metastealer | 307ec11b5a2a83aa2787b8f3cbecb4ea93868a3b3982ebbd5392f3efe9141c78

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-07-2024 11:48

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General

Target

libcrypto-1_1-x64.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/2688-69-0x0000000010000000-0x000000001072E000-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
1792	powershell.exe
2032	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	setup.exe

Loads dropped DLL 4 IoCs

pid	Process
2596	MsiExec.exe
2596	MsiExec.exe
2596	MsiExec.exe
2596	MsiExec.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2884	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)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	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 opened for modification	C:\Windows\Installer\MSI1268.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
File created	C:\Windows\Installer\f761101.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f761101.msi	msiexec.exe
File created	C:\Windows\Installer\f761104.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2024	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2320	msiexec.exe
2320	msiexec.exe
2032	powershell.exe
2688	setup.exe
2688	setup.exe
2688	setup.exe
2688	setup.exe
2688	setup.exe
2688	setup.exe
1792	powershell.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1840	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1840	msiexec.exe
Token: SeRestorePrivilege	2320	msiexec.exe
Token: SeTakeOwnershipPrivilege	2320	msiexec.exe
Token: SeSecurityPrivilege	2320	msiexec.exe
Token: SeCreateTokenPrivilege	1840	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1840	msiexec.exe
Token: SeLockMemoryPrivilege	1840	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1840	msiexec.exe
Token: SeMachineAccountPrivilege	1840	msiexec.exe
Token: SeTcbPrivilege	1840	msiexec.exe
Token: SeSecurityPrivilege	1840	msiexec.exe
Token: SeTakeOwnershipPrivilege	1840	msiexec.exe
Token: SeLoadDriverPrivilege	1840	msiexec.exe
Token: SeSystemProfilePrivilege	1840	msiexec.exe
Token: SeSystemtimePrivilege	1840	msiexec.exe
Token: SeProfSingleProcessPrivilege	1840	msiexec.exe
Token: SeIncBasePriorityPrivilege	1840	msiexec.exe
Token: SeCreatePagefilePrivilege	1840	msiexec.exe
Token: SeCreatePermanentPrivilege	1840	msiexec.exe
Token: SeBackupPrivilege	1840	msiexec.exe
Token: SeRestorePrivilege	1840	msiexec.exe
Token: SeShutdownPrivilege	1840	msiexec.exe
Token: SeDebugPrivilege	1840	msiexec.exe
Token: SeAuditPrivilege	1840	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1840	msiexec.exe
Token: SeChangeNotifyPrivilege	1840	msiexec.exe
Token: SeRemoteShutdownPrivilege	1840	msiexec.exe
Token: SeUndockPrivilege	1840	msiexec.exe
Token: SeSyncAgentPrivilege	1840	msiexec.exe
Token: SeEnableDelegationPrivilege	1840	msiexec.exe
Token: SeManageVolumePrivilege	1840	msiexec.exe
Token: SeImpersonatePrivilege	1840	msiexec.exe
Token: SeCreateGlobalPrivilege	1840	msiexec.exe
Token: SeRestorePrivilege	2320	msiexec.exe
Token: SeTakeOwnershipPrivilege	2320	msiexec.exe
Token: SeRestorePrivilege	2320	msiexec.exe
Token: SeTakeOwnershipPrivilege	2320	msiexec.exe
Token: SeDebugPrivilege	2032	powershell.exe
Token: SeDebugPrivilege	1792	powershell.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 1840	2240	rundll32.exe	28
PID 2240 wrote to memory of 1840	2240	rundll32.exe	28
PID 2240 wrote to memory of 1840	2240	rundll32.exe	28
PID 2240 wrote to memory of 1840	2240	rundll32.exe	28
PID 2240 wrote to memory of 1840	2240	rundll32.exe	28
PID 2320 wrote to memory of 2596	2320	msiexec.exe	30
PID 2320 wrote to memory of 2596	2320	msiexec.exe	30
PID 2320 wrote to memory of 2596	2320	msiexec.exe	30
PID 2320 wrote to memory of 2596	2320	msiexec.exe	30
PID 2320 wrote to memory of 2596	2320	msiexec.exe	30
PID 2320 wrote to memory of 2596	2320	msiexec.exe	30
PID 2320 wrote to memory of 2596	2320	msiexec.exe	30
PID 2596 wrote to memory of 2884	2596	MsiExec.exe	31
PID 2596 wrote to memory of 2884	2596	MsiExec.exe	31
PID 2596 wrote to memory of 2884	2596	MsiExec.exe	31
PID 2596 wrote to memory of 2884	2596	MsiExec.exe	31
PID 2596 wrote to memory of 2108	2596	MsiExec.exe	33
PID 2596 wrote to memory of 2108	2596	MsiExec.exe	33
PID 2596 wrote to memory of 2108	2596	MsiExec.exe	33
PID 2596 wrote to memory of 2108	2596	MsiExec.exe	33
PID 2596 wrote to memory of 2688	2596	MsiExec.exe	35
PID 2596 wrote to memory of 2688	2596	MsiExec.exe	35
PID 2596 wrote to memory of 2688	2596	MsiExec.exe	35
PID 2596 wrote to memory of 2688	2596	MsiExec.exe	35
PID 2596 wrote to memory of 2688	2596	MsiExec.exe	35
PID 2596 wrote to memory of 2688	2596	MsiExec.exe	35
PID 2596 wrote to memory of 2688	2596	MsiExec.exe	35
PID 2688 wrote to memory of 2032	2688	setup.exe	38
PID 2688 wrote to memory of 2032	2688	setup.exe	38
PID 2688 wrote to memory of 2032	2688	setup.exe	38
PID 2688 wrote to memory of 2032	2688	setup.exe	38
PID 2688 wrote to memory of 2024	2688	setup.exe	40
PID 2688 wrote to memory of 2024	2688	setup.exe	40
PID 2688 wrote to memory of 2024	2688	setup.exe	40
PID 2688 wrote to memory of 2024	2688	setup.exe	40
PID 2688 wrote to memory of 1792	2688	setup.exe	44
PID 2688 wrote to memory of 1792	2688	setup.exe	44
PID 2688 wrote to memory of 1792	2688	setup.exe	44
PID 2688 wrote to memory of 1792	2688	setup.exe	44

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libcrypto-1_1-x64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\system32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1840

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:2320
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B19FD76EDF0E0386D9DB24D081A71CE9
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-49b00c96-932c-41e9-a93e-74c59cfc38fc\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:2884
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:2108
- - C:\Users\Admin\AppData\Local\Temp\MW-49b00c96-932c-41e9-a93e-74c59cfc38fc\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-49b00c96-932c-41e9-a93e-74c59cfc38fc\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - 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:2032
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:2024
  - - 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:1792

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

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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-49b00c96-932c-41e9-a93e-74c59cfc38fc\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-49b00c96-932c-41e9-a93e-74c59cfc38fc\msiwrapper.ini

Filesize
1KB

MD5
410f5892a2640c276dd823b1df7b0116

SHA1
223b90f27a5508c42c9dd7ce645650a4a879a2f0

SHA256
f28af8175d0925217c95c7893b08d138d0ba1ca37ab4dee118a43fb35753dae2

SHA512
9018fb6a97ffa5bb18ec913bf4bbd62c6677a07860673b2dc0ea44a3892cf1ee7f6cb1558a9e6cc8f0546d9d0620b571cbbc0b6771f0cac764abd64df53f33a7

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

Filesize
7KB

MD5
bc599549405595d6bafa60aa8b8e9bb2

SHA1
0334024702e6da5b9a41261ce91356b114dfaeb5

SHA256
e2516c01060e0abef72c090734a7330df0ed3fce46337478a93228fcf46bc927

SHA512
d29395de25b603d756005884c819611afff716cb6bfc6afb652979adb9d4b16bf2ec7bbf49fdcf939269c979e590beedb6e8625bed01092af4574d2c5c395e24

Download Submit
C:\Windows\Installer\MSI1268.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/2688-69-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download