83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 15:41

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General

Target

83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f.exe
Size

895KB
MD5

9d51fdf78ee92e349efdebcb46094b96
SHA1

8984013634849c89127152f956fa4094ad15e4d0
SHA256

83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f
SHA512

523a469c72f9e27128abf7807a5a7343a26af58fef858693042178262ef03b5aea6a39cf6efff810c338bbb4e5c9e56eb689e5843af230092d9bbfe06ed7eea4
SSDEEP

24576:yS/EKKA1XZCMp5nPPkLuQhHxGTqkEt6Rpu2mGPQ5rBvbMPIKLeX1:yIEKKAHR5PMLu0g7RppgrxWBLeX1

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/1644-55-0x0000000000AC0000-0x0000000000CFE000-memory.dmp	upx
behavioral1/memory/1644-56-0x0000000000AC0000-0x0000000000CFE000-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:

83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f.exe"	83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f.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

C:\Users\Admin\AppData\Local\Temp\83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f.exe
"C:\Users\Admin\AppData\Local\Temp\83aaa1b54fca86ff4d36be3927c59cc7c0e259e1dee1f28327bde64115e98e1f.exe"
1⤵
- Adds Run key to start application
PID:1644

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/1644-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1644-55-0x0000000000AC0000-0x0000000000CFE000-memory.dmp

Filesize
2.2MB

Download
memory/1644-56-0x0000000000AC0000-0x0000000000CFE000-memory.dmp

Filesize
2.2MB

Download