umbral | 2beabdeb546ede6ad3e196c42c64d2a6733bc81de2574398b3c2b46668aecf1c

Analysis

max time kernel
10s
max time network
8s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-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
behavioral2/memory/1700-1-0x000001C1B4960000-0x000001C1B49A0000-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

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3552	powershell.exe
2288	powershell.exe
3716	powershell.exe
4644	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
1	discord.com
6	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
1	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
3568	cmd.exe
1908	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3108	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1908	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1700	v-rise.exe
4644	powershell.exe
4644	powershell.exe
3552	powershell.exe
3552	powershell.exe
2288	powershell.exe
2288	powershell.exe
248	powershell.exe
248	powershell.exe
3716	powershell.exe
3716	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	v-rise.exe
Token: SeIncreaseQuotaPrivilege	4236	wmic.exe
Token: SeSecurityPrivilege	4236	wmic.exe
Token: SeTakeOwnershipPrivilege	4236	wmic.exe
Token: SeLoadDriverPrivilege	4236	wmic.exe
Token: SeSystemProfilePrivilege	4236	wmic.exe
Token: SeSystemtimePrivilege	4236	wmic.exe
Token: SeProfSingleProcessPrivilege	4236	wmic.exe
Token: SeIncBasePriorityPrivilege	4236	wmic.exe
Token: SeCreatePagefilePrivilege	4236	wmic.exe
Token: SeBackupPrivilege	4236	wmic.exe
Token: SeRestorePrivilege	4236	wmic.exe
Token: SeShutdownPrivilege	4236	wmic.exe
Token: SeDebugPrivilege	4236	wmic.exe
Token: SeSystemEnvironmentPrivilege	4236	wmic.exe
Token: SeRemoteShutdownPrivilege	4236	wmic.exe
Token: SeUndockPrivilege	4236	wmic.exe
Token: SeManageVolumePrivilege	4236	wmic.exe
Token: 33	4236	wmic.exe
Token: 34	4236	wmic.exe
Token: 35	4236	wmic.exe
Token: 36	4236	wmic.exe
Token: SeIncreaseQuotaPrivilege	4236	wmic.exe
Token: SeSecurityPrivilege	4236	wmic.exe
Token: SeTakeOwnershipPrivilege	4236	wmic.exe
Token: SeLoadDriverPrivilege	4236	wmic.exe
Token: SeSystemProfilePrivilege	4236	wmic.exe
Token: SeSystemtimePrivilege	4236	wmic.exe
Token: SeProfSingleProcessPrivilege	4236	wmic.exe
Token: SeIncBasePriorityPrivilege	4236	wmic.exe
Token: SeCreatePagefilePrivilege	4236	wmic.exe
Token: SeBackupPrivilege	4236	wmic.exe
Token: SeRestorePrivilege	4236	wmic.exe
Token: SeShutdownPrivilege	4236	wmic.exe
Token: SeDebugPrivilege	4236	wmic.exe
Token: SeSystemEnvironmentPrivilege	4236	wmic.exe
Token: SeRemoteShutdownPrivilege	4236	wmic.exe
Token: SeUndockPrivilege	4236	wmic.exe
Token: SeManageVolumePrivilege	4236	wmic.exe
Token: 33	4236	wmic.exe
Token: 34	4236	wmic.exe
Token: 35	4236	wmic.exe
Token: 36	4236	wmic.exe
Token: SeDebugPrivilege	4644	powershell.exe
Token: SeDebugPrivilege	3552	powershell.exe
Token: SeDebugPrivilege	2288	powershell.exe
Token: SeDebugPrivilege	248	powershell.exe
Token: SeIncreaseQuotaPrivilege	1932	wmic.exe
Token: SeSecurityPrivilege	1932	wmic.exe
Token: SeTakeOwnershipPrivilege	1932	wmic.exe
Token: SeLoadDriverPrivilege	1932	wmic.exe
Token: SeSystemProfilePrivilege	1932	wmic.exe
Token: SeSystemtimePrivilege	1932	wmic.exe
Token: SeProfSingleProcessPrivilege	1932	wmic.exe
Token: SeIncBasePriorityPrivilege	1932	wmic.exe
Token: SeCreatePagefilePrivilege	1932	wmic.exe
Token: SeBackupPrivilege	1932	wmic.exe
Token: SeRestorePrivilege	1932	wmic.exe
Token: SeShutdownPrivilege	1932	wmic.exe
Token: SeDebugPrivilege	1932	wmic.exe
Token: SeSystemEnvironmentPrivilege	1932	wmic.exe
Token: SeRemoteShutdownPrivilege	1932	wmic.exe
Token: SeUndockPrivilege	1932	wmic.exe
Token: SeManageVolumePrivilege	1932	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 4236	1700	v-rise.exe	77
PID 1700 wrote to memory of 4236	1700	v-rise.exe	77
PID 1700 wrote to memory of 4392	1700	v-rise.exe	80
PID 1700 wrote to memory of 4392	1700	v-rise.exe	80
PID 1700 wrote to memory of 4644	1700	v-rise.exe	82
PID 1700 wrote to memory of 4644	1700	v-rise.exe	82
PID 1700 wrote to memory of 3552	1700	v-rise.exe	84
PID 1700 wrote to memory of 3552	1700	v-rise.exe	84
PID 1700 wrote to memory of 2288	1700	v-rise.exe	86
PID 1700 wrote to memory of 2288	1700	v-rise.exe	86
PID 1700 wrote to memory of 248	1700	v-rise.exe	88
PID 1700 wrote to memory of 248	1700	v-rise.exe	88
PID 1700 wrote to memory of 1932	1700	v-rise.exe	90
PID 1700 wrote to memory of 1932	1700	v-rise.exe	90
PID 1700 wrote to memory of 1640	1700	v-rise.exe	92
PID 1700 wrote to memory of 1640	1700	v-rise.exe	92
PID 1700 wrote to memory of 3592	1700	v-rise.exe	94
PID 1700 wrote to memory of 3592	1700	v-rise.exe	94
PID 1700 wrote to memory of 3716	1700	v-rise.exe	96
PID 1700 wrote to memory of 3716	1700	v-rise.exe	96
PID 1700 wrote to memory of 3108	1700	v-rise.exe	98
PID 1700 wrote to memory of 3108	1700	v-rise.exe	98
PID 1700 wrote to memory of 3568	1700	v-rise.exe	100
PID 1700 wrote to memory of 3568	1700	v-rise.exe	100
PID 3568 wrote to memory of 1908	3568	cmd.exe	102
PID 3568 wrote to memory of 1908	3568	cmd.exe	102

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4392	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:1700
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4236
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\v-rise.exe"
  2⤵
  - Views/modifies file attributes
  PID:4392
- 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:4644
- 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:3552
- 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:2288
- 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:248
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1932
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1640
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3592
- 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:3716
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3108
- 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:3568
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1908

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
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
1a9fa92a4f2e2ec9e244d43a6a4f8fb9

SHA1
9910190edfaccece1dfcc1d92e357772f5dae8f7

SHA256
0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

SHA512
5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

Filesize
948B

MD5
441a842138038e6385e430a90d7ea608

SHA1
7b3712d2cdd37e10ee9b3994131ee5175e920f01

SHA256
47592f3324179912d3bdba336b9e75568c2c5f1a9fb37c1ba9f0db9df822164c

SHA512
9dbddc3216f2a132ae3961b3aeac2c5b8828dcc9292f6c5bf1171c47453aa8687f92658818d771413492c0ea565e9ede17b9c03e427af9dc2ac21a78369a6666

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

Filesize
1KB

MD5
7332074ae2b01262736b6fbd9e100dac

SHA1
22f992165065107cc9417fa4117240d84414a13c

SHA256
baea84fda6c1f13090b8cbd91c920848946f10ce155ef31a1df4cd453ee7e4aa

SHA512
4ae6f0e012c31ac1fc2ff4a8877ce2b4667c45b6e651de798318a39a2b6fd39a6f72dffa8b0b89b7a045a27d724d195656faa25a9fec79b22f37ddebb5d22da2

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

Filesize
1KB

MD5
a2e1da98882d80320aa12ee58c5a8f73

SHA1
a376295f94222742e0afced4325efb794bb5c15a

SHA256
0e5b65e8f4b9eb428944aae8f8d7b079b1118477f1bdbd784641122c42a88294

SHA512
bb51a81c9da4f38cf8e4d00f3b0a7f6ee981af8b34d43337e184f0735c8abdaa481477bf4796c634842a95c495502b15e8159976bcb47e7730a355e912c08965

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xdw0fsjr.wgp.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1700-68-0x000001C1CEE60000-0x000001C1CEE6A000-memory.dmp

Filesize
40KB

Download
memory/1700-33-0x000001C1CF2A0000-0x000001C1CF2BE000-memory.dmp

Filesize
120KB

Download
memory/1700-88-0x00007FFFCDB50000-0x00007FFFCE612000-memory.dmp

Filesize
10.8MB

Download
memory/1700-69-0x000001C1CF210000-0x000001C1CF222000-memory.dmp

Filesize
72KB

Download
memory/1700-2-0x00007FFFCDB50000-0x00007FFFCE612000-memory.dmp

Filesize
10.8MB

Download
memory/1700-31-0x000001C1CF140000-0x000001C1CF1B6000-memory.dmp

Filesize
472KB

Download
memory/1700-32-0x000001C1CF1C0000-0x000001C1CF210000-memory.dmp

Filesize
320KB

Download
memory/1700-0-0x00007FFFCDB53000-0x00007FFFCDB55000-memory.dmp

Filesize
8KB

Download
memory/1700-1-0x000001C1B4960000-0x000001C1B49A0000-memory.dmp

Filesize
256KB

Download
memory/4644-14-0x00007FFFCDB50000-0x00007FFFCE612000-memory.dmp

Filesize
10.8MB

Download
memory/4644-13-0x0000024131D10000-0x0000024131D32000-memory.dmp

Filesize
136KB

Download
memory/4644-3-0x00007FFFCDB50000-0x00007FFFCE612000-memory.dmp

Filesize
10.8MB

Download
memory/4644-9-0x00007FFFCDB50000-0x00007FFFCE612000-memory.dmp

Filesize
10.8MB

Download
memory/4644-17-0x00007FFFCDB50000-0x00007FFFCE612000-memory.dmp

Filesize
10.8MB

Download