d616d1c1f19a14499a9106e7fb45616a497b77662b9c59c8fd7d4bda407fb96e

General

Target

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
Size

1.7MB
MD5

8ab1255477e4c5b117f6ba88f1cd301d
SHA1

be11ff9b20e1ba986e6a690a2426ae11214b8a24
SHA256

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e
SHA512

bca9efe08f75f2ce17eac57e5aae50ed7b747b03cf7957cad2500c308b2eaf48f55c661f7fb4ecb2c34bbd796ebd71deb19f841b57fb16aecc72ef58c00f4a80

Score

10^/10

adware persistence stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Windows\SysWOW64\ftpdll.dll	acprotect

Drops file in Drivers directory 2 IoCs

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\spools.exe	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
\Windows\SysWOW64\ftpdll.dll	upx

Loads dropped DLL 1 IoCs

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

pid process

1528 8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

pid	process
1528	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\Local Settings\\Application Data\\cftmon.exe"	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

Drops file in System32 directory 1 IoCs

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

description ioc process

File created C:\Windows\SysWOW64\ftpdll.dll 8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

pid process

1528 8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ftpdll.dll	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

pid	process
1528	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe

description	pid	process	target process
PID 1528 wrote to memory of 1296	1528	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe	reg.exe
PID 1528 wrote to memory of 1296	1528	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe	reg.exe
PID 1528 wrote to memory of 1296	1528	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe	reg.exe
PID 1528 wrote to memory of 1296	1528	8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe
"C:\Users\Admin\AppData\Local\Temp\8cef523542375b59ba8b5383ac0dff14266d0b27e73a46c9ed930942c353427e.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\reg.exe
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
2⤵
PID:1296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

2

T1004

Registry Run Keys / Startup Folder

2

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

5

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\ftpdll.dll
MD5
d807aa04480d1d149f7a4cac22984188

SHA1
ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

SHA256
eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

SHA512
875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

Download Submit
memory/1296-55-0x0000000000000000-mapping.dmp

Download
memory/1528-56-0x0000000076081000-0x0000000076083000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads