b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b

General

Target

b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
Size

1.4MB
MD5

ec8c9c148dcf884c6be4ce6e06b07910
SHA1

d409f696e3df215471e48199b4dce7656a5e5065
SHA256

b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b
SHA512

830443d51ae82704d5e0161071971a9926a85f8c91b3e0068f2dc7f0eff577a83f81775f1ffe4aac80ff02d6c9f3a5a2bd7403a2109cc61e583f72cbf8d74a82
SSDEEP

12288:T6ZA3xX9CYh/rf7IDb54JNVxcXK9ZAxqYVHHP5wbawEutVf6oxHuKWbdJ4ray074:l3xkY9z/QK9Iv5MzRtHOfJc6zIQ6n

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4744-137-0x0000000000400000-0x000000000063E000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe"	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

pid process

4744 b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

pid	process
4744	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f73398d1766a0e7d695fd5044762302885b752c20ad2ce4f0e054587bcbcf6e356e170925d64cbac3b499048ca08a932ab8791a9ae5f99a9e723dd50b68db36f1c3fba77c258ecd160127c8ddf8c70204d2677fdfce83aad42cfff15b14dd656d2d64cb	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DCTXHkHOC5Ixu8iC4qsf4gQnKoCI9X+1qeJkL4qH/4ooVWyzlWIgCe9We58HeQ7hhQ=="	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exeb9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

pid	process
4964	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
4744	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

description	pid	process	target process
PID 4964 wrote to memory of 4744	4964	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
PID 4964 wrote to memory of 4744	4964	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
PID 4964 wrote to memory of 4744	4964	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe	b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe

C:\Users\Admin\AppData\Local\Temp\b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
"C:\Users\Admin\AppData\Local\Temp\b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4964

C:\Users\Admin\AppData\Local\Temp\b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe
"C:\Users\Admin\AppData\Local\Temp\b9df423b9c34d0816cd17c75284a7664d46ef27184c698ade59c88b821761d0b.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
PID:4744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/4744-133-0x0000000000000000-mapping.dmp

Download
memory/4744-134-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4744-135-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4744-137-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4964-132-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4964-136-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads