metastealer | 307ec11b5a2a83aa2787b8f3cbecb4ea93868a3b3982ebbd5392f3efe9141c78

Analysis

max time kernel
121s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-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
behavioral2/memory/4056-67-0x0000000010000000-0x000000001072E000-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
2148	powershell.exe
1264	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
4056	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
3264	MsiExec.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1624	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)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	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)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\G:	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)	\??\W:	msiexec.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e579402.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e579402.msi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{5954EC54-3AE7-4C5F-A5C0-2B3335969234}	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI954B.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 opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	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
5024	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4536	msiexec.exe
4536	msiexec.exe
2148	powershell.exe
2148	powershell.exe
4056	setup.exe
4056	setup.exe
1264	powershell.exe
1264	powershell.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeShutdownPrivilege	376	msiexec.exe
Token: SeIncreaseQuotaPrivilege	376	msiexec.exe
Token: SeSecurityPrivilege	4536	msiexec.exe
Token: SeCreateTokenPrivilege	376	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	376	msiexec.exe
Token: SeLockMemoryPrivilege	376	msiexec.exe
Token: SeIncreaseQuotaPrivilege	376	msiexec.exe
Token: SeMachineAccountPrivilege	376	msiexec.exe
Token: SeTcbPrivilege	376	msiexec.exe
Token: SeSecurityPrivilege	376	msiexec.exe
Token: SeTakeOwnershipPrivilege	376	msiexec.exe
Token: SeLoadDriverPrivilege	376	msiexec.exe
Token: SeSystemProfilePrivilege	376	msiexec.exe
Token: SeSystemtimePrivilege	376	msiexec.exe
Token: SeProfSingleProcessPrivilege	376	msiexec.exe
Token: SeIncBasePriorityPrivilege	376	msiexec.exe
Token: SeCreatePagefilePrivilege	376	msiexec.exe
Token: SeCreatePermanentPrivilege	376	msiexec.exe
Token: SeBackupPrivilege	376	msiexec.exe
Token: SeRestorePrivilege	376	msiexec.exe
Token: SeShutdownPrivilege	376	msiexec.exe
Token: SeDebugPrivilege	376	msiexec.exe
Token: SeAuditPrivilege	376	msiexec.exe
Token: SeSystemEnvironmentPrivilege	376	msiexec.exe
Token: SeChangeNotifyPrivilege	376	msiexec.exe
Token: SeRemoteShutdownPrivilege	376	msiexec.exe
Token: SeUndockPrivilege	376	msiexec.exe
Token: SeSyncAgentPrivilege	376	msiexec.exe
Token: SeEnableDelegationPrivilege	376	msiexec.exe
Token: SeManageVolumePrivilege	376	msiexec.exe
Token: SeImpersonatePrivilege	376	msiexec.exe
Token: SeCreateGlobalPrivilege	376	msiexec.exe
Token: SeRestorePrivilege	4536	msiexec.exe
Token: SeTakeOwnershipPrivilege	4536	msiexec.exe
Token: SeRestorePrivilege	4536	msiexec.exe
Token: SeTakeOwnershipPrivilege	4536	msiexec.exe
Token: SeDebugPrivilege	2148	powershell.exe
Token: SeDebugPrivilege	1264	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 376	3896	rundll32.exe	85
PID 3896 wrote to memory of 376	3896	rundll32.exe	85
PID 4536 wrote to memory of 3264	4536	msiexec.exe	88
PID 4536 wrote to memory of 3264	4536	msiexec.exe	88
PID 4536 wrote to memory of 3264	4536	msiexec.exe	88
PID 3264 wrote to memory of 1624	3264	MsiExec.exe	89
PID 3264 wrote to memory of 1624	3264	MsiExec.exe	89
PID 3264 wrote to memory of 1624	3264	MsiExec.exe	89
PID 3264 wrote to memory of 2788	3264	MsiExec.exe	91
PID 3264 wrote to memory of 2788	3264	MsiExec.exe	91
PID 3264 wrote to memory of 2788	3264	MsiExec.exe	91
PID 3264 wrote to memory of 4056	3264	MsiExec.exe	93
PID 3264 wrote to memory of 4056	3264	MsiExec.exe	93
PID 3264 wrote to memory of 4056	3264	MsiExec.exe	93
PID 4056 wrote to memory of 2148	4056	setup.exe	97
PID 4056 wrote to memory of 2148	4056	setup.exe	97
PID 4056 wrote to memory of 2148	4056	setup.exe	97
PID 4056 wrote to memory of 5024	4056	setup.exe	99
PID 4056 wrote to memory of 5024	4056	setup.exe	99
PID 4056 wrote to memory of 5024	4056	setup.exe	99
PID 4056 wrote to memory of 1264	4056	setup.exe	102
PID 4056 wrote to memory of 1264	4056	setup.exe	102
PID 4056 wrote to memory of 1264	4056	setup.exe	102

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\307ec11b5a2a83aa2787b8f3cbecb4ea93868a3b3982ebbd5392f3efe9141c78.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Windows\system32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:376

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:4536
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 9A9F9B056D4C7B8C95609DD05B3D34F9
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3264
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-0c03a807-c545-4c2a-86f6-c0be6ecff8c0\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:1624
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:2788
- - C:\Users\Admin\AppData\Local\Temp\MW-0c03a807-c545-4c2a-86f6-c0be6ecff8c0\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-0c03a807-c545-4c2a-86f6-c0be6ecff8c0\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4056
  - - 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:2148
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:5024
  - - 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:1264

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\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
89c88cf5c5b083746356f9df9c6d5fb8

SHA1
c43e7d81b6abf2955a10789a83da9999005ad81a

SHA256
4d089b4950d09dcc1866592bc737080058a78ba28c19d9818a83d9e1d7a294aa

SHA512
e416c1e82d56a19a96ebf975c19571a5054563a58bdaec11db5f59770aa4b25104edea3c621aa0ade041f04df847d46fc516d400f0b0b0df70bdd366a91823c4

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-0c03a807-c545-4c2a-86f6-c0be6ecff8c0\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-0c03a807-c545-4c2a-86f6-c0be6ecff8c0\msiwrapper.ini

Filesize
1KB

MD5
dd73d9c396c6970e5fa2fe9faea03028

SHA1
2d3af50cc8bb5e9a115635e7b7d4f41f0cd62695

SHA256
9cadb7b7e48275811b3304183df155ea84d67259e27e94d4cd4818c05a678b7e

SHA512
68569436845afb26c7a16d73ddf403116525a9d7067a2893471e6a46f052c3a59a03e8518c3e96dcc6991f414765290697f23e0e465e29b8c47ec36e38008576

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1aedb2vo.nyn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Installer\MSI954B.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/1264-143-0x00000000070F0000-0x0000000007104000-memory.dmp

Filesize
80KB

Download
memory/1264-142-0x00000000070A0000-0x00000000070B1000-memory.dmp

Filesize
68KB

Download
memory/1264-141-0x0000000006D70000-0x0000000006E13000-memory.dmp

Filesize
652KB

Download
memory/1264-131-0x000000006EDE0000-0x000000006EE2C000-memory.dmp

Filesize
304KB

Download
memory/1264-130-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

Filesize
304KB

Download
memory/1264-119-0x0000000005520000-0x0000000005874000-memory.dmp

Filesize
3.3MB

Download
memory/2148-91-0x000000006E750000-0x000000006E79C000-memory.dmp

Filesize
304KB

Download
memory/2148-108-0x0000000007DE0000-0x0000000007DEE000-memory.dmp

Filesize
56KB

Download
memory/2148-90-0x0000000006E50000-0x0000000006E82000-memory.dmp

Filesize
200KB

Download
memory/2148-101-0x0000000006E30000-0x0000000006E4E000-memory.dmp

Filesize
120KB

Download
memory/2148-88-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/2148-102-0x0000000007A70000-0x0000000007B13000-memory.dmp

Filesize
652KB

Download
memory/2148-103-0x0000000008210000-0x000000000888A000-memory.dmp

Filesize
6.5MB

Download
memory/2148-104-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

Filesize
104KB

Download
memory/2148-105-0x0000000007C10000-0x0000000007C1A000-memory.dmp

Filesize
40KB

Download
memory/2148-106-0x0000000007E40000-0x0000000007ED6000-memory.dmp

Filesize
600KB

Download
memory/2148-107-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

Filesize
68KB

Download
memory/2148-89-0x0000000006920000-0x000000000696C000-memory.dmp

Filesize
304KB

Download
memory/2148-109-0x0000000007DF0000-0x0000000007E04000-memory.dmp

Filesize
80KB

Download
memory/2148-110-0x0000000007F00000-0x0000000007F1A000-memory.dmp

Filesize
104KB

Download
memory/2148-111-0x0000000007E30000-0x0000000007E38000-memory.dmp

Filesize
32KB

Download
memory/2148-83-0x0000000006290000-0x00000000065E4000-memory.dmp

Filesize
3.3MB

Download
memory/2148-75-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/2148-76-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/2148-74-0x0000000006010000-0x0000000006032000-memory.dmp

Filesize
136KB

Download
memory/2148-73-0x0000000005990000-0x0000000005FB8000-memory.dmp

Filesize
6.2MB

Download
memory/2148-72-0x00000000052D0000-0x0000000005306000-memory.dmp

Filesize
216KB

Download
memory/4056-67-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download