7f5bd953de51989a7ed7e5151b43d280af2eeffff1453b198dd6c877e86d8116

Reason

Machine shutdown

General

Target

97fb18226b9e973c999ed8547efd5ddc.exe
Size

642KB
MD5

97fb18226b9e973c999ed8547efd5ddc
SHA1

37bede16538d59b8a1023a329e17f25e82df6665
SHA256

7f5bd953de51989a7ed7e5151b43d280af2eeffff1453b198dd6c877e86d8116
SHA512

c5c5656bdb269e19fc093ea7e7d1c2f6635bb191b45dc0fafab666e25203b51e2f09ca9875aee1d3ed9e21a77afe75c872e033e734e6e1bac1e8e33b844f203e
SSDEEP

12288:z/xXCiWWuEFo0tDap7uL47ikBwjsW77zfx2WbgSrSw9B67mAyd9qU8YIWKnW:td2EFntk7uE7TwjTrfx2DSr9B6nynvNK

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\gog.exe"	97fb18226b9e973c999ed8547efd5ddc.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3412-0-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral2/memory/3412-152-0x0000000000400000-0x000000000057E000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 5 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	97fb18226b9e973c999ed8547efd5ddc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\SYSTEM\ControlSet001\services\Disk\Enum\	97fb18226b9e973c999ed8547efd5ddc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	97fb18226b9e973c999ed8547efd5ddc.exe
	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	97fb18226b9e973c999ed8547efd5ddc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\	97fb18226b9e973c999ed8547efd5ddc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "235"	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
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\CurrentVersion\Themes\History\AutoColor = "0"	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\ColorizationColorBalance = "89"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	97fb18226b9e973c999ed8547efd5ddc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3412	97fb18226b9e973c999ed8547efd5ddc.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3412	97fb18226b9e973c999ed8547efd5ddc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3412	97fb18226b9e973c999ed8547efd5ddc.exe
3412	97fb18226b9e973c999ed8547efd5ddc.exe
1960	LogonUI.exe

C:\Users\Admin\AppData\Local\Temp\97fb18226b9e973c999ed8547efd5ddc.exe
"C:\Users\Admin\AppData\Local\Temp\97fb18226b9e973c999ed8547efd5ddc.exe"
1⤵
- Modifies WinLogon for persistence
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3412

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa398f855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\MYPNGI1.jpg

Filesize
515B

MD5
7f7112e9c3de0d48e8198b74207b5c03

SHA1
d8acfb4a14d3cb8279c39f9d18780aec261b627a

SHA256
d4d5fb19b9a21aa609c5f91c35d3d9dcd4c62071769b332406cc23215bb66ee7

SHA512
9bed65083205866140d3f70d217a19ba75a443a58554748eac5edebf62201b08edb70bef0a28997447878db151dad62d0849014515c2c4767654b625e03f0a7d

Download Submit
C:\Users\Admin\AppData\Roaming\MYPNGI16.jpg

Filesize
500B

MD5
212a6d2dbd5c89a3ffe47bcdd5b43504

SHA1
3cbc32e292fb3a29e7df59026839f435cfa0fda3

SHA256
197afe35f7607e225fd49d829e4c28608441c3fd8ce209daa171df675611bbb2

SHA512
b2ce9af36e1c07ebdeac12c20038b01a48eb728f8094ee25eafac6e8152049e02694f936783a2fe41d61312be74781b01b5f8553eb2f954becee428851189c3b

Download Submit
C:\Users\Admin\AppData\Roaming\MYPNGI20.jpg

Filesize
694B

MD5
175412ff945c4d15eb6cd3b393d130c2

SHA1
2c83768848611756b277579f55f7f3a40ebee103

SHA256
f9b7e03583ee87205d7c7e9e10dd9d2dfc94415e63c05203fda70431423a5f03

SHA512
5dab37093e665a9fab279a71f0057253ac6676d0796c9b8c6cb69b403e44a3fadf62c353bb96bbf494ad87115b8199b6ed18b522ecc3a075dbc62c9e73b830a6

Download Submit
C:\Users\Admin\AppData\Roaming\MYPNGI8.jpg

Filesize
12KB

MD5
1bd1cb93fac0acc948d65c51ab5489b4

SHA1
64ff1ef70e25554de420ef5da917e710937c03e9

SHA256
1183daa52f3ff1aab9aec0e23ec92d6185e601f77f6944501d6fe5b3598518a4

SHA512
45c7edb9f74d39c972226be0e7bf0213cc417ae2a8c0536a3761dddd02a8c3b4df8b2f316bf88e5979fc0d1e732e7e9f686245318a1cb3e48f901ee0e0ee77d5

Download Submit
memory/3412-0-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/3412-1-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/3412-152-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads