umbral | 59f753961fb11dab712f961493856dd8e73904674558b5a40a1a2093acc556bf

Analysis

max time kernel
63s
max time network
65s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 21:12

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General

Target

freecheat.exe
Size

229KB
MD5

663aef72cbcab67af4599975ce5786bc
SHA1

af90b484dd8e9d7e29ee83855c7ec6d48a099861
SHA256

59f753961fb11dab712f961493856dd8e73904674558b5a40a1a2093acc556bf
SHA512

3ca80c4a05541235cfc10e27be099cf99f0697c82873229d334fb5cc844c11ecd0695151a0c9d4765b0c271b9ac5f3d198e75ac2052919155de0d15003820586
SSDEEP

6144:lloZMCrIkd8g+EtXHkv/iD4kM3hOsTPksFQu//Ou3b8e1mT2Si:noZZL+EP8kM3hOsTPksFQu//OMI2H

Score

10^/10

umbral credential_access execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/4628-1-0x000001C99D150000-0x000001C99D190000-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
3732	powershell.exe
3748	powershell.exe
1900	powershell.exe
2988	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
36	discord.com
37	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
25	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4596	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2988	powershell.exe
2988	powershell.exe
3732	powershell.exe
3732	powershell.exe
3748	powershell.exe
3748	powershell.exe
1340	powershell.exe
1340	powershell.exe
1900	powershell.exe
1900	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4628	freecheat.exe
Token: SeDebugPrivilege	2988	powershell.exe
Token: SeDebugPrivilege	3732	powershell.exe
Token: SeDebugPrivilege	3748	powershell.exe
Token: SeDebugPrivilege	1340	powershell.exe
Token: SeIncreaseQuotaPrivilege	5080	wmic.exe
Token: SeSecurityPrivilege	5080	wmic.exe
Token: SeTakeOwnershipPrivilege	5080	wmic.exe
Token: SeLoadDriverPrivilege	5080	wmic.exe
Token: SeSystemProfilePrivilege	5080	wmic.exe
Token: SeSystemtimePrivilege	5080	wmic.exe
Token: SeProfSingleProcessPrivilege	5080	wmic.exe
Token: SeIncBasePriorityPrivilege	5080	wmic.exe
Token: SeCreatePagefilePrivilege	5080	wmic.exe
Token: SeBackupPrivilege	5080	wmic.exe
Token: SeRestorePrivilege	5080	wmic.exe
Token: SeShutdownPrivilege	5080	wmic.exe
Token: SeDebugPrivilege	5080	wmic.exe
Token: SeSystemEnvironmentPrivilege	5080	wmic.exe
Token: SeRemoteShutdownPrivilege	5080	wmic.exe
Token: SeUndockPrivilege	5080	wmic.exe
Token: SeManageVolumePrivilege	5080	wmic.exe
Token: 33	5080	wmic.exe
Token: 34	5080	wmic.exe
Token: 35	5080	wmic.exe
Token: 36	5080	wmic.exe
Token: SeIncreaseQuotaPrivilege	5080	wmic.exe
Token: SeSecurityPrivilege	5080	wmic.exe
Token: SeTakeOwnershipPrivilege	5080	wmic.exe
Token: SeLoadDriverPrivilege	5080	wmic.exe
Token: SeSystemProfilePrivilege	5080	wmic.exe
Token: SeSystemtimePrivilege	5080	wmic.exe
Token: SeProfSingleProcessPrivilege	5080	wmic.exe
Token: SeIncBasePriorityPrivilege	5080	wmic.exe
Token: SeCreatePagefilePrivilege	5080	wmic.exe
Token: SeBackupPrivilege	5080	wmic.exe
Token: SeRestorePrivilege	5080	wmic.exe
Token: SeShutdownPrivilege	5080	wmic.exe
Token: SeDebugPrivilege	5080	wmic.exe
Token: SeSystemEnvironmentPrivilege	5080	wmic.exe
Token: SeRemoteShutdownPrivilege	5080	wmic.exe
Token: SeUndockPrivilege	5080	wmic.exe
Token: SeManageVolumePrivilege	5080	wmic.exe
Token: 33	5080	wmic.exe
Token: 34	5080	wmic.exe
Token: 35	5080	wmic.exe
Token: 36	5080	wmic.exe
Token: SeIncreaseQuotaPrivilege	372	wmic.exe
Token: SeSecurityPrivilege	372	wmic.exe
Token: SeTakeOwnershipPrivilege	372	wmic.exe
Token: SeLoadDriverPrivilege	372	wmic.exe
Token: SeSystemProfilePrivilege	372	wmic.exe
Token: SeSystemtimePrivilege	372	wmic.exe
Token: SeProfSingleProcessPrivilege	372	wmic.exe
Token: SeIncBasePriorityPrivilege	372	wmic.exe
Token: SeCreatePagefilePrivilege	372	wmic.exe
Token: SeBackupPrivilege	372	wmic.exe
Token: SeRestorePrivilege	372	wmic.exe
Token: SeShutdownPrivilege	372	wmic.exe
Token: SeDebugPrivilege	372	wmic.exe
Token: SeSystemEnvironmentPrivilege	372	wmic.exe
Token: SeRemoteShutdownPrivilege	372	wmic.exe
Token: SeUndockPrivilege	372	wmic.exe
Token: SeManageVolumePrivilege	372	wmic.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 2988	4628	freecheat.exe	84
PID 4628 wrote to memory of 2988	4628	freecheat.exe	84
PID 4628 wrote to memory of 3732	4628	freecheat.exe	87
PID 4628 wrote to memory of 3732	4628	freecheat.exe	87
PID 4628 wrote to memory of 3748	4628	freecheat.exe	89
PID 4628 wrote to memory of 3748	4628	freecheat.exe	89
PID 4628 wrote to memory of 1340	4628	freecheat.exe	93
PID 4628 wrote to memory of 1340	4628	freecheat.exe	93
PID 4628 wrote to memory of 5080	4628	freecheat.exe	100
PID 4628 wrote to memory of 5080	4628	freecheat.exe	100
PID 4628 wrote to memory of 372	4628	freecheat.exe	102
PID 4628 wrote to memory of 372	4628	freecheat.exe	102
PID 4628 wrote to memory of 1132	4628	freecheat.exe	104
PID 4628 wrote to memory of 1132	4628	freecheat.exe	104
PID 4628 wrote to memory of 1900	4628	freecheat.exe	106
PID 4628 wrote to memory of 1900	4628	freecheat.exe	106
PID 4628 wrote to memory of 4596	4628	freecheat.exe	108
PID 4628 wrote to memory of 4596	4628	freecheat.exe	108

C:\Users\Admin\AppData\Local\Temp\freecheat.exe
"C:\Users\Admin\AppData\Local\Temp\freecheat.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\freecheat.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2988
- 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:3732
- 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:3748
- 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:1340
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5080
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:372
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1132
- 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:1900
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4596

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
329123bada84179ffd139a7b5df863b3

SHA1
9b23e9aa9eca5b46a13bf0a8f339cc524ad2afbc

SHA256
5b3426533a3936bcc4e19a520f30e214398f1454f4dc447d62a22eea44431864

SHA512
1974443bd019579be395c0079f95cebdcd6dcdc2f09a8dadc22752698c3d77e6b6846b1bab509ba6a6861133fff680ff64ee5915eaac43bd8bcddfffe61b9686

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
ec79fae4e7c09310ebf4f2d85a33a638

SHA1
f2bdd995b12e65e7ed437d228f22223b59e76efb

SHA256
e9c4723a5fe34e081c3d2f548a1d472394cc7aa58056fcf44ca542061381243a

SHA512
af9dda12f6bb388d826fe03a4a8beed9bda23a978aa55a2af6a43271660ee896a7ee3bcf2c4d2f1e6180902791d8c23560f1c2ec097a501d8c6f4f6c49075625

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pdc3iyd1.zcd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2988-8-0x000001E8B6ED0000-0x000001E8B6EF2000-memory.dmp

Filesize
136KB

Download
memory/2988-13-0x00007FFE7A4B0000-0x00007FFE7AF71000-memory.dmp

Filesize
10.8MB

Download
memory/2988-14-0x00007FFE7A4B0000-0x00007FFE7AF71000-memory.dmp

Filesize
10.8MB

Download
memory/2988-15-0x00007FFE7A4B0000-0x00007FFE7AF71000-memory.dmp

Filesize
10.8MB

Download
memory/2988-18-0x00007FFE7A4B0000-0x00007FFE7AF71000-memory.dmp

Filesize
10.8MB

Download
memory/3732-31-0x0000017034210000-0x000001703442C000-memory.dmp

Filesize
2.1MB

Download
memory/4628-32-0x000001C9B7890000-0x000001C9B7906000-memory.dmp

Filesize
472KB

Download
memory/4628-34-0x000001C99F010000-0x000001C99F02E000-memory.dmp

Filesize
120KB

Download
memory/4628-33-0x000001C9B7910000-0x000001C9B7960000-memory.dmp

Filesize
320KB

Download
memory/4628-0-0x00007FFE7A4B3000-0x00007FFE7A4B5000-memory.dmp

Filesize
8KB

Download
memory/4628-2-0x00007FFE7A4B0000-0x00007FFE7AF71000-memory.dmp

Filesize
10.8MB

Download
memory/4628-70-0x000001C99F030000-0x000001C99F03A000-memory.dmp

Filesize
40KB

Download
memory/4628-71-0x000001C9B7960000-0x000001C9B7972000-memory.dmp

Filesize
72KB

Download
memory/4628-1-0x000001C99D150000-0x000001C99D190000-memory.dmp

Filesize
256KB

Download
memory/4628-86-0x00007FFE7A4B3000-0x00007FFE7A4B5000-memory.dmp

Filesize
8KB

Download
memory/4628-87-0x00007FFE7A4B0000-0x00007FFE7AF71000-memory.dmp

Filesize
10.8MB

Download
memory/4628-91-0x000001C9B79F0000-0x000001C9B7B99000-memory.dmp

Filesize
1.7MB

Download
memory/4628-92-0x00007FFE7A4B0000-0x00007FFE7AF71000-memory.dmp

Filesize
10.8MB

Download