umbral | 84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893

Analysis

max time kernel
92s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2025, 14:20

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General

Target

84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe
Size

229KB
MD5

d5b2a8bb68e47bda3a870e5f46f4fe45
SHA1

c7ba06a0aeae1130cc0d49c697f10bca901939e0
SHA256

84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893
SHA512

579196a951a91e13563f7ba5572366929b80559d0180436f1a3dc1db404a141b6ebf908995f81e1856bd0a10836a8d0e3d4cfc948a1d91f81c91f6524177e869
SSDEEP

6144:FloZM+rIkd8g+EtXHkv/iD4AFyuMS1NmYzus9x4uab8e1mtiY:HoZtL+EP8AFyuMS1NmYzus9x45jY

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/3532-1-0x00000195FF3F0000-0x00000195FF430000-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
1852	powershell.exe
4440	powershell.exe
4932	powershell.exe
1996	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.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
22	discord.com
23	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

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
4968	cmd.exe
4832	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2136	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4832	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe
1852	powershell.exe
1852	powershell.exe
4932	powershell.exe
4932	powershell.exe
1996	powershell.exe
1996	powershell.exe
4820	powershell.exe
4820	powershell.exe
4440	powershell.exe
4440	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe
Token: SeIncreaseQuotaPrivilege	3616	wmic.exe
Token: SeSecurityPrivilege	3616	wmic.exe
Token: SeTakeOwnershipPrivilege	3616	wmic.exe
Token: SeLoadDriverPrivilege	3616	wmic.exe
Token: SeSystemProfilePrivilege	3616	wmic.exe
Token: SeSystemtimePrivilege	3616	wmic.exe
Token: SeProfSingleProcessPrivilege	3616	wmic.exe
Token: SeIncBasePriorityPrivilege	3616	wmic.exe
Token: SeCreatePagefilePrivilege	3616	wmic.exe
Token: SeBackupPrivilege	3616	wmic.exe
Token: SeRestorePrivilege	3616	wmic.exe
Token: SeShutdownPrivilege	3616	wmic.exe
Token: SeDebugPrivilege	3616	wmic.exe
Token: SeSystemEnvironmentPrivilege	3616	wmic.exe
Token: SeRemoteShutdownPrivilege	3616	wmic.exe
Token: SeUndockPrivilege	3616	wmic.exe
Token: SeManageVolumePrivilege	3616	wmic.exe
Token: 33	3616	wmic.exe
Token: 34	3616	wmic.exe
Token: 35	3616	wmic.exe
Token: 36	3616	wmic.exe
Token: SeIncreaseQuotaPrivilege	3616	wmic.exe
Token: SeSecurityPrivilege	3616	wmic.exe
Token: SeTakeOwnershipPrivilege	3616	wmic.exe
Token: SeLoadDriverPrivilege	3616	wmic.exe
Token: SeSystemProfilePrivilege	3616	wmic.exe
Token: SeSystemtimePrivilege	3616	wmic.exe
Token: SeProfSingleProcessPrivilege	3616	wmic.exe
Token: SeIncBasePriorityPrivilege	3616	wmic.exe
Token: SeCreatePagefilePrivilege	3616	wmic.exe
Token: SeBackupPrivilege	3616	wmic.exe
Token: SeRestorePrivilege	3616	wmic.exe
Token: SeShutdownPrivilege	3616	wmic.exe
Token: SeDebugPrivilege	3616	wmic.exe
Token: SeSystemEnvironmentPrivilege	3616	wmic.exe
Token: SeRemoteShutdownPrivilege	3616	wmic.exe
Token: SeUndockPrivilege	3616	wmic.exe
Token: SeManageVolumePrivilege	3616	wmic.exe
Token: 33	3616	wmic.exe
Token: 34	3616	wmic.exe
Token: 35	3616	wmic.exe
Token: 36	3616	wmic.exe
Token: SeDebugPrivilege	1852	powershell.exe
Token: SeDebugPrivilege	4932	powershell.exe
Token: SeDebugPrivilege	1996	powershell.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeIncreaseQuotaPrivilege	2448	wmic.exe
Token: SeSecurityPrivilege	2448	wmic.exe
Token: SeTakeOwnershipPrivilege	2448	wmic.exe
Token: SeLoadDriverPrivilege	2448	wmic.exe
Token: SeSystemProfilePrivilege	2448	wmic.exe
Token: SeSystemtimePrivilege	2448	wmic.exe
Token: SeProfSingleProcessPrivilege	2448	wmic.exe
Token: SeIncBasePriorityPrivilege	2448	wmic.exe
Token: SeCreatePagefilePrivilege	2448	wmic.exe
Token: SeBackupPrivilege	2448	wmic.exe
Token: SeRestorePrivilege	2448	wmic.exe
Token: SeShutdownPrivilege	2448	wmic.exe
Token: SeDebugPrivilege	2448	wmic.exe
Token: SeSystemEnvironmentPrivilege	2448	wmic.exe
Token: SeRemoteShutdownPrivilege	2448	wmic.exe
Token: SeUndockPrivilege	2448	wmic.exe
Token: SeManageVolumePrivilege	2448	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 3616	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	84
PID 3532 wrote to memory of 3616	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	84
PID 3532 wrote to memory of 760	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	87
PID 3532 wrote to memory of 760	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	87
PID 3532 wrote to memory of 1852	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	89
PID 3532 wrote to memory of 1852	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	89
PID 3532 wrote to memory of 4932	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	91
PID 3532 wrote to memory of 4932	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	91
PID 3532 wrote to memory of 1996	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	93
PID 3532 wrote to memory of 1996	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	93
PID 3532 wrote to memory of 4820	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	95
PID 3532 wrote to memory of 4820	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	95
PID 3532 wrote to memory of 2448	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	97
PID 3532 wrote to memory of 2448	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	97
PID 3532 wrote to memory of 1716	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	99
PID 3532 wrote to memory of 1716	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	99
PID 3532 wrote to memory of 2072	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	101
PID 3532 wrote to memory of 2072	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	101
PID 3532 wrote to memory of 4440	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	103
PID 3532 wrote to memory of 4440	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	103
PID 3532 wrote to memory of 2136	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	105
PID 3532 wrote to memory of 2136	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	105
PID 3532 wrote to memory of 4968	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	107
PID 3532 wrote to memory of 4968	3532	84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe	107
PID 4968 wrote to memory of 4832	4968	cmd.exe	109
PID 4968 wrote to memory of 4832	4968	cmd.exe	109

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
760	attrib.exe

C:\Users\Admin\AppData\Local\Temp\84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe
"C:\Users\Admin\AppData\Local\Temp\84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3616
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe"
  2⤵
  - Views/modifies file attributes
  PID:760
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1852
- 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:4932
- 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:1996
- 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:4820
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2448
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1716
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2072
- 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:4440
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2136
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\84da387b415ad657fb91d6d5952d8f2882bb1116018a84ee9ebd502c2f2dc893.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4832

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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
948B

MD5
4968a733ec5db6a3352d1601a8cad7b3

SHA1
17e2e358e984d7d6154c4ca3295312e40e4f23e3

SHA256
850dde6b7156cfde7a054e17bdeaac9d62b32b72a761874f7ef911d43acdb86a

SHA512
92322550384df2e2a8400bbb4ef9379bf7f8d4deccf4e9fc0dead33d4755227e57ca8b276dcb62c47ae58b938ecabf0419de20eda66d49aca5f3828eed1b124e

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
03bdcfc3c5e616b9d0efeb4abc339337

SHA1
f9f43f06a5592da63fb68e5247be5b58f6b480af

SHA256
8c00cd6305452a77038b506027837da886b49641ac5b3a5926b2b429ac5e4f41

SHA512
84302b7a2541402a6d1e388b398ff296c91b6aa7fa49818c4ade5ce8ec97297e0be1dc92b81b0e43c7b5e78c1c0795780563b8dd97092332536c4513fc15c7f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_olxwhq5t.ayh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1852-4-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download
memory/1852-14-0x00000190EB990000-0x00000190EB9B2000-memory.dmp

Filesize
136KB

Download
memory/1852-15-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download
memory/1852-18-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download
memory/1852-3-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download
memory/3532-34-0x00000195FF880000-0x00000195FF8D0000-memory.dmp

Filesize
320KB

Download
memory/3532-33-0x00000195FF800000-0x00000195FF876000-memory.dmp

Filesize
472KB

Download
memory/3532-35-0x00000195FF780000-0x00000195FF79E000-memory.dmp

Filesize
120KB

Download
memory/3532-1-0x00000195FF3F0000-0x00000195FF430000-memory.dmp

Filesize
256KB

Download
memory/3532-0-0x00007FFE0C913000-0x00007FFE0C915000-memory.dmp

Filesize
8KB

Download
memory/3532-72-0x00000195FF760000-0x00000195FF76A000-memory.dmp

Filesize
40KB

Download
memory/3532-73-0x00000195FF7C0000-0x00000195FF7D2000-memory.dmp

Filesize
72KB

Download
memory/3532-2-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download
memory/3532-93-0x00007FFE0C910000-0x00007FFE0D3D1000-memory.dmp

Filesize
10.8MB

Download