umbral | 6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 19:40

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General

Target

6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe
Size

1.6MB
MD5

503f1f17d355b6f29515f5748e633d58
SHA1

4723452c30fa9ebaaff836baa80fa88596e8e74b
SHA256

6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349
SHA512

3aabe3507a163eb802c556255ff2888c6c74df6aad610f1157c66e4caae29a8da063cf0b6c2bbe349e713ba1e207202174c1f0a88d7f7741559c6fe0741c16a9
SSDEEP

24576:YcNnc2ZIQ2tRXUDo42d2ZCZbyLiVLVakZdwBuC/y45doBmkI+GgUVjtL:blDoh2G+LiVzAsC/y8Vb

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c97-14.dat	family_umbral
behavioral2/memory/4712-22-0x000002525A9F0000-0x000002525AA70000-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
1592	powershell.exe
640	powershell.exe
3240	powershell.exe
1568	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe

Executes dropped EXE 2 IoCs

pid	Process
5088	OQ9.exe
4712	Error.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
25	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
18	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OQ9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

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
4912	PING.EXE
4284	cmd.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1892	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4912	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4712	Error.exe
1592	powershell.exe
1592	powershell.exe
640	powershell.exe
640	powershell.exe
3240	powershell.exe
3240	powershell.exe
2872	powershell.exe
2872	powershell.exe
1568	powershell.exe
1568	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	Error.exe
Token: SeIncreaseQuotaPrivilege	3660	wmic.exe
Token: SeSecurityPrivilege	3660	wmic.exe
Token: SeTakeOwnershipPrivilege	3660	wmic.exe
Token: SeLoadDriverPrivilege	3660	wmic.exe
Token: SeSystemProfilePrivilege	3660	wmic.exe
Token: SeSystemtimePrivilege	3660	wmic.exe
Token: SeProfSingleProcessPrivilege	3660	wmic.exe
Token: SeIncBasePriorityPrivilege	3660	wmic.exe
Token: SeCreatePagefilePrivilege	3660	wmic.exe
Token: SeBackupPrivilege	3660	wmic.exe
Token: SeRestorePrivilege	3660	wmic.exe
Token: SeShutdownPrivilege	3660	wmic.exe
Token: SeDebugPrivilege	3660	wmic.exe
Token: SeSystemEnvironmentPrivilege	3660	wmic.exe
Token: SeRemoteShutdownPrivilege	3660	wmic.exe
Token: SeUndockPrivilege	3660	wmic.exe
Token: SeManageVolumePrivilege	3660	wmic.exe
Token: 33	3660	wmic.exe
Token: 34	3660	wmic.exe
Token: 35	3660	wmic.exe
Token: 36	3660	wmic.exe
Token: SeIncreaseQuotaPrivilege	3660	wmic.exe
Token: SeSecurityPrivilege	3660	wmic.exe
Token: SeTakeOwnershipPrivilege	3660	wmic.exe
Token: SeLoadDriverPrivilege	3660	wmic.exe
Token: SeSystemProfilePrivilege	3660	wmic.exe
Token: SeSystemtimePrivilege	3660	wmic.exe
Token: SeProfSingleProcessPrivilege	3660	wmic.exe
Token: SeIncBasePriorityPrivilege	3660	wmic.exe
Token: SeCreatePagefilePrivilege	3660	wmic.exe
Token: SeBackupPrivilege	3660	wmic.exe
Token: SeRestorePrivilege	3660	wmic.exe
Token: SeShutdownPrivilege	3660	wmic.exe
Token: SeDebugPrivilege	3660	wmic.exe
Token: SeSystemEnvironmentPrivilege	3660	wmic.exe
Token: SeRemoteShutdownPrivilege	3660	wmic.exe
Token: SeUndockPrivilege	3660	wmic.exe
Token: SeManageVolumePrivilege	3660	wmic.exe
Token: 33	3660	wmic.exe
Token: 34	3660	wmic.exe
Token: 35	3660	wmic.exe
Token: 36	3660	wmic.exe
Token: SeDebugPrivilege	1592	powershell.exe
Token: SeDebugPrivilege	640	powershell.exe
Token: SeDebugPrivilege	3240	powershell.exe
Token: SeDebugPrivilege	2872	powershell.exe
Token: SeIncreaseQuotaPrivilege	4464	wmic.exe
Token: SeSecurityPrivilege	4464	wmic.exe
Token: SeTakeOwnershipPrivilege	4464	wmic.exe
Token: SeLoadDriverPrivilege	4464	wmic.exe
Token: SeSystemProfilePrivilege	4464	wmic.exe
Token: SeSystemtimePrivilege	4464	wmic.exe
Token: SeProfSingleProcessPrivilege	4464	wmic.exe
Token: SeIncBasePriorityPrivilege	4464	wmic.exe
Token: SeCreatePagefilePrivilege	4464	wmic.exe
Token: SeBackupPrivilege	4464	wmic.exe
Token: SeRestorePrivilege	4464	wmic.exe
Token: SeShutdownPrivilege	4464	wmic.exe
Token: SeDebugPrivilege	4464	wmic.exe
Token: SeSystemEnvironmentPrivilege	4464	wmic.exe
Token: SeRemoteShutdownPrivilege	4464	wmic.exe
Token: SeUndockPrivilege	4464	wmic.exe
Token: SeManageVolumePrivilege	4464	wmic.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 5088	4192	6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe	83
PID 4192 wrote to memory of 5088	4192	6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe	83
PID 4192 wrote to memory of 5088	4192	6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe	83
PID 4192 wrote to memory of 4712	4192	6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe	85
PID 4192 wrote to memory of 4712	4192	6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe	85
PID 4712 wrote to memory of 3660	4712	Error.exe	87
PID 4712 wrote to memory of 3660	4712	Error.exe	87
PID 5088 wrote to memory of 2972	5088	OQ9.exe	91
PID 5088 wrote to memory of 2972	5088	OQ9.exe	91
PID 5088 wrote to memory of 2972	5088	OQ9.exe	91
PID 4712 wrote to memory of 1064	4712	Error.exe	92
PID 4712 wrote to memory of 1064	4712	Error.exe	92
PID 4712 wrote to memory of 1592	4712	Error.exe	94
PID 4712 wrote to memory of 1592	4712	Error.exe	94
PID 4712 wrote to memory of 640	4712	Error.exe	96
PID 4712 wrote to memory of 640	4712	Error.exe	96
PID 4712 wrote to memory of 3240	4712	Error.exe	98
PID 4712 wrote to memory of 3240	4712	Error.exe	98
PID 4712 wrote to memory of 2872	4712	Error.exe	100
PID 4712 wrote to memory of 2872	4712	Error.exe	100
PID 4712 wrote to memory of 4464	4712	Error.exe	102
PID 4712 wrote to memory of 4464	4712	Error.exe	102
PID 4712 wrote to memory of 4708	4712	Error.exe	104
PID 4712 wrote to memory of 4708	4712	Error.exe	104
PID 4712 wrote to memory of 5104	4712	Error.exe	106
PID 4712 wrote to memory of 5104	4712	Error.exe	106
PID 4712 wrote to memory of 1568	4712	Error.exe	108
PID 4712 wrote to memory of 1568	4712	Error.exe	108
PID 4712 wrote to memory of 1892	4712	Error.exe	110
PID 4712 wrote to memory of 1892	4712	Error.exe	110
PID 4712 wrote to memory of 4284	4712	Error.exe	112
PID 4712 wrote to memory of 4284	4712	Error.exe	112
PID 4284 wrote to memory of 4912	4284	cmd.exe	114
PID 4284 wrote to memory of 4912	4284	cmd.exe	114

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1064	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe
"C:\Users\Admin\AppData\Local\Temp\6ff250ce9d1b6e4035378b40b26a609d065e567d0bdf694542557b9545aac349.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Users\Admin\AppData\Local\Temp\OQ9.exe
  "C:\Users\Admin\AppData\Local\Temp\OQ9.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5088
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2972
- C:\Users\Admin\AppData\Local\Temp\Error.exe
  "C:\Users\Admin\AppData\Local\Temp\Error.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3660
- - C:\Windows\SYSTEM32\attrib.exe
    "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Error.exe"
    3⤵
    - Views/modifies file attributes
    PID:1064
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Error.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1592
- - 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
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:640
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3240
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2872
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4464
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    PID:4708
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:5104
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:1568
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:1892
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Error.exe" && pause
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4284
  - - C:\Windows\system32\PING.EXE
      ping localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4912

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
1KB

MD5
e5640007fc66a92f700f4c98a036a989

SHA1
2b163249f45e258f58e0779c38c1beee904b13e4

SHA256
53be7581a55be62f46bf2eb729b32013a285d3aca43c113a66d82acb69f7f4e3

SHA512
2597934b826d1276b73893a9e562e407e4628e682bc1dfc842cf48072021aae1c93353f952bba95a9c9e6ecf3729cd08df72c1ba7da994ffdc1657de602dd769

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

Filesize
944B

MD5
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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

Filesize
948B

MD5
17d8127be94d3c1b6fcc9a4ed585003e

SHA1
789874fcc7c778c723f3e89822d8cc8750c6c4c8

SHA256
ea357ad1f95863b3618d31e5b0f90495331f64de2b784d9e185b48668c937a7b

SHA512
bb18b6d07d82227f5cfbe3eb460df79ec892c560ad2964dcd4782aa26336ae15059843bf46a739bdd4a4daa58057f99102531a756a1cf434ce6449b3cd35a98e

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\Temp\Error.exe

Filesize
488KB

MD5
efddb8393687829b125b575f9058804b

SHA1
a6146d0d4aaacc16c42fc6a1846b7d2989a61469

SHA256
9cef5b1457c51099cc4c3672dd394c5a03770a830b4a89cf95f58037c08350e1

SHA512
8e8bf6e154101e2cbbfb2be05c5bf5ce2b37bb477b9902f2ebdc3499613edb6bbfd577a019a617d672d5bdd2c3855effc53dcdbe59a8edaafbb7de8e02a39bed

Download Submit
C:\Users\Admin\AppData\Local\Temp\OQ9.exe

Filesize
2.4MB

MD5
f31f7e933b0c2f008fe6fb4ba26ee217

SHA1
972966e88349f85fe83d7aa1ffac8760e5b0dec9

SHA256
168eff65e316981b6b577a2d6e666b59a2e9ab4db404211d9a8d03054b63872f

SHA512
44a2189de0ec67bc2049590a9d415ba416fb67f3faa5bfd186f07e6651e3a6ff1864d5b8a3a9426946e05f8207dedf44b617175ffa3e409fab585d67d0765778

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q5m0elot.sop.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1592-31-0x000001B7C3D50000-0x000001B7C3D72000-memory.dmp

Filesize
136KB

Download
memory/4192-7-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

Filesize
10.8MB

Download
memory/4192-24-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

Filesize
10.8MB

Download
memory/4192-0-0x00007FFA24463000-0x00007FFA24465000-memory.dmp

Filesize
8KB

Download
memory/4192-1-0x0000000000280000-0x0000000000428000-memory.dmp

Filesize
1.7MB

Download
memory/4712-25-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

Filesize
10.8MB

Download
memory/4712-52-0x00000252751C0000-0x0000025275236000-memory.dmp

Filesize
472KB

Download
memory/4712-53-0x000002525C850000-0x000002525C8A0000-memory.dmp

Filesize
320KB

Download
memory/4712-54-0x000002525C820000-0x000002525C83E000-memory.dmp

Filesize
120KB

Download
memory/4712-22-0x000002525A9F0000-0x000002525AA70000-memory.dmp

Filesize
512KB

Download
memory/4712-91-0x000002525AF30000-0x000002525AF3A000-memory.dmp

Filesize
40KB

Download
memory/4712-92-0x0000025275240000-0x0000025275252000-memory.dmp

Filesize
72KB

Download
memory/4712-112-0x00007FFA24460000-0x00007FFA24F21000-memory.dmp

Filesize
10.8MB

Download