a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b

Analysis

max time kernel
340s
max time network
431s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 19:31

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General

Target

a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe
Size

622KB
MD5

0ff10287b4c50e0d11ab998a28529415
SHA1

d44462becb1770b6477e1f15d12f78d17f7f11b8
SHA256

a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b
SHA512

7c18741724e22545a5a49d80bac593c4f9ccb82880e8814543f9ecc98a0329a7551cbef19b77f19eb51d87ea96aacaa43232d58282329408b2181032dcedf8cb
SSDEEP

12288:w7iCIiNAQBrsU055lu329bWPVu7ziF7aqlqFXM5I56BsJLT5kjQ67ThpkU:YpnAbl55luQbWgCFh0FqI5HLT5kjQ6vc

Score

8^/10

spyware stealer upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4196-132-0x0000000000400000-0x0000000000667000-memory.dmp	upx
behavioral2/memory/2108-134-0x0000000000400000-0x0000000000667000-memory.dmp	upx
behavioral2/memory/2108-135-0x0000000000400000-0x0000000000667000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe

Drops startup file 1 IoCs

Processes:

a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Tox.exe	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe

description	pid	process	target process
PID 4196 wrote to memory of 2108	4196	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe
PID 4196 wrote to memory of 2108	4196	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe
PID 4196 wrote to memory of 2108	4196	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe	a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe

C:\Users\Admin\AppData\Local\Temp\a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe
"C:\Users\Admin\AppData\Local\Temp\a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4196

C:\Users\Admin\AppData\Local\Temp\a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe
"C:\Users\Admin\AppData\Local\Temp\a1ec0b75d780b18b03b3185d2a3a3f8107ebf2742756409ce7d8776e4139e38b.exe"
2⤵
PID:2108

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2108-133-0x0000000000000000-mapping.dmp

Download
memory/2108-134-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2108-135-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4196-132-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download