metastealer | 307ec11b5a2a83aa2787b8f3cbecb4ea93868a3b3982ebbd5392f3efe9141c78

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 16:15

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General

Target

307ec11b5a2a83aa2787b8f3cbecb4ea93868a3b3982ebbd5392f3efe9141c78.dll
Size

2.1MB
MD5

e37cf85193275925afdb82a266069174
SHA1

8027ca74a08e02dc096a9a3f92081bd5a7a20c67
SHA256

307ec11b5a2a83aa2787b8f3cbecb4ea93868a3b3982ebbd5392f3efe9141c78
SHA512

16db460c1872711a9e84cbe60d587adf56750ff0720b50c992b749bf3f3e8f50d76af9976742aaf933bcded4ab663c6134dec8593b5d071af8eb0050f1285418
SSDEEP

49152:onej4p8c8PFouXSgeAx7rRJHULSn17x95XsjRDFtEMawsusXxQ61CPwDv3uFfJ7:Ks+uXh7LUq17TWdDFtEUx61CPwDv3uFZ

Score

10^/10

metastealer discovery execution spyware stealer

Malware Config

Extracted

Family

metastealer

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/2356-69-0x0000000010000000-0x000000001072E000-memory.dmp	family_metastealer

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
1628	powershell.exe
2492	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2356	setup.exe

Loads dropped DLL 4 IoCs

pid	Process
2852	MsiExec.exe
2852	MsiExec.exe
2852	MsiExec.exe
2852	MsiExec.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2740	ICACLS.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
T1552.001

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\Installer\f76b886.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f76b886.msi	msiexec.exe
File created	C:\Windows\Installer\f76b889.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB9ED.tmp	msiexec.exe
File opened for modification	C:\Windows\Logs\DPX\setupact.log	EXPAND.EXE
File opened for modification	C:\Windows\Logs\DPX\setuperr.log	EXPAND.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2668	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2144	msiexec.exe
2144	msiexec.exe
1628	powershell.exe
2356	setup.exe
2356	setup.exe
2356	setup.exe
2356	setup.exe
2356	setup.exe
2356	setup.exe
2492	powershell.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1656	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1656	msiexec.exe
Token: SeRestorePrivilege	2144	msiexec.exe
Token: SeTakeOwnershipPrivilege	2144	msiexec.exe
Token: SeSecurityPrivilege	2144	msiexec.exe
Token: SeCreateTokenPrivilege	1656	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1656	msiexec.exe
Token: SeLockMemoryPrivilege	1656	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1656	msiexec.exe
Token: SeMachineAccountPrivilege	1656	msiexec.exe
Token: SeTcbPrivilege	1656	msiexec.exe
Token: SeSecurityPrivilege	1656	msiexec.exe
Token: SeTakeOwnershipPrivilege	1656	msiexec.exe
Token: SeLoadDriverPrivilege	1656	msiexec.exe
Token: SeSystemProfilePrivilege	1656	msiexec.exe
Token: SeSystemtimePrivilege	1656	msiexec.exe
Token: SeProfSingleProcessPrivilege	1656	msiexec.exe
Token: SeIncBasePriorityPrivilege	1656	msiexec.exe
Token: SeCreatePagefilePrivilege	1656	msiexec.exe
Token: SeCreatePermanentPrivilege	1656	msiexec.exe
Token: SeBackupPrivilege	1656	msiexec.exe
Token: SeRestorePrivilege	1656	msiexec.exe
Token: SeShutdownPrivilege	1656	msiexec.exe
Token: SeDebugPrivilege	1656	msiexec.exe
Token: SeAuditPrivilege	1656	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1656	msiexec.exe
Token: SeChangeNotifyPrivilege	1656	msiexec.exe
Token: SeRemoteShutdownPrivilege	1656	msiexec.exe
Token: SeUndockPrivilege	1656	msiexec.exe
Token: SeSyncAgentPrivilege	1656	msiexec.exe
Token: SeEnableDelegationPrivilege	1656	msiexec.exe
Token: SeManageVolumePrivilege	1656	msiexec.exe
Token: SeImpersonatePrivilege	1656	msiexec.exe
Token: SeCreateGlobalPrivilege	1656	msiexec.exe
Token: SeRestorePrivilege	2144	msiexec.exe
Token: SeTakeOwnershipPrivilege	2144	msiexec.exe
Token: SeRestorePrivilege	2144	msiexec.exe
Token: SeTakeOwnershipPrivilege	2144	msiexec.exe
Token: SeDebugPrivilege	1628	powershell.exe
Token: SeDebugPrivilege	2492	powershell.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 1656	756	rundll32.exe	30
PID 756 wrote to memory of 1656	756	rundll32.exe	30
PID 756 wrote to memory of 1656	756	rundll32.exe	30
PID 756 wrote to memory of 1656	756	rundll32.exe	30
PID 756 wrote to memory of 1656	756	rundll32.exe	30
PID 2144 wrote to memory of 2852	2144	msiexec.exe	32
PID 2144 wrote to memory of 2852	2144	msiexec.exe	32
PID 2144 wrote to memory of 2852	2144	msiexec.exe	32
PID 2144 wrote to memory of 2852	2144	msiexec.exe	32
PID 2144 wrote to memory of 2852	2144	msiexec.exe	32
PID 2144 wrote to memory of 2852	2144	msiexec.exe	32
PID 2144 wrote to memory of 2852	2144	msiexec.exe	32
PID 2852 wrote to memory of 2740	2852	MsiExec.exe	33
PID 2852 wrote to memory of 2740	2852	MsiExec.exe	33
PID 2852 wrote to memory of 2740	2852	MsiExec.exe	33
PID 2852 wrote to memory of 2740	2852	MsiExec.exe	33
PID 2852 wrote to memory of 2828	2852	MsiExec.exe	35
PID 2852 wrote to memory of 2828	2852	MsiExec.exe	35
PID 2852 wrote to memory of 2828	2852	MsiExec.exe	35
PID 2852 wrote to memory of 2828	2852	MsiExec.exe	35
PID 2852 wrote to memory of 2356	2852	MsiExec.exe	37
PID 2852 wrote to memory of 2356	2852	MsiExec.exe	37
PID 2852 wrote to memory of 2356	2852	MsiExec.exe	37
PID 2852 wrote to memory of 2356	2852	MsiExec.exe	37
PID 2852 wrote to memory of 2356	2852	MsiExec.exe	37
PID 2852 wrote to memory of 2356	2852	MsiExec.exe	37
PID 2852 wrote to memory of 2356	2852	MsiExec.exe	37
PID 2356 wrote to memory of 1628	2356	setup.exe	39
PID 2356 wrote to memory of 1628	2356	setup.exe	39
PID 2356 wrote to memory of 1628	2356	setup.exe	39
PID 2356 wrote to memory of 1628	2356	setup.exe	39
PID 2356 wrote to memory of 2668	2356	setup.exe	41
PID 2356 wrote to memory of 2668	2356	setup.exe	41
PID 2356 wrote to memory of 2668	2356	setup.exe	41
PID 2356 wrote to memory of 2668	2356	setup.exe	41
PID 2356 wrote to memory of 2492	2356	setup.exe	45
PID 2356 wrote to memory of 2492	2356	setup.exe	45
PID 2356 wrote to memory of 2492	2356	setup.exe	45
PID 2356 wrote to memory of 2492	2356	setup.exe	45

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\307ec11b5a2a83aa2787b8f3cbecb4ea93868a3b3982ebbd5392f3efe9141c78.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:756
- C:\Windows\system32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1656

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 56B2542E24CE4EB7D749CFAD538A5C18
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-07bcb518-f9d5-4531-b5d7-aa19ad1f0b16\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:2740
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:2828
- - C:\Users\Admin\AppData\Local\Temp\MW-07bcb518-f9d5-4531-b5d7-aa19ad1f0b16\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-07bcb518-f9d5-4531-b5d7-aa19ad1f0b16\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2356
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\systemtask.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1628
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:2668
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Add-MpPreference -ExclusionPath "$env:LOCALAPPDATA\Microsoft\windows\systemtask.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi

Filesize
1.6MB

MD5
24cbbd2c70efbb75845548513114317e

SHA1
bd13f38e7301648b8cea6135a851b8691fda2c27

SHA256
b31e366ae13a960eb0efbfb5074b0abd1f300151289833d7dfa1a9382bea1855

SHA512
b7b0e4fa57e17b0da21a85f56f29a711ff226c8a9e95ca59721e4f20e32b9cbd8a5fdf69010e79f8452df5457a055cc2a41f2ad773eaf692680bc39cb8e50ead

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-07bcb518-f9d5-4531-b5d7-aa19ad1f0b16\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-07bcb518-f9d5-4531-b5d7-aa19ad1f0b16\msiwrapper.ini

Filesize
1KB

MD5
4e7ceca93dbc41df24397642ad28e296

SHA1
2191c8d9bb8ec948c1ec39c2a0794c70828fb572

SHA256
2301db1dd35fd64120a88e642ab7a3075c3366b91ed7d838401f2dc8976fb4bd

SHA512
59486be55cbf34d2c9573a47dba0e04750b3a9f0d2fa2d31f50a734da6ffd972237ac5ee00fcad95bab616f37cd758b72bd10bce14b30328efb6335fcb0b4221

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d9e1eb6a4e695becfe64dd774d30cd14

SHA1
f2f91af956af567cd3ea38fc39e732c36e109515

SHA256
5adde14d5393e95fbeab73bb52db5f7c3d2a2327549469d2229d5d7bc81b98c6

SHA512
8a01bb86fcc914f1f2742ce8448c9d12a9eb1a26f829a553b1121f51ac7dfe3e1244c335f1f2ac0240965082a244ca9008cbbaa826a5b417b99e75adafb0afb7

Download Submit
C:\Windows\Installer\MSIB9ED.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/2356-69-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download