metastealer | 79d7036b030dcaaec258637b01dbc4f9786d6777afe85f6fe397d6034e2f4806

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 14:27

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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/2668-71-0x0000000010000000-0x000000001072E000-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
1972	powershell.exe
328	powershell.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2636	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)	\??\U:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\R:	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 created	C:\Windows\Installer\f769f2f.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIA5B1.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 created	C:\Windows\Installer\f769f2c.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f769f2c.msi	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	setup.exe

Loads dropped DLL 4 IoCs

pid	Process
2436	MsiExec.exe
2436	MsiExec.exe
2436	MsiExec.exe
2436	MsiExec.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
2592	systeminfo.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2340	msiexec.exe
2340	msiexec.exe
1972	powershell.exe
2668	setup.exe
2668	setup.exe
2668	setup.exe
2668	setup.exe
2668	setup.exe
2668	setup.exe
328	powershell.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1376	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	2340	msiexec.exe
Token: SeTakeOwnershipPrivilege	2340	msiexec.exe
Token: SeSecurityPrivilege	2340	msiexec.exe
Token: SeCreateTokenPrivilege	1376	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1376	msiexec.exe
Token: SeLockMemoryPrivilege	1376	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1376	msiexec.exe
Token: SeMachineAccountPrivilege	1376	msiexec.exe
Token: SeTcbPrivilege	1376	msiexec.exe
Token: SeSecurityPrivilege	1376	msiexec.exe
Token: SeTakeOwnershipPrivilege	1376	msiexec.exe
Token: SeLoadDriverPrivilege	1376	msiexec.exe
Token: SeSystemProfilePrivilege	1376	msiexec.exe
Token: SeSystemtimePrivilege	1376	msiexec.exe
Token: SeProfSingleProcessPrivilege	1376	msiexec.exe
Token: SeIncBasePriorityPrivilege	1376	msiexec.exe
Token: SeCreatePagefilePrivilege	1376	msiexec.exe
Token: SeCreatePermanentPrivilege	1376	msiexec.exe
Token: SeBackupPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	1376	msiexec.exe
Token: SeShutdownPrivilege	1376	msiexec.exe
Token: SeDebugPrivilege	1376	msiexec.exe
Token: SeAuditPrivilege	1376	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1376	msiexec.exe
Token: SeChangeNotifyPrivilege	1376	msiexec.exe
Token: SeRemoteShutdownPrivilege	1376	msiexec.exe
Token: SeUndockPrivilege	1376	msiexec.exe
Token: SeSyncAgentPrivilege	1376	msiexec.exe
Token: SeEnableDelegationPrivilege	1376	msiexec.exe
Token: SeManageVolumePrivilege	1376	msiexec.exe
Token: SeImpersonatePrivilege	1376	msiexec.exe
Token: SeCreateGlobalPrivilege	1376	msiexec.exe
Token: SeRestorePrivilege	2340	msiexec.exe
Token: SeTakeOwnershipPrivilege	2340	msiexec.exe
Token: SeRestorePrivilege	2340	msiexec.exe
Token: SeTakeOwnershipPrivilege	2340	msiexec.exe
Token: SeDebugPrivilege	1972	powershell.exe
Token: SeDebugPrivilege	328	powershell.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 1376	2448	Untitled_June_06_25_2024_export.pdf.exe	28
PID 2448 wrote to memory of 1376	2448	Untitled_June_06_25_2024_export.pdf.exe	28
PID 2448 wrote to memory of 1376	2448	Untitled_June_06_25_2024_export.pdf.exe	28
PID 2448 wrote to memory of 1376	2448	Untitled_June_06_25_2024_export.pdf.exe	28
PID 2448 wrote to memory of 1376	2448	Untitled_June_06_25_2024_export.pdf.exe	28
PID 2340 wrote to memory of 2436	2340	msiexec.exe	30
PID 2340 wrote to memory of 2436	2340	msiexec.exe	30
PID 2340 wrote to memory of 2436	2340	msiexec.exe	30
PID 2340 wrote to memory of 2436	2340	msiexec.exe	30
PID 2340 wrote to memory of 2436	2340	msiexec.exe	30
PID 2340 wrote to memory of 2436	2340	msiexec.exe	30
PID 2340 wrote to memory of 2436	2340	msiexec.exe	30
PID 2436 wrote to memory of 2636	2436	MsiExec.exe	31
PID 2436 wrote to memory of 2636	2436	MsiExec.exe	31
PID 2436 wrote to memory of 2636	2436	MsiExec.exe	31
PID 2436 wrote to memory of 2636	2436	MsiExec.exe	31
PID 2436 wrote to memory of 2792	2436	MsiExec.exe	33
PID 2436 wrote to memory of 2792	2436	MsiExec.exe	33
PID 2436 wrote to memory of 2792	2436	MsiExec.exe	33
PID 2436 wrote to memory of 2792	2436	MsiExec.exe	33
PID 2436 wrote to memory of 2668	2436	MsiExec.exe	35
PID 2436 wrote to memory of 2668	2436	MsiExec.exe	35
PID 2436 wrote to memory of 2668	2436	MsiExec.exe	35
PID 2436 wrote to memory of 2668	2436	MsiExec.exe	35
PID 2436 wrote to memory of 2668	2436	MsiExec.exe	35
PID 2436 wrote to memory of 2668	2436	MsiExec.exe	35
PID 2436 wrote to memory of 2668	2436	MsiExec.exe	35
PID 2668 wrote to memory of 1972	2668	setup.exe	38
PID 2668 wrote to memory of 1972	2668	setup.exe	38
PID 2668 wrote to memory of 1972	2668	setup.exe	38
PID 2668 wrote to memory of 1972	2668	setup.exe	38
PID 2668 wrote to memory of 2592	2668	setup.exe	40
PID 2668 wrote to memory of 2592	2668	setup.exe	40
PID 2668 wrote to memory of 2592	2668	setup.exe	40
PID 2668 wrote to memory of 2592	2668	setup.exe	40
PID 2668 wrote to memory of 328	2668	setup.exe	44
PID 2668 wrote to memory of 328	2668	setup.exe	44
PID 2668 wrote to memory of 328	2668	setup.exe	44
PID 2668 wrote to memory of 328	2668	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:2448
- C:\Windows\system32\msiexec.exe
  msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1376

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:2340
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding A58EF5171C54860571A0D9891B12AA74
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\ICACLS.EXE
    "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-0a72db87-23d5-4cc9-aaa6-9bd9ccb93308\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
    3⤵
    - Modifies file permissions
    PID:2636
- - C:\Windows\SysWOW64\EXPAND.EXE
    "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
    3⤵
    - Drops file in Windows directory
    PID:2792
- - C:\Users\Admin\AppData\Local\Temp\MW-0a72db87-23d5-4cc9-aaa6-9bd9ccb93308\files\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\MW-0a72db87-23d5-4cc9-aaa6-9bd9ccb93308\files\setup.exe" /VERYSILENT /VERYSILENT
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - 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:1972
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo
      4⤵
      Gathers system information
      PID:2592
  - - 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:328

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-0a72db87-23d5-4cc9-aaa6-9bd9ccb93308\files.cab

Filesize
1.3MB

MD5
57c5b54337af1acd54c65c5abae694b2

SHA1
87b6b5eebf8fa70a42bd2cf192740b7130a521a2

SHA256
ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8

SHA512
af10bdc86a45d59d6e46b5cfa942348360c3ac4312d122bf80783673c448861621811a2c3f4446355037b98a67f642cb8ae27945619d0cd32aaeff9656c0982e

Download Submit
C:\Users\Admin\AppData\Local\Temp\MW-0a72db87-23d5-4cc9-aaa6-9bd9ccb93308\msiwrapper.ini

Filesize
1KB

MD5
de5b3cee2c93c85851baa1cb0e247a8f

SHA1
3b1089f82124cfcb5c3863c56637735021fcaf91

SHA256
0bc073aa8637b696e0aefec514f059c331a64e30269cb94092269bce1b4c2585

SHA512
2ba00340f479775b8aab9735b49060dfdc54953582b8a0b9fe2865161df40aa6f63dfbd58fc3372125f4bbe841ad6922026a97bf3fa2b500f258aa63bff520b4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CK397N2GYH0U9MI70R8F.temp

Filesize
7KB

MD5
5890f00b862ef274ec8051f088b8287f

SHA1
2511f87f4491944edf59d5eba7b1f73324944714

SHA256
56d739b8ca155ec6e886282ebd6d6a1d0e5ec0237c1db7d5728a1832ac52fd8c

SHA512
9f6e1fe8b3a2d48a331eff8d10ae91708393efdbdcdf338642bf7889e751bc77e03b93a8c83e4a813b068b32a3250331f9c92fda845b85e7f19186948636952b

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

Filesize
7KB

MD5
6457f50aadc584b8e14214480c2b265b

SHA1
6cac905fe0f76eca876329b05a2e6b6d81118bdb

SHA256
e321d9f452f67b4c83a83206f682f4eaf85190c691b683927333da19146968b1

SHA512
cb7b1520a7d4c1a4b64f35a38290277f7e8f59bc1458325cd91cc90ae74c56cf34781aef31128f5c5582390ccbc48ace7266d130ad825403c8a31b1596d32140

Download Submit
C:\Windows\Installer\MSIA5B1.tmp

Filesize
208KB

MD5
0c8921bbcc37c6efd34faf44cf3b0cb5

SHA1
dcfa71246157edcd09eecaf9d4c5e360b24b3e49

SHA256
fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1

SHA512
ed55443e20d40cca90596f0a0542fa5ab83fe0270399adfaafd172987fb813dfd44ec0da0a58c096af3641003f830341fe259ad5bce9823f238ae63b7e11e108

Download Submit
memory/2668-71-0x0000000010000000-0x000000001072E000-memory.dmp

Filesize
7.2MB

Download