umbral | 05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880f

Analysis

max time kernel
21s
max time network
22s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 13:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe
Size

231KB
MD5

01270329ba245395e02d8c9aa0d9fdf0
SHA1

edd621594425fddf0d13547a2cb4da372cafc273
SHA256

05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880f
SHA512

820da28c393a16658f8cc0f6b023e5028d5bd95799d9a1b2cbda2e49367532133322c2b27daa19ef53c6fc3859fa168a98272e44e27a17be064d511db194e137
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4ZlSY1DA0r6SjVg8ZHjb8e1mrji:joZtL+EP8ZlSY1DA0r6SjVg8ZHt

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2600-1-0x0000000000D80000-0x0000000000DC0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Umbral family
umbral

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
2368	powershell.exe
2796	powershell.exe
2208	powershell.exe
1724	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe

Deletes itself 1 IoCs

pid	Process
2384	cmd.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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

Web Service

T1102

flow	ioc
9	discord.com
10	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
6	ip-api.com

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2384	cmd.exe
608	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3048	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
608	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe
2368	powershell.exe
2796	powershell.exe
2208	powershell.exe
1884	powershell.exe
1724	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe
Token: SeIncreaseQuotaPrivilege	2068	wmic.exe
Token: SeSecurityPrivilege	2068	wmic.exe
Token: SeTakeOwnershipPrivilege	2068	wmic.exe
Token: SeLoadDriverPrivilege	2068	wmic.exe
Token: SeSystemProfilePrivilege	2068	wmic.exe
Token: SeSystemtimePrivilege	2068	wmic.exe
Token: SeProfSingleProcessPrivilege	2068	wmic.exe
Token: SeIncBasePriorityPrivilege	2068	wmic.exe
Token: SeCreatePagefilePrivilege	2068	wmic.exe
Token: SeBackupPrivilege	2068	wmic.exe
Token: SeRestorePrivilege	2068	wmic.exe
Token: SeShutdownPrivilege	2068	wmic.exe
Token: SeDebugPrivilege	2068	wmic.exe
Token: SeSystemEnvironmentPrivilege	2068	wmic.exe
Token: SeRemoteShutdownPrivilege	2068	wmic.exe
Token: SeUndockPrivilege	2068	wmic.exe
Token: SeManageVolumePrivilege	2068	wmic.exe
Token: 33	2068	wmic.exe
Token: 34	2068	wmic.exe
Token: 35	2068	wmic.exe
Token: SeIncreaseQuotaPrivilege	2068	wmic.exe
Token: SeSecurityPrivilege	2068	wmic.exe
Token: SeTakeOwnershipPrivilege	2068	wmic.exe
Token: SeLoadDriverPrivilege	2068	wmic.exe
Token: SeSystemProfilePrivilege	2068	wmic.exe
Token: SeSystemtimePrivilege	2068	wmic.exe
Token: SeProfSingleProcessPrivilege	2068	wmic.exe
Token: SeIncBasePriorityPrivilege	2068	wmic.exe
Token: SeCreatePagefilePrivilege	2068	wmic.exe
Token: SeBackupPrivilege	2068	wmic.exe
Token: SeRestorePrivilege	2068	wmic.exe
Token: SeShutdownPrivilege	2068	wmic.exe
Token: SeDebugPrivilege	2068	wmic.exe
Token: SeSystemEnvironmentPrivilege	2068	wmic.exe
Token: SeRemoteShutdownPrivilege	2068	wmic.exe
Token: SeUndockPrivilege	2068	wmic.exe
Token: SeManageVolumePrivilege	2068	wmic.exe
Token: 33	2068	wmic.exe
Token: 34	2068	wmic.exe
Token: 35	2068	wmic.exe
Token: SeDebugPrivilege	2368	powershell.exe
Token: SeDebugPrivilege	2796	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	1884	powershell.exe
Token: SeIncreaseQuotaPrivilege	2988	wmic.exe
Token: SeSecurityPrivilege	2988	wmic.exe
Token: SeTakeOwnershipPrivilege	2988	wmic.exe
Token: SeLoadDriverPrivilege	2988	wmic.exe
Token: SeSystemProfilePrivilege	2988	wmic.exe
Token: SeSystemtimePrivilege	2988	wmic.exe
Token: SeProfSingleProcessPrivilege	2988	wmic.exe
Token: SeIncBasePriorityPrivilege	2988	wmic.exe
Token: SeCreatePagefilePrivilege	2988	wmic.exe
Token: SeBackupPrivilege	2988	wmic.exe
Token: SeRestorePrivilege	2988	wmic.exe
Token: SeShutdownPrivilege	2988	wmic.exe
Token: SeDebugPrivilege	2988	wmic.exe
Token: SeSystemEnvironmentPrivilege	2988	wmic.exe
Token: SeRemoteShutdownPrivilege	2988	wmic.exe
Token: SeUndockPrivilege	2988	wmic.exe
Token: SeManageVolumePrivilege	2988	wmic.exe
Token: 33	2988	wmic.exe
Token: 34	2988	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2068	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	29
PID 2600 wrote to memory of 2068	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	29
PID 2600 wrote to memory of 2068	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	29
PID 2600 wrote to memory of 2824	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	32
PID 2600 wrote to memory of 2824	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	32
PID 2600 wrote to memory of 2824	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	32
PID 2600 wrote to memory of 2368	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	34
PID 2600 wrote to memory of 2368	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	34
PID 2600 wrote to memory of 2368	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	34
PID 2600 wrote to memory of 2796	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	36
PID 2600 wrote to memory of 2796	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	36
PID 2600 wrote to memory of 2796	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	36
PID 2600 wrote to memory of 2208	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	38
PID 2600 wrote to memory of 2208	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	38
PID 2600 wrote to memory of 2208	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	38
PID 2600 wrote to memory of 1884	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	40
PID 2600 wrote to memory of 1884	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	40
PID 2600 wrote to memory of 1884	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	40
PID 2600 wrote to memory of 2988	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	42
PID 2600 wrote to memory of 2988	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	42
PID 2600 wrote to memory of 2988	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	42
PID 2600 wrote to memory of 2040	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	44
PID 2600 wrote to memory of 2040	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	44
PID 2600 wrote to memory of 2040	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	44
PID 2600 wrote to memory of 2116	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	46
PID 2600 wrote to memory of 2116	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	46
PID 2600 wrote to memory of 2116	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	46
PID 2600 wrote to memory of 1724	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	48
PID 2600 wrote to memory of 1724	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	48
PID 2600 wrote to memory of 1724	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	48
PID 2600 wrote to memory of 3048	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	50
PID 2600 wrote to memory of 3048	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	50
PID 2600 wrote to memory of 3048	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	50
PID 2600 wrote to memory of 2384	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	52
PID 2600 wrote to memory of 2384	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	52
PID 2600 wrote to memory of 2384	2600	05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe	52
PID 2384 wrote to memory of 608	2384	cmd.exe	54
PID 2384 wrote to memory of 608	2384	cmd.exe	54
PID 2384 wrote to memory of 608	2384	cmd.exe	54

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2824	attrib.exe

C:\Users\Admin\AppData\Local\Temp\05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe
"C:\Users\Admin\AppData\Local\Temp\05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2068
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe"
  2⤵
  - Views/modifies file attributes
  PID:2824
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2368
- 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:2796
- 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:2208
- 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:1884
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2988
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2040
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2116
- 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:1724
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3048
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\05d89012ff0100526b06b84ea4ed992d8a3dc37198d2377eccc3e0a9d252880fN.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:608

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

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
aa5f72edb007b335f5be7c8b188c0432

SHA1
fb247f8c4afdcbb01ad4ff01e7865479e8eb8f4a

SHA256
bfe31ff4c4746e85a4a0e75f9af0ee92d15d3ab66ccdce46eb6f764430f3c212

SHA512
6753616547c0b73cfd1741cc047ea86c4aad8b0ce79706729f7798273ef424c8e465892f1b5841015eb0fc1132e797e7f63c6944395cac0f971662bb06e70087

Download Submit
memory/1724-47-0x0000000001F50000-0x0000000001F58000-memory.dmp

Filesize
32KB

Download
memory/2368-7-0x000000001B140000-0x000000001B422000-memory.dmp

Filesize
2.9MB

Download
memory/2368-8-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/2600-30-0x000007FEF6253000-0x000007FEF6254000-memory.dmp

Filesize
4KB

Download
memory/2600-2-0x000007FEF6250000-0x000007FEF6C3C000-memory.dmp

Filesize
9.9MB

Download
memory/2600-0-0x000007FEF6253000-0x000007FEF6254000-memory.dmp

Filesize
4KB

Download
memory/2600-36-0x000007FEF6250000-0x000007FEF6C3C000-memory.dmp

Filesize
9.9MB

Download
memory/2600-1-0x0000000000D80000-0x0000000000DC0000-memory.dmp

Filesize
256KB

Download
memory/2600-52-0x000007FEF6250000-0x000007FEF6C3C000-memory.dmp

Filesize
9.9MB

Download
memory/2796-14-0x000000001B310000-0x000000001B5F2000-memory.dmp

Filesize
2.9MB

Download
memory/2796-15-0x0000000001DF0000-0x0000000001DF8000-memory.dmp

Filesize
32KB

Download