b3a6fee0ad62113a9dd8ed411a597fc3eeb36ab01655192f14a6a90cb3729012

Analysis

max time kernel
261s
max time network
258s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 06:16

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General

Target

b3a6fee0ad62113a9dd8ed411a597fc3eeb36ab01655192f14a6a90cb3729012.exe
Size

78KB
MD5

81b90a1bad36f0117d8ea5d55196e2ce
SHA1

ed81380e1d3965ffc97e68ff8c5a3a876e6c530e
SHA256

b3a6fee0ad62113a9dd8ed411a597fc3eeb36ab01655192f14a6a90cb3729012
SHA512

135942569c4b883758769a01a171f73c4346765b210b23e8f54e5835d1d374fc0e5413943e3200d23cc9a04d2282886a05c2e5c2780f7d6d4f78386b02f81390
SSDEEP

1536:45LNrltUDf/tQOyAjTZleR276fR2sf00A//nEoQxAMiomJlIK:E4Df/tQyjveM7/sf0lcowHiomJlIK

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\gvbpmxd.dll	b3a6fee0ad62113a9dd8ed411a597fc3eeb36ab01655192f14a6a90cb3729012.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
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 (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	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\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "162"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3812	b3a6fee0ad62113a9dd8ed411a597fc3eeb36ab01655192f14a6a90cb3729012.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3396	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\b3a6fee0ad62113a9dd8ed411a597fc3eeb36ab01655192f14a6a90cb3729012.exe
"C:\Users\Admin\AppData\Local\Temp\b3a6fee0ad62113a9dd8ed411a597fc3eeb36ab01655192f14a6a90cb3729012.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:3812

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa398b855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

memory/3812-133-0x0000000001000000-0x0000000001014000-memory.dmp

Filesize
80KB

Download
memory/3812-132-0x0000000001000000-0x0000000001013800-memory.dmp

Filesize
78KB

Download
memory/3812-134-0x0000000001000000-0x0000000001013800-memory.dmp

Filesize
78KB

Download