umbral | c58b3fa42e404b4a095ee2959a7975b392d7d6b6af6e4d11c1431e3a430dfb6e

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-06-2024 09:38

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General

Target

9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe
Size

230KB
MD5

9694195bfd2d5a2d219c548d8dc65cf0
SHA1

d1113d97bb1114025e9260e898f3a3048a5a6fda
SHA256

c58b3fa42e404b4a095ee2959a7975b392d7d6b6af6e4d11c1431e3a430dfb6e
SHA512

24bb0f6432b221fe621d81a1c730bd473e9c295aa66a2b50cbe670ad2260f942a915f7f9aef65e6dc28320b8208fc712d9bfdc43dbc1a607ed9393bb5c17051a
SSDEEP

6144:9loZM+rIkd8g+EtXHkv/iD4H/pduMzvExlwOffujfb8e1mYoi:foZtL+EP8H/pduMzvExlwOffuvZR

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2972-1-0x00000000002C0000-0x0000000000300000-memory.dmp	family_umbral

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

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
2860	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe

Deletes itself 1 IoCs

pid	Process
2932	cmd.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
7	discord.com
8	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
4	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2036	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1404	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe
2860	powershell.exe
2624	powershell.exe
2348	powershell.exe
2768	powershell.exe
604	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe
Token: SeIncreaseQuotaPrivilege	2564	wmic.exe
Token: SeSecurityPrivilege	2564	wmic.exe
Token: SeTakeOwnershipPrivilege	2564	wmic.exe
Token: SeLoadDriverPrivilege	2564	wmic.exe
Token: SeSystemProfilePrivilege	2564	wmic.exe
Token: SeSystemtimePrivilege	2564	wmic.exe
Token: SeProfSingleProcessPrivilege	2564	wmic.exe
Token: SeIncBasePriorityPrivilege	2564	wmic.exe
Token: SeCreatePagefilePrivilege	2564	wmic.exe
Token: SeBackupPrivilege	2564	wmic.exe
Token: SeRestorePrivilege	2564	wmic.exe
Token: SeShutdownPrivilege	2564	wmic.exe
Token: SeDebugPrivilege	2564	wmic.exe
Token: SeSystemEnvironmentPrivilege	2564	wmic.exe
Token: SeRemoteShutdownPrivilege	2564	wmic.exe
Token: SeUndockPrivilege	2564	wmic.exe
Token: SeManageVolumePrivilege	2564	wmic.exe
Token: 33	2564	wmic.exe
Token: 34	2564	wmic.exe
Token: 35	2564	wmic.exe
Token: SeIncreaseQuotaPrivilege	2564	wmic.exe
Token: SeSecurityPrivilege	2564	wmic.exe
Token: SeTakeOwnershipPrivilege	2564	wmic.exe
Token: SeLoadDriverPrivilege	2564	wmic.exe
Token: SeSystemProfilePrivilege	2564	wmic.exe
Token: SeSystemtimePrivilege	2564	wmic.exe
Token: SeProfSingleProcessPrivilege	2564	wmic.exe
Token: SeIncBasePriorityPrivilege	2564	wmic.exe
Token: SeCreatePagefilePrivilege	2564	wmic.exe
Token: SeBackupPrivilege	2564	wmic.exe
Token: SeRestorePrivilege	2564	wmic.exe
Token: SeShutdownPrivilege	2564	wmic.exe
Token: SeDebugPrivilege	2564	wmic.exe
Token: SeSystemEnvironmentPrivilege	2564	wmic.exe
Token: SeRemoteShutdownPrivilege	2564	wmic.exe
Token: SeUndockPrivilege	2564	wmic.exe
Token: SeManageVolumePrivilege	2564	wmic.exe
Token: 33	2564	wmic.exe
Token: 34	2564	wmic.exe
Token: 35	2564	wmic.exe
Token: SeDebugPrivilege	2860	powershell.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	2348	powershell.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeIncreaseQuotaPrivilege	1560	wmic.exe
Token: SeSecurityPrivilege	1560	wmic.exe
Token: SeTakeOwnershipPrivilege	1560	wmic.exe
Token: SeLoadDriverPrivilege	1560	wmic.exe
Token: SeSystemProfilePrivilege	1560	wmic.exe
Token: SeSystemtimePrivilege	1560	wmic.exe
Token: SeProfSingleProcessPrivilege	1560	wmic.exe
Token: SeIncBasePriorityPrivilege	1560	wmic.exe
Token: SeCreatePagefilePrivilege	1560	wmic.exe
Token: SeBackupPrivilege	1560	wmic.exe
Token: SeRestorePrivilege	1560	wmic.exe
Token: SeShutdownPrivilege	1560	wmic.exe
Token: SeDebugPrivilege	1560	wmic.exe
Token: SeSystemEnvironmentPrivilege	1560	wmic.exe
Token: SeRemoteShutdownPrivilege	1560	wmic.exe
Token: SeUndockPrivilege	1560	wmic.exe
Token: SeManageVolumePrivilege	1560	wmic.exe
Token: 33	1560	wmic.exe
Token: 34	1560	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2564	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	28
PID 2972 wrote to memory of 2564	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	28
PID 2972 wrote to memory of 2564	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	28
PID 2972 wrote to memory of 2464	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	31
PID 2972 wrote to memory of 2464	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	31
PID 2972 wrote to memory of 2464	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	31
PID 2972 wrote to memory of 2860	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	33
PID 2972 wrote to memory of 2860	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	33
PID 2972 wrote to memory of 2860	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	33
PID 2972 wrote to memory of 2624	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	35
PID 2972 wrote to memory of 2624	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	35
PID 2972 wrote to memory of 2624	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	35
PID 2972 wrote to memory of 2348	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	37
PID 2972 wrote to memory of 2348	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	37
PID 2972 wrote to memory of 2348	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	37
PID 2972 wrote to memory of 2768	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	39
PID 2972 wrote to memory of 2768	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	39
PID 2972 wrote to memory of 2768	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	39
PID 2972 wrote to memory of 1560	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	41
PID 2972 wrote to memory of 1560	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	41
PID 2972 wrote to memory of 1560	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	41
PID 2972 wrote to memory of 1536	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	43
PID 2972 wrote to memory of 1536	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	43
PID 2972 wrote to memory of 1536	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	43
PID 2972 wrote to memory of 1328	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	45
PID 2972 wrote to memory of 1328	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	45
PID 2972 wrote to memory of 1328	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	45
PID 2972 wrote to memory of 604	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	47
PID 2972 wrote to memory of 604	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	47
PID 2972 wrote to memory of 604	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	47
PID 2972 wrote to memory of 2036	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	49
PID 2972 wrote to memory of 2036	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	49
PID 2972 wrote to memory of 2036	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	49
PID 2972 wrote to memory of 2932	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	51
PID 2972 wrote to memory of 2932	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	51
PID 2972 wrote to memory of 2932	2972	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	51
PID 2932 wrote to memory of 1404	2932	cmd.exe	53
PID 2932 wrote to memory of 1404	2932	cmd.exe	53
PID 2932 wrote to memory of 1404	2932	cmd.exe	53

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2464	attrib.exe

C:\Users\Admin\AppData\Local\Temp\9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2564
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe"
  2⤵
  - Views/modifies file attributes
  PID:2464
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2860
- 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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2348
- 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:2768
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1560
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1536
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1328
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:604
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2036
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe" && pause
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:1404

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
d04fe6e8fd654bbb7366193b8e75df4e

SHA1
8ee6bac1ae038a28aa2e0efa5f034c12246a3118

SHA256
ce52fd9d4a0f928f5416b72b154ade4b39b672e4f2725b741f453afa2297decd

SHA512
bf2e2d97004f1ae98faa93c61901eeff37a364a128bceab6e29504c602020587ae9fe1586a9be647af7e1865615f90ceb778d32fb259af4eec5149b69dd8881d

Download Submit
memory/604-42-0x00000000028F0000-0x00000000028F8000-memory.dmp

Filesize
32KB

Download
memory/2624-14-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download
memory/2624-15-0x00000000022D0000-0x00000000022D8000-memory.dmp

Filesize
32KB

Download
memory/2860-7-0x000000001B780000-0x000000001BA62000-memory.dmp

Filesize
2.9MB

Download
memory/2860-8-0x0000000002070000-0x0000000002078000-memory.dmp

Filesize
32KB

Download
memory/2972-0-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

Filesize
4KB

Download
memory/2972-1-0x00000000002C0000-0x0000000000300000-memory.dmp

Filesize
256KB

Download
memory/2972-2-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2972-46-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download