb6a4af5d1201b8fce9bfe2240b61000000000e80000000020000200000000ade4a128f558d863f6100763535af7ea9976958f651f6a6ce3318b15c77d3b920000000b14b105c3db1d37c8fa5ed10bf716f8d39c48b34ad6b6d7db509d28055746c6b400000004472d1e201239a3f37271b78d2f7a3aa97e2dea5385781302d156807688533eda49ad7fb902a206b9855bb66a97b4bdef0d27df5826380d1db122cf0040a26ce	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "986216968"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 8033673cdfb1d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31044063"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044063"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "970436048"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40017f3cdfb1d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044063"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395614973"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4836	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4836	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4836	iexplore.exe
4836	iexplore.exe
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE
3376	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 4836	1128	MSOXMLED.EXE	84
PID 1128 wrote to memory of 4836	1128	MSOXMLED.EXE	84
PID 4836 wrote to memory of 3376	4836	iexplore.exe	86
PID 4836 wrote to memory of 3376	4836	iexplore.exe	86
PID 4836 wrote to memory of 3376	4836	iexplore.exe	86

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\help_screen_font_ja.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\help_screen_font_ja.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4836
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4836 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3376

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\RSFEJP46\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/1128-133-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-134-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-135-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-136-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-137-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-138-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-139-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-140-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download
memory/1128-141-0x00007FF88D250000-0x00007FF88D260000-memory.dmp

Filesize
64KB

Download