dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5

General

Target

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
Size

1.0MB
MD5

b20126a36e7ebd9287a7cf02d670067b
SHA1

4773101b168941318920709a638fb2fb6b110c1e
SHA256

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5
SHA512

136475c9ca31a2ca3fbdb3e99b12b56066ead03da88dbb6ce357a61e917d89046a905a55aefe62d5b500cd9d5bc02599383988a0089dcbf7e93e79aa0d134939

Score

10^/10

adware persistence stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

Drops file in Drivers directory 2 IoCs

Processes:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\spools.exe	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

Enumerates connected drives 3 TTPs 20 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	ioc	process
File opened (read-only)	\??\U:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\G:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\J:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\O:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\P:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\F:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\H:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\I:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\M:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\V:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\W:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\X:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\E:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\K:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\L:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\S:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\N:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\Q:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\R:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
File opened (read-only)	\??\T:	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.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:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

Modifies registry class 1 IoCs

Processes:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe

description	pid	process	target process
PID 1104 wrote to memory of 2036	1104	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe	reg.exe
PID 1104 wrote to memory of 2036	1104	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe	reg.exe
PID 1104 wrote to memory of 2036	1104	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe	reg.exe
PID 1104 wrote to memory of 2036	1104	dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe
"C:\Users\Admin\AppData\Local\Temp\dd87171f56bc3084d8bebc57fa37c1fad330fd40b022484c5dda2ea5ebf25db5.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies system executable filetype association
- Drops file in Drivers directory
- Adds Run key to start application
- Enumerates connected drives
- Modifies WinLogon
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1104

C:\Windows\SysWOW64\reg.exe
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
2⤵
PID:2036

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

2

T1004

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

2

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

6

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1104-60-0x0000000076E11000-0x0000000076E13000-memory.dmp

Filesize
8KB

Download
memory/2036-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads