ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638

Analysis

max time kernel
152s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 09:11

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General

Target

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
Size

1.4MB
MD5

51f0026646ed8028e88f6b972c6cf8ad
SHA1

a4bcd282455bf0dc4aca3b68d7296b7b1375ec15
SHA256

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638
SHA512

a67087ee9ac844175c68f32d11709f32bd6258c641c7a8b88b3dcf64823bf208b2eca1a6eb7ebfd6dfa718ed074a3eb9d96b10e5c8a8ec2639453ac6e7336afc
SSDEEP

12288:+nbZvgTLIlRpBn43SNlj3pnd3kraSbeQFLsZIs9EO0yafGfGtA5boSEhMm:+BuLIH/RNV5niWSbe6sicVaGYiboSwMm

Score

7^/10

discovery persistence spyware stealer

Malware Config

Signatures

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:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe"	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.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:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

pid process

1920 ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

pid	process
1920	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exeef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

pid	process
1572	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
1920	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

description	pid	process	target process
PID 1572 wrote to memory of 1920	1572	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
PID 1572 wrote to memory of 1920	1572	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
PID 1572 wrote to memory of 1920	1572	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
PID 1572 wrote to memory of 1920	1572	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe	ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe

C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
"C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1572

C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe
"C:\Users\Admin\AppData\Local\Temp\ef3cf9b1309c754f3739242335ab6a284da8fafcd6a2f0dca017925368943638.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
PID:1920

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/1572-54-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1572-55-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1572-60-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1572-61-0x0000000001F50000-0x000000000218E000-memory.dmp

Filesize
2.2MB

Download
memory/1920-56-0x0000000000000000-mapping.dmp

Download
memory/1920-57-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1920-59-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download