hxxps://cdn[.]discordapp[.]com/attachments/1102706793169297438/1109484038709841941/KEYYZOWAZ7FC[.]exe

Analysis

max time kernel
121s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2023 17:45

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General

Target

https://cdn.discordapp.com/attachments/1102706793169297438/1109484038709841941/KEYYZOWAZ7FC.exe

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
3336	KEYYZOWAZ7FC.exe
1000	KEYYZOWAZ7FC.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = d3273793ae45d901	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3745574047"	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 (str)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\RepId\PublicId = "{4F954980-1E50-46EA-B06C-3EEB0E4BFBB1}"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\RepId	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\DomainSuggestion\FileNames\	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\Recovery\AdminActive\{0AA7ADBA-F810-11ED-9F77-6201C35E5273} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31034396"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	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\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
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "391463307"	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\MINIE\TabBandWidth = "500"	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\LastUpdateHighDateTime = "31034396"	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 (int)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3745574047"	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\PendingRecovery	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\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 (data)	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3336	KEYYZOWAZ7FC.exe
Token: SeDebugPrivilege	1000	KEYYZOWAZ7FC.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
864	iexplore.exe
864	iexplore.exe
864	iexplore.exe
3336	KEYYZOWAZ7FC.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
864	iexplore.exe
864	iexplore.exe
3428	IEXPLORE.EXE
3428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 3428	864	iexplore.exe	85
PID 864 wrote to memory of 3428	864	iexplore.exe	85
PID 864 wrote to memory of 3428	864	iexplore.exe	85
PID 864 wrote to memory of 3336	864	iexplore.exe	86
PID 864 wrote to memory of 3336	864	iexplore.exe	86
PID 864 wrote to memory of 1000	864	iexplore.exe	88
PID 864 wrote to memory of 1000	864	iexplore.exe	88

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://cdn.discordapp.com/attachments/1102706793169297438/1109484038709841941/KEYYZOWAZ7FC.exe
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:864
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:864 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3428
- C:\Users\Admin\Downloads\KEYYZOWAZ7FC.exe
  "C:\Users\Admin\Downloads\KEYYZOWAZ7FC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:3336
- C:\Users\Admin\Downloads\KEYYZOWAZ7FC.exe
  "C:\Users\Admin\Downloads\KEYYZOWAZ7FC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\KEYYZOWAZ7FC[1].exe

Filesize
556KB

MD5
0c8893be51c9bdc4cdd27225df1427ca

SHA1
c74216e2e18b9825fa12bbdaa2ad5cf1bb075bb7

SHA256
27c7474402d707a149f38fd5520bd2b04c4da8f9e2e4a5b5e0979d2077f2b70d

SHA512
1459411e9b4d0bd9ceb05120323bed2a0e0e90550ccca2dac4d68ba2efacc95a90dc94d33deb6db09f8d599f900f6d778abe72afe92a265b7ab8b5a573b91e2d

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
C:\Users\Admin\Downloads\KEYYZOWAZ7FC.exe

Filesize
556KB

MD5
0c8893be51c9bdc4cdd27225df1427ca

SHA1
c74216e2e18b9825fa12bbdaa2ad5cf1bb075bb7

SHA256
27c7474402d707a149f38fd5520bd2b04c4da8f9e2e4a5b5e0979d2077f2b70d

SHA512
1459411e9b4d0bd9ceb05120323bed2a0e0e90550ccca2dac4d68ba2efacc95a90dc94d33deb6db09f8d599f900f6d778abe72afe92a265b7ab8b5a573b91e2d

Download Submit
C:\Users\Admin\Downloads\KEYYZOWAZ7FC.exe

Filesize
556KB

MD5
0c8893be51c9bdc4cdd27225df1427ca

SHA1
c74216e2e18b9825fa12bbdaa2ad5cf1bb075bb7

SHA256
27c7474402d707a149f38fd5520bd2b04c4da8f9e2e4a5b5e0979d2077f2b70d

SHA512
1459411e9b4d0bd9ceb05120323bed2a0e0e90550ccca2dac4d68ba2efacc95a90dc94d33deb6db09f8d599f900f6d778abe72afe92a265b7ab8b5a573b91e2d

Download Submit
C:\Users\Admin\Downloads\KEYYZOWAZ7FC.exe.br3w7rs.partial

Filesize
556KB

MD5
0c8893be51c9bdc4cdd27225df1427ca

SHA1
c74216e2e18b9825fa12bbdaa2ad5cf1bb075bb7

SHA256
27c7474402d707a149f38fd5520bd2b04c4da8f9e2e4a5b5e0979d2077f2b70d

SHA512
1459411e9b4d0bd9ceb05120323bed2a0e0e90550ccca2dac4d68ba2efacc95a90dc94d33deb6db09f8d599f900f6d778abe72afe92a265b7ab8b5a573b91e2d

Download Submit
memory/1000-157-0x00000191B9840000-0x00000191B9850000-memory.dmp

Filesize
64KB

Download
memory/1000-154-0x00000191B9840000-0x00000191B9850000-memory.dmp

Filesize
64KB

Download
memory/3336-151-0x0000020E34300000-0x0000020E3433C000-memory.dmp

Filesize
240KB

Download
memory/3336-150-0x0000020E32D40000-0x0000020E32D50000-memory.dmp

Filesize
64KB

Download
memory/3336-149-0x0000020E33FD0000-0x0000020E34046000-memory.dmp

Filesize
472KB

Download
memory/3336-148-0x0000020E1A620000-0x0000020E1A632000-memory.dmp

Filesize
72KB

Download
memory/3336-153-0x0000020E365D0000-0x0000020E365F2000-memory.dmp

Filesize
136KB

Download
memory/3336-155-0x0000020E33FB0000-0x0000020E33FCE000-memory.dmp

Filesize
120KB

Download
memory/3336-156-0x0000020E32D40000-0x0000020E32D50000-memory.dmp

Filesize
64KB

Download
memory/3336-147-0x0000020E1A600000-0x0000020E1A61A000-memory.dmp

Filesize
104KB

Download
memory/3336-166-0x0000020E32D40000-0x0000020E32D50000-memory.dmp

Filesize
64KB

Download
memory/3336-146-0x0000020E18920000-0x0000020E189B2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads