umbral | 4641bea6ae464a8c278a7e0529f754c08f60edc46ecf63b5b4c8775df8c54649

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 20:31

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General

Target

7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe
Size

231KB
MD5

7bc6b8054abd6114c35c454c071c7290
SHA1

c88749c113c114d0fe437f4f701b9402a6d11e92
SHA256

4641bea6ae464a8c278a7e0529f754c08f60edc46ecf63b5b4c8775df8c54649
SHA512

4a0cdc2e0b86cacb92f684faec19764882653e75d7d66c37e9da0dec08b6beaadea432c161f1eda9e596ff14bea88c42af51c6837c954b3d3252beebd85991fe
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4vTIgiAfbofxUyzzq2Ab8e1mT8Ti:joZtL+EP8vTIgiAfbofxUyzzqzK9

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/4920-1-0x0000026DFD670000-0x0000026DFD6B0000-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
4924	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	7bc6b8054abd6114c35c454c071c7290_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
28	discord.com
27	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
5	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4636	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5036	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe
4924	powershell.exe
4924	powershell.exe
3204	powershell.exe
3204	powershell.exe
5012	powershell.exe
5012	powershell.exe
4408	powershell.exe
4408	powershell.exe
1376	powershell.exe
1376	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe
Token: SeIncreaseQuotaPrivilege	4756	wmic.exe
Token: SeSecurityPrivilege	4756	wmic.exe
Token: SeTakeOwnershipPrivilege	4756	wmic.exe
Token: SeLoadDriverPrivilege	4756	wmic.exe
Token: SeSystemProfilePrivilege	4756	wmic.exe
Token: SeSystemtimePrivilege	4756	wmic.exe
Token: SeProfSingleProcessPrivilege	4756	wmic.exe
Token: SeIncBasePriorityPrivilege	4756	wmic.exe
Token: SeCreatePagefilePrivilege	4756	wmic.exe
Token: SeBackupPrivilege	4756	wmic.exe
Token: SeRestorePrivilege	4756	wmic.exe
Token: SeShutdownPrivilege	4756	wmic.exe
Token: SeDebugPrivilege	4756	wmic.exe
Token: SeSystemEnvironmentPrivilege	4756	wmic.exe
Token: SeRemoteShutdownPrivilege	4756	wmic.exe
Token: SeUndockPrivilege	4756	wmic.exe
Token: SeManageVolumePrivilege	4756	wmic.exe
Token: 33	4756	wmic.exe
Token: 34	4756	wmic.exe
Token: 35	4756	wmic.exe
Token: 36	4756	wmic.exe
Token: SeIncreaseQuotaPrivilege	4756	wmic.exe
Token: SeSecurityPrivilege	4756	wmic.exe
Token: SeTakeOwnershipPrivilege	4756	wmic.exe
Token: SeLoadDriverPrivilege	4756	wmic.exe
Token: SeSystemProfilePrivilege	4756	wmic.exe
Token: SeSystemtimePrivilege	4756	wmic.exe
Token: SeProfSingleProcessPrivilege	4756	wmic.exe
Token: SeIncBasePriorityPrivilege	4756	wmic.exe
Token: SeCreatePagefilePrivilege	4756	wmic.exe
Token: SeBackupPrivilege	4756	wmic.exe
Token: SeRestorePrivilege	4756	wmic.exe
Token: SeShutdownPrivilege	4756	wmic.exe
Token: SeDebugPrivilege	4756	wmic.exe
Token: SeSystemEnvironmentPrivilege	4756	wmic.exe
Token: SeRemoteShutdownPrivilege	4756	wmic.exe
Token: SeUndockPrivilege	4756	wmic.exe
Token: SeManageVolumePrivilege	4756	wmic.exe
Token: 33	4756	wmic.exe
Token: 34	4756	wmic.exe
Token: 35	4756	wmic.exe
Token: 36	4756	wmic.exe
Token: SeDebugPrivilege	4924	powershell.exe
Token: SeDebugPrivilege	3204	powershell.exe
Token: SeDebugPrivilege	5012	powershell.exe
Token: SeDebugPrivilege	4408	powershell.exe
Token: SeIncreaseQuotaPrivilege	3332	wmic.exe
Token: SeSecurityPrivilege	3332	wmic.exe
Token: SeTakeOwnershipPrivilege	3332	wmic.exe
Token: SeLoadDriverPrivilege	3332	wmic.exe
Token: SeSystemProfilePrivilege	3332	wmic.exe
Token: SeSystemtimePrivilege	3332	wmic.exe
Token: SeProfSingleProcessPrivilege	3332	wmic.exe
Token: SeIncBasePriorityPrivilege	3332	wmic.exe
Token: SeCreatePagefilePrivilege	3332	wmic.exe
Token: SeBackupPrivilege	3332	wmic.exe
Token: SeRestorePrivilege	3332	wmic.exe
Token: SeShutdownPrivilege	3332	wmic.exe
Token: SeDebugPrivilege	3332	wmic.exe
Token: SeSystemEnvironmentPrivilege	3332	wmic.exe
Token: SeRemoteShutdownPrivilege	3332	wmic.exe
Token: SeUndockPrivilege	3332	wmic.exe
Token: SeManageVolumePrivilege	3332	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4756	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	85
PID 4920 wrote to memory of 4756	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	85
PID 4920 wrote to memory of 3900	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	89
PID 4920 wrote to memory of 3900	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	89
PID 4920 wrote to memory of 4924	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	91
PID 4920 wrote to memory of 4924	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	91
PID 4920 wrote to memory of 3204	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	95
PID 4920 wrote to memory of 3204	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	95
PID 4920 wrote to memory of 5012	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	97
PID 4920 wrote to memory of 5012	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	97
PID 4920 wrote to memory of 4408	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	99
PID 4920 wrote to memory of 4408	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	99
PID 4920 wrote to memory of 3332	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	103
PID 4920 wrote to memory of 3332	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	103
PID 4920 wrote to memory of 4056	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	105
PID 4920 wrote to memory of 4056	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	105
PID 4920 wrote to memory of 1964	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	107
PID 4920 wrote to memory of 1964	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	107
PID 4920 wrote to memory of 1376	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	109
PID 4920 wrote to memory of 1376	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	109
PID 4920 wrote to memory of 4636	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	111
PID 4920 wrote to memory of 4636	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	111
PID 4920 wrote to memory of 3836	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	114
PID 4920 wrote to memory of 3836	4920	7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe	114
PID 3836 wrote to memory of 5036	3836	cmd.exe	116
PID 3836 wrote to memory of 5036	3836	cmd.exe	116

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3900	attrib.exe

C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4756
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe"
  2⤵
  - Views/modifies file attributes
  PID:3900
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4924
- 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:3204
- 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:5012
- 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:4408
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3332
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4056
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1964
- 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:1376
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4636
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\7bc6b8054abd6114c35c454c071c7290_NeikiAnalytics.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3836
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:5036

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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
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_0vgenl2h.4qn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4920-1-0x0000026DFD670000-0x0000026DFD6B0000-memory.dmp

Filesize
256KB

Download
memory/4920-34-0x0000026DFFDB0000-0x0000026DFFE26000-memory.dmp

Filesize
472KB

Download
memory/4920-91-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

Filesize
10.8MB

Download
memory/4920-73-0x0000026DFFE50000-0x0000026DFFE62000-memory.dmp

Filesize
72KB

Download
memory/4920-2-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

Filesize
10.8MB

Download
memory/4920-0-0x00007FFC198A3000-0x00007FFC198A5000-memory.dmp

Filesize
8KB

Download
memory/4920-35-0x0000026DFFB10000-0x0000026DFFB60000-memory.dmp

Filesize
320KB

Download
memory/4920-72-0x0000026DFFAC0000-0x0000026DFFACA000-memory.dmp

Filesize
40KB

Download
memory/4920-36-0x0000026DFFAE0000-0x0000026DFFAFE000-memory.dmp

Filesize
120KB

Download
memory/4924-14-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

Filesize
10.8MB

Download
memory/4924-13-0x00000223EE4F0000-0x00000223EE512000-memory.dmp

Filesize
136KB

Download
memory/4924-15-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

Filesize
10.8MB

Download
memory/4924-19-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

Filesize
10.8MB

Download
memory/4924-12-0x00007FFC198A0000-0x00007FFC1A361000-memory.dmp

Filesize
10.8MB

Download
memory/4924-18-0x00000223EE0D0000-0x00000223EE2EC000-memory.dmp

Filesize
2.1MB

Download