metastealer | 64e87032c830ebab767e08f466665da630b1f2cb0c6b79be0bb0aa44b7bfd555

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 11:52

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General

Target

docs/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
behavioral18/memory/1928-67-0x0000000010000000-0x000000001072E000-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
2256	powershell.exe
1584	powershell.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2308	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)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\LOGS\DPX\setuperr.log	EXPAND.EXE
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File created	C:\Windows\Installer\SourceHash{5954EC54-3AE7-4C5F-A5C0-2B3335969234}	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI4E3F.tmp	msiexec.exe
File opened for modification	C:\Windows\LOGS\DPX\setupact.log	EXPAND.EXE
File created	C:\Windows\Installer\e574cf7.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e574cf7.msi	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
1928	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
3508	MsiExec.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
3148	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1420	msiexec.exe
1420	msiexec.exe
2256	powershell.exe
2256	powershell.exe
1928	setup.exe
1928	setup.exe
1584	powershell.exe
1584	powershell.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeShutdownPrivilege	232	msiexec.exe
Token: SeIncreaseQuotaPrivilege	232	msiexec.exe
Token: SeSecurityPrivilege	1420	msiexec.exe
Token: SeCreateTokenPrivilege	232	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	232	msiexec.exe
Token: SeLockMemoryPrivilege	232	msiexec.exe
Token: SeIncreaseQuotaPrivilege	232	msiexec.exe
Token: SeMachineAccountPrivilege	232	msiexec.exe
Token: SeTcbPrivilege	232	msiexec.exe
Token: SeSecurityPrivilege	232	msiexec.exe
Token: SeTakeOwnershipPrivilege	232	msiexec.exe
Token: SeLoadDriverPrivilege	232	msiexec.exe
Token: SeSystemProfilePrivilege	232	msiexec.exe
Token: SeSystemtimePrivilege	232	msiexec.exe
Token: SeProfSingleProcessPrivilege	232	msiexec.exe
Token: SeIncBasePriorityPrivilege	232	msiexec.exe
Token: SeCreatePagefilePrivilege	232	msiexec.exe
Token: SeCreatePermanentPrivilege	232	msiexec.exe
Token: SeBackupPrivilege	232	msiexec.exe
Token: SeRestorePrivilege	232	msiexec.exe
Token: SeShutdownPrivilege	232	msiexec.exe
Token: SeDebugPrivilege	232	msiexec.exe
Token: SeAuditPrivilege	232	msiexec.exe
Token: SeSystemEnvironmentPrivilege	232	msiexec.exe
Token: SeChangeNotifyPrivilege	232	msiexec.exe
Token: SeRemoteShutdownPrivilege	232	msiexec.exe
Token: SeUndockPrivilege	232	msiexec.exe
Token: SeSyncAgentPrivilege	232	msiexec.exe
Token: SeEnableDelegationPrivilege	232	msiexec.exe
Token: SeManageVolumePrivilege	232	msiexec.exe
Token: SeImpersonatePrivilege	232	msiexec.exe
Token: SeCreateGlobalPrivilege	232	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeRestorePrivilege	1420	msiexec.exe
Token: SeTakeOwnershipPrivilege	1420	msiexec.exe
Token: SeDebugPrivilege	2256	powershell.exe
Token: SeDebugPrivilege	1584	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 232	632	Untitled_June_06_25_2024_export.pdf.exe	80
PID 632 wrote to memory of 232	632	Untitled_June_06_25_2024_export.pdf.exe	80
PID 1420 wrote to memory of 3508	1420	msiexec.exe	83
PID 1420 wrote to memory of 3508	1420	msiexec.exe	83
PID 1420 wrote to memory of 3508	1420	msiexec.exe	83
PID 3508 wrote to memory of 2308	3508	MsiExec.exe	85
PID 3508 wrote to memory of 2308	3508	MsiExec.exe	85
PID 3508 wrote to memory of 2308	3508	MsiExec.exe	85
PID 3508 wrote to memory of 4932	3508	MsiExec.exe	87
PID 3508 wrote to memory of 4932	3508	MsiExec.exe	87
PID 3508 wrote to memory of 4932	3508	MsiExec.exe	87
PID 3508 wrote to memory of 1928	3508	MsiExec.exe	89
PID 3508 wrote to memory of 1928	3508	MsiExec.exe	89
PID 3508 wrote to memory of 1928	3508	MsiExec.exe	89
PID 1928 wrote to memory of 2256	1928	setup.exe	99
PID 1928 wrote to memory of 2256	1928	setup.exe	99
PID 1928 wrote to memory of 2256	1928	setup.exe	99
PID 1928 wrote to memory of 3148	1928	setup.exe	101
PID 1928 wrote to memory of 3148	1928	setup.exe	101
PID 1928 wrote to memory of 3148	1928	setup.exe	101
PID 1928 wrote to memory of 1584	1928	setup.exe	104
PID 1928 wrote to memory of 1584	1928	setup.exe	104
PID 1928 wrote to memory of 1584	1928	setup.exe	104

C:\Users\Admin\AppData\Local\Temp\docs\Untitled_June_06_25_2024_export.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\docs\Untitled_June_06_25_2024_export.pdf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\SYSTEM32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:232

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:1420
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding E350C32ECF54ED3D331E3E6E3767771D
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3508
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-7e554cc8-b654-491d-9d36-4ecac7a16047\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:2308
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:4932
- - C:\Users\Admin\AppData\Local\Temp\MW-7e554cc8-b654-491d-9d36-4ecac7a16047\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-7e554cc8-b654-491d-9d36-4ecac7a16047\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1928
  - - 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
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2256
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:3148
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Add-MpPreference -ExclusionPath "$env:LOCALAPPDATA\Microsoft\windows\systemtask.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1584

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\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
0fe4d7699a3ad5068b025bb66e68841b

SHA1
de3eb447267fb1b740da59643288c41a59150c5a

SHA256
e25796b80e9baae73cdda10e162949e33a67cf32f0eacd78c741ba5210f67468

SHA512
c71930394e472c9e78a6ceb411a4cec896849a08f63c6ad455657b9f813ed6a3d4c2f5551da2e2cab9e64eca87670c66ef13d39a2ff3416f9b790ea04f66bd68

Download Submit
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-7e554cc8-b654-491d-9d36-4ecac7a16047\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-7e554cc8-b654-491d-9d36-4ecac7a16047\msiwrapper.ini

Filesize
1KB

MD5
afb9390529d2be8e9ac33d0bdcc2c82e

SHA1
53b6d50b5a11dd56d66c76989b207f6c8f37eeaa

SHA256
2e111f045403054056250da1c1b71ba2439519d625faafab6390e70c52324ac9

SHA512
851720a05d9470dfc284a590155c13d94f823ec5adb6188555542279981fccc4845b5b526c9d8f331ffb162ec5063439fdcca8be0d1f89188bd8d69a3a53d7e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5tph3ik.t54.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Installer\MSI4E3F.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/1584-144-0x00000000071D0000-0x00000000071E4000-memory.dmp

Filesize
80KB

Download
memory/1584-143-0x0000000007180000-0x0000000007191000-memory.dmp

Filesize
68KB

Download
memory/1584-133-0x000000006F3B0000-0x000000006F3FC000-memory.dmp

Filesize
304KB

Download
memory/1584-125-0x00000000055F0000-0x0000000005944000-memory.dmp

Filesize
3.3MB

Download
memory/1928-67-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download
memory/2256-100-0x0000000007970000-0x000000000798E000-memory.dmp

Filesize
120KB

Download
memory/2256-107-0x0000000007D00000-0x0000000007D0E000-memory.dmp

Filesize
56KB

Download
memory/2256-90-0x000000006F3B0000-0x000000006F3FC000-memory.dmp

Filesize
304KB

Download
memory/2256-89-0x0000000007930000-0x0000000007962000-memory.dmp

Filesize
200KB

Download
memory/2256-87-0x0000000006780000-0x000000000679E000-memory.dmp

Filesize
120KB

Download
memory/2256-101-0x00000000079A0000-0x0000000007A43000-memory.dmp

Filesize
652KB

Download
memory/2256-103-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/2256-102-0x0000000008110000-0x000000000878A000-memory.dmp

Filesize
6.5MB

Download
memory/2256-104-0x0000000007B30000-0x0000000007B3A000-memory.dmp

Filesize
40KB

Download
memory/2256-105-0x0000000007D60000-0x0000000007DF6000-memory.dmp

Filesize
600KB

Download
memory/2256-106-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

Filesize
68KB

Download
memory/2256-88-0x00000000067C0000-0x000000000680C000-memory.dmp

Filesize
304KB

Download
memory/2256-108-0x0000000007D10000-0x0000000007D24000-memory.dmp

Filesize
80KB

Download
memory/2256-109-0x0000000007E20000-0x0000000007E3A000-memory.dmp

Filesize
104KB

Download
memory/2256-110-0x0000000007D50000-0x0000000007D58000-memory.dmp

Filesize
32KB

Download
memory/2256-85-0x0000000006300000-0x0000000006654000-memory.dmp

Filesize
3.3MB

Download
memory/2256-74-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/2256-75-0x0000000006140000-0x00000000061A6000-memory.dmp

Filesize
408KB

Download
memory/2256-73-0x0000000005800000-0x0000000005822000-memory.dmp

Filesize
136KB

Download
memory/2256-72-0x0000000005A30000-0x0000000006058000-memory.dmp

Filesize
6.2MB

Download
memory/2256-71-0x00000000016D0000-0x0000000001706000-memory.dmp

Filesize
216KB

Download