577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3

General

Target

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
Size

1.4MB
MD5

7d3d1449d6af7280aec5c44bdb1b0a5b
SHA1

5790d8615af5e7208cdc6f2d807ef83cde48e61b
SHA256

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3
SHA512

6d3af81dff4872e758dc1063b1ff4fa3a81b5d79c587dae376c86f720adc2d42fc41028749b4ebc727771571f637e7d1c70ccbb94ad2317901bd6bae95d9e954

Score

10^/10

discovery persistence spyware stealer suricata upx

Malware Config

Signatures

suricata: ET MALWARE Win32/Kelihos.F Checkin
suricata: ET MALWARE Win32/Kelihos.F Checkin
suricata

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4988-135-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral2/memory/4988-137-0x0000000000400000-0x000000000063E000-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:

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe"	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.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:

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

pid process

4988 577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

pid	process
4988	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Internet Explorer\Main	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f7317b1592d0ebf8f6763f6415608e21eea82db795e3fb0e1e1d88e157382c109f9e772d905599ad140ae928aab3749f091639b695e55292ce4214f7d7c66b2b003de0fef20ab2df8c43d1c7e493b9ce32f677f3c5a18eda3e621a42de19aa2cadbf781	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DAvaqyQoR78XKGKRioe67hcfp40KBItntXlUGFC9h5tyQdn83iq+9Qeu+m9iokWiRA=="	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

pid	process
4072	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
4988	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

description	pid	process	target process
PID 4072 wrote to memory of 4988	4072	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
PID 4072 wrote to memory of 4988	4072	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
PID 4072 wrote to memory of 4988	4072	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

C:\Users\Admin\AppData\Local\Temp\577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
"C:\Users\Admin\AppData\Local\Temp\577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4072

C:\Users\Admin\AppData\Local\Temp\577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
"C:\Users\Admin\AppData\Local\Temp\577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
PID:4988

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/4072-132-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4072-136-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4988-133-0x0000000000000000-mapping.dmp

Download
memory/4988-134-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4988-135-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/4988-137-0x0000000000400000-0x000000000063E000-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