f09d0f69566da4a89d712df34627b5b7b260e9fab51edb407ee991bcb7fff059

Analysis

max time kernel
166s
max time network
185s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 00:01

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Reason

Machine shutdown

Report Analysis Logs

General

Target

f09d0f69566da4a89d712df34627b5b7b260e9fab51edb407ee991bcb7fff059.exe
Size

104KB
MD5

67c8fd0644dbea66d93ad150db3b5d00
SHA1

6b80dc2f636a020fc6e1975f9b7c9daf48fdaf9f
SHA256

f09d0f69566da4a89d712df34627b5b7b260e9fab51edb407ee991bcb7fff059
SHA512

411f7510db96ef1251f48464e3f49372ee2c972caacc1c58fee56796f16ce275970d77c14c7e9d790ef2885374bbaccfaffc5cd1c6dbbd316ccc6cf8b09a1f61
SSDEEP

1536:fOPtYFzP+O5R1gpvgwiqqYvCbNSkMMqP7O7kIgrAnA0hEqc7fnwzGo8oj6mQ:mOr91AF1qbNSkP57rmkyqcMzGo4

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\efancjb.dll	f09d0f69566da4a89d712df34627b5b7b260e9fab51edb407ee991bcb7fff059.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "240"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2548	f09d0f69566da4a89d712df34627b5b7b260e9fab51edb407ee991bcb7fff059.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1544	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\f09d0f69566da4a89d712df34627b5b7b260e9fab51edb407ee991bcb7fff059.exe
"C:\Users\Admin\AppData\Local\Temp\f09d0f69566da4a89d712df34627b5b7b260e9fab51edb407ee991bcb7fff059.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2548

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39ea055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1544

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/2548-132-0x0000000001000000-0x000000000101B000-memory.dmp

Filesize
108KB

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memory/2548-133-0x0000000001000000-0x000000000101B000-memory.dmp

Filesize
108KB

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