metastealer | 9c8a21962ff273304847ac55a8fff56711e1fe25b7858efec7a0563dcac4cbf3

General

Target

setup.exe
Size

20.0MB
MD5

ae55b839605805360d9a0889ce7fc9a7
SHA1

d1dc58815360b407effecbcc799d46b8b9f127e7
SHA256

c141246b7c82a4192d2c7fd369eb8d41715ca1cd4debcd6c8d007c49e5260711
SHA512

0f1b16b073b48edc02659cb6d744fab9df4a5d18218361a06a3579795cefffe9b18354f30067f89164c2cb6432d73446f7628bc9bd0c349244afae05f74d8754
SSDEEP

49152:VNM4LI23ftODOGOJuVdQrbFKAi94W6LYIJjJ:4CPFEOGOJuVAxyaNLYI

Score

10^/10

metastealer discovery execution spyware stealer

Malware Config

Extracted

Family

metastealer

C2

kiyaqoimsiieeyqa.xyz

ssqsmisuowqcwsqo.xyz

ykqmwgsuummieaug.xyz

ewukeskgqswqesiw.xyz

cscqcsgewmwwaaui.xyz

cyoksykiamiscyia.xyz

okgomokemoucqeso.xyz

ikwacuakiqeimwua.xyz

aawcsqqaywckiwmi.xyz

aiqasksgmyeqocei.xyz

qgumcuisgaeyuqqe.xyz

eiesoycamyqqgcea.xyz

ywceswakicsqomqw.xyz

auaieuewouawygku.xyz

cmiascusccywowcs.xyz

uiqkkomkaceqacec.xyz

quqeciymqmkqccqw.xyz

ssqsauuuyyigouou.xyz

aogaakukuugqswcy.xyz

ucgwcwsuqsuwewgc.xyz

Attributes

dga_seed
21845
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/2340-1-0x0000000010000000-0x0000000010731000-memory.dmp	family_metastealer

Metastealer 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
1496	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	setup.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
2908	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1496	powershell.exe
2340	setup.exe
2340	setup.exe
2340	setup.exe
2340	setup.exe
2340	setup.exe
2340	setup.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1496	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1496	2340	setup.exe	31
PID 2340 wrote to memory of 1496	2340	setup.exe	31
PID 2340 wrote to memory of 1496	2340	setup.exe	31
PID 2340 wrote to memory of 1496	2340	setup.exe	31
PID 2340 wrote to memory of 2908	2340	setup.exe	33
PID 2340 wrote to memory of 2908	2340	setup.exe	33
PID 2340 wrote to memory of 2908	2340	setup.exe	33
PID 2340 wrote to memory of 2908	2340	setup.exe	33

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\search.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1496
- C:\Windows\SysWOW64\systeminfo.exe
  systeminfo
  2⤵
  - System Location Discovery: System Language Discovery
  - Gathers system information
  PID:2908

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

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Downloads

memory/1496-8-0x00000000730C1000-0x00000000730C2000-memory.dmp

Filesize
4KB

Download
memory/1496-9-0x00000000730C0000-0x000000007366B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-11-0x00000000730C0000-0x000000007366B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-10-0x00000000730C0000-0x000000007366B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-17-0x00000000730C0000-0x000000007366B000-memory.dmp

Filesize
5.7MB

Download
memory/2340-1-0x0000000010000000-0x0000000010731000-memory.dmp

Filesize
7.2MB

Download

Analysis

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