hxxps://app[.]stupendo[.]ec/

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2023, 16:00

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General

Target

https://app.stupendo.ec/

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 42 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3181056614"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31044423"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044423"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f00b31c047b3d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 408314c047b3d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3165071870"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044423"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395769812"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009e70746b52f6804aba4142285479e7a800000000020000000000106600000001000020000000894ff354650bc70859cf15ec2362f829486de55e7d2d79527412ed150d325d00000000000e80000000020000200000001569052d590078a3444bbffae1105e7b4a6f68b5401198c5ad82835234dca53320000000251509575d9c0e9f709e578bc793e7f06275ebabb91a4f13699d959f1f6dbb7d400000006681e5d713383c603e9c346706ed112f4a43e278e931eb1422d87a13ed5e75e19b4ac77c61428e82cae5b0e917805e61e22d21d08daa905b483a03a07be1fd88	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3165071870"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009e70746b52f6804aba4142285479e7a800000000020000000000106600000001000020000000d414c595988439f2899767e778880d73ed69ed642920649b651e894c0fe465f4000000000e8000000002000020000000e8ec49e7b9a8d8fbfb7048df73eca6a9ed8a6eebd42f2f7dacd6437864ed195820000000f864836329ab41169fe737df909e5295367abc709edc27f8ddb892d03e5c6bec40000000db4f3222cfad0148b39fcee38c6a0ef73007720f9fc8a625a7214253f5c95ca2c035fa6c52ab03d28761eec206dc53868c586b12cc595547dd049d030118db1e	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E81ABCA2-1F3A-11EE-B699-72A452026D15} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2312	iexplore.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2312	iexplore.exe
2312	iexplore.exe
2900	IEXPLORE.EXE
2900	IEXPLORE.EXE
2900	IEXPLORE.EXE
2900	IEXPLORE.EXE
2312	iexplore.exe
2312	iexplore.exe
2312	iexplore.exe
2312	iexplore.exe
2312	iexplore.exe
2312	iexplore.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2900	2312	iexplore.exe	84
PID 2312 wrote to memory of 2900	2312	iexplore.exe	84
PID 2312 wrote to memory of 2900	2312	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://app.stupendo.ec/
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2312 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2900

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\Internet Explorer\imagestore\ajlopfn\imagestore.dat

Filesize
393B

MD5
85f7520cbef627404fa6d1a53b4130cc

SHA1
42098bca1eff9374d87509710399407f09bf37c4

SHA256
4f3c1229b0aa894e59ccda58a4c49ec1f1b45ef4b2f38d35f4c62ff91db96239

SHA512
008321dc9b159b93dd0566f50b0138e19ee0032faf5beb369f62b9c3663ff794aa36191726c1542f12b0e7308f7c2e511b10a409188f205d31bc8c4c3a4c3e69

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7T5CRMPS\favicon[1].ico

Filesize
277B

MD5
4e00636d4f9876034b01d6589f3851f5

SHA1
7096c2222237046e93613029687d93c0ec1e5e0e

SHA256
e8ed815f97777323c02927a2aa9bc291ee3c18cc497a1028fbf3c5b866419290

SHA512
9fcbd9ad4aa35678d2878b1e163a84208682a93478483d91b0644bffafb0aa428de9f22e0c6b0b3af634166d0805ff13dd72b8abfddb7258d0e44c48f0ff4cf7

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7T5CRMPS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\~DF39633AC63F407E97.TMP

Filesize
16KB

MD5
ac5ca78d7783c074740cc7611cd5b81e

SHA1
17aedf3958b4a2b16da30aa80aaa7ee0145f9359

SHA256
5027a3ad7a6c0a166129a81c975d1531f21924c1f6df6740840c43f9f2389118

SHA512
f69e0f56a850999b39ae9efa7e38cf7e866b76f968eec8b4dd3085007a29065620dd01fbf1cbe473d2c724b90248296a75e10b877386ae4373a80aac9cd2c5bd

Download Submit