metastealer | 9e66b24bcd51c982b74f7b8cbc3eea09fca7997878c48a4ff4eb6842bc32614d

Analysis

max time kernel
142s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 14:33

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General

Target

Untitled_June_06_25_2024_export.pdf.exe
Size

801KB
MD5

41dcc29d7eaba7b84fd54323394712af
SHA1

ddc0100723cc2dc9ae8b02a0cb7fe4a86c02d54b
SHA256

a909bef708a47ae428fedbc566132c56f15ae7511dc460cf22055ec1a72d485a
SHA512

5a3e8c1eda558e0b90470d752490bc4d04610f93e453cbfd9013a363cfdf5e607974d526c49efe2ef0440e241d775b66bd7c48c74ee9e8677a37cdedc30c42ee
SSDEEP

6144:xmbuKA33X1rgMuu+xdaXkW+zF6m8XZPELSrPzA:x6XA33X1rTuuyrVZ6m8XGH

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/2060-71-0x0000000010000000-0x000000001072E000-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
2208	powershell.exe
1884	powershell.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2468	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)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\S:	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\Logs\DPX\setupact.log	EXPAND.EXE
File opened for modification	C:\Windows\Logs\DPX\setuperr.log	EXPAND.EXE
File created	C:\Windows\Installer\f776b03.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f776b03.msi	msiexec.exe
File created	C:\Windows\Installer\f776b06.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI7E35.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	setup.exe

Loads dropped DLL 4 IoCs

pid	Process
2768	MsiExec.exe
2768	MsiExec.exe
2768	MsiExec.exe
2768	MsiExec.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1716	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2968	msiexec.exe
2968	msiexec.exe
2208	powershell.exe
2060	setup.exe
2060	setup.exe
2060	setup.exe
2060	setup.exe
2060	setup.exe
2060	setup.exe
1884	powershell.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2812	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2812	msiexec.exe
Token: SeRestorePrivilege	2968	msiexec.exe
Token: SeTakeOwnershipPrivilege	2968	msiexec.exe
Token: SeSecurityPrivilege	2968	msiexec.exe
Token: SeCreateTokenPrivilege	2812	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2812	msiexec.exe
Token: SeLockMemoryPrivilege	2812	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2812	msiexec.exe
Token: SeMachineAccountPrivilege	2812	msiexec.exe
Token: SeTcbPrivilege	2812	msiexec.exe
Token: SeSecurityPrivilege	2812	msiexec.exe
Token: SeTakeOwnershipPrivilege	2812	msiexec.exe
Token: SeLoadDriverPrivilege	2812	msiexec.exe
Token: SeSystemProfilePrivilege	2812	msiexec.exe
Token: SeSystemtimePrivilege	2812	msiexec.exe
Token: SeProfSingleProcessPrivilege	2812	msiexec.exe
Token: SeIncBasePriorityPrivilege	2812	msiexec.exe
Token: SeCreatePagefilePrivilege	2812	msiexec.exe
Token: SeCreatePermanentPrivilege	2812	msiexec.exe
Token: SeBackupPrivilege	2812	msiexec.exe
Token: SeRestorePrivilege	2812	msiexec.exe
Token: SeShutdownPrivilege	2812	msiexec.exe
Token: SeDebugPrivilege	2812	msiexec.exe
Token: SeAuditPrivilege	2812	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2812	msiexec.exe
Token: SeChangeNotifyPrivilege	2812	msiexec.exe
Token: SeRemoteShutdownPrivilege	2812	msiexec.exe
Token: SeUndockPrivilege	2812	msiexec.exe
Token: SeSyncAgentPrivilege	2812	msiexec.exe
Token: SeEnableDelegationPrivilege	2812	msiexec.exe
Token: SeManageVolumePrivilege	2812	msiexec.exe
Token: SeImpersonatePrivilege	2812	msiexec.exe
Token: SeCreateGlobalPrivilege	2812	msiexec.exe
Token: SeRestorePrivilege	2968	msiexec.exe
Token: SeTakeOwnershipPrivilege	2968	msiexec.exe
Token: SeRestorePrivilege	2968	msiexec.exe
Token: SeTakeOwnershipPrivilege	2968	msiexec.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	1884	powershell.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2812	2728	Untitled_June_06_25_2024_export.pdf.exe	30
PID 2728 wrote to memory of 2812	2728	Untitled_June_06_25_2024_export.pdf.exe	30
PID 2728 wrote to memory of 2812	2728	Untitled_June_06_25_2024_export.pdf.exe	30
PID 2728 wrote to memory of 2812	2728	Untitled_June_06_25_2024_export.pdf.exe	30
PID 2728 wrote to memory of 2812	2728	Untitled_June_06_25_2024_export.pdf.exe	30
PID 2968 wrote to memory of 2768	2968	msiexec.exe	32
PID 2968 wrote to memory of 2768	2968	msiexec.exe	32
PID 2968 wrote to memory of 2768	2968	msiexec.exe	32
PID 2968 wrote to memory of 2768	2968	msiexec.exe	32
PID 2968 wrote to memory of 2768	2968	msiexec.exe	32
PID 2968 wrote to memory of 2768	2968	msiexec.exe	32
PID 2968 wrote to memory of 2768	2968	msiexec.exe	32
PID 2768 wrote to memory of 2468	2768	MsiExec.exe	33
PID 2768 wrote to memory of 2468	2768	MsiExec.exe	33
PID 2768 wrote to memory of 2468	2768	MsiExec.exe	33
PID 2768 wrote to memory of 2468	2768	MsiExec.exe	33
PID 2768 wrote to memory of 1992	2768	MsiExec.exe	35
PID 2768 wrote to memory of 1992	2768	MsiExec.exe	35
PID 2768 wrote to memory of 1992	2768	MsiExec.exe	35
PID 2768 wrote to memory of 1992	2768	MsiExec.exe	35
PID 2768 wrote to memory of 2060	2768	MsiExec.exe	37
PID 2768 wrote to memory of 2060	2768	MsiExec.exe	37
PID 2768 wrote to memory of 2060	2768	MsiExec.exe	37
PID 2768 wrote to memory of 2060	2768	MsiExec.exe	37
PID 2768 wrote to memory of 2060	2768	MsiExec.exe	37
PID 2768 wrote to memory of 2060	2768	MsiExec.exe	37
PID 2768 wrote to memory of 2060	2768	MsiExec.exe	37
PID 2060 wrote to memory of 2208	2060	setup.exe	38
PID 2060 wrote to memory of 2208	2060	setup.exe	38
PID 2060 wrote to memory of 2208	2060	setup.exe	38
PID 2060 wrote to memory of 2208	2060	setup.exe	38
PID 2060 wrote to memory of 1716	2060	setup.exe	40
PID 2060 wrote to memory of 1716	2060	setup.exe	40
PID 2060 wrote to memory of 1716	2060	setup.exe	40
PID 2060 wrote to memory of 1716	2060	setup.exe	40
PID 2060 wrote to memory of 1884	2060	setup.exe	44
PID 2060 wrote to memory of 1884	2060	setup.exe	44
PID 2060 wrote to memory of 1884	2060	setup.exe	44
PID 2060 wrote to memory of 1884	2060	setup.exe	44

C:\Users\Admin\AppData\Local\Temp\Untitled_June_06_25_2024_export.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Untitled_June_06_25_2024_export.pdf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\system32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2812

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:2968
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B6D92922DFDFC05E86BBF432A1D9F191
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-7d3b9fbc-ef18-4510-98b7-e336143aab21\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:2468
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:1992
- - C:\Users\Admin\AppData\Local\Temp\MW-7d3b9fbc-ef18-4510-98b7-e336143aab21\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-7d3b9fbc-ef18-4510-98b7-e336143aab21\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2060
  - - 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:2208
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:1716
  - - 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:1884

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-7d3b9fbc-ef18-4510-98b7-e336143aab21\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-7d3b9fbc-ef18-4510-98b7-e336143aab21\msiwrapper.ini

Filesize
1KB

MD5
719fe4910bc80c5a7fe827bd474237a6

SHA1
5fcbc0d088e6992c6b9685fd63f2a8c1f8dc9107

SHA256
88afed092692ec0d8f3d510ae316c587ad7deaded0697f0bde75f6acb474648c

SHA512
0a0edfa26644d44696645d78702150b5629e475c0df4d5a401431b271af98c8154423eaa89697f07389a257279cf0f0081c72a2c33bcd1b1eb01aadcf2918b18

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

Filesize
7KB

MD5
32c9fbdc642763cec4c487a1a9d3a70e

SHA1
95a81d9301aeb7a494c0d683e353f4c0eeab8f83

SHA256
eb14db1f888d782201f80861847c2bf8fd2b5e4d931bec74b376f70768b82c01

SHA512
250f3d1a9bbc3025fcb17daec1606ee022432a4f4e848aaf82038fbfc049a1dab0bedbc65500f3bdff94df484e696f2d6dec1ccaaf6f8864de42f2ab85df7697

Download Submit
C:\Windows\Installer\MSI7E35.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/2060-71-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download