hxxps://storage[.]googleapis[.]com/1b1cc374aeb6fb12e8a6/28ead50359fd29bfd862#cl/78487_md/8/265796/6750/2502/134804

Analysis

max time kernel
100s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2023 13:30

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General

Target

https://storage.googleapis.com/1b1cc374aeb6fb12e8a6/28ead50359fd29bfd862#cl/78487_md/8/265796/6750/2502/134804

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "390843194"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3B9431AB-F26C-11ED-9F77-6E21A4042E2D} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31032953"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31032953"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 307210137986d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "277507271"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "287820112"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c000000000200000000001066000000010000200000007bbcf8de6200c3838b2aa7e95ea0a05472aca86fda5d8c00a4f4455d7a5344a1000000000e8000000002000020000000db52af32e64b51afcbfcdb38064d50b580bf12776c461648e32992f69da80bd320000000ec55f383b6fc5c2ca3f47c0eb9ace243a47c5d64c27c95bc561b009786cf7c5b400000000be13df584de22e1dccba74679bd485dce9baeac7a767f0de053af41d27af004586bd6e069daa16f6264f5ae3f7ba91c280098b7b12aca205d16abee5fd37f04	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31032953"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000038a9e23718fe574b84afdc36f043bb4c000000000200000000001066000000010000200000008653e5f376e26c51ea92a6880baa30801608f54f04e93022753fc71ec939033c000000000e80000000020000200000009e9f36d9ee34d6db92268e50762fc4e65105c79d59c9aed923d8e82c052e13812000000012d7b39e883f8ddc5d0f9aa4c3b81f2aa0a79ac3e534bd141ccc3286856cfa48400000005444cb257ef12bc790c2b01ba75b254cc8a83c92e4a7f74f3b93a8bcc88bb5c9356e8db2451a4e51055346156f755cccd80d7f98595a0241ed499f1913fd75a2	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "277351318"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40b274137986d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
340	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
340	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
340	iexplore.exe
340	iexplore.exe
2228	IEXPLORE.EXE
2228	IEXPLORE.EXE
2228	IEXPLORE.EXE
2228	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 340 wrote to memory of 2228	340	iexplore.exe	84
PID 340 wrote to memory of 2228	340	iexplore.exe	84
PID 340 wrote to memory of 2228	340	iexplore.exe	84

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://storage.googleapis.com/1b1cc374aeb6fb12e8a6/28ead50359fd29bfd862#cl/78487_md/8/265796/6750/2502/134804
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:340
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:340 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2228

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\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
ee26bec10e967ef5d8f7aaf814687606

SHA1
a00a0bfe8efa6755ad46e31a242901149d63c515

SHA256
8671a99b847ac9fb326bf041588f3c6cb276e622f349730a8d06e1e9011527be

SHA512
ecc5a5a135c61a89e249cfa402b240519590e6371ef3b12fce50ed678bf681d76a9f3bb96acd4504438c80df3393d756d74626a8a4027152017fac55ab9bd376

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

Filesize
434B

MD5
f6bddc5f46dfa0845550ea079931f5b1

SHA1
fec52c7caa5651e603c4b66521c69def49d46fc9

SHA256
5d6aec3e0117fe2ccbcf2c50b91150f81071c460955d1a38111c8911c4de1494

SHA512
a98302680be03d6c6d7d762d3c030d8f111120da7836b8f37012a0be77919c352dcf5edc6a07cdc8799352d83a9f483481a377227a1c5e3a211c901876240ed8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit