umbral | b0994dcb3d7268ace7b5fd363bf09683e2ba2d900149151602c277f36548c1a5

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2025, 17:11

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General

Target

Swift.exe
Size

231KB
MD5

6e2fe62ba106a5e869fabb48565305ed
SHA1

56a781fe3ed0182ae22c6c10690d2ae4e870be6e
SHA256

b0994dcb3d7268ace7b5fd363bf09683e2ba2d900149151602c277f36548c1a5
SHA512

48759991bed49f9366f088b15a3794c45189951b73aba3b977b16070d51067b2216c3740654c387fcc28bef159393c0d01923c84d1f029b8412957652fb9867e
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4j0iWVjgULryD1Ac5hJ5b8e1mDvi:joZtL+EP8j0iWVjgULryD1Ac5vRR

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/2372-1-0x00000251F8820000-0x00000251F8860000-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
2616	powershell.exe
2356	powershell.exe
4312	powershell.exe
3708	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	Swift.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
23	discord.com
25	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
8	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
4400	cmd.exe
4276	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2088	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4276	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2372	Swift.exe
2616	powershell.exe
2616	powershell.exe
3708	powershell.exe
3708	powershell.exe
2356	powershell.exe
2356	powershell.exe
4268	powershell.exe
4268	powershell.exe
4312	powershell.exe
4312	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	Swift.exe
Token: SeIncreaseQuotaPrivilege	5108	wmic.exe
Token: SeSecurityPrivilege	5108	wmic.exe
Token: SeTakeOwnershipPrivilege	5108	wmic.exe
Token: SeLoadDriverPrivilege	5108	wmic.exe
Token: SeSystemProfilePrivilege	5108	wmic.exe
Token: SeSystemtimePrivilege	5108	wmic.exe
Token: SeProfSingleProcessPrivilege	5108	wmic.exe
Token: SeIncBasePriorityPrivilege	5108	wmic.exe
Token: SeCreatePagefilePrivilege	5108	wmic.exe
Token: SeBackupPrivilege	5108	wmic.exe
Token: SeRestorePrivilege	5108	wmic.exe
Token: SeShutdownPrivilege	5108	wmic.exe
Token: SeDebugPrivilege	5108	wmic.exe
Token: SeSystemEnvironmentPrivilege	5108	wmic.exe
Token: SeRemoteShutdownPrivilege	5108	wmic.exe
Token: SeUndockPrivilege	5108	wmic.exe
Token: SeManageVolumePrivilege	5108	wmic.exe
Token: 33	5108	wmic.exe
Token: 34	5108	wmic.exe
Token: 35	5108	wmic.exe
Token: 36	5108	wmic.exe
Token: SeIncreaseQuotaPrivilege	5108	wmic.exe
Token: SeSecurityPrivilege	5108	wmic.exe
Token: SeTakeOwnershipPrivilege	5108	wmic.exe
Token: SeLoadDriverPrivilege	5108	wmic.exe
Token: SeSystemProfilePrivilege	5108	wmic.exe
Token: SeSystemtimePrivilege	5108	wmic.exe
Token: SeProfSingleProcessPrivilege	5108	wmic.exe
Token: SeIncBasePriorityPrivilege	5108	wmic.exe
Token: SeCreatePagefilePrivilege	5108	wmic.exe
Token: SeBackupPrivilege	5108	wmic.exe
Token: SeRestorePrivilege	5108	wmic.exe
Token: SeShutdownPrivilege	5108	wmic.exe
Token: SeDebugPrivilege	5108	wmic.exe
Token: SeSystemEnvironmentPrivilege	5108	wmic.exe
Token: SeRemoteShutdownPrivilege	5108	wmic.exe
Token: SeUndockPrivilege	5108	wmic.exe
Token: SeManageVolumePrivilege	5108	wmic.exe
Token: 33	5108	wmic.exe
Token: 34	5108	wmic.exe
Token: 35	5108	wmic.exe
Token: 36	5108	wmic.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	3708	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	4268	powershell.exe
Token: SeIncreaseQuotaPrivilege	5092	wmic.exe
Token: SeSecurityPrivilege	5092	wmic.exe
Token: SeTakeOwnershipPrivilege	5092	wmic.exe
Token: SeLoadDriverPrivilege	5092	wmic.exe
Token: SeSystemProfilePrivilege	5092	wmic.exe
Token: SeSystemtimePrivilege	5092	wmic.exe
Token: SeProfSingleProcessPrivilege	5092	wmic.exe
Token: SeIncBasePriorityPrivilege	5092	wmic.exe
Token: SeCreatePagefilePrivilege	5092	wmic.exe
Token: SeBackupPrivilege	5092	wmic.exe
Token: SeRestorePrivilege	5092	wmic.exe
Token: SeShutdownPrivilege	5092	wmic.exe
Token: SeDebugPrivilege	5092	wmic.exe
Token: SeSystemEnvironmentPrivilege	5092	wmic.exe
Token: SeRemoteShutdownPrivilege	5092	wmic.exe
Token: SeUndockPrivilege	5092	wmic.exe
Token: SeManageVolumePrivilege	5092	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 5108	2372	Swift.exe	85
PID 2372 wrote to memory of 5108	2372	Swift.exe	85
PID 2372 wrote to memory of 2080	2372	Swift.exe	88
PID 2372 wrote to memory of 2080	2372	Swift.exe	88
PID 2372 wrote to memory of 2616	2372	Swift.exe	90
PID 2372 wrote to memory of 2616	2372	Swift.exe	90
PID 2372 wrote to memory of 3708	2372	Swift.exe	92
PID 2372 wrote to memory of 3708	2372	Swift.exe	92
PID 2372 wrote to memory of 2356	2372	Swift.exe	94
PID 2372 wrote to memory of 2356	2372	Swift.exe	94
PID 2372 wrote to memory of 4268	2372	Swift.exe	96
PID 2372 wrote to memory of 4268	2372	Swift.exe	96
PID 2372 wrote to memory of 5092	2372	Swift.exe	99
PID 2372 wrote to memory of 5092	2372	Swift.exe	99
PID 2372 wrote to memory of 1656	2372	Swift.exe	101
PID 2372 wrote to memory of 1656	2372	Swift.exe	101
PID 2372 wrote to memory of 3736	2372	Swift.exe	103
PID 2372 wrote to memory of 3736	2372	Swift.exe	103
PID 2372 wrote to memory of 4312	2372	Swift.exe	105
PID 2372 wrote to memory of 4312	2372	Swift.exe	105
PID 2372 wrote to memory of 2088	2372	Swift.exe	107
PID 2372 wrote to memory of 2088	2372	Swift.exe	107
PID 2372 wrote to memory of 4400	2372	Swift.exe	111
PID 2372 wrote to memory of 4400	2372	Swift.exe	111
PID 4400 wrote to memory of 4276	4400	cmd.exe	113
PID 4400 wrote to memory of 4276	4400	cmd.exe	113

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2080	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Swift.exe
"C:\Users\Admin\AppData\Local\Temp\Swift.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5108
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Swift.exe"
  2⤵
  - Views/modifies file attributes
  PID:2080
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Swift.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2616
- 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:3708
- 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:2356
- 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:4268
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5092
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1656
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3736
- 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:4312
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2088
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Swift.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4400
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4276

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
948B

MD5
1a58f982c18490e622e00d4eb75ace5a

SHA1
60c30527b74659ecf09089a5a7c02a1df9a71b65

SHA256
4b7f800c0dea209162cc86627983993127eb20e3f8616646c41cb3ce15d9b39d

SHA512
ddab516a967783c5951717853aa5b3ef6dd5b442db50092888b2e7f3179fc68120fcde69a08d6ab280740eaadb6eadfc758c3118b52706f869e48ac1aebda480

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

Filesize
1KB

MD5
88be3bc8a7f90e3953298c0fdbec4d72

SHA1
f4969784ad421cc80ef45608727aacd0f6bf2e4b

SHA256
533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

SHA512
4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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_f4txwrof.jps.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2372-72-0x00000251FAF20000-0x00000251FAF2A000-memory.dmp

Filesize
40KB

Download
memory/2372-35-0x00000251FADA0000-0x00000251FADBE000-memory.dmp

Filesize
120KB

Download
memory/2372-94-0x00007FFB68250000-0x00007FFB68D11000-memory.dmp

Filesize
10.8MB

Download
memory/2372-89-0x00007FFB68253000-0x00007FFB68255000-memory.dmp

Filesize
8KB

Download
memory/2372-2-0x00007FFB68250000-0x00007FFB68D11000-memory.dmp

Filesize
10.8MB

Download
memory/2372-33-0x00000251FAF90000-0x00000251FB006000-memory.dmp

Filesize
472KB

Download
memory/2372-34-0x00000251FB060000-0x00000251FB0B0000-memory.dmp

Filesize
320KB

Download
memory/2372-73-0x00000251FAF50000-0x00000251FAF62000-memory.dmp

Filesize
72KB

Download
memory/2372-1-0x00000251F8820000-0x00000251F8860000-memory.dmp

Filesize
256KB

Download
memory/2372-0-0x00007FFB68253000-0x00007FFB68255000-memory.dmp

Filesize
8KB

Download
memory/2616-4-0x00007FFB68250000-0x00007FFB68D11000-memory.dmp

Filesize
10.8MB

Download
memory/2616-10-0x000002108E240000-0x000002108E262000-memory.dmp

Filesize
136KB

Download
memory/2616-13-0x00007FFB68250000-0x00007FFB68D11000-memory.dmp

Filesize
10.8MB

Download
memory/2616-3-0x00007FFB68250000-0x00007FFB68D11000-memory.dmp

Filesize
10.8MB

Download
memory/2616-18-0x00007FFB68250000-0x00007FFB68D11000-memory.dmp

Filesize
10.8MB

Download