577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3

Analysis

max time kernel
145s
max time network
151s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
24-07-2022 22:09

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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 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1944-63-0x0000000000400000-0x000000000063E000-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

1944 577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

pid	process
1944	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

pid	process
600	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
1944	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe

description	pid	process	target process
PID 600 wrote to memory of 1944	600	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
PID 600 wrote to memory of 1944	600	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
PID 600 wrote to memory of 1944	600	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe	577b677b28742b60ebb4509850e317ed9fb0f2d6cbfc906ae86403a1d38d47b3.exe
PID 600 wrote to memory of 1944	600	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:600

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
- Suspicious behavior: GetForegroundWindowSpam
PID:1944

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/600-54-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/600-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/600-57-0x0000000002180000-0x00000000023BE000-memory.dmp

Filesize
2.2MB

Download
memory/600-61-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/600-62-0x0000000002180000-0x00000000023BE000-memory.dmp

Filesize
2.2MB

Download
memory/1944-56-0x0000000000000000-mapping.dmp

Download
memory/1944-58-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1944-60-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1944-63-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download