umbral | 382f9d13e5a5945980c767ec1d98732d971a4e07bdb9ed1950d6c455edbb203a

Analysis

max time kernel
18s
max time network
19s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
25/07/2024, 02:26

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General

Target
DD Spotify Acc Gen.exe
Size 296KB
Sample240725-cxc1sswdkh
SHA256 382f9d13e5a5945980c767ec1d98732d971a4e07bdb9ed1950d6c455edbb203a
MD5 c4cf132278a366635533a2734901aa95
SHA1 06ea6b94f8accb59c3115c67208a1116a12a7f1e
SHA512 d6f4343892a266db8b62892d0c8eef5e63492f49e237d704cf2c5237fe5249f948dbbc8471ae2db00a862af9d7658c6286a72a0f3134786dae82d5fad72eb120
SSDEEP 6144:dloZM+rIkd8g+EtXHkv/iD4PaIWVjgULYyD1Ac5eIb8e1mWiQ:/oZVL+EP8PaIWVjgULYyD1Ac5n0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral4/memory/3332-0-0x0000017578C40000-0x0000017578C90000-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
2320	powershell.exe
3168	powershell.exe
2752	powershell.exe
3600	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	DD Spotify Acc Gen.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

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
4440	cmd.exe
2880	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
248	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2880	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3332	DD Spotify Acc Gen.exe
3600	powershell.exe
3600	powershell.exe
2320	powershell.exe
2320	powershell.exe
3168	powershell.exe
3168	powershell.exe
444	powershell.exe
444	powershell.exe
2752	powershell.exe
2752	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	DD Spotify Acc Gen.exe
Token: SeIncreaseQuotaPrivilege	2920	wmic.exe
Token: SeSecurityPrivilege	2920	wmic.exe
Token: SeTakeOwnershipPrivilege	2920	wmic.exe
Token: SeLoadDriverPrivilege	2920	wmic.exe
Token: SeSystemProfilePrivilege	2920	wmic.exe
Token: SeSystemtimePrivilege	2920	wmic.exe
Token: SeProfSingleProcessPrivilege	2920	wmic.exe
Token: SeIncBasePriorityPrivilege	2920	wmic.exe
Token: SeCreatePagefilePrivilege	2920	wmic.exe
Token: SeBackupPrivilege	2920	wmic.exe
Token: SeRestorePrivilege	2920	wmic.exe
Token: SeShutdownPrivilege	2920	wmic.exe
Token: SeDebugPrivilege	2920	wmic.exe
Token: SeSystemEnvironmentPrivilege	2920	wmic.exe
Token: SeRemoteShutdownPrivilege	2920	wmic.exe
Token: SeUndockPrivilege	2920	wmic.exe
Token: SeManageVolumePrivilege	2920	wmic.exe
Token: 33	2920	wmic.exe
Token: 34	2920	wmic.exe
Token: 35	2920	wmic.exe
Token: 36	2920	wmic.exe
Token: SeIncreaseQuotaPrivilege	2920	wmic.exe
Token: SeSecurityPrivilege	2920	wmic.exe
Token: SeTakeOwnershipPrivilege	2920	wmic.exe
Token: SeLoadDriverPrivilege	2920	wmic.exe
Token: SeSystemProfilePrivilege	2920	wmic.exe
Token: SeSystemtimePrivilege	2920	wmic.exe
Token: SeProfSingleProcessPrivilege	2920	wmic.exe
Token: SeIncBasePriorityPrivilege	2920	wmic.exe
Token: SeCreatePagefilePrivilege	2920	wmic.exe
Token: SeBackupPrivilege	2920	wmic.exe
Token: SeRestorePrivilege	2920	wmic.exe
Token: SeShutdownPrivilege	2920	wmic.exe
Token: SeDebugPrivilege	2920	wmic.exe
Token: SeSystemEnvironmentPrivilege	2920	wmic.exe
Token: SeRemoteShutdownPrivilege	2920	wmic.exe
Token: SeUndockPrivilege	2920	wmic.exe
Token: SeManageVolumePrivilege	2920	wmic.exe
Token: 33	2920	wmic.exe
Token: 34	2920	wmic.exe
Token: 35	2920	wmic.exe
Token: 36	2920	wmic.exe
Token: SeDebugPrivilege	3600	powershell.exe
Token: SeDebugPrivilege	2320	powershell.exe
Token: SeDebugPrivilege	3168	powershell.exe
Token: SeDebugPrivilege	444	powershell.exe
Token: SeIncreaseQuotaPrivilege	1568	wmic.exe
Token: SeSecurityPrivilege	1568	wmic.exe
Token: SeTakeOwnershipPrivilege	1568	wmic.exe
Token: SeLoadDriverPrivilege	1568	wmic.exe
Token: SeSystemProfilePrivilege	1568	wmic.exe
Token: SeSystemtimePrivilege	1568	wmic.exe
Token: SeProfSingleProcessPrivilege	1568	wmic.exe
Token: SeIncBasePriorityPrivilege	1568	wmic.exe
Token: SeCreatePagefilePrivilege	1568	wmic.exe
Token: SeBackupPrivilege	1568	wmic.exe
Token: SeRestorePrivilege	1568	wmic.exe
Token: SeShutdownPrivilege	1568	wmic.exe
Token: SeDebugPrivilege	1568	wmic.exe
Token: SeSystemEnvironmentPrivilege	1568	wmic.exe
Token: SeRemoteShutdownPrivilege	1568	wmic.exe
Token: SeUndockPrivilege	1568	wmic.exe
Token: SeManageVolumePrivilege	1568	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 2920	3332	DD Spotify Acc Gen.exe	83
PID 3332 wrote to memory of 2920	3332	DD Spotify Acc Gen.exe	83
PID 3332 wrote to memory of 2028	3332	DD Spotify Acc Gen.exe	86
PID 3332 wrote to memory of 2028	3332	DD Spotify Acc Gen.exe	86
PID 3332 wrote to memory of 3600	3332	DD Spotify Acc Gen.exe	88
PID 3332 wrote to memory of 3600	3332	DD Spotify Acc Gen.exe	88
PID 3332 wrote to memory of 2320	3332	DD Spotify Acc Gen.exe	91
PID 3332 wrote to memory of 2320	3332	DD Spotify Acc Gen.exe	91
PID 3332 wrote to memory of 3168	3332	DD Spotify Acc Gen.exe	93
PID 3332 wrote to memory of 3168	3332	DD Spotify Acc Gen.exe	93
PID 3332 wrote to memory of 444	3332	DD Spotify Acc Gen.exe	95
PID 3332 wrote to memory of 444	3332	DD Spotify Acc Gen.exe	95
PID 3332 wrote to memory of 1568	3332	DD Spotify Acc Gen.exe	97
PID 3332 wrote to memory of 1568	3332	DD Spotify Acc Gen.exe	97
PID 3332 wrote to memory of 5092	3332	DD Spotify Acc Gen.exe	99
PID 3332 wrote to memory of 5092	3332	DD Spotify Acc Gen.exe	99
PID 3332 wrote to memory of 1800	3332	DD Spotify Acc Gen.exe	101
PID 3332 wrote to memory of 1800	3332	DD Spotify Acc Gen.exe	101
PID 3332 wrote to memory of 2752	3332	DD Spotify Acc Gen.exe	103
PID 3332 wrote to memory of 2752	3332	DD Spotify Acc Gen.exe	103
PID 3332 wrote to memory of 248	3332	DD Spotify Acc Gen.exe	105
PID 3332 wrote to memory of 248	3332	DD Spotify Acc Gen.exe	105
PID 3332 wrote to memory of 4440	3332	DD Spotify Acc Gen.exe	107
PID 3332 wrote to memory of 4440	3332	DD Spotify Acc Gen.exe	107
PID 4440 wrote to memory of 2880	4440	cmd.exe	109
PID 4440 wrote to memory of 2880	4440	cmd.exe	109

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2028	attrib.exe

C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe
"C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2920
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe"
  2⤵
  - Views/modifies file attributes
  PID:2028
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3600
- 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:2320
- 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:3168
- 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:444
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1568
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:5092
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1800
- 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:2752
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:248
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\DD Spotify Acc Gen.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2880

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 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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
MD5 627073ee3ca9676911bee35548eff2b8
SHA1 4c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA512 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888
MD5 1a9fa92a4f2e2ec9e244d43a6a4f8fb9
SHA1 9910190edfaccece1dfcc1d92e357772f5dae8f7
SHA512 5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 948B
SHA256 7887859f7179e194ff9b78f8d8fa3830790110a01597f21ff48c84cd935e49d2
MD5 45741c307af2576c6437c5fdb24ef9ce
SHA1 a6ba7a7705db14ac29a18a98dd7deb4cc759c3bf
SHA512 39fdc5931563cbf826e8b643b5f0dcdf45bb6f95a8eeb460499257ca41b3dbee4c692eaacc3fd33bddf4b6ff0c828981ed7e9cd080007bbb9f0b28e7d0d66941
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 688f15b59a784f6f4c62554f00b5d0840d1489cef989c18126c70dfee0806d37
MD5 0ac871344dc49ae49f13f0f88acb4868
SHA1 5a073862375c7e79255bb0eab32c635b57a77f98
SHA512 ace5c50303bd27998607cf34ac4322bcf5edfbd19bbb24309acf4d037b6f3f7636c7c14b6ac0b924114e036252d3a1b998951c7068f41548728fa5d92f5f9006
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 6d7da148fe930cf085b5369427eb24e66844d7f00fcc197f056e0763c7a76117
MD5 c321dfee531730b7e0b81470b947da3f
SHA1 0488401f4fc03bcdab19eeff194ff12f4439e1cb
SHA512 eee78a9529b1d89631ac8dbaef716eba95166d8c465a2c075bf89d28fab4c25a48c4d29d7f19ab0249b245bf45fac63214b092aaef9b3a09b4f8e6cfa85a076a
MD5 SHA1 SHA512

Submit Download

__PSScriptPolicyTest_ntf3muj5.1pc.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ntf3muj5.1pc.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

memory/3332-67-0x000001757A960000-0x000001757A96A000-memory.dmp

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memory/3332-33-0x000001757B4C0000-0x000001757B4DE000-memory.dmp

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memory/3332-85-0x00007FFE4C790000-0x00007FFE4D252000-memory.dmp

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memory/3332-68-0x000001757B4E0000-0x000001757B4F2000-memory.dmp

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memory/3332-2-0x00007FFE4C790000-0x00007FFE4D252000-memory.dmp

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memory/3332-31-0x000001757B310000-0x000001757B386000-memory.dmp

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memory/3332-32-0x000001757A980000-0x000001757A9D0000-memory.dmp

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memory/3332-1-0x00007FFE4C793000-0x00007FFE4C795000-memory.dmp

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memory/3332-0-0x0000017578C40000-0x0000017578C90000-memory.dmp

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memory/3600-14-0x00007FFE4C790000-0x00007FFE4D252000-memory.dmp

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memory/3600-13-0x00007FFE4C790000-0x00007FFE4D252000-memory.dmp

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memory/3600-11-0x000002F5D38C0000-0x000002F5D38E2000-memory.dmp

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memory/3600-12-0x00007FFE4C790000-0x00007FFE4D252000-memory.dmp

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memory/3600-17-0x00007FFE4C790000-0x00007FFE4D252000-memory.dmp

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