umbral | 988e18df0a992354434f712880cc3fc7b2037392736138be3b8758bd889065fb

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06-08-2024 13:50

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General

Target

Cheat.exe
Size

229KB
MD5

57b52820e80bbf21cb91858308b64a43
SHA1

681de078a2bab05ff51d6b211a6136cd0a4cf5c5
SHA256

cad17c73e90686eee88e8e73039d69d0969a544a20d324cb30efe4849bf22be2
SHA512

981daa6346b6887d92fc77e865a9de661ebdf5216cca2c05a2817b28833a02a07ae5c64d181990dd0d86971e740a44e709b058a50cbef146066e00bce6628454
SSDEEP

6144:tloZMcrIkd8g+EtXHkv/iD49XVt8il92+De8NhoMi2b8e1m4ohi:voZrL+EP89XVt8il92+De8NhoQG4

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2072-1-0x0000000000910000-0x0000000000950000-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
568	powershell.exe
2592	powershell.exe
2516	powershell.exe
2656	powershell.exe

Deletes itself 1 IoCs

pid	Process
2160	cmd.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
9	discord.com
10	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
6	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
2160	cmd.exe
2496	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2380	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2496	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2072	Cheat.exe
2656	powershell.exe
2592	powershell.exe
2516	powershell.exe
624	powershell.exe
568	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	Cheat.exe
Token: SeIncreaseQuotaPrivilege	2680	wmic.exe
Token: SeSecurityPrivilege	2680	wmic.exe
Token: SeTakeOwnershipPrivilege	2680	wmic.exe
Token: SeLoadDriverPrivilege	2680	wmic.exe
Token: SeSystemProfilePrivilege	2680	wmic.exe
Token: SeSystemtimePrivilege	2680	wmic.exe
Token: SeProfSingleProcessPrivilege	2680	wmic.exe
Token: SeIncBasePriorityPrivilege	2680	wmic.exe
Token: SeCreatePagefilePrivilege	2680	wmic.exe
Token: SeBackupPrivilege	2680	wmic.exe
Token: SeRestorePrivilege	2680	wmic.exe
Token: SeShutdownPrivilege	2680	wmic.exe
Token: SeDebugPrivilege	2680	wmic.exe
Token: SeSystemEnvironmentPrivilege	2680	wmic.exe
Token: SeRemoteShutdownPrivilege	2680	wmic.exe
Token: SeUndockPrivilege	2680	wmic.exe
Token: SeManageVolumePrivilege	2680	wmic.exe
Token: 33	2680	wmic.exe
Token: 34	2680	wmic.exe
Token: 35	2680	wmic.exe
Token: SeIncreaseQuotaPrivilege	2680	wmic.exe
Token: SeSecurityPrivilege	2680	wmic.exe
Token: SeTakeOwnershipPrivilege	2680	wmic.exe
Token: SeLoadDriverPrivilege	2680	wmic.exe
Token: SeSystemProfilePrivilege	2680	wmic.exe
Token: SeSystemtimePrivilege	2680	wmic.exe
Token: SeProfSingleProcessPrivilege	2680	wmic.exe
Token: SeIncBasePriorityPrivilege	2680	wmic.exe
Token: SeCreatePagefilePrivilege	2680	wmic.exe
Token: SeBackupPrivilege	2680	wmic.exe
Token: SeRestorePrivilege	2680	wmic.exe
Token: SeShutdownPrivilege	2680	wmic.exe
Token: SeDebugPrivilege	2680	wmic.exe
Token: SeSystemEnvironmentPrivilege	2680	wmic.exe
Token: SeRemoteShutdownPrivilege	2680	wmic.exe
Token: SeUndockPrivilege	2680	wmic.exe
Token: SeManageVolumePrivilege	2680	wmic.exe
Token: 33	2680	wmic.exe
Token: 34	2680	wmic.exe
Token: 35	2680	wmic.exe
Token: SeDebugPrivilege	2656	powershell.exe
Token: SeDebugPrivilege	2592	powershell.exe
Token: SeDebugPrivilege	2516	powershell.exe
Token: SeDebugPrivilege	624	powershell.exe
Token: SeIncreaseQuotaPrivilege	2992	wmic.exe
Token: SeSecurityPrivilege	2992	wmic.exe
Token: SeTakeOwnershipPrivilege	2992	wmic.exe
Token: SeLoadDriverPrivilege	2992	wmic.exe
Token: SeSystemProfilePrivilege	2992	wmic.exe
Token: SeSystemtimePrivilege	2992	wmic.exe
Token: SeProfSingleProcessPrivilege	2992	wmic.exe
Token: SeIncBasePriorityPrivilege	2992	wmic.exe
Token: SeCreatePagefilePrivilege	2992	wmic.exe
Token: SeBackupPrivilege	2992	wmic.exe
Token: SeRestorePrivilege	2992	wmic.exe
Token: SeShutdownPrivilege	2992	wmic.exe
Token: SeDebugPrivilege	2992	wmic.exe
Token: SeSystemEnvironmentPrivilege	2992	wmic.exe
Token: SeRemoteShutdownPrivilege	2992	wmic.exe
Token: SeUndockPrivilege	2992	wmic.exe
Token: SeManageVolumePrivilege	2992	wmic.exe
Token: 33	2992	wmic.exe
Token: 34	2992	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2680	2072	Cheat.exe	30
PID 2072 wrote to memory of 2680	2072	Cheat.exe	30
PID 2072 wrote to memory of 2680	2072	Cheat.exe	30
PID 2072 wrote to memory of 2544	2072	Cheat.exe	33
PID 2072 wrote to memory of 2544	2072	Cheat.exe	33
PID 2072 wrote to memory of 2544	2072	Cheat.exe	33
PID 2072 wrote to memory of 2656	2072	Cheat.exe	35
PID 2072 wrote to memory of 2656	2072	Cheat.exe	35
PID 2072 wrote to memory of 2656	2072	Cheat.exe	35
PID 2072 wrote to memory of 2592	2072	Cheat.exe	37
PID 2072 wrote to memory of 2592	2072	Cheat.exe	37
PID 2072 wrote to memory of 2592	2072	Cheat.exe	37
PID 2072 wrote to memory of 2516	2072	Cheat.exe	39
PID 2072 wrote to memory of 2516	2072	Cheat.exe	39
PID 2072 wrote to memory of 2516	2072	Cheat.exe	39
PID 2072 wrote to memory of 624	2072	Cheat.exe	41
PID 2072 wrote to memory of 624	2072	Cheat.exe	41
PID 2072 wrote to memory of 624	2072	Cheat.exe	41
PID 2072 wrote to memory of 2992	2072	Cheat.exe	43
PID 2072 wrote to memory of 2992	2072	Cheat.exe	43
PID 2072 wrote to memory of 2992	2072	Cheat.exe	43
PID 2072 wrote to memory of 2852	2072	Cheat.exe	45
PID 2072 wrote to memory of 2852	2072	Cheat.exe	45
PID 2072 wrote to memory of 2852	2072	Cheat.exe	45
PID 2072 wrote to memory of 1784	2072	Cheat.exe	47
PID 2072 wrote to memory of 1784	2072	Cheat.exe	47
PID 2072 wrote to memory of 1784	2072	Cheat.exe	47
PID 2072 wrote to memory of 568	2072	Cheat.exe	49
PID 2072 wrote to memory of 568	2072	Cheat.exe	49
PID 2072 wrote to memory of 568	2072	Cheat.exe	49
PID 2072 wrote to memory of 2380	2072	Cheat.exe	51
PID 2072 wrote to memory of 2380	2072	Cheat.exe	51
PID 2072 wrote to memory of 2380	2072	Cheat.exe	51
PID 2072 wrote to memory of 2160	2072	Cheat.exe	53
PID 2072 wrote to memory of 2160	2072	Cheat.exe	53
PID 2072 wrote to memory of 2160	2072	Cheat.exe	53
PID 2160 wrote to memory of 2496	2160	cmd.exe	55
PID 2160 wrote to memory of 2496	2160	cmd.exe	55
PID 2160 wrote to memory of 2496	2160	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2544	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Cheat.exe
"C:\Users\Admin\AppData\Local\Temp\Cheat.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Cheat.exe"
  2⤵
  - Views/modifies file attributes
  PID:2544
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Cheat.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656
- 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:2592
- 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:2516
- 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:624
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2852
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1784
- 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:568
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2380
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Cheat.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2496

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
4ffbbdcf152c3c5b733732533d5fe341

SHA1
49e61f15e89b95d87cd3456e4f538be57fc09c0e

SHA256
d2f44d4877fec4169ba5636c503de94c504794996d710ac9ce3a57f9949a979c

SHA512
d29dcc359f5902a816f73e827108ab7468f7a3035770953def658bc32e65c9ed6a820a0a2eefdcd0322503843e7e8f46ee8ce04e587798a6f0a54281f7257f4b

Download Submit
memory/568-40-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/2072-0-0x000007FEF5003000-0x000007FEF5004000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000000910000-0x0000000000950000-memory.dmp

Filesize
256KB

Download
memory/2072-2-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2072-44-0x000007FEF5000000-0x000007FEF59EC000-memory.dmp

Filesize
9.9MB

Download
memory/2592-14-0x000000001B2F0000-0x000000001B5D2000-memory.dmp

Filesize
2.9MB

Download
memory/2592-15-0x0000000002050000-0x0000000002058000-memory.dmp

Filesize
32KB

Download
memory/2656-7-0x000000001B280000-0x000000001B562000-memory.dmp

Filesize
2.9MB

Download
memory/2656-8-0x00000000024F0000-0x00000000024F8000-memory.dmp

Filesize
32KB

Download