hxxps://www[.]buff[.]game/

Analysis

max time kernel
133s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 20:54

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General

Target

https://www.buff.game/

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 64 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1049"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000519d709cb6c1c244933cfb8595b87d360000000002000000000010660000000100002000000014bf2bfea11096e02619da18f0fb8dfef32da55b5f375010973655757c14b401000000000e80000000020000200000003c7396b10dd3a0b3ac754cba940f534535d21b2f30bfe8cc98850d36968dd87d20000000140c6dac8c617c978ec45d0afca501f5675c582b7f1a483e006a56d48359591c4000000019558ae7b628e022a5d7b478613634378e1fb56d722598c783f7783e4bfb49a3b31820f398f2493d61aacdbbf4ca4666933f592bdcbfff1d5efe2db3cc9b7bd1	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "909"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4089527f5142d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "446"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "1514"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "850"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1699077311"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "1426"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 100d687f5142d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "154"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "235"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "639"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1699077311"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "630"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "642"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "642"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "1477"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1724783220"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "29"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "135"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.google.com\ = "25"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "37"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "692"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000519d709cb6c1c244933cfb8595b87d3600000000020000000000106600000001000020000000d64e493f774fb732abeb3b931bdfb916574ebba470658662ce1d3f40952edb4d000000000e8000000002000020000000c0713ea67a217d3f46a7a9f82177ce0d65b5cdf1b2c67bba2b6ef9fd0a43cbe52000000048248811674681fe3d8f282e01435a0f2827cbb2334541ad7939c04cf7d6a59940000000a462c37f28309ca4c84a5da21e1e528c39145a216b73280a6e700f405e42d3df46a5a8b013889354d92538ff9eedcdc520df8ecbb6f2bed1ef17fdc085c94497	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1563"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "982"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "639"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "1503"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "813"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "882"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\google.com\Total = "25"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{902892A8-AE44-11ED-AECB-F22D08015D11} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "466"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "642"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "671"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "813"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "154"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "485"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "721"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "1540"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "870"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.google.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1019"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "135"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "466"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "845"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1463"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\buff.game\Total = "1503"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.buff.game\ = "813"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "850"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\google.com\Total = "204"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3160	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3160	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3160	iexplore.exe
3160	iexplore.exe
3480	IEXPLORE.EXE
3480	IEXPLORE.EXE
3480	IEXPLORE.EXE
3480	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 3480	3160	iexplore.exe	80
PID 3160 wrote to memory of 3480	3160	iexplore.exe	80
PID 3160 wrote to memory of 3480	3160	iexplore.exe	80

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://www.buff.game/
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3160 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3480

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\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442

Filesize
1KB

MD5
959540a7b7e82710cfa7fca1137c4695

SHA1
9c39140d378d6996b2476f9deae6163883c9b249

SHA256
e0e6290143601b1913467a5c9746d6a802fc4921acbdee0be5cd106866063fc0

SHA512
25c2af8b1cf3ed9c5f452335a861f21661cbbe81752380a66e0124f10bf05ce6b6bb0640d8dcc6a56ddbfa3a30ebbb3991362c04c465cd80cc8f8b3ab50446b7

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

Filesize
471B

MD5
9597f3dce8d1b570f78a65ba29110c19

SHA1
ea96f130f2db9598f8785742dd6980e87c0b842b

SHA256
6385202cebf552cb037b90b20ca921f8b481b3154fb6460be44e2686252768d2

SHA512
b97c6755a29fcb84540e32f60e46d1b39183b9e972af5bd8edb6fb4659ea2b7f01ab1bf1ce4fe50fa311b6cceb715d128feeb7dde17c6db3d7b2f43931934d6c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442

Filesize
416B

MD5
46672d639059d6298b88b4b58eaf528b

SHA1
06f26d7416b28d2a873404d2f7e70e501b39c75d

SHA256
21f398036b10c4ccbabf72c868594d5f53f43ebfc1e42da7bbbcd0225a02198d

SHA512
e7bdaa4580bb08be35105d12af1ef6bcaa3e3229d1d9c57b2205660bd6f1943b2b71f69ebbf72b3bde7b9a34e73e4dcbb4638d48170dce3e23a59abb8150d553

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

Filesize
404B

MD5
e81059de0784c4c7069aac500c7a3b62

SHA1
f2ca190c61f7d538d6e3bca48aa7e7ef7e6b4740

SHA256
8a1cb7c9593afb9d57234c75e16d9513bb7a8a33bf969da1d11477da6764532a

SHA512
159e28e18fe58414ab8a9fb03c76be922074ec6356382a1498b04dbcef26c7162da6794d670ff6fc3347f94e493668e8e8162a6abd628802079023847da8e832

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\versionlist.xml

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z2evvp3\imagestore.dat

Filesize
972B

MD5
c7b9d3eafcd8a51b8a4c6fd9b5668ac4

SHA1
9470f204cdf1d9583b5838333a917f99f1c94728

SHA256
f0e9661a55f46205983f3dad6085dd9448d718c659aefe893c82b875d6ed8fa3

SHA512
f365049a4854c538cbbac1c142c6c4f73cf4839f94593c69cb247496dcc2b9a9153c1916c6fb19a2a06570b6481c54b93a7b6c9c9f29842ac600a64ebda0d883

Download Submit