umbral | c58b3fa42e404b4a095ee2959a7975b392d7d6b6af6e4d11c1431e3a430dfb6e

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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
behavioral2/memory/2616-1-0x0000016B7B880000-0x0000016B7B8C0000-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
4172	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

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
27	discord.com
25	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
4112	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1472	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe
4172	powershell.exe
4172	powershell.exe
3152	powershell.exe
3152	powershell.exe
340	powershell.exe
340	powershell.exe
3224	powershell.exe
3224	powershell.exe
3156	powershell.exe
3156	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe
Token: SeIncreaseQuotaPrivilege	2972	wmic.exe
Token: SeSecurityPrivilege	2972	wmic.exe
Token: SeTakeOwnershipPrivilege	2972	wmic.exe
Token: SeLoadDriverPrivilege	2972	wmic.exe
Token: SeSystemProfilePrivilege	2972	wmic.exe
Token: SeSystemtimePrivilege	2972	wmic.exe
Token: SeProfSingleProcessPrivilege	2972	wmic.exe
Token: SeIncBasePriorityPrivilege	2972	wmic.exe
Token: SeCreatePagefilePrivilege	2972	wmic.exe
Token: SeBackupPrivilege	2972	wmic.exe
Token: SeRestorePrivilege	2972	wmic.exe
Token: SeShutdownPrivilege	2972	wmic.exe
Token: SeDebugPrivilege	2972	wmic.exe
Token: SeSystemEnvironmentPrivilege	2972	wmic.exe
Token: SeRemoteShutdownPrivilege	2972	wmic.exe
Token: SeUndockPrivilege	2972	wmic.exe
Token: SeManageVolumePrivilege	2972	wmic.exe
Token: 33	2972	wmic.exe
Token: 34	2972	wmic.exe
Token: 35	2972	wmic.exe
Token: 36	2972	wmic.exe
Token: SeIncreaseQuotaPrivilege	2972	wmic.exe
Token: SeSecurityPrivilege	2972	wmic.exe
Token: SeTakeOwnershipPrivilege	2972	wmic.exe
Token: SeLoadDriverPrivilege	2972	wmic.exe
Token: SeSystemProfilePrivilege	2972	wmic.exe
Token: SeSystemtimePrivilege	2972	wmic.exe
Token: SeProfSingleProcessPrivilege	2972	wmic.exe
Token: SeIncBasePriorityPrivilege	2972	wmic.exe
Token: SeCreatePagefilePrivilege	2972	wmic.exe
Token: SeBackupPrivilege	2972	wmic.exe
Token: SeRestorePrivilege	2972	wmic.exe
Token: SeShutdownPrivilege	2972	wmic.exe
Token: SeDebugPrivilege	2972	wmic.exe
Token: SeSystemEnvironmentPrivilege	2972	wmic.exe
Token: SeRemoteShutdownPrivilege	2972	wmic.exe
Token: SeUndockPrivilege	2972	wmic.exe
Token: SeManageVolumePrivilege	2972	wmic.exe
Token: 33	2972	wmic.exe
Token: 34	2972	wmic.exe
Token: 35	2972	wmic.exe
Token: 36	2972	wmic.exe
Token: SeDebugPrivilege	4172	powershell.exe
Token: SeDebugPrivilege	3152	powershell.exe
Token: SeDebugPrivilege	340	powershell.exe
Token: SeDebugPrivilege	3224	powershell.exe
Token: SeIncreaseQuotaPrivilege	4864	wmic.exe
Token: SeSecurityPrivilege	4864	wmic.exe
Token: SeTakeOwnershipPrivilege	4864	wmic.exe
Token: SeLoadDriverPrivilege	4864	wmic.exe
Token: SeSystemProfilePrivilege	4864	wmic.exe
Token: SeSystemtimePrivilege	4864	wmic.exe
Token: SeProfSingleProcessPrivilege	4864	wmic.exe
Token: SeIncBasePriorityPrivilege	4864	wmic.exe
Token: SeCreatePagefilePrivilege	4864	wmic.exe
Token: SeBackupPrivilege	4864	wmic.exe
Token: SeRestorePrivilege	4864	wmic.exe
Token: SeShutdownPrivilege	4864	wmic.exe
Token: SeDebugPrivilege	4864	wmic.exe
Token: SeSystemEnvironmentPrivilege	4864	wmic.exe
Token: SeRemoteShutdownPrivilege	4864	wmic.exe
Token: SeUndockPrivilege	4864	wmic.exe
Token: SeManageVolumePrivilege	4864	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2972	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	83
PID 2616 wrote to memory of 2972	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	83
PID 2616 wrote to memory of 5100	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	89
PID 2616 wrote to memory of 5100	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	89
PID 2616 wrote to memory of 4172	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	91
PID 2616 wrote to memory of 4172	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	91
PID 2616 wrote to memory of 3152	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	94
PID 2616 wrote to memory of 3152	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	94
PID 2616 wrote to memory of 340	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	96
PID 2616 wrote to memory of 340	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	96
PID 2616 wrote to memory of 3224	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	98
PID 2616 wrote to memory of 3224	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	98
PID 2616 wrote to memory of 4864	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	103
PID 2616 wrote to memory of 4864	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	103
PID 2616 wrote to memory of 2560	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	105
PID 2616 wrote to memory of 2560	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	105
PID 2616 wrote to memory of 2160	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	107
PID 2616 wrote to memory of 2160	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	107
PID 2616 wrote to memory of 3156	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	109
PID 2616 wrote to memory of 3156	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	109
PID 2616 wrote to memory of 4112	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	111
PID 2616 wrote to memory of 4112	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	111
PID 2616 wrote to memory of 2024	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	118
PID 2616 wrote to memory of 2024	2616	9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe	118
PID 2024 wrote to memory of 1472	2024	cmd.exe	120
PID 2024 wrote to memory of 1472	2024	cmd.exe	120

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5100	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:2616
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2972
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\9694195bfd2d5a2d219c548d8dc65cf0_NeikiAnalytics.exe"
  2⤵
  - Views/modifies file attributes
  PID:5100
- 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:4172
- 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:3152
- 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:340
- 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:3224
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4864
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2560
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2160
- 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:3156
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4112
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:1472

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

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
5f0ddc7f3691c81ee14d17b419ba220d

SHA1
f0ef5fde8bab9d17c0b47137e014c91be888ee53

SHA256
a31805264b8b13ce4145f272cb2830728c186c46e314b48514d636866217add5

SHA512
2ce7c2a0833f581297c13dd88ccfcd36bf129d2b5d7718c52b1d67c97cbd8fc93abc085a040229a0fd712e880c690de7f6b996b0b47c46a091fabb7931be58d3

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

Filesize
948B

MD5
985b3105d8889886d6fd953575c54e08

SHA1
0f9a041240a344d82bac0a180520e7982c15f3cd

SHA256
5178fdd457eb3eb25c8f72ed4c22c582a83de0d324db66d0446d660f226e944d

SHA512
0fd59bc4886b70aa3b7eeeaa23229b7fdc93410ca7f8452860e4a1bbda2559eaa5e4b05c3ec2d85f7d648daf3c16741f4c2c18f2dd3bae4cc4a4e57ae4f665b0

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

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

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

Filesize
1KB

MD5
8b1c20efb837dcc63e3e20c8c0ae0436

SHA1
7ef76c7f6a457c8cb7255714b0a334f087f1945c

SHA256
3fc5b41740f2f92c4856947330e7a15c840d68198921e5a0fd99b600f4b3a647

SHA512
545a41707e5163a5c0bf0895ddc697897d244ccb752aa45657ff13c8dc21aada7ff12d5e178f8dc0f59a04bbb1a094b8ff9c5171078a8e606bbae20e9d831bb7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_holxdvej.a5r.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2616-71-0x0000016B7DD20000-0x0000016B7DD2A000-memory.dmp

Filesize
40KB

Download
memory/2616-35-0x0000016B7BD40000-0x0000016B7BD5E000-memory.dmp

Filesize
120KB

Download
memory/2616-90-0x00007FFF5E980000-0x00007FFF5F441000-memory.dmp

Filesize
10.8MB

Download
memory/2616-72-0x0000016B7DDB0000-0x0000016B7DDC2000-memory.dmp

Filesize
72KB

Download
memory/2616-2-0x00007FFF5E980000-0x00007FFF5F441000-memory.dmp

Filesize
10.8MB

Download
memory/2616-33-0x0000016B7E050000-0x0000016B7E0C6000-memory.dmp

Filesize
472KB

Download
memory/2616-34-0x0000016B7DD60000-0x0000016B7DDB0000-memory.dmp

Filesize
320KB

Download
memory/2616-0-0x00007FFF5E983000-0x00007FFF5E985000-memory.dmp

Filesize
8KB

Download
memory/2616-1-0x0000016B7B880000-0x0000016B7B8C0000-memory.dmp

Filesize
256KB

Download
memory/4172-15-0x00007FFF5E980000-0x00007FFF5F441000-memory.dmp

Filesize
10.8MB

Download
memory/4172-14-0x00007FFF5E980000-0x00007FFF5F441000-memory.dmp

Filesize
10.8MB

Download
memory/4172-10-0x00007FFF5E980000-0x00007FFF5F441000-memory.dmp

Filesize
10.8MB

Download
memory/4172-3-0x00000161A4380000-0x00000161A43A2000-memory.dmp

Filesize
136KB

Download
memory/4172-18-0x00007FFF5E980000-0x00007FFF5F441000-memory.dmp

Filesize
10.8MB

Download