40c92384d321d4728f5f8a7e86066069313b91ed9368f0fa50a55b6ec7f72a25

Analysis

max time kernel
125s
max time network
153s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
07-08-2024 14:24

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General

Target

KRNL-REBORN/krnlss.exe.xml
Size

202B
MD5

0ed4b3831ff5e91dff636145f68aac4c
SHA1

2d1140812945dc1b9e400a88c911803639cb2e49
SHA256

03962ae5a55dfc70e2717771a9a7aa37b956b2c5b4c62e3cff9fe24360250347
SHA512

4039d0272678777ba6fa496baf875050bd4c29352fffd37af8c3c07fb2abeedc54ba04a3dd085b491d848e951ccfcbd67ec7ba50a10ec0c624df45e98c18bf1c

Score

3^/10

discovery

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 54 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3099774283"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3099774283"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31123669"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f09b56b9d5e8da01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31123669"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c0ae69b9d5e8da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "429805701"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3101492967"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000023a621264b0c034ba468298c744ca3cd0000000002000000000010660000000100002000000090b68e2d56602cccf2c55e7be7a9252f3137cffce07f29e920bb225ff127ed7e000000000e80000000020000200000003b07bbeba815ddf2eaa164cd4705a8e05f947acd1a255ddf0afd4d86d530a84e2000000077611a655d1d689d9d33a921bc8e76dcb1c6ffe9ae1663deb17818686b83da494000000063285f696e01d323aea3fa3cb2454bd5f62f3775a60654b33e0767d0f94a76869f86a9ba2a66b578367ee823d6678b640aa343baa5a1a87d26bdb82dc152bfcf	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000023a621264b0c034ba468298c744ca3cd00000000020000000000106600000001000020000000b1b0b8a4a355d7a4e1d6427a091d7819a9abfe5ee115f8c0099856640bb06b87000000000e8000000002000020000000d0d815bf7b0d5c70a5abdb6532b5e23e8ce26df17f061ec69b1e3aee976b7af420000000f0b443dbe932e008e5bab3a04ad66bc6dc228c00b782184a347a6a4456ae22ee40000000280a44f27112d86993738c6972f03009ca3295fd955762acc002b3de1522cb897b9526c6a24e1c754469ab6e4f368a87bbae3473bda9f9729554743ef5afc6df	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31123669"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{E408342F-54C8-11EF-9650-7AB4AB696594} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.15063.0\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "429822296"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31123669"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3101492967"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "429854287"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1453213197-474736321-1741884505-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2388	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2388	iexplore.exe
2388	iexplore.exe
2244	IEXPLORE.EXE
2244	IEXPLORE.EXE
2244	IEXPLORE.EXE
2244	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 2388	3492	MSOXMLED.EXE	70
PID 3492 wrote to memory of 2388	3492	MSOXMLED.EXE	70
PID 2388 wrote to memory of 2244	2388	iexplore.exe	72
PID 2388 wrote to memory of 2244	2388	iexplore.exe	72
PID 2388 wrote to memory of 2244	2388	iexplore.exe	72

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\KRNL-REBORN\krnlss.exe.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnlss.exe.xml
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2388 CREDAT:82945 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2244

Network

MITRE ATT&CK Enterprise v15

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
c30157c5939b6d0ddc1e773637acfffa

SHA1
02205e9c3acca3c096c3cd6689ee5e7e61e97f0b

SHA256
8dc7921b93ae1dbda62e9bc63b5ba9415ce890288473775704049b0832a7684d

SHA512
3fac05ebd57295184ff717cda804154fd7332963598c67b7b83633cacc16b9b53fb7b314150f1732b9ece0cba84dda11bd19cea1079e2639b66a96017ab3ffbb

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
324af8d6270d1f2a0e21f8200ad1ca71

SHA1
d31acfe5fabdff987e9f3e9921abceee5c30edd2

SHA256
ee0a5a3914cc6d7e8b243fa47a5b95856f0651cc1ae7f007e5b65a27d6d282c1

SHA512
59bb5db5e7d5485be3c15923542e7bdfcd4f757fa212dfdba716d52b5aeca23724f3988c85de8767ea22635c5c93fcd71003397c5deb5506819121cfb323f537

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver58AA.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M9YJQOR2\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\ADDPHPXC.cookie

Filesize
543B

MD5
c2814c9c71b70e60a1511ce37f1df554

SHA1
e277197da0a113a90f042632f7aa1d37952bb84b

SHA256
3edea1bdf6ba9fe204135f23004e219b13fcb5646d692c49b9346df923eedfb9

SHA512
f8c8e1fab5fa264e1a3c21866afe6fd6e9fb4f4f5d51d4c2d2fffa9b3d73d431982e1eb39a11f7358462d0e5ccf7f87d5414a82a2f1ba50ef26851f476538bb5

Download Submit
memory/3492-18-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-15-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-7-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-8-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-9-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-11-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-10-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-13-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-14-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-0-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

Download
memory/3492-19-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-17-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-16-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-6-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-12-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-23-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

Download
memory/3492-24-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

Download
memory/3492-22-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

Download
memory/3492-21-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

Download
memory/3492-20-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

Download
memory/3492-4-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

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memory/3492-5-0x00007FFA89340000-0x00007FFA8951B000-memory.dmp

Filesize
1.9MB

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memory/3492-2-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

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memory/3492-1-0x00007FFA493D0000-0x00007FFA493E0000-memory.dmp

Filesize
64KB

Download
memory/3492-3-0x00007FFA893E5000-0x00007FFA893E6000-memory.dmp

Filesize
4KB

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