metastealer | 9e66b24bcd51c982b74f7b8cbc3eea09fca7997878c48a4ff4eb6842bc32614d

Analysis

max time kernel
148s
max time network
158s
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 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
behavioral2/memory/4876-68-0x0000000010000000-0x000000001072E000-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
4960	powershell.exe
2444	powershell.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4420	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)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\LOGS\DPX\setupact.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\MSIADF3.tmp	msiexec.exe
File opened for modification	C:\Windows\LOGS\DPX\setuperr.log	EXPAND.EXE
File created	C:\Windows\Installer\e57a9cd.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e57a9cd.msi	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
4876	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
4308	MsiExec.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
1712	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1280	msiexec.exe
1280	msiexec.exe
2444	powershell.exe
2444	powershell.exe
4876	setup.exe
4876	setup.exe
4960	powershell.exe
4960	powershell.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4296	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4296	msiexec.exe
Token: SeSecurityPrivilege	1280	msiexec.exe
Token: SeCreateTokenPrivilege	4296	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4296	msiexec.exe
Token: SeLockMemoryPrivilege	4296	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4296	msiexec.exe
Token: SeMachineAccountPrivilege	4296	msiexec.exe
Token: SeTcbPrivilege	4296	msiexec.exe
Token: SeSecurityPrivilege	4296	msiexec.exe
Token: SeTakeOwnershipPrivilege	4296	msiexec.exe
Token: SeLoadDriverPrivilege	4296	msiexec.exe
Token: SeSystemProfilePrivilege	4296	msiexec.exe
Token: SeSystemtimePrivilege	4296	msiexec.exe
Token: SeProfSingleProcessPrivilege	4296	msiexec.exe
Token: SeIncBasePriorityPrivilege	4296	msiexec.exe
Token: SeCreatePagefilePrivilege	4296	msiexec.exe
Token: SeCreatePermanentPrivilege	4296	msiexec.exe
Token: SeBackupPrivilege	4296	msiexec.exe
Token: SeRestorePrivilege	4296	msiexec.exe
Token: SeShutdownPrivilege	4296	msiexec.exe
Token: SeDebugPrivilege	4296	msiexec.exe
Token: SeAuditPrivilege	4296	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4296	msiexec.exe
Token: SeChangeNotifyPrivilege	4296	msiexec.exe
Token: SeRemoteShutdownPrivilege	4296	msiexec.exe
Token: SeUndockPrivilege	4296	msiexec.exe
Token: SeSyncAgentPrivilege	4296	msiexec.exe
Token: SeEnableDelegationPrivilege	4296	msiexec.exe
Token: SeManageVolumePrivilege	4296	msiexec.exe
Token: SeImpersonatePrivilege	4296	msiexec.exe
Token: SeCreateGlobalPrivilege	4296	msiexec.exe
Token: SeRestorePrivilege	1280	msiexec.exe
Token: SeTakeOwnershipPrivilege	1280	msiexec.exe
Token: SeRestorePrivilege	1280	msiexec.exe
Token: SeTakeOwnershipPrivilege	1280	msiexec.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	4960	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 4296	3656	Untitled_June_06_25_2024_export.pdf.exe	84
PID 3656 wrote to memory of 4296	3656	Untitled_June_06_25_2024_export.pdf.exe	84
PID 1280 wrote to memory of 4308	1280	msiexec.exe	87
PID 1280 wrote to memory of 4308	1280	msiexec.exe	87
PID 1280 wrote to memory of 4308	1280	msiexec.exe	87
PID 4308 wrote to memory of 4420	4308	MsiExec.exe	88
PID 4308 wrote to memory of 4420	4308	MsiExec.exe	88
PID 4308 wrote to memory of 4420	4308	MsiExec.exe	88
PID 4308 wrote to memory of 1104	4308	MsiExec.exe	90
PID 4308 wrote to memory of 1104	4308	MsiExec.exe	90
PID 4308 wrote to memory of 1104	4308	MsiExec.exe	90
PID 4308 wrote to memory of 4876	4308	MsiExec.exe	92
PID 4308 wrote to memory of 4876	4308	MsiExec.exe	92
PID 4308 wrote to memory of 4876	4308	MsiExec.exe	92
PID 4876 wrote to memory of 2444	4876	setup.exe	96
PID 4876 wrote to memory of 2444	4876	setup.exe	96
PID 4876 wrote to memory of 2444	4876	setup.exe	96
PID 4876 wrote to memory of 1712	4876	setup.exe	98
PID 4876 wrote to memory of 1712	4876	setup.exe	98
PID 4876 wrote to memory of 1712	4876	setup.exe	98
PID 4876 wrote to memory of 4960	4876	setup.exe	101
PID 4876 wrote to memory of 4960	4876	setup.exe	101
PID 4876 wrote to memory of 4960	4876	setup.exe	101

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:3656
- C:\Windows\SYSTEM32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4296

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:1280
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding B1CC82C84DADB5F94939FA4BA32CCD19
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4308
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-6ea3d06a-9613-4e80-89cf-789e17d5de94\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:4420
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:1104
- - C:\Users\Admin\AppData\Local\Temp\MW-6ea3d06a-9613-4e80-89cf-789e17d5de94\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-6ea3d06a-9613-4e80-89cf-789e17d5de94\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4876
  - - 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:2444
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:1712
  - - 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:4960

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
cd935eaa8cc393318f4e6d7f84e5f194

SHA1
a8cf67fabaf935decb487e6c7fa6de03c2e22488

SHA256
d597c60b10389f596786b5d20f3ab9e974aa85d3414924b691ebc72070a2e3a7

SHA512
fcd0ee2bc18cb9ee2769669ffa54981c0eae69f3adc3dec7bb811956e567d13d4e069271a72a9d90345ee822a48294b37cbdd32ff9bce40f790fa2d9d8872534

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-6ea3d06a-9613-4e80-89cf-789e17d5de94\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-6ea3d06a-9613-4e80-89cf-789e17d5de94\msiwrapper.ini

Filesize
1KB

MD5
56b578e8731808f8a7fdf1a76420350a

SHA1
4f3f36fb1a7c8399f1a2d01f9f84a8a2d7ccca94

SHA256
63bdff53ace44c7e210acd438e7c05c927298632b6dd79d443b0eb9e1bd9c1e1

SHA512
34504c5e33993b3b17cd12a18b93300c9cbd294b1608d10ca662ccf46a06c26056cbd8113e5749bd5e1f93e0451d7f926af6ed2001d704ff70b42eb95602b905

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-6ea3d06a-9613-4e80-89cf-789e17d5de94\msiwrapper.ini

Filesize
1KB

MD5
ebb20bd041d11d7c1844d5be224b2ff6

SHA1
ec673e73e62c72e92bea22b5a8980de07a2072e9

SHA256
65b5a1f1a9de7bc24bfd538fb1ba5f29354d2587dc3a4c01fa39f23ab188e5ef

SHA512
da000ec4ac0eb0953bf422d69ddeb2f734d723e968d809c5e59a17ed3f9c25aa130af36c4299219eddd7b10fe0078dbbc6c5b6c55c6fff8026c7ebec6296b518

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yk2ynwzj.icm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Installer\MSIADF3.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/2444-90-0x0000000005FF0000-0x000000000603C000-memory.dmp

Filesize
304KB

Download
memory/2444-104-0x0000000006FB0000-0x0000000007053000-memory.dmp

Filesize
652KB

Download
memory/2444-77-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/2444-78-0x00000000059A0000-0x0000000005A06000-memory.dmp

Filesize
408KB

Download
memory/2444-75-0x0000000005290000-0x00000000058B8000-memory.dmp

Filesize
6.2MB

Download
memory/2444-88-0x0000000005A10000-0x0000000005D64000-memory.dmp

Filesize
3.3MB

Download
memory/2444-89-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

Filesize
120KB

Download
memory/2444-74-0x0000000002690000-0x00000000026C6000-memory.dmp

Filesize
216KB

Download
memory/2444-92-0x0000000006580000-0x00000000065B2000-memory.dmp

Filesize
200KB

Download
memory/2444-93-0x000000006E7B0000-0x000000006E7FC000-memory.dmp

Filesize
304KB

Download
memory/2444-103-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/2444-76-0x0000000005010000-0x0000000005032000-memory.dmp

Filesize
136KB

Download
memory/2444-105-0x0000000007920000-0x0000000007F9A000-memory.dmp

Filesize
6.5MB

Download
memory/2444-106-0x00000000072E0000-0x00000000072FA000-memory.dmp

Filesize
104KB

Download
memory/2444-110-0x0000000007340000-0x000000000734A000-memory.dmp

Filesize
40KB

Download
memory/2444-111-0x0000000007570000-0x0000000007606000-memory.dmp

Filesize
600KB

Download
memory/2444-114-0x00000000074E0000-0x00000000074F1000-memory.dmp

Filesize
68KB

Download
memory/2444-115-0x0000000007520000-0x000000000752E000-memory.dmp

Filesize
56KB

Download
memory/2444-125-0x0000000007530000-0x0000000007544000-memory.dmp

Filesize
80KB

Download
memory/2444-126-0x0000000007610000-0x000000000762A000-memory.dmp

Filesize
104KB

Download
memory/2444-127-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/4876-68-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download
memory/4960-129-0x000000006E7B0000-0x000000006E7FC000-memory.dmp

Filesize
304KB

Download