umbral | 2fbf9b1fa42bb67b2dae0ca1cf30d4d860041c2aa9109dc968df12a14686cd88

Analysis

max time kernel
137s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 06:55

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General

Target

66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe
Size

231KB
MD5

66afbc31bf674b654e230610f0b380e0
SHA1

0765177dfb24e77aa6c246d9ea47d919fd073052
SHA256

2fbf9b1fa42bb67b2dae0ca1cf30d4d860041c2aa9109dc968df12a14686cd88
SHA512

2ef785884ed621f5c67a27f428b404c284575aaf7c77bf947925b173b6496dc2c7c0ffbd8b1f1796f0c286b89e1aeafe4d5ca4d608138286383eb46da4d46449
SSDEEP

6144:RloZMhrIkd8g+EtXHkv/iD4jOlqn9GuB70dP6aPLOb8e1m1/i:joZiL+EP8jOlqn9GuB70dP6aP+3

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/3724-0-0x000001B396710000-0x000001B396750000-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
2428	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.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
19	discord.com
20	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
17	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
5112	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2428	powershell.exe
2428	powershell.exe
1660	powershell.exe
1660	powershell.exe
5080	powershell.exe
5080	powershell.exe
3328	powershell.exe
3328	powershell.exe
4608	powershell.exe
4608	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe
Token: SeDebugPrivilege	2428	powershell.exe
Token: SeDebugPrivilege	1660	powershell.exe
Token: SeDebugPrivilege	5080	powershell.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeIncreaseQuotaPrivilege	4136	wmic.exe
Token: SeSecurityPrivilege	4136	wmic.exe
Token: SeTakeOwnershipPrivilege	4136	wmic.exe
Token: SeLoadDriverPrivilege	4136	wmic.exe
Token: SeSystemProfilePrivilege	4136	wmic.exe
Token: SeSystemtimePrivilege	4136	wmic.exe
Token: SeProfSingleProcessPrivilege	4136	wmic.exe
Token: SeIncBasePriorityPrivilege	4136	wmic.exe
Token: SeCreatePagefilePrivilege	4136	wmic.exe
Token: SeBackupPrivilege	4136	wmic.exe
Token: SeRestorePrivilege	4136	wmic.exe
Token: SeShutdownPrivilege	4136	wmic.exe
Token: SeDebugPrivilege	4136	wmic.exe
Token: SeSystemEnvironmentPrivilege	4136	wmic.exe
Token: SeRemoteShutdownPrivilege	4136	wmic.exe
Token: SeUndockPrivilege	4136	wmic.exe
Token: SeManageVolumePrivilege	4136	wmic.exe
Token: 33	4136	wmic.exe
Token: 34	4136	wmic.exe
Token: 35	4136	wmic.exe
Token: 36	4136	wmic.exe
Token: SeIncreaseQuotaPrivilege	4136	wmic.exe
Token: SeSecurityPrivilege	4136	wmic.exe
Token: SeTakeOwnershipPrivilege	4136	wmic.exe
Token: SeLoadDriverPrivilege	4136	wmic.exe
Token: SeSystemProfilePrivilege	4136	wmic.exe
Token: SeSystemtimePrivilege	4136	wmic.exe
Token: SeProfSingleProcessPrivilege	4136	wmic.exe
Token: SeIncBasePriorityPrivilege	4136	wmic.exe
Token: SeCreatePagefilePrivilege	4136	wmic.exe
Token: SeBackupPrivilege	4136	wmic.exe
Token: SeRestorePrivilege	4136	wmic.exe
Token: SeShutdownPrivilege	4136	wmic.exe
Token: SeDebugPrivilege	4136	wmic.exe
Token: SeSystemEnvironmentPrivilege	4136	wmic.exe
Token: SeRemoteShutdownPrivilege	4136	wmic.exe
Token: SeUndockPrivilege	4136	wmic.exe
Token: SeManageVolumePrivilege	4136	wmic.exe
Token: 33	4136	wmic.exe
Token: 34	4136	wmic.exe
Token: 35	4136	wmic.exe
Token: 36	4136	wmic.exe
Token: SeIncreaseQuotaPrivilege	3992	wmic.exe
Token: SeSecurityPrivilege	3992	wmic.exe
Token: SeTakeOwnershipPrivilege	3992	wmic.exe
Token: SeLoadDriverPrivilege	3992	wmic.exe
Token: SeSystemProfilePrivilege	3992	wmic.exe
Token: SeSystemtimePrivilege	3992	wmic.exe
Token: SeProfSingleProcessPrivilege	3992	wmic.exe
Token: SeIncBasePriorityPrivilege	3992	wmic.exe
Token: SeCreatePagefilePrivilege	3992	wmic.exe
Token: SeBackupPrivilege	3992	wmic.exe
Token: SeRestorePrivilege	3992	wmic.exe
Token: SeShutdownPrivilege	3992	wmic.exe
Token: SeDebugPrivilege	3992	wmic.exe
Token: SeSystemEnvironmentPrivilege	3992	wmic.exe
Token: SeRemoteShutdownPrivilege	3992	wmic.exe
Token: SeUndockPrivilege	3992	wmic.exe
Token: SeManageVolumePrivilege	3992	wmic.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 2428	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	83
PID 3724 wrote to memory of 2428	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	83
PID 3724 wrote to memory of 1660	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	86
PID 3724 wrote to memory of 1660	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	86
PID 3724 wrote to memory of 5080	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	88
PID 3724 wrote to memory of 5080	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	88
PID 3724 wrote to memory of 3328	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	91
PID 3724 wrote to memory of 3328	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	91
PID 3724 wrote to memory of 4136	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	96
PID 3724 wrote to memory of 4136	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	96
PID 3724 wrote to memory of 3992	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	99
PID 3724 wrote to memory of 3992	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	99
PID 3724 wrote to memory of 4232	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	101
PID 3724 wrote to memory of 4232	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	101
PID 3724 wrote to memory of 4608	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	103
PID 3724 wrote to memory of 4608	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	103
PID 3724 wrote to memory of 5112	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	105
PID 3724 wrote to memory of 5112	3724	66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe	105

C:\Users\Admin\AppData\Local\Temp\66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\66afbc31bf674b654e230610f0b380e0_NeikiAnalytics.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2428
- 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:1660
- 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:5080
- 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:3328
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4136
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3992
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4232
- 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:4608
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:5112

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

Credential Access

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

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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
2b566ffd6de9e256d318da539ea226be

SHA1
5687791670b1391754d5c4d80e520cf7e3edd3db

SHA256
c292acf9fdd61c1cc21b4e3139b32b20b878b7094e7b30fc9d255f0bf60059ef

SHA512
3d76037af1080d099ef0037d1e49a40c883e452bb2e4d8f528d5f824142189ea92faa03488cadee2b30ec9b3a8283935a8b3c26e10578dd1ebbca9eda3a5ea7c

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

Filesize
1KB

MD5
88be3bc8a7f90e3953298c0fdbec4d72

SHA1
f4969784ad421cc80ef45608727aacd0f6bf2e4b

SHA256
533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

SHA512
4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

Filesize
1KB

MD5
ec79fae4e7c09310ebf4f2d85a33a638

SHA1
f2bdd995b12e65e7ed437d228f22223b59e76efb

SHA256
e9c4723a5fe34e081c3d2f548a1d472394cc7aa58056fcf44ca542061381243a

SHA512
af9dda12f6bb388d826fe03a4a8beed9bda23a978aa55a2af6a43271660ee896a7ee3bcf2c4d2f1e6180902791d8c23560f1c2ec097a501d8c6f4f6c49075625

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gti1hrxp.4f1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2428-9-0x0000021EF5330000-0x0000021EF5352000-memory.dmp

Filesize
136KB

Download
memory/2428-14-0x00007FFCA8C20000-0x00007FFCA96E1000-memory.dmp

Filesize
10.8MB

Download
memory/2428-15-0x00007FFCA8C20000-0x00007FFCA96E1000-memory.dmp

Filesize
10.8MB

Download
memory/2428-18-0x00007FFCA8C20000-0x00007FFCA96E1000-memory.dmp

Filesize
10.8MB

Download
memory/2428-8-0x00007FFCA8C20000-0x00007FFCA96E1000-memory.dmp

Filesize
10.8MB

Download
memory/3724-33-0x000001B3B0DF0000-0x000001B3B0E40000-memory.dmp

Filesize
320KB

Download
memory/3724-32-0x000001B3B0E40000-0x000001B3B0EB6000-memory.dmp

Filesize
472KB

Download
memory/3724-34-0x000001B3B0DC0000-0x000001B3B0DDE000-memory.dmp

Filesize
120KB

Download
memory/3724-0-0x000001B396710000-0x000001B396750000-memory.dmp

Filesize
256KB

Download
memory/3724-1-0x00007FFCA8C23000-0x00007FFCA8C25000-memory.dmp

Filesize
8KB

Download
memory/3724-71-0x000001B3B0F00000-0x000001B3B0F12000-memory.dmp

Filesize
72KB

Download
memory/3724-70-0x000001B3B0ED0000-0x000001B3B0EDA000-memory.dmp

Filesize
40KB

Download
memory/3724-2-0x00007FFCA8C20000-0x00007FFCA96E1000-memory.dmp

Filesize
10.8MB

Download
memory/3724-89-0x00007FFCA8C20000-0x00007FFCA96E1000-memory.dmp

Filesize
10.8MB

Download