umbral | 2beabdeb546ede6ad3e196c42c64d2a6733bc81de2574398b3c2b46668aecf1c

Analysis

max time kernel
32s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 21:45

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General

Target

v-rise.exe
Size

231KB
MD5

96733f1c7335e4feb3df5510e7ff3381
SHA1

13610a36de1096cbd27029cf045db560c0a11a00
SHA256

2beabdeb546ede6ad3e196c42c64d2a6733bc81de2574398b3c2b46668aecf1c
SHA512

590d1d2d21154c3e08edae598b702849eb3f93d5c08cf772a1215595f269c4123599ee010ba5a257bdc0a07455e68db92a49542903acf791fedff1d623b6eecb
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD48tzFw2xpaNPyAxVkYRb8e1mjXi:joZtL+EP88tzFw2xpaNPyAxVk0Uy

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/4856-1-0x0000012DC9C80000-0x0000012DC9CC0000-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
4064	powershell.exe
4336	powershell.exe
1676	powershell.exe
1060	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	v-rise.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
34	discord.com
35	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
7	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
1880	PING.EXE
4404	cmd.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3496	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1880	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4856	v-rise.exe
4064	powershell.exe
4064	powershell.exe
4336	powershell.exe
4336	powershell.exe
1676	powershell.exe
1676	powershell.exe
3916	powershell.exe
3916	powershell.exe
1060	powershell.exe
1060	powershell.exe
1060	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	v-rise.exe
Token: SeIncreaseQuotaPrivilege	4768	wmic.exe
Token: SeSecurityPrivilege	4768	wmic.exe
Token: SeTakeOwnershipPrivilege	4768	wmic.exe
Token: SeLoadDriverPrivilege	4768	wmic.exe
Token: SeSystemProfilePrivilege	4768	wmic.exe
Token: SeSystemtimePrivilege	4768	wmic.exe
Token: SeProfSingleProcessPrivilege	4768	wmic.exe
Token: SeIncBasePriorityPrivilege	4768	wmic.exe
Token: SeCreatePagefilePrivilege	4768	wmic.exe
Token: SeBackupPrivilege	4768	wmic.exe
Token: SeRestorePrivilege	4768	wmic.exe
Token: SeShutdownPrivilege	4768	wmic.exe
Token: SeDebugPrivilege	4768	wmic.exe
Token: SeSystemEnvironmentPrivilege	4768	wmic.exe
Token: SeRemoteShutdownPrivilege	4768	wmic.exe
Token: SeUndockPrivilege	4768	wmic.exe
Token: SeManageVolumePrivilege	4768	wmic.exe
Token: 33	4768	wmic.exe
Token: 34	4768	wmic.exe
Token: 35	4768	wmic.exe
Token: 36	4768	wmic.exe
Token: SeIncreaseQuotaPrivilege	4768	wmic.exe
Token: SeSecurityPrivilege	4768	wmic.exe
Token: SeTakeOwnershipPrivilege	4768	wmic.exe
Token: SeLoadDriverPrivilege	4768	wmic.exe
Token: SeSystemProfilePrivilege	4768	wmic.exe
Token: SeSystemtimePrivilege	4768	wmic.exe
Token: SeProfSingleProcessPrivilege	4768	wmic.exe
Token: SeIncBasePriorityPrivilege	4768	wmic.exe
Token: SeCreatePagefilePrivilege	4768	wmic.exe
Token: SeBackupPrivilege	4768	wmic.exe
Token: SeRestorePrivilege	4768	wmic.exe
Token: SeShutdownPrivilege	4768	wmic.exe
Token: SeDebugPrivilege	4768	wmic.exe
Token: SeSystemEnvironmentPrivilege	4768	wmic.exe
Token: SeRemoteShutdownPrivilege	4768	wmic.exe
Token: SeUndockPrivilege	4768	wmic.exe
Token: SeManageVolumePrivilege	4768	wmic.exe
Token: 33	4768	wmic.exe
Token: 34	4768	wmic.exe
Token: 35	4768	wmic.exe
Token: 36	4768	wmic.exe
Token: SeDebugPrivilege	4064	powershell.exe
Token: SeDebugPrivilege	4336	powershell.exe
Token: SeDebugPrivilege	1676	powershell.exe
Token: SeDebugPrivilege	3916	powershell.exe
Token: SeIncreaseQuotaPrivilege	4432	wmic.exe
Token: SeSecurityPrivilege	4432	wmic.exe
Token: SeTakeOwnershipPrivilege	4432	wmic.exe
Token: SeLoadDriverPrivilege	4432	wmic.exe
Token: SeSystemProfilePrivilege	4432	wmic.exe
Token: SeSystemtimePrivilege	4432	wmic.exe
Token: SeProfSingleProcessPrivilege	4432	wmic.exe
Token: SeIncBasePriorityPrivilege	4432	wmic.exe
Token: SeCreatePagefilePrivilege	4432	wmic.exe
Token: SeBackupPrivilege	4432	wmic.exe
Token: SeRestorePrivilege	4432	wmic.exe
Token: SeShutdownPrivilege	4432	wmic.exe
Token: SeDebugPrivilege	4432	wmic.exe
Token: SeSystemEnvironmentPrivilege	4432	wmic.exe
Token: SeRemoteShutdownPrivilege	4432	wmic.exe
Token: SeUndockPrivilege	4432	wmic.exe
Token: SeManageVolumePrivilege	4432	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 4768	4856	v-rise.exe	85
PID 4856 wrote to memory of 4768	4856	v-rise.exe	85
PID 4856 wrote to memory of 3332	4856	v-rise.exe	89
PID 4856 wrote to memory of 3332	4856	v-rise.exe	89
PID 4856 wrote to memory of 4064	4856	v-rise.exe	91
PID 4856 wrote to memory of 4064	4856	v-rise.exe	91
PID 4856 wrote to memory of 4336	4856	v-rise.exe	98
PID 4856 wrote to memory of 4336	4856	v-rise.exe	98
PID 4856 wrote to memory of 1676	4856	v-rise.exe	101
PID 4856 wrote to memory of 1676	4856	v-rise.exe	101
PID 4856 wrote to memory of 3916	4856	v-rise.exe	103
PID 4856 wrote to memory of 3916	4856	v-rise.exe	103
PID 4856 wrote to memory of 4432	4856	v-rise.exe	107
PID 4856 wrote to memory of 4432	4856	v-rise.exe	107
PID 4856 wrote to memory of 388	4856	v-rise.exe	110
PID 4856 wrote to memory of 388	4856	v-rise.exe	110
PID 4856 wrote to memory of 1984	4856	v-rise.exe	112
PID 4856 wrote to memory of 1984	4856	v-rise.exe	112
PID 4856 wrote to memory of 1060	4856	v-rise.exe	114
PID 4856 wrote to memory of 1060	4856	v-rise.exe	114
PID 4856 wrote to memory of 3496	4856	v-rise.exe	116
PID 4856 wrote to memory of 3496	4856	v-rise.exe	116
PID 4856 wrote to memory of 4404	4856	v-rise.exe	118
PID 4856 wrote to memory of 4404	4856	v-rise.exe	118
PID 4404 wrote to memory of 1880	4404	cmd.exe	120
PID 4404 wrote to memory of 1880	4404	cmd.exe	120

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3332	attrib.exe

C:\Users\Admin\AppData\Local\Temp\v-rise.exe
"C:\Users\Admin\AppData\Local\Temp\v-rise.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4768
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\v-rise.exe"
  2⤵
  - Views/modifies file attributes
  PID:3332
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\v-rise.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4064
- 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:4336
- 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:1676
- 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:3916
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4432
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:388
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1984
- 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:1060
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3496
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\v-rise.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1880

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
948B

MD5
7e6444621df5580f99d39261e0e7805b

SHA1
2fe7b2d2463d42f1c27d8cb639311f24c6e2d74f

SHA256
8cb368b7143bcdb817534d6ec6e56946995a631fb50f6254c4885ad08377dcb1

SHA512
d54295b3bf4aab31a5b51364b8b88772da5a99ffbed7797c01e36a03529a7abb3b552c7821a2a44bc948ba16eed0c1934e5802ed08893892b91dd495b55258df

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

Filesize
1KB

MD5
709740ad3024b272f5226e727d3ace88

SHA1
39be0388fd158a236ca6b2951f43f70ef1edc9c3

SHA256
96a2c54ce67949c753d566c5b505a6615b925a7e63e1f57375daf0cb13e26ee9

SHA512
fd8b8faefb87dbf37adb3969f2d9aa596bd45cd4f3c78814bd0aed803867c894abb58cb15b933d0cf7b007f01f2b40fd5942e9489be7f21b39623785a64bc6f3

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

Filesize
1KB

MD5
45ad40f012b09e141955482368549640

SHA1
3f9cd15875c1e397c3b2b5592805577ae88a96cb

SHA256
ea3b59172f1a33677f9cb3843fb4d6093b806d3a7cf2f3c6d4692f5421f656ce

SHA512
3de08f8affca1c1450088f560776cf3d65146cadac43c06eb922c7b3cea436e519966cf38458303ffeb1a58c53f8952cffda6c34216fda7594e014b516e83b33

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bragldme.tkv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4064-3-0x00007FFEEE0C0000-0x00007FFEEEB81000-memory.dmp

Filesize
10.8MB

Download
memory/4064-13-0x000001B328FF0000-0x000001B329012000-memory.dmp

Filesize
136KB

Download
memory/4064-14-0x00007FFEEE0C0000-0x00007FFEEEB81000-memory.dmp

Filesize
10.8MB

Download
memory/4064-17-0x00007FFEEE0C0000-0x00007FFEEEB81000-memory.dmp

Filesize
10.8MB

Download
memory/4856-33-0x0000012DE4430000-0x0000012DE4480000-memory.dmp

Filesize
320KB

Download
memory/4856-32-0x0000012DE43B0000-0x0000012DE4426000-memory.dmp

Filesize
472KB

Download
memory/4856-34-0x0000012DE4350000-0x0000012DE436E000-memory.dmp

Filesize
120KB

Download
memory/4856-0-0x00007FFEEE0C3000-0x00007FFEEE0C5000-memory.dmp

Filesize
8KB

Download
memory/4856-2-0x00007FFEEE0C0000-0x00007FFEEEB81000-memory.dmp

Filesize
10.8MB

Download
memory/4856-71-0x0000012DE4370000-0x0000012DE437A000-memory.dmp

Filesize
40KB

Download
memory/4856-72-0x0000012DE4480000-0x0000012DE4492000-memory.dmp

Filesize
72KB

Download
memory/4856-1-0x0000012DC9C80000-0x0000012DC9CC0000-memory.dmp

Filesize
256KB

Download
memory/4856-88-0x00007FFEEE0C3000-0x00007FFEEE0C5000-memory.dmp

Filesize
8KB

Download
memory/4856-93-0x00007FFEEE0C0000-0x00007FFEEEB81000-memory.dmp

Filesize
10.8MB

Download