f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164

Analysis

max time kernel
148s
max time network
152s
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

f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
Size

1.4MB
MD5

33f21f140115075da081abda7fed424c
SHA1

13d0116779fd3171efa1a67bdacffcf76bdb6015
SHA256

f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164
SHA512

326fad61c6d4aa906e5de1867f0920bebb6b0a9a1b6621e9712b03d58083edac55b23ad364a69cf927272a5972c86120a4b792b1c0e670fa710e6bbabd0f5502
SSDEEP

24576:eTz0b28UQiG3YUySCg1i6jLekjFRtbtpkZasEO1r+L:E8UQi2Qg1JekZRPpk8sB1r4

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1712-60-0x0000000000400000-0x000000000063E000-memory.dmp	upx
behavioral1/memory/1712-62-0x0000000000400000-0x000000000063E000-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:

f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe"	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.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:

f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

pid process

1712 f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

pid	process
1712	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exef46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

pid	process
1836	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
1712	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

description	pid	process	target process
PID 1836 wrote to memory of 1712	1836	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
PID 1836 wrote to memory of 1712	1836	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
PID 1836 wrote to memory of 1712	1836	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
PID 1836 wrote to memory of 1712	1836	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe	f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe

C:\Users\Admin\AppData\Local\Temp\f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
"C:\Users\Admin\AppData\Local\Temp\f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1836

C:\Users\Admin\AppData\Local\Temp\f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe
"C:\Users\Admin\AppData\Local\Temp\f46717d9eb9ff46374348ba8b83250db47c692a8fa5d66cf3e90a58444a4d164.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
PID:1712

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/1712-56-0x0000000000000000-mapping.dmp

Download
memory/1712-58-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1712-60-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1712-62-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1836-54-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download
memory/1836-55-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/1836-57-0x0000000001E90000-0x00000000020CE000-memory.dmp

Filesize
2.2MB

Download
memory/1836-61-0x0000000000400000-0x000000000063E000-memory.dmp

Filesize
2.2MB

Download