f8df4d44bd5491dadfcf25353e38b192b629e4af2500bdc9a3816739d7bbd510

Resubmissions

14/10/2023, 12:19

231014-phacksdh3s 3

14/10/2023, 12:17

231014-pf2daafh27 3

14/10/2023, 12:13

231014-pd9a4sfg86 3

Analysis

max time kernel
77s
max time network
81s
platform
windows10-1703_x64
resource
win10-20230915-en
resource tags

arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
submitted
14/10/2023, 12:13

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General

Target

RPGMV-DECRYPTOR.exe
Size

1.2MB
MD5

1bdedbe20afb89236a7902804906aeda
SHA1

bf9c619e4e672ee1bcb02139d938d8291f3aa1ce
SHA256

f8df4d44bd5491dadfcf25353e38b192b629e4af2500bdc9a3816739d7bbd510
SHA512

bfc75d03bd782d0d2d947b93d8c462a193e3e5bd22f42dc81e3fd1d490a6a9bce0564b756b4f43018b795bc9ec52b99c71d227bc7edfe353c90e39053a232464
SSDEEP

24576:Z/0PTG+usn0/nCocageeHQ6i4W1RH0N7wqHrU26dPFJ9:Z/UTG9umnCoca+w6DW1+iMUzdPFJ

Score

1^/10

Malware Config

Signatures

Modifies data under HKEY_USERS 43 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Control Panel\International\User Profile	LogonUI.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\CTF\SORTORDER\ASSEMBLYITEM\0X00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Keyboard Layout\Substitutes	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}\00000000\KeyboardLayout = "67699721"	LogonUI.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}\00000000	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Control Panel\International\User Profile\en-US\CachedLanguageName = "@Winlangdb.dll,-1121"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	LogonUI.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\CTF\SORTORDER\LANGUAGE	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}\00000000	LogonUI.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}\00000000\CLSID = "{00000000-0000-0000-0000-000000000000}"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}	LogonUI.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}\00000000\Profile = "{00000000-0000-0000-0000-000000000000}"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Control Panel\International\User Profile\en-US	LogonUI.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Control Panel\International\User Profile\ShowCasing = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Keyboard Layout\Preload	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\HiddenDummyLayouts	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Control Panel\International\User Profile\en-US\0409:00000409 = "1"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Control Panel\International\User Profile\Languages = 65006e002d00550053000000	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\Language	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Control Panel\International\User Profile\ShowShiftLock = "1"	LogonUI.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\MICROSOFT\CTF\SORTORDER\ASSEMBLYITEM\0X00000409\{34745C63-B2F0-4784-8B67-5E12C8701A31}\00000000	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\TIP	LogonUI.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Keyboard Layout\Preload\1 = "00000409"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\Language\00000000 = "00000409"	LogonUI.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\CTF\SortOrder\AssemblyItem\0x00000409	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5008	LogonUI.exe
Token: SeCreatePagefilePrivilege	5008	LogonUI.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5008	LogonUI.exe

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

C:\Users\Admin\AppData\Local\Temp\RPGMV-DECRYPTOR.exe
"C:\Users\Admin\AppData\Local\Temp\RPGMV-DECRYPTOR.exe"
1⤵
PID:2236

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3ae4855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5008

C:\Windows\System32\LockAppHost.exe
C:\Windows\System32\LockAppHost.exe -Embedding
1⤵
PID:600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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