metastealer | 79d7036b030dcaaec258637b01dbc4f9786d6777afe85f6fe397d6034e2f4806

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 17:55

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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
behavioral6/memory/4648-67-0x0000000010000000-0x000000001072E000-memory.dmp	family_metastealer

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1476	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
4648	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
4580	MsiExec.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3392	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)	\??\O:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	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)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e57e474.msi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{5954EC54-3AE7-4C5F-A5C0-2B3335969234}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIE62A.tmp	msiexec.exe
File opened for modification	C:\Windows\LOGS\DPX\setupact.log	EXPAND.EXE
File opened for modification	C:\Windows\Installer\e57e474.msi	msiexec.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
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\LOGS\DPX\setuperr.log	EXPAND.EXE

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
4236	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3792	msiexec.exe
3792	msiexec.exe
1476	powershell.exe
1476	powershell.exe
1476	powershell.exe
4648	setup.exe
4648	setup.exe
4648	setup.exe
4648	setup.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3040	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3040	msiexec.exe
Token: SeSecurityPrivilege	3792	msiexec.exe
Token: SeCreateTokenPrivilege	3040	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	3040	msiexec.exe
Token: SeLockMemoryPrivilege	3040	msiexec.exe
Token: SeIncreaseQuotaPrivilege	3040	msiexec.exe
Token: SeMachineAccountPrivilege	3040	msiexec.exe
Token: SeTcbPrivilege	3040	msiexec.exe
Token: SeSecurityPrivilege	3040	msiexec.exe
Token: SeTakeOwnershipPrivilege	3040	msiexec.exe
Token: SeLoadDriverPrivilege	3040	msiexec.exe
Token: SeSystemProfilePrivilege	3040	msiexec.exe
Token: SeSystemtimePrivilege	3040	msiexec.exe
Token: SeProfSingleProcessPrivilege	3040	msiexec.exe
Token: SeIncBasePriorityPrivilege	3040	msiexec.exe
Token: SeCreatePagefilePrivilege	3040	msiexec.exe
Token: SeCreatePermanentPrivilege	3040	msiexec.exe
Token: SeBackupPrivilege	3040	msiexec.exe
Token: SeRestorePrivilege	3040	msiexec.exe
Token: SeShutdownPrivilege	3040	msiexec.exe
Token: SeDebugPrivilege	3040	msiexec.exe
Token: SeAuditPrivilege	3040	msiexec.exe
Token: SeSystemEnvironmentPrivilege	3040	msiexec.exe
Token: SeChangeNotifyPrivilege	3040	msiexec.exe
Token: SeRemoteShutdownPrivilege	3040	msiexec.exe
Token: SeUndockPrivilege	3040	msiexec.exe
Token: SeSyncAgentPrivilege	3040	msiexec.exe
Token: SeEnableDelegationPrivilege	3040	msiexec.exe
Token: SeManageVolumePrivilege	3040	msiexec.exe
Token: SeImpersonatePrivilege	3040	msiexec.exe
Token: SeCreateGlobalPrivilege	3040	msiexec.exe
Token: SeRestorePrivilege	3792	msiexec.exe
Token: SeTakeOwnershipPrivilege	3792	msiexec.exe
Token: SeRestorePrivilege	3792	msiexec.exe
Token: SeTakeOwnershipPrivilege	3792	msiexec.exe
Token: SeDebugPrivilege	1476	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 3040	4932	rundll32.exe	88
PID 4932 wrote to memory of 3040	4932	rundll32.exe	88
PID 3792 wrote to memory of 4580	3792	msiexec.exe	91
PID 3792 wrote to memory of 4580	3792	msiexec.exe	91
PID 3792 wrote to memory of 4580	3792	msiexec.exe	91
PID 4580 wrote to memory of 3392	4580	MsiExec.exe	92
PID 4580 wrote to memory of 3392	4580	MsiExec.exe	92
PID 4580 wrote to memory of 3392	4580	MsiExec.exe	92
PID 4580 wrote to memory of 2196	4580	MsiExec.exe	94
PID 4580 wrote to memory of 2196	4580	MsiExec.exe	94
PID 4580 wrote to memory of 2196	4580	MsiExec.exe	94
PID 4580 wrote to memory of 4648	4580	MsiExec.exe	96
PID 4580 wrote to memory of 4648	4580	MsiExec.exe	96
PID 4580 wrote to memory of 4648	4580	MsiExec.exe	96
PID 4648 wrote to memory of 1476	4648	setup.exe	107
PID 4648 wrote to memory of 1476	4648	setup.exe	107
PID 4648 wrote to memory of 1476	4648	setup.exe	107
PID 4648 wrote to memory of 4236	4648	setup.exe	109
PID 4648 wrote to memory of 4236	4648	setup.exe	109
PID 4648 wrote to memory of 4236	4648	setup.exe	109

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:4932
- C:\Windows\system32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3040

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:3792
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding C90D0E76DD1194A239E8A2CD9E2B5F57
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-b7f5f57a-c84c-44e2-b66a-c9dcad349091\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:3392
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:2196
- - C:\Users\Admin\AppData\Local\Temp\MW-b7f5f57a-c84c-44e2-b66a-c9dcad349091\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-b7f5f57a-c84c-44e2-b66a-c9dcad349091\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4648
  - - 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:1476
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:4236

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4100,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8
1⤵
PID:3188

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-b7f5f57a-c84c-44e2-b66a-c9dcad349091\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-b7f5f57a-c84c-44e2-b66a-c9dcad349091\msiwrapper.ini

Filesize
1KB

MD5
a09e75fa6cc316f9dba6e182748b713b

SHA1
4a0192c746e456f74ec2edf6111498f7d14ec55b

SHA256
6220e6c1a2748de0a189767a19b8e40b737a6a25a6d4cfc7a43ebafb157d505c

SHA512
d501916383f2dd912b0818ff8a3bb727de23b199fccb6db16e7c52ac6e073f1da64cdd1ddf9ca42bda1b5b68101eb6aef41de3c359f007a9214e2b02331239b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-b7f5f57a-c84c-44e2-b66a-c9dcad349091\msiwrapper.ini

Filesize
1KB

MD5
df48713feb818a07014b63ee5a79d737

SHA1
748e7164dc08fa9bd80ed6e9140b91bfb9ccc0de

SHA256
165f19b060e2b07f2563022d389677ba85fc390b3fb94e1b39e284126b8fddd5

SHA512
030ff0e770d56728f1bb5a970a64f8b397dce1b7a277ede37d6da3896e4116a3e5df410f4e4c817d679eb5cd1b5844205c815302dbd96d08d04ba60eb31fa746

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2sx5pbev.2rv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Installer\MSIE62A.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/1476-88-0x0000000005B50000-0x0000000005B9C000-memory.dmp

Filesize
304KB

Download
memory/1476-100-0x00000000060A0000-0x00000000060BE000-memory.dmp

Filesize
120KB

Download
memory/1476-73-0x0000000004A80000-0x0000000004AA2000-memory.dmp

Filesize
136KB

Download
memory/1476-74-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/1476-75-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/1476-71-0x0000000004490000-0x00000000044C6000-memory.dmp

Filesize
216KB

Download
memory/1476-85-0x0000000005470000-0x00000000057C4000-memory.dmp

Filesize
3.3MB

Download
memory/1476-87-0x0000000005AC0000-0x0000000005ADE000-memory.dmp

Filesize
120KB

Download
memory/1476-112-0x0000000007060000-0x0000000007068000-memory.dmp

Filesize
32KB

Download
memory/1476-89-0x0000000006C70000-0x0000000006CA2000-memory.dmp

Filesize
200KB

Download
memory/1476-90-0x000000006ECB0000-0x000000006ECFC000-memory.dmp

Filesize
304KB

Download
memory/1476-72-0x0000000004BF0000-0x0000000005218000-memory.dmp

Filesize
6.2MB

Download
memory/1476-101-0x0000000006CB0000-0x0000000006D53000-memory.dmp

Filesize
652KB

Download
memory/1476-102-0x0000000007420000-0x0000000007A9A000-memory.dmp

Filesize
6.5MB

Download
memory/1476-103-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

Filesize
104KB

Download
memory/1476-104-0x0000000006E40000-0x0000000006E4A000-memory.dmp

Filesize
40KB

Download
memory/1476-105-0x0000000007070000-0x0000000007106000-memory.dmp

Filesize
600KB

Download
memory/1476-106-0x0000000006FE0000-0x0000000006FF1000-memory.dmp

Filesize
68KB

Download
memory/1476-109-0x0000000007010000-0x000000000701E000-memory.dmp

Filesize
56KB

Download
memory/1476-110-0x0000000007020000-0x0000000007034000-memory.dmp

Filesize
80KB

Download
memory/1476-111-0x0000000007130000-0x000000000714A000-memory.dmp

Filesize
104KB

Download
memory/4648-67-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download