umbral | 3b97b49496b1d19bd7fec189d26ba0e5ff3051eb759e48cc02c934aceb7868ee

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 09:06

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General

Target

BoogieTool.exe
Size

229KB
MD5

a95d6f4a4315650e730488eabbe1a5dc
SHA1

dd8358dceb4125cbcc85c2d18721a2ef1aa5b165
SHA256

3b97b49496b1d19bd7fec189d26ba0e5ff3051eb759e48cc02c934aceb7868ee
SHA512

b3a1822d4426178ceae2ab76597bf072c41cfa374141bc7adfb01dfafcfc443a713d1526e800290afd265cd932ec756235ffde880cf5ab6fd858b2adf1ed619e
SSDEEP

6144:tloZMYrIkd8g+EtXHkv/iD4yfqmR/k4XoG/BcoNNKb8e1mwMQi:voZHL+EP8yfqmR/k4XoG/BcoNAKJ

Score

10^/10

umbral credential_access execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/852-1-0x00000187ECB30000-0x00000187ECB70000-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
688	powershell.exe
4300	powershell.exe
2400	powershell.exe
3480	powershell.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
19	discord.com
18	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
15	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2320	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
688	powershell.exe
688	powershell.exe
4300	powershell.exe
4300	powershell.exe
2400	powershell.exe
2400	powershell.exe
4812	powershell.exe
4812	powershell.exe
3480	powershell.exe
3480	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	852	BoogieTool.exe
Token: SeDebugPrivilege	688	powershell.exe
Token: SeDebugPrivilege	4300	powershell.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	4812	powershell.exe
Token: SeIncreaseQuotaPrivilege	1104	wmic.exe
Token: SeSecurityPrivilege	1104	wmic.exe
Token: SeTakeOwnershipPrivilege	1104	wmic.exe
Token: SeLoadDriverPrivilege	1104	wmic.exe
Token: SeSystemProfilePrivilege	1104	wmic.exe
Token: SeSystemtimePrivilege	1104	wmic.exe
Token: SeProfSingleProcessPrivilege	1104	wmic.exe
Token: SeIncBasePriorityPrivilege	1104	wmic.exe
Token: SeCreatePagefilePrivilege	1104	wmic.exe
Token: SeBackupPrivilege	1104	wmic.exe
Token: SeRestorePrivilege	1104	wmic.exe
Token: SeShutdownPrivilege	1104	wmic.exe
Token: SeDebugPrivilege	1104	wmic.exe
Token: SeSystemEnvironmentPrivilege	1104	wmic.exe
Token: SeRemoteShutdownPrivilege	1104	wmic.exe
Token: SeUndockPrivilege	1104	wmic.exe
Token: SeManageVolumePrivilege	1104	wmic.exe
Token: 33	1104	wmic.exe
Token: 34	1104	wmic.exe
Token: 35	1104	wmic.exe
Token: 36	1104	wmic.exe
Token: SeIncreaseQuotaPrivilege	1104	wmic.exe
Token: SeSecurityPrivilege	1104	wmic.exe
Token: SeTakeOwnershipPrivilege	1104	wmic.exe
Token: SeLoadDriverPrivilege	1104	wmic.exe
Token: SeSystemProfilePrivilege	1104	wmic.exe
Token: SeSystemtimePrivilege	1104	wmic.exe
Token: SeProfSingleProcessPrivilege	1104	wmic.exe
Token: SeIncBasePriorityPrivilege	1104	wmic.exe
Token: SeCreatePagefilePrivilege	1104	wmic.exe
Token: SeBackupPrivilege	1104	wmic.exe
Token: SeRestorePrivilege	1104	wmic.exe
Token: SeShutdownPrivilege	1104	wmic.exe
Token: SeDebugPrivilege	1104	wmic.exe
Token: SeSystemEnvironmentPrivilege	1104	wmic.exe
Token: SeRemoteShutdownPrivilege	1104	wmic.exe
Token: SeUndockPrivilege	1104	wmic.exe
Token: SeManageVolumePrivilege	1104	wmic.exe
Token: 33	1104	wmic.exe
Token: 34	1104	wmic.exe
Token: 35	1104	wmic.exe
Token: 36	1104	wmic.exe
Token: SeIncreaseQuotaPrivilege	960	wmic.exe
Token: SeSecurityPrivilege	960	wmic.exe
Token: SeTakeOwnershipPrivilege	960	wmic.exe
Token: SeLoadDriverPrivilege	960	wmic.exe
Token: SeSystemProfilePrivilege	960	wmic.exe
Token: SeSystemtimePrivilege	960	wmic.exe
Token: SeProfSingleProcessPrivilege	960	wmic.exe
Token: SeIncBasePriorityPrivilege	960	wmic.exe
Token: SeCreatePagefilePrivilege	960	wmic.exe
Token: SeBackupPrivilege	960	wmic.exe
Token: SeRestorePrivilege	960	wmic.exe
Token: SeShutdownPrivilege	960	wmic.exe
Token: SeDebugPrivilege	960	wmic.exe
Token: SeSystemEnvironmentPrivilege	960	wmic.exe
Token: SeRemoteShutdownPrivilege	960	wmic.exe
Token: SeUndockPrivilege	960	wmic.exe
Token: SeManageVolumePrivilege	960	wmic.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 688	852	BoogieTool.exe	83
PID 852 wrote to memory of 688	852	BoogieTool.exe	83
PID 852 wrote to memory of 4300	852	BoogieTool.exe	87
PID 852 wrote to memory of 4300	852	BoogieTool.exe	87
PID 852 wrote to memory of 2400	852	BoogieTool.exe	89
PID 852 wrote to memory of 2400	852	BoogieTool.exe	89
PID 852 wrote to memory of 4812	852	BoogieTool.exe	91
PID 852 wrote to memory of 4812	852	BoogieTool.exe	91
PID 852 wrote to memory of 1104	852	BoogieTool.exe	94
PID 852 wrote to memory of 1104	852	BoogieTool.exe	94
PID 852 wrote to memory of 960	852	BoogieTool.exe	99
PID 852 wrote to memory of 960	852	BoogieTool.exe	99
PID 852 wrote to memory of 4252	852	BoogieTool.exe	101
PID 852 wrote to memory of 4252	852	BoogieTool.exe	101
PID 852 wrote to memory of 3480	852	BoogieTool.exe	103
PID 852 wrote to memory of 3480	852	BoogieTool.exe	103
PID 852 wrote to memory of 2320	852	BoogieTool.exe	105
PID 852 wrote to memory of 2320	852	BoogieTool.exe	105

C:\Users\Admin\AppData\Local\Temp\BoogieTool.exe
"C:\Users\Admin\AppData\Local\Temp\BoogieTool.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\BoogieTool.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:688
- 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:4300
- 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:2400
- 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:4812
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1104
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:960
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4252
- 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:3480
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2320

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

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
948B

MD5
2af06a6b36db9473e4a7d9c7ab72b70b

SHA1
8ef34b9b961e51bdd1b8d7d9db2ec1b0a4764645

SHA256
18a2aa7e245c6732f95fb7749b2b4d29007f2c56a9c5bfbc5e3c127bdfe5f158

SHA512
3495567a5d5af94ae27be51313d9e2630c52017d808042fe0d56baa34fa1d246eb15c253d14c77c77a1d8f2f1c81680e623044ae95415b095696e7fa141ac7cf

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

Filesize
1KB

MD5
4950bb37b35849b09a86bc7c01c8952a

SHA1
f9650f41d105d3affa7b19d58ab336a92aab4793

SHA256
5d139a221345fe53f28d2a772c8e4c8e988925b6fc228c81baa98f824a44c67c

SHA512
5b39b845d6d53acd9a20fa1e3e081f7a4c5bbea4641ed53e6d1df8fb245a57e7a659cbdbdfe41ce642b6b2a7ff98b3dd3c9a5bcea7d226cead546d097f361a40

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

Filesize
1KB

MD5
45ad40f012b09e141955482368549640

SHA1
3f9cd15875c1e397c3b2b5592805577ae88a96cb

SHA256
ea3b59172f1a33677f9cb3843fb4d6093b806d3a7cf2f3c6d4692f5421f656ce

SHA512
3de08f8affca1c1450088f560776cf3d65146cadac43c06eb922c7b3cea436e519966cf38458303ffeb1a58c53f8952cffda6c34216fda7594e014b516e83b33

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1zylc1r3.gop.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/688-4-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

Filesize
10.8MB

Download
memory/688-14-0x000002086B990000-0x000002086B9B2000-memory.dmp

Filesize
136KB

Download
memory/688-15-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

Filesize
10.8MB

Download
memory/688-18-0x000002086BA90000-0x000002086BCAC000-memory.dmp

Filesize
2.1MB

Download
memory/688-19-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

Filesize
10.8MB

Download
memory/688-3-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

Filesize
10.8MB

Download
memory/852-1-0x00000187ECB30000-0x00000187ECB70000-memory.dmp

Filesize
256KB

Download
memory/852-34-0x00000187EEFC0000-0x00000187EF010000-memory.dmp

Filesize
320KB

Download
memory/852-35-0x00000187EF050000-0x00000187EF06E000-memory.dmp

Filesize
120KB

Download
memory/852-0-0x00007FF8F62D3000-0x00007FF8F62D5000-memory.dmp

Filesize
8KB

Download
memory/852-33-0x00000187EF2D0000-0x00000187EF346000-memory.dmp

Filesize
472KB

Download
memory/852-71-0x00000187EE8D0000-0x00000187EE8DA000-memory.dmp

Filesize
40KB

Download
memory/852-72-0x00000187EF030000-0x00000187EF042000-memory.dmp

Filesize
72KB

Download
memory/852-2-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

Filesize
10.8MB

Download
memory/852-90-0x00000187EF3B0000-0x00000187EF559000-memory.dmp

Filesize
1.7MB

Download
memory/852-91-0x00007FF8F62D0000-0x00007FF8F6D91000-memory.dmp

Filesize
10.8MB

Download