umbral | dfaadfbf1693ea477fde1a960b20280daa82e35128f537a62859bc5aeff9a948

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 16:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

KiosceneSoftdrivev2.10.exe
Size

229KB
MD5

18dff45f8e9eb29b0fb13e341bdd8dfc
SHA1

768114e6ed8a6dab7eec0e677d53430c37e5393e
SHA256

dfaadfbf1693ea477fde1a960b20280daa82e35128f537a62859bc5aeff9a948
SHA512

ace88964c82470394bd18f6b1ca16fecdf3394b0900f0b375dc358bd8577828e7041c35d9bb790b9d91b062df9167963221f6c7ab62740c6f5ae1e9861c5f223
SSDEEP

6144:lloZM+rIkd8g+EtXHkv/iD44lU3HdmOhOU9va6v1Nb8e1mpi:noZtL+EP84lU3HdmOhOU9va6vXj

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2716-1-0x0000000000880000-0x00000000008C0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2568	powershell.exe
2148	powershell.exe
600	powershell.exe
2100	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	KiosceneSoftdrivev2.10.exe

Deletes itself 1 IoCs

pid	Process
1176	cmd.exe

Reads user/profile data of web browsers 2 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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
8	discord.com
7	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
4	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
1176	cmd.exe
3056	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2052	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3056	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2716	KiosceneSoftdrivev2.10.exe
2568	powershell.exe
600	powershell.exe
2100	powershell.exe
1136	powershell.exe
2148	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	KiosceneSoftdrivev2.10.exe
Token: SeIncreaseQuotaPrivilege	2576	wmic.exe
Token: SeSecurityPrivilege	2576	wmic.exe
Token: SeTakeOwnershipPrivilege	2576	wmic.exe
Token: SeLoadDriverPrivilege	2576	wmic.exe
Token: SeSystemProfilePrivilege	2576	wmic.exe
Token: SeSystemtimePrivilege	2576	wmic.exe
Token: SeProfSingleProcessPrivilege	2576	wmic.exe
Token: SeIncBasePriorityPrivilege	2576	wmic.exe
Token: SeCreatePagefilePrivilege	2576	wmic.exe
Token: SeBackupPrivilege	2576	wmic.exe
Token: SeRestorePrivilege	2576	wmic.exe
Token: SeShutdownPrivilege	2576	wmic.exe
Token: SeDebugPrivilege	2576	wmic.exe
Token: SeSystemEnvironmentPrivilege	2576	wmic.exe
Token: SeRemoteShutdownPrivilege	2576	wmic.exe
Token: SeUndockPrivilege	2576	wmic.exe
Token: SeManageVolumePrivilege	2576	wmic.exe
Token: 33	2576	wmic.exe
Token: 34	2576	wmic.exe
Token: 35	2576	wmic.exe
Token: SeIncreaseQuotaPrivilege	2576	wmic.exe
Token: SeSecurityPrivilege	2576	wmic.exe
Token: SeTakeOwnershipPrivilege	2576	wmic.exe
Token: SeLoadDriverPrivilege	2576	wmic.exe
Token: SeSystemProfilePrivilege	2576	wmic.exe
Token: SeSystemtimePrivilege	2576	wmic.exe
Token: SeProfSingleProcessPrivilege	2576	wmic.exe
Token: SeIncBasePriorityPrivilege	2576	wmic.exe
Token: SeCreatePagefilePrivilege	2576	wmic.exe
Token: SeBackupPrivilege	2576	wmic.exe
Token: SeRestorePrivilege	2576	wmic.exe
Token: SeShutdownPrivilege	2576	wmic.exe
Token: SeDebugPrivilege	2576	wmic.exe
Token: SeSystemEnvironmentPrivilege	2576	wmic.exe
Token: SeRemoteShutdownPrivilege	2576	wmic.exe
Token: SeUndockPrivilege	2576	wmic.exe
Token: SeManageVolumePrivilege	2576	wmic.exe
Token: 33	2576	wmic.exe
Token: 34	2576	wmic.exe
Token: 35	2576	wmic.exe
Token: SeDebugPrivilege	2568	powershell.exe
Token: SeDebugPrivilege	600	powershell.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	1136	powershell.exe
Token: SeIncreaseQuotaPrivilege	2804	wmic.exe
Token: SeSecurityPrivilege	2804	wmic.exe
Token: SeTakeOwnershipPrivilege	2804	wmic.exe
Token: SeLoadDriverPrivilege	2804	wmic.exe
Token: SeSystemProfilePrivilege	2804	wmic.exe
Token: SeSystemtimePrivilege	2804	wmic.exe
Token: SeProfSingleProcessPrivilege	2804	wmic.exe
Token: SeIncBasePriorityPrivilege	2804	wmic.exe
Token: SeCreatePagefilePrivilege	2804	wmic.exe
Token: SeBackupPrivilege	2804	wmic.exe
Token: SeRestorePrivilege	2804	wmic.exe
Token: SeShutdownPrivilege	2804	wmic.exe
Token: SeDebugPrivilege	2804	wmic.exe
Token: SeSystemEnvironmentPrivilege	2804	wmic.exe
Token: SeRemoteShutdownPrivilege	2804	wmic.exe
Token: SeUndockPrivilege	2804	wmic.exe
Token: SeManageVolumePrivilege	2804	wmic.exe
Token: 33	2804	wmic.exe
Token: 34	2804	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2576	2716	KiosceneSoftdrivev2.10.exe	30
PID 2716 wrote to memory of 2576	2716	KiosceneSoftdrivev2.10.exe	30
PID 2716 wrote to memory of 2576	2716	KiosceneSoftdrivev2.10.exe	30
PID 2716 wrote to memory of 2616	2716	KiosceneSoftdrivev2.10.exe	33
PID 2716 wrote to memory of 2616	2716	KiosceneSoftdrivev2.10.exe	33
PID 2716 wrote to memory of 2616	2716	KiosceneSoftdrivev2.10.exe	33
PID 2716 wrote to memory of 2568	2716	KiosceneSoftdrivev2.10.exe	35
PID 2716 wrote to memory of 2568	2716	KiosceneSoftdrivev2.10.exe	35
PID 2716 wrote to memory of 2568	2716	KiosceneSoftdrivev2.10.exe	35
PID 2716 wrote to memory of 600	2716	KiosceneSoftdrivev2.10.exe	37
PID 2716 wrote to memory of 600	2716	KiosceneSoftdrivev2.10.exe	37
PID 2716 wrote to memory of 600	2716	KiosceneSoftdrivev2.10.exe	37
PID 2716 wrote to memory of 2100	2716	KiosceneSoftdrivev2.10.exe	39
PID 2716 wrote to memory of 2100	2716	KiosceneSoftdrivev2.10.exe	39
PID 2716 wrote to memory of 2100	2716	KiosceneSoftdrivev2.10.exe	39
PID 2716 wrote to memory of 1136	2716	KiosceneSoftdrivev2.10.exe	41
PID 2716 wrote to memory of 1136	2716	KiosceneSoftdrivev2.10.exe	41
PID 2716 wrote to memory of 1136	2716	KiosceneSoftdrivev2.10.exe	41
PID 2716 wrote to memory of 2804	2716	KiosceneSoftdrivev2.10.exe	43
PID 2716 wrote to memory of 2804	2716	KiosceneSoftdrivev2.10.exe	43
PID 2716 wrote to memory of 2804	2716	KiosceneSoftdrivev2.10.exe	43
PID 2716 wrote to memory of 1760	2716	KiosceneSoftdrivev2.10.exe	45
PID 2716 wrote to memory of 1760	2716	KiosceneSoftdrivev2.10.exe	45
PID 2716 wrote to memory of 1760	2716	KiosceneSoftdrivev2.10.exe	45
PID 2716 wrote to memory of 1124	2716	KiosceneSoftdrivev2.10.exe	47
PID 2716 wrote to memory of 1124	2716	KiosceneSoftdrivev2.10.exe	47
PID 2716 wrote to memory of 1124	2716	KiosceneSoftdrivev2.10.exe	47
PID 2716 wrote to memory of 2148	2716	KiosceneSoftdrivev2.10.exe	49
PID 2716 wrote to memory of 2148	2716	KiosceneSoftdrivev2.10.exe	49
PID 2716 wrote to memory of 2148	2716	KiosceneSoftdrivev2.10.exe	49
PID 2716 wrote to memory of 2052	2716	KiosceneSoftdrivev2.10.exe	51
PID 2716 wrote to memory of 2052	2716	KiosceneSoftdrivev2.10.exe	51
PID 2716 wrote to memory of 2052	2716	KiosceneSoftdrivev2.10.exe	51
PID 2716 wrote to memory of 1176	2716	KiosceneSoftdrivev2.10.exe	53
PID 2716 wrote to memory of 1176	2716	KiosceneSoftdrivev2.10.exe	53
PID 2716 wrote to memory of 1176	2716	KiosceneSoftdrivev2.10.exe	53
PID 1176 wrote to memory of 3056	1176	cmd.exe	55
PID 1176 wrote to memory of 3056	1176	cmd.exe	55
PID 1176 wrote to memory of 3056	1176	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2616	attrib.exe

C:\Users\Admin\AppData\Local\Temp\KiosceneSoftdrivev2.10.exe
"C:\Users\Admin\AppData\Local\Temp\KiosceneSoftdrivev2.10.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2576
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\KiosceneSoftdrivev2.10.exe"
  2⤵
  - Views/modifies file attributes
  PID:2616
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\KiosceneSoftdrivev2.10.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- 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:600
- 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:2100
- 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:1136
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1760
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1124
- 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:2148
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2052
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\KiosceneSoftdrivev2.10.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3056

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
5f2f8892add4a64c25e0d90f1f94a2e1

SHA1
8865dac1d9c4888b793ab3fbc366647aa509702d

SHA256
6b63ac17e2f5a6ebd13f75655b15db9a3296f32d5f4f789bed7478236480ee57

SHA512
c2d52cda73c46d566c077e34b090a8a52ea6e79a22fd3eff1b3c17ca7145566d8941532de8c065593fa208b2e3530fb6fb2b730ae9abb49dc5dee5723f5801a6

Download Submit
memory/600-14-0x000000001B780000-0x000000001BA62000-memory.dmp

Filesize
2.9MB

Download
memory/600-15-0x00000000028F0000-0x00000000028F8000-memory.dmp

Filesize
32KB

Download
memory/2148-43-0x0000000001FD0000-0x0000000001FD8000-memory.dmp

Filesize
32KB

Download
memory/2568-7-0x000000001B580000-0x000000001B862000-memory.dmp

Filesize
2.9MB

Download
memory/2568-8-0x0000000002250000-0x0000000002258000-memory.dmp

Filesize
32KB

Download
memory/2716-0-0x000007FEF4CA3000-0x000007FEF4CA4000-memory.dmp

Filesize
4KB

Download
memory/2716-1-0x0000000000880000-0x00000000008C0000-memory.dmp

Filesize
256KB

Download
memory/2716-2-0x000007FEF4CA0000-0x000007FEF568C000-memory.dmp

Filesize
9.9MB

Download
memory/2716-47-0x000007FEF4CA0000-0x000007FEF568C000-memory.dmp

Filesize
9.9MB

Download