metastealer | bdfbde6a7c86951c60c4910e681e870bcc17554b6260ed6fd22c8930996c7907

General

Target

out.exe
Size

4.2MB
MD5

fca9608841a34bf981486c0c1000c910
SHA1

af2088b6769c5461110495d0b4d480c70a666f5d
SHA256

bdfbde6a7c86951c60c4910e681e870bcc17554b6260ed6fd22c8930996c7907
SHA512

cd8f4c0dda28e8e1213ce1a56a04a86183a4b0343a7f4fbadd730dbdf19fa32aef3769bdca201e6839300dc259bb4e663c799359bdcea1263d9c05f7e88dd5b1
SSDEEP

98304:JyZlxPbmFUpGzUmxOw4ycDlAS88Yh+xRpiy9STTtz9Kwn0jI2:J0TCdJ43ZASpifpz9Kwn0jI2

Score

10^/10

metastealer discovery execution spyware stealer

Malware Config

Extracted

Family

metastealer

C2

ikswccmqsqeswegi.xyz

aukuqiksseyscgie.xyz

ecucwceswgqiscai.xyz

ggeguiacmksquiwq.xyz

ikecgokgwsysscqe.xyz

ausmoiqykiskemym.xyz

koaywyekuqqeyyww.xyz

auegquiusggyykii.xyz

seaamokeuaweaima.xyz

wmyekoqqyyqyoqgu.xyz

yqaouccmkggsweqk.xyz

uiggiccuoaayaqec.xyz

qamcsicuaqsaaqyw.xyz

wmeqmmsqaiaayumg.xyz

ggkswqokuuisecci.xyz

owswomyokkgkyayg.xyz

uiqyyqqcscaiaska.xyz

uiuqygeuogieacgw.xyz

yqqeqcygyguuwwkk.xyz

qacmygkcsgcsysmm.xyz

Attributes

dga_seed
8584
domain_length
16
num_dga_domains
10000
port
443

Signatures

Meta Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

MetaStealer payload 1 IoCs

resource	yara_rule
behavioral1/memory/1992-5-0x0000000010000000-0x000000001072E000-memory.dmp	family_metastealer

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2732	powershell.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	out.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systeminfo.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2572	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2732	powershell.exe
1992	out.exe
1992	out.exe
1992	out.exe
1992	out.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2732	1992	out.exe	30
PID 1992 wrote to memory of 2732	1992	out.exe	30
PID 1992 wrote to memory of 2732	1992	out.exe	30
PID 1992 wrote to memory of 2732	1992	out.exe	30
PID 1992 wrote to memory of 2572	1992	out.exe	32
PID 1992 wrote to memory of 2572	1992	out.exe	32
PID 1992 wrote to memory of 2572	1992	out.exe	32
PID 1992 wrote to memory of 2572	1992	out.exe	32

C:\Users\Admin\AppData\Local\Temp\out.exe
"C:\Users\Admin\AppData\Local\Temp\out.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\hyper-v.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2732
- C:\Windows\SysWOW64\systeminfo.exe
  systeminfo
  2⤵
  - System Location Discovery: System Language Discovery
  - Gathers system information
  PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1992-0-0x0000000000230000-0x00000000002A8000-memory.dmp

Filesize
480KB

Download
memory/1992-1-0x0000000000230000-0x00000000002A8000-memory.dmp

Filesize
480KB

Download
memory/1992-2-0x0000000000230000-0x00000000002A8000-memory.dmp

Filesize
480KB

Download
memory/1992-5-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download
memory/1992-8-0x0000000000230000-0x00000000002A8000-memory.dmp

Filesize
480KB

Download
memory/2732-13-0x0000000073AE1000-0x0000000073AE2000-memory.dmp

Filesize
4KB

Download
memory/2732-14-0x0000000073AE0000-0x000000007408B000-memory.dmp

Filesize
5.7MB

Download
memory/2732-15-0x0000000073AE0000-0x000000007408B000-memory.dmp

Filesize
5.7MB

Download
memory/2732-19-0x0000000073AE0000-0x000000007408B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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