umbral | dfaadfbf1693ea477fde1a960b20280daa82e35128f537a62859bc5aeff9a948

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 15:23

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General

Target

Kioscene Softdrive v2.10.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
behavioral2/memory/3904-1-0x000001190D720000-0x000001190D760000-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
4632	powershell.exe
3640	powershell.exe
828	powershell.exe
224	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	Kioscene Softdrive v2.10.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
9	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
3	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
2332	cmd.exe
2580	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2120	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2580	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3904	Kioscene Softdrive v2.10.exe
4632	powershell.exe
4632	powershell.exe
3640	powershell.exe
3640	powershell.exe
828	powershell.exe
828	powershell.exe
4996	powershell.exe
4996	powershell.exe
224	powershell.exe
224	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3904	Kioscene Softdrive v2.10.exe
Token: SeIncreaseQuotaPrivilege	2852	wmic.exe
Token: SeSecurityPrivilege	2852	wmic.exe
Token: SeTakeOwnershipPrivilege	2852	wmic.exe
Token: SeLoadDriverPrivilege	2852	wmic.exe
Token: SeSystemProfilePrivilege	2852	wmic.exe
Token: SeSystemtimePrivilege	2852	wmic.exe
Token: SeProfSingleProcessPrivilege	2852	wmic.exe
Token: SeIncBasePriorityPrivilege	2852	wmic.exe
Token: SeCreatePagefilePrivilege	2852	wmic.exe
Token: SeBackupPrivilege	2852	wmic.exe
Token: SeRestorePrivilege	2852	wmic.exe
Token: SeShutdownPrivilege	2852	wmic.exe
Token: SeDebugPrivilege	2852	wmic.exe
Token: SeSystemEnvironmentPrivilege	2852	wmic.exe
Token: SeRemoteShutdownPrivilege	2852	wmic.exe
Token: SeUndockPrivilege	2852	wmic.exe
Token: SeManageVolumePrivilege	2852	wmic.exe
Token: 33	2852	wmic.exe
Token: 34	2852	wmic.exe
Token: 35	2852	wmic.exe
Token: 36	2852	wmic.exe
Token: SeIncreaseQuotaPrivilege	2852	wmic.exe
Token: SeSecurityPrivilege	2852	wmic.exe
Token: SeTakeOwnershipPrivilege	2852	wmic.exe
Token: SeLoadDriverPrivilege	2852	wmic.exe
Token: SeSystemProfilePrivilege	2852	wmic.exe
Token: SeSystemtimePrivilege	2852	wmic.exe
Token: SeProfSingleProcessPrivilege	2852	wmic.exe
Token: SeIncBasePriorityPrivilege	2852	wmic.exe
Token: SeCreatePagefilePrivilege	2852	wmic.exe
Token: SeBackupPrivilege	2852	wmic.exe
Token: SeRestorePrivilege	2852	wmic.exe
Token: SeShutdownPrivilege	2852	wmic.exe
Token: SeDebugPrivilege	2852	wmic.exe
Token: SeSystemEnvironmentPrivilege	2852	wmic.exe
Token: SeRemoteShutdownPrivilege	2852	wmic.exe
Token: SeUndockPrivilege	2852	wmic.exe
Token: SeManageVolumePrivilege	2852	wmic.exe
Token: 33	2852	wmic.exe
Token: 34	2852	wmic.exe
Token: 35	2852	wmic.exe
Token: 36	2852	wmic.exe
Token: SeDebugPrivilege	4632	powershell.exe
Token: SeDebugPrivilege	3640	powershell.exe
Token: SeDebugPrivilege	828	powershell.exe
Token: SeDebugPrivilege	4996	powershell.exe
Token: SeIncreaseQuotaPrivilege	4748	wmic.exe
Token: SeSecurityPrivilege	4748	wmic.exe
Token: SeTakeOwnershipPrivilege	4748	wmic.exe
Token: SeLoadDriverPrivilege	4748	wmic.exe
Token: SeSystemProfilePrivilege	4748	wmic.exe
Token: SeSystemtimePrivilege	4748	wmic.exe
Token: SeProfSingleProcessPrivilege	4748	wmic.exe
Token: SeIncBasePriorityPrivilege	4748	wmic.exe
Token: SeCreatePagefilePrivilege	4748	wmic.exe
Token: SeBackupPrivilege	4748	wmic.exe
Token: SeRestorePrivilege	4748	wmic.exe
Token: SeShutdownPrivilege	4748	wmic.exe
Token: SeDebugPrivilege	4748	wmic.exe
Token: SeSystemEnvironmentPrivilege	4748	wmic.exe
Token: SeRemoteShutdownPrivilege	4748	wmic.exe
Token: SeUndockPrivilege	4748	wmic.exe
Token: SeManageVolumePrivilege	4748	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 2852	3904	Kioscene Softdrive v2.10.exe	79
PID 3904 wrote to memory of 2852	3904	Kioscene Softdrive v2.10.exe	79
PID 3904 wrote to memory of 3580	3904	Kioscene Softdrive v2.10.exe	82
PID 3904 wrote to memory of 3580	3904	Kioscene Softdrive v2.10.exe	82
PID 3904 wrote to memory of 4632	3904	Kioscene Softdrive v2.10.exe	84
PID 3904 wrote to memory of 4632	3904	Kioscene Softdrive v2.10.exe	84
PID 3904 wrote to memory of 3640	3904	Kioscene Softdrive v2.10.exe	86
PID 3904 wrote to memory of 3640	3904	Kioscene Softdrive v2.10.exe	86
PID 3904 wrote to memory of 828	3904	Kioscene Softdrive v2.10.exe	88
PID 3904 wrote to memory of 828	3904	Kioscene Softdrive v2.10.exe	88
PID 3904 wrote to memory of 4996	3904	Kioscene Softdrive v2.10.exe	90
PID 3904 wrote to memory of 4996	3904	Kioscene Softdrive v2.10.exe	90
PID 3904 wrote to memory of 4748	3904	Kioscene Softdrive v2.10.exe	92
PID 3904 wrote to memory of 4748	3904	Kioscene Softdrive v2.10.exe	92
PID 3904 wrote to memory of 4844	3904	Kioscene Softdrive v2.10.exe	94
PID 3904 wrote to memory of 4844	3904	Kioscene Softdrive v2.10.exe	94
PID 3904 wrote to memory of 3560	3904	Kioscene Softdrive v2.10.exe	96
PID 3904 wrote to memory of 3560	3904	Kioscene Softdrive v2.10.exe	96
PID 3904 wrote to memory of 224	3904	Kioscene Softdrive v2.10.exe	98
PID 3904 wrote to memory of 224	3904	Kioscene Softdrive v2.10.exe	98
PID 3904 wrote to memory of 2120	3904	Kioscene Softdrive v2.10.exe	100
PID 3904 wrote to memory of 2120	3904	Kioscene Softdrive v2.10.exe	100
PID 3904 wrote to memory of 2332	3904	Kioscene Softdrive v2.10.exe	102
PID 3904 wrote to memory of 2332	3904	Kioscene Softdrive v2.10.exe	102
PID 2332 wrote to memory of 2580	2332	cmd.exe	104
PID 2332 wrote to memory of 2580	2332	cmd.exe	104

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3580	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Kioscene Softdrive v2.10.exe
"C:\Users\Admin\AppData\Local\Temp\Kioscene Softdrive v2.10.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Kioscene Softdrive v2.10.exe"
  2⤵
  - Views/modifies file attributes
  PID:3580
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Kioscene Softdrive v2.10.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4632
- 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:3640
- 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:828
- 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:4996
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4748
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4844
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3560
- 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:224
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2120
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Kioscene Softdrive v2.10.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2580

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\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
994d48c590292933efa0627922c9fc59

SHA1
696a9fed9578a4f0f73e598f9d71a0c1f9d04090

SHA256
f61c0e17ef24ce95d3d00170c5553c9b5b536d24c0d8e6e7480b3e2eb3855a02

SHA512
f61d859fc00bf1009e6d72a0536fcd3d95d7f06016ed44dcdc1d91a872dad8abda02c7f409dcb9d0e5ea8c8c75b0d8683a60ea57045639402c37eca9eab77940

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

Filesize
1KB

MD5
2a75c2057536d71d287d7cefff04eec3

SHA1
c61131dee25db97244118daaf982c0bd1389b8b4

SHA256
93cf99b87df289b80cc8be11623fbb0b09812f2dcee9986e76cedb188ca942a0

SHA512
1d8877aeade86757fb7d37b54abf27e8d6579a7a51bcbba549bcfd0c66a2b4383ab7f34eb4621c031262df4e5266332e1427f64af268922e24c24ed9ca94f150

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

Filesize
1KB

MD5
288f76eb6350b99897bf8a40a26d7b88

SHA1
7f386d05202de2cf090bbda84d633a640730e090

SHA256
1b9a2714ecfaf4b2e7d7961d5f2537ea360ad0df46a0fa789255235b077075d1

SHA512
ffafc9d47140408afba98a9832433c0829ba696524c56d03f4ce67ae84d369c658d3a0b3cbfc62f8e5d83fc91f8f73fc1dd9a27f0deaefd1d07485a63face869

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wzalaz2b.j0z.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3904-0-0x00007FFF6DB63000-0x00007FFF6DB65000-memory.dmp

Filesize
8KB

Download
memory/3904-1-0x000001190D720000-0x000001190D760000-memory.dmp

Filesize
256KB

Download
memory/3904-90-0x00007FFF6DB60000-0x00007FFF6E621000-memory.dmp

Filesize
10.8MB

Download
memory/3904-72-0x0000011927F20000-0x0000011927F32000-memory.dmp

Filesize
72KB

Download
memory/3904-71-0x0000011927E10000-0x0000011927E1A000-memory.dmp

Filesize
40KB

Download
memory/3904-2-0x00007FFF6DB60000-0x00007FFF6E621000-memory.dmp

Filesize
10.8MB

Download
memory/3904-32-0x0000011927E50000-0x0000011927EC6000-memory.dmp

Filesize
472KB

Download
memory/3904-33-0x0000011927ED0000-0x0000011927F20000-memory.dmp

Filesize
320KB

Download
memory/3904-34-0x0000011927DD0000-0x0000011927DEE000-memory.dmp

Filesize
120KB

Download
memory/4632-18-0x00007FFF6DB60000-0x00007FFF6E621000-memory.dmp

Filesize
10.8MB

Download
memory/4632-13-0x00007FFF6DB60000-0x00007FFF6E621000-memory.dmp

Filesize
10.8MB

Download
memory/4632-14-0x00007FFF6DB60000-0x00007FFF6E621000-memory.dmp

Filesize
10.8MB

Download
memory/4632-17-0x0000021230100000-0x000002123031C000-memory.dmp

Filesize
2.1MB

Download
memory/4632-8-0x0000021217BF0000-0x0000021217C12000-memory.dmp

Filesize
136KB

Download
memory/4632-15-0x00007FFF6DB60000-0x00007FFF6E621000-memory.dmp

Filesize
10.8MB

Download
memory/4996-69-0x00000149F0A10000-0x00000149F0C2C000-memory.dmp

Filesize
2.1MB

Download