umbral | 83fad99df9cf86912dcc087e5936d7643cba31a82fad2c03fa3efcbd9bbff59e

Analysis

max time kernel
16s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 15:24

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General

Target

SupremeVip.exe
Size

231KB
MD5

c824211fa3c507fee0dea2c75eb0fe53
SHA1

8f43608f64d43b91014c371d484adbe7af1cc3e5
SHA256

83fad99df9cf86912dcc087e5936d7643cba31a82fad2c03fa3efcbd9bbff59e
SHA512

d318d6d7e4010d6df403a6423280104067c178e73ba06691c7739bc164eb5583e0a6114e88c2c67700666730f7fedb8c505f6dd2bf8f0e0cd1ff75dd5c2a08fd
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4ec6piAfboTxUyzzqLuQb8e1mJMPi:joZtL+EP8ec6piAfboTxUyzzqDFa

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/1948-1-0x000001810FC30000-0x000001810FC70000-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
1912	powershell.exe
4700	powershell.exe
2376	powershell.exe
2420	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	SupremeVip.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
24	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
10	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
1416	cmd.exe
1968	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3788	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1968	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1948	SupremeVip.exe
1912	powershell.exe
1912	powershell.exe
4700	powershell.exe
4700	powershell.exe
2376	powershell.exe
2376	powershell.exe
3696	powershell.exe
3696	powershell.exe
2420	powershell.exe
2420	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	SupremeVip.exe
Token: SeIncreaseQuotaPrivilege	2208	wmic.exe
Token: SeSecurityPrivilege	2208	wmic.exe
Token: SeTakeOwnershipPrivilege	2208	wmic.exe
Token: SeLoadDriverPrivilege	2208	wmic.exe
Token: SeSystemProfilePrivilege	2208	wmic.exe
Token: SeSystemtimePrivilege	2208	wmic.exe
Token: SeProfSingleProcessPrivilege	2208	wmic.exe
Token: SeIncBasePriorityPrivilege	2208	wmic.exe
Token: SeCreatePagefilePrivilege	2208	wmic.exe
Token: SeBackupPrivilege	2208	wmic.exe
Token: SeRestorePrivilege	2208	wmic.exe
Token: SeShutdownPrivilege	2208	wmic.exe
Token: SeDebugPrivilege	2208	wmic.exe
Token: SeSystemEnvironmentPrivilege	2208	wmic.exe
Token: SeRemoteShutdownPrivilege	2208	wmic.exe
Token: SeUndockPrivilege	2208	wmic.exe
Token: SeManageVolumePrivilege	2208	wmic.exe
Token: 33	2208	wmic.exe
Token: 34	2208	wmic.exe
Token: 35	2208	wmic.exe
Token: 36	2208	wmic.exe
Token: SeIncreaseQuotaPrivilege	2208	wmic.exe
Token: SeSecurityPrivilege	2208	wmic.exe
Token: SeTakeOwnershipPrivilege	2208	wmic.exe
Token: SeLoadDriverPrivilege	2208	wmic.exe
Token: SeSystemProfilePrivilege	2208	wmic.exe
Token: SeSystemtimePrivilege	2208	wmic.exe
Token: SeProfSingleProcessPrivilege	2208	wmic.exe
Token: SeIncBasePriorityPrivilege	2208	wmic.exe
Token: SeCreatePagefilePrivilege	2208	wmic.exe
Token: SeBackupPrivilege	2208	wmic.exe
Token: SeRestorePrivilege	2208	wmic.exe
Token: SeShutdownPrivilege	2208	wmic.exe
Token: SeDebugPrivilege	2208	wmic.exe
Token: SeSystemEnvironmentPrivilege	2208	wmic.exe
Token: SeRemoteShutdownPrivilege	2208	wmic.exe
Token: SeUndockPrivilege	2208	wmic.exe
Token: SeManageVolumePrivilege	2208	wmic.exe
Token: 33	2208	wmic.exe
Token: 34	2208	wmic.exe
Token: 35	2208	wmic.exe
Token: 36	2208	wmic.exe
Token: SeDebugPrivilege	1912	powershell.exe
Token: SeDebugPrivilege	4700	powershell.exe
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	3696	powershell.exe
Token: SeIncreaseQuotaPrivilege	3116	wmic.exe
Token: SeSecurityPrivilege	3116	wmic.exe
Token: SeTakeOwnershipPrivilege	3116	wmic.exe
Token: SeLoadDriverPrivilege	3116	wmic.exe
Token: SeSystemProfilePrivilege	3116	wmic.exe
Token: SeSystemtimePrivilege	3116	wmic.exe
Token: SeProfSingleProcessPrivilege	3116	wmic.exe
Token: SeIncBasePriorityPrivilege	3116	wmic.exe
Token: SeCreatePagefilePrivilege	3116	wmic.exe
Token: SeBackupPrivilege	3116	wmic.exe
Token: SeRestorePrivilege	3116	wmic.exe
Token: SeShutdownPrivilege	3116	wmic.exe
Token: SeDebugPrivilege	3116	wmic.exe
Token: SeSystemEnvironmentPrivilege	3116	wmic.exe
Token: SeRemoteShutdownPrivilege	3116	wmic.exe
Token: SeUndockPrivilege	3116	wmic.exe
Token: SeManageVolumePrivilege	3116	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2208	1948	SupremeVip.exe	82
PID 1948 wrote to memory of 2208	1948	SupremeVip.exe	82
PID 1948 wrote to memory of 4608	1948	SupremeVip.exe	85
PID 1948 wrote to memory of 4608	1948	SupremeVip.exe	85
PID 1948 wrote to memory of 1912	1948	SupremeVip.exe	87
PID 1948 wrote to memory of 1912	1948	SupremeVip.exe	87
PID 1948 wrote to memory of 4700	1948	SupremeVip.exe	89
PID 1948 wrote to memory of 4700	1948	SupremeVip.exe	89
PID 1948 wrote to memory of 2376	1948	SupremeVip.exe	91
PID 1948 wrote to memory of 2376	1948	SupremeVip.exe	91
PID 1948 wrote to memory of 3696	1948	SupremeVip.exe	93
PID 1948 wrote to memory of 3696	1948	SupremeVip.exe	93
PID 1948 wrote to memory of 3116	1948	SupremeVip.exe	95
PID 1948 wrote to memory of 3116	1948	SupremeVip.exe	95
PID 1948 wrote to memory of 816	1948	SupremeVip.exe	97
PID 1948 wrote to memory of 816	1948	SupremeVip.exe	97
PID 1948 wrote to memory of 2200	1948	SupremeVip.exe	99
PID 1948 wrote to memory of 2200	1948	SupremeVip.exe	99
PID 1948 wrote to memory of 2420	1948	SupremeVip.exe	101
PID 1948 wrote to memory of 2420	1948	SupremeVip.exe	101
PID 1948 wrote to memory of 3788	1948	SupremeVip.exe	103
PID 1948 wrote to memory of 3788	1948	SupremeVip.exe	103
PID 1948 wrote to memory of 1416	1948	SupremeVip.exe	108
PID 1948 wrote to memory of 1416	1948	SupremeVip.exe	108
PID 1416 wrote to memory of 1968	1416	cmd.exe	110
PID 1416 wrote to memory of 1968	1416	cmd.exe	110

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4608	attrib.exe

C:\Users\Admin\AppData\Local\Temp\SupremeVip.exe
"C:\Users\Admin\AppData\Local\Temp\SupremeVip.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2208
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\SupremeVip.exe"
  2⤵
  - Views/modifies file attributes
  PID:4608
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\SupremeVip.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1912
- 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:4700
- 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:2376
- 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:3696
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3116
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:816
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2200
- 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:2420
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3788
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\SupremeVip.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1968

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
af283a45e468abc28a9ac1c14af0a45d

SHA1
6d70a604e1a12e0df9b98a4bf57d335d78986c93

SHA256
141a5cbf854b091471384f71c93282c31d166a8676d43559c38086dd6e07229c

SHA512
05abb1f812dd979755e811928006974bccf076e8f618061e64db35b129bb78175a99bac6eefa5e11f6f3c4af94f60e9b7da4c4ba07fa740748ff47a4511d4db8

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

Filesize
1KB

MD5
b0a78e60bfb279d18fd3d6e7a67411f5

SHA1
9344fe3654a14bc66afb9dc6ea215fabfbe5c906

SHA256
a28890c82033d3deaf5770ecd1b0239c77321acc93704b1d4b1e167b91e30aeb

SHA512
9548be23bec645cd705482f78d43b63659e38cf879c34f7071f42fd86ee02039379a5e92fbe0f1c74c12aaebabdd8002f57eba111d3e855cbd0c89a110e346f2

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

Filesize
1KB

MD5
44cc2ace0ab8f6d2b9451e69ca703395

SHA1
197e9c479a75b47a0be7f62d531c530bda7eeced

SHA256
511469e6c6fef21d43955983c65007dc53f4c90b76fd1729b7da04b9d25756ba

SHA512
60f5e6659e02e6fab9a1ab1bce47a19cf19eec1edf8a874d4712bc655e5a2c2e16bfff35ef701d75f1f137cf7063ba1c5685db6dc73355ee0fec16f7aba65f9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rw2w2e01.ekq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1912-9-0x0000024070A20000-0x0000024070A42000-memory.dmp

Filesize
136KB

Download
memory/1912-14-0x00007FF9D5900000-0x00007FF9D63C1000-memory.dmp

Filesize
10.8MB

Download
memory/1912-15-0x00007FF9D5900000-0x00007FF9D63C1000-memory.dmp

Filesize
10.8MB

Download
memory/1912-18-0x00007FF9D5900000-0x00007FF9D63C1000-memory.dmp

Filesize
10.8MB

Download
memory/1912-3-0x00007FF9D5900000-0x00007FF9D63C1000-memory.dmp

Filesize
10.8MB

Download
memory/1948-34-0x000001812A330000-0x000001812A380000-memory.dmp

Filesize
320KB

Download
memory/1948-33-0x000001812A3B0000-0x000001812A426000-memory.dmp

Filesize
472KB

Download
memory/1948-35-0x000001812A460000-0x000001812A47E000-memory.dmp

Filesize
120KB

Download
memory/1948-1-0x000001810FC30000-0x000001810FC70000-memory.dmp

Filesize
256KB

Download
memory/1948-0-0x00007FF9D5903000-0x00007FF9D5905000-memory.dmp

Filesize
8KB

Download
memory/1948-72-0x00000181119E0000-0x00000181119EA000-memory.dmp

Filesize
40KB

Download
memory/1948-73-0x000001812A380000-0x000001812A392000-memory.dmp

Filesize
72KB

Download
memory/1948-2-0x00007FF9D5900000-0x00007FF9D63C1000-memory.dmp

Filesize
10.8MB

Download
memory/1948-89-0x00007FF9D5903000-0x00007FF9D5905000-memory.dmp

Filesize
8KB

Download
memory/1948-94-0x00007FF9D5900000-0x00007FF9D63C1000-memory.dmp

Filesize
10.8MB

Download