513e227312a73c7ba6800b26d24001032baa7a2c18c7cfc321e13573b433d432

Analysis

max time kernel
898s
max time network
441s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
07/09/2026, 03:48

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General

Target
browser/resources/app.asar.unpacked/node_modules/bufferutil/build/bufferutil.vcxproj.xml
Size 2KB
Sample260907-ec7qsaee87
SHA256 513e227312a73c7ba6800b26d24001032baa7a2c18c7cfc321e13573b433d432
MD5 304dcd995eeaf374f81b7601ad1e4e0d
SHA1 13226aac5be15cdfec09cb383829be4554feaa22
SHA512 f0bc0ed8847728410175275a9847b38dea16dbb2c04411b989b2e7a138600132022e996945d05d1ef1f9828a37cd9700ac600f496f92efed1db8a556d9ef4ab0
TLSH
T154413630D9FD0AD4A2270C27F580CE02BFAAB1F361D9111475DF85975F66705A2ABB2C
MD5 SHA1 SHA512 TLSH

Score

3^/10

adware discovery spyware

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 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	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dd3ec128c32058429b1fb5a9df41439200000000020000000000106600000001000020000000a9d262dd8791391e924e64ca7fda1216d06ea2faec91c604ab55b5615d66988b000000000e8000000002000020000000fd197932e52e7346a21a892913ccccf65b4b392589065d58e7060622578bd27920000000f73bdb84ee01979a5926802097668ba82028d14de6de34abf39dc35879b5bffb40000000233f846d837b74445af83a31f08759b77192488fcad561fd5fe565c52fcdf9a8611346cd1d6b1556560a905a492f49ee1ef8da2e6678a5a1794341fc01fd68fb	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "495518151"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 503aeac5843edd01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8E486B58-AA6F-11F1-A924-DAA0E249FD4A} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000dd3ec128c32058429b1fb5a9df41439200000000020000000000106600000001000020000000a2061f3b41c17eeadf1cd2a4f3448c8840fe9f89092816517ec1cd3f5dff48d0000000000e8000000002000020000000205cb1a3a411b1e04858426341af59809d829cf88241fed3bec7a1c0cdccbf2c200000008f436811e78457dbc0198b3b465106f481f8787e9a3f2da249db0bf2a7f201f840000000b72e50c102e5ee8422b8f6f9283d24709543083515d26b3286197c3e3177c21fcd44cde25293f634651023c48f4db22b4743e44646fc123147b8e51c2379cfd5	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40f5eec5843edd01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4045429996-2364296335-1634900306-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4948	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4948	iexplore.exe
4948	iexplore.exe
4928	IEXPLORE.EXE
4928	IEXPLORE.EXE
4928	IEXPLORE.EXE
4928	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 4948	4436	MSOXMLED.EXE	81
PID 4948 wrote to memory of 4928	4948	iexplore.exe	83

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\browser\resources\app.asar.unpacked\node_modules\bufferutil\build\bufferutil.vcxproj.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\browser\resources\app.asar.unpacked\node_modules\bufferutil\build\bufferutil.vcxproj.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4948 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:4928

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

suggestions[1].en-US

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RGWQPZXA\suggestions[1].en-US
Size 17KB
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
TLSH
T13A823E4E61D88F57EA47B6B2D9084EA702E0C8794716DB93D62CFE63CDE33B25D02161
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4436-7-0x00007FFD91410000-0x00007FFD91608000-memory.dmp

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memory/4436-11-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-5-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-2-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-1-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-6-0x00007FFD91410000-0x00007FFD91608000-memory.dmp

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memory/4436-3-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-9-0x00007FFD91410000-0x00007FFD91608000-memory.dmp

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memory/4436-8-0x00007FFD91410000-0x00007FFD91608000-memory.dmp

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memory/4436-13-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-0-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-12-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-14-0x00007FFD91410000-0x00007FFD91608000-memory.dmp

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memory/4436-10-0x00007FFD51490000-0x00007FFD514A0000-memory.dmp

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memory/4436-4-0x00007FFD914AD000-0x00007FFD914AE000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads