umbral | 7cc4986dc20df19411853b438b5ab5ed120bbbd8a230179587184b764a1db0ed

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 08:47

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General

Target

GeneratorKontMinecraft.exe
Size

229KB
MD5

c9f4abcf1c590b565096f62cb9c16a16
SHA1

64fe0fdb6ec501217e8323cf640492baa17e9805
SHA256

7cc4986dc20df19411853b438b5ab5ed120bbbd8a230179587184b764a1db0ed
SHA512

1671e3219bfb04991790b9b06e046d74309635613bf4e72ea80070613784fb38f26dfbe5e5ca7a57214eb68372cd8fb773e0a1d476db0b800cb77e69e9c8ba2e
SSDEEP

6144:lloZM+rIkd8g+EtXHkv/iD4SxaokqNlO5LWU1pAR6b8e1mji:noZtL+EP8SxaokqNlO5LWU1pAoB

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/3196-1-0x0000017897290000-0x00000178972D0000-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
1892	powershell.exe
4708	powershell.exe
60	powershell.exe
4464	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	GeneratorKontMinecraft.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
27	discord.com
28	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
3	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
5052	cmd.exe
624	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1676	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
624	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3196	GeneratorKontMinecraft.exe
1892	powershell.exe
1892	powershell.exe
4708	powershell.exe
4708	powershell.exe
60	powershell.exe
60	powershell.exe
4936	powershell.exe
4936	powershell.exe
4464	powershell.exe
4464	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3196	GeneratorKontMinecraft.exe
Token: SeIncreaseQuotaPrivilege	3180	wmic.exe
Token: SeSecurityPrivilege	3180	wmic.exe
Token: SeTakeOwnershipPrivilege	3180	wmic.exe
Token: SeLoadDriverPrivilege	3180	wmic.exe
Token: SeSystemProfilePrivilege	3180	wmic.exe
Token: SeSystemtimePrivilege	3180	wmic.exe
Token: SeProfSingleProcessPrivilege	3180	wmic.exe
Token: SeIncBasePriorityPrivilege	3180	wmic.exe
Token: SeCreatePagefilePrivilege	3180	wmic.exe
Token: SeBackupPrivilege	3180	wmic.exe
Token: SeRestorePrivilege	3180	wmic.exe
Token: SeShutdownPrivilege	3180	wmic.exe
Token: SeDebugPrivilege	3180	wmic.exe
Token: SeSystemEnvironmentPrivilege	3180	wmic.exe
Token: SeRemoteShutdownPrivilege	3180	wmic.exe
Token: SeUndockPrivilege	3180	wmic.exe
Token: SeManageVolumePrivilege	3180	wmic.exe
Token: 33	3180	wmic.exe
Token: 34	3180	wmic.exe
Token: 35	3180	wmic.exe
Token: 36	3180	wmic.exe
Token: SeIncreaseQuotaPrivilege	3180	wmic.exe
Token: SeSecurityPrivilege	3180	wmic.exe
Token: SeTakeOwnershipPrivilege	3180	wmic.exe
Token: SeLoadDriverPrivilege	3180	wmic.exe
Token: SeSystemProfilePrivilege	3180	wmic.exe
Token: SeSystemtimePrivilege	3180	wmic.exe
Token: SeProfSingleProcessPrivilege	3180	wmic.exe
Token: SeIncBasePriorityPrivilege	3180	wmic.exe
Token: SeCreatePagefilePrivilege	3180	wmic.exe
Token: SeBackupPrivilege	3180	wmic.exe
Token: SeRestorePrivilege	3180	wmic.exe
Token: SeShutdownPrivilege	3180	wmic.exe
Token: SeDebugPrivilege	3180	wmic.exe
Token: SeSystemEnvironmentPrivilege	3180	wmic.exe
Token: SeRemoteShutdownPrivilege	3180	wmic.exe
Token: SeUndockPrivilege	3180	wmic.exe
Token: SeManageVolumePrivilege	3180	wmic.exe
Token: 33	3180	wmic.exe
Token: 34	3180	wmic.exe
Token: 35	3180	wmic.exe
Token: 36	3180	wmic.exe
Token: SeDebugPrivilege	1892	powershell.exe
Token: SeDebugPrivilege	4708	powershell.exe
Token: SeDebugPrivilege	60	powershell.exe
Token: SeDebugPrivilege	4936	powershell.exe
Token: SeIncreaseQuotaPrivilege	4356	wmic.exe
Token: SeSecurityPrivilege	4356	wmic.exe
Token: SeTakeOwnershipPrivilege	4356	wmic.exe
Token: SeLoadDriverPrivilege	4356	wmic.exe
Token: SeSystemProfilePrivilege	4356	wmic.exe
Token: SeSystemtimePrivilege	4356	wmic.exe
Token: SeProfSingleProcessPrivilege	4356	wmic.exe
Token: SeIncBasePriorityPrivilege	4356	wmic.exe
Token: SeCreatePagefilePrivilege	4356	wmic.exe
Token: SeBackupPrivilege	4356	wmic.exe
Token: SeRestorePrivilege	4356	wmic.exe
Token: SeShutdownPrivilege	4356	wmic.exe
Token: SeDebugPrivilege	4356	wmic.exe
Token: SeSystemEnvironmentPrivilege	4356	wmic.exe
Token: SeRemoteShutdownPrivilege	4356	wmic.exe
Token: SeUndockPrivilege	4356	wmic.exe
Token: SeManageVolumePrivilege	4356	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 3180	3196	GeneratorKontMinecraft.exe	86
PID 3196 wrote to memory of 3180	3196	GeneratorKontMinecraft.exe	86
PID 3196 wrote to memory of 440	3196	GeneratorKontMinecraft.exe	89
PID 3196 wrote to memory of 440	3196	GeneratorKontMinecraft.exe	89
PID 3196 wrote to memory of 1892	3196	GeneratorKontMinecraft.exe	91
PID 3196 wrote to memory of 1892	3196	GeneratorKontMinecraft.exe	91
PID 3196 wrote to memory of 4708	3196	GeneratorKontMinecraft.exe	93
PID 3196 wrote to memory of 4708	3196	GeneratorKontMinecraft.exe	93
PID 3196 wrote to memory of 60	3196	GeneratorKontMinecraft.exe	96
PID 3196 wrote to memory of 60	3196	GeneratorKontMinecraft.exe	96
PID 3196 wrote to memory of 4936	3196	GeneratorKontMinecraft.exe	98
PID 3196 wrote to memory of 4936	3196	GeneratorKontMinecraft.exe	98
PID 3196 wrote to memory of 4356	3196	GeneratorKontMinecraft.exe	100
PID 3196 wrote to memory of 4356	3196	GeneratorKontMinecraft.exe	100
PID 3196 wrote to memory of 1464	3196	GeneratorKontMinecraft.exe	102
PID 3196 wrote to memory of 1464	3196	GeneratorKontMinecraft.exe	102
PID 3196 wrote to memory of 2212	3196	GeneratorKontMinecraft.exe	105
PID 3196 wrote to memory of 2212	3196	GeneratorKontMinecraft.exe	105
PID 3196 wrote to memory of 4464	3196	GeneratorKontMinecraft.exe	107
PID 3196 wrote to memory of 4464	3196	GeneratorKontMinecraft.exe	107
PID 3196 wrote to memory of 1676	3196	GeneratorKontMinecraft.exe	110
PID 3196 wrote to memory of 1676	3196	GeneratorKontMinecraft.exe	110
PID 3196 wrote to memory of 5052	3196	GeneratorKontMinecraft.exe	113
PID 3196 wrote to memory of 5052	3196	GeneratorKontMinecraft.exe	113
PID 5052 wrote to memory of 624	5052	cmd.exe	115
PID 5052 wrote to memory of 624	5052	cmd.exe	115

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
440	attrib.exe

C:\Users\Admin\AppData\Local\Temp\GeneratorKontMinecraft.exe
"C:\Users\Admin\AppData\Local\Temp\GeneratorKontMinecraft.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3196
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3180
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\GeneratorKontMinecraft.exe"
  2⤵
  - Views/modifies file attributes
  PID:440
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\GeneratorKontMinecraft.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1892
- 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:4708
- 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:60
- 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:4936
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4356
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1464
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2212
- 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:4464
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1676
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\GeneratorKontMinecraft.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:624

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3264

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

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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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
948B

MD5
c65738617888921a153bd9b1ef516ee7

SHA1
5245e71ea3c181d76320c857b639272ac9e079b1

SHA256
4640ba4001fd16a593315299cbdd4988dc2c7075820687f1018aac40aca95c26

SHA512
2e2a0ebd93f9d8dd07a7599054bce232683e9add9a35e77b584618040bcfd84a42545352519ec4736cc379002210b6f3ed2d905591c6925c0981b0392b495bfa

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

Filesize
1KB

MD5
548dd08570d121a65e82abb7171cae1c

SHA1
1a1b5084b3a78f3acd0d811cc79dbcac121217ab

SHA256
cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc

SHA512
37b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b

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

Filesize
1KB

MD5
6317adf4fbc43ea2fd68861fafd57155

SHA1
6b87c718893c83c6eed2767e8d9cbc6443e31913

SHA256
c1ead17eef37b4b461cedc276504a441489e819c7f943037f2001966aeec90af

SHA512
17229aae8622e4bfc3caaac55684f7d4ccd3162af5919c851b1d8ac4060b6bb7b75044ecee116523d05acb55197dcb60780958f629450edef386f1e6f65f49f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_db0bcnvo.jqa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1892-8-0x00007FFC68020000-0x00007FFC68AE1000-memory.dmp

Filesize
10.8MB

Download
memory/1892-17-0x00007FFC68020000-0x00007FFC68AE1000-memory.dmp

Filesize
10.8MB

Download
memory/1892-14-0x00007FFC68020000-0x00007FFC68AE1000-memory.dmp

Filesize
10.8MB

Download
memory/1892-13-0x0000013AA9640000-0x0000013AA9662000-memory.dmp

Filesize
136KB

Download
memory/3196-32-0x00000178B19E0000-0x00000178B1A56000-memory.dmp

Filesize
472KB

Download
memory/3196-33-0x00000178B1960000-0x00000178B19B0000-memory.dmp

Filesize
320KB

Download
memory/3196-34-0x00000178B16D0000-0x00000178B16EE000-memory.dmp

Filesize
120KB

Download
memory/3196-0-0x00007FFC68023000-0x00007FFC68025000-memory.dmp

Filesize
8KB

Download
memory/3196-2-0x00007FFC68020000-0x00007FFC68AE1000-memory.dmp

Filesize
10.8MB

Download
memory/3196-70-0x00000178B19C0000-0x00000178B19CA000-memory.dmp

Filesize
40KB

Download
memory/3196-71-0x00000178B24B0000-0x00000178B24C2000-memory.dmp

Filesize
72KB

Download
memory/3196-1-0x0000017897290000-0x00000178972D0000-memory.dmp

Filesize
256KB

Download
memory/3196-89-0x00007FFC68020000-0x00007FFC68AE1000-memory.dmp

Filesize
10.8MB

Download