umbral | ed014366195129234631901d05871e2fec76dcfc55c7ad1d9b9a871a7a3c84ef

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01-08-2024 01:59

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General

Target

ssc auto farm.exe
Size

234KB
MD5

93b8af81f443c7c7e2f7b2849a6d9267
SHA1

2f52da087a33204cc30cd5a32acd56c21ca49130
SHA256

ed014366195129234631901d05871e2fec76dcfc55c7ad1d9b9a871a7a3c84ef
SHA512

d9ae274fe0edefbc5d2f53079ed0e21a1a2affa8d995aa0433814f464230ff87b9f43295485a083f23b061c1f73d172118172f6c332f33c7f4a3925f0f946fee
SSDEEP

6144:IloZM+rIkd8g+EtXHkv/iD4KRLPOsTPkKFQu//Om9b8e1m9rw73iI:WoZtL+EP8KRLPOsTPkKFQu//O2GrwW

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2624-1-0x00000000001C0000-0x0000000000200000-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

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

execution

PowerShell

T1059.001

pid	Process
2696	powershell.exe
3008	powershell.exe
2716	powershell.exe
1676	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	ssc auto farm.exe

Deletes itself 1 IoCs

pid	Process
2944	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
7	discord.com
8	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

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
2944	cmd.exe
2928	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2224	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2928	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2624	ssc auto farm.exe
2696	powershell.exe
3008	powershell.exe
2716	powershell.exe
1568	powershell.exe
1676	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	ssc auto farm.exe
Token: SeIncreaseQuotaPrivilege	2688	wmic.exe
Token: SeSecurityPrivilege	2688	wmic.exe
Token: SeTakeOwnershipPrivilege	2688	wmic.exe
Token: SeLoadDriverPrivilege	2688	wmic.exe
Token: SeSystemProfilePrivilege	2688	wmic.exe
Token: SeSystemtimePrivilege	2688	wmic.exe
Token: SeProfSingleProcessPrivilege	2688	wmic.exe
Token: SeIncBasePriorityPrivilege	2688	wmic.exe
Token: SeCreatePagefilePrivilege	2688	wmic.exe
Token: SeBackupPrivilege	2688	wmic.exe
Token: SeRestorePrivilege	2688	wmic.exe
Token: SeShutdownPrivilege	2688	wmic.exe
Token: SeDebugPrivilege	2688	wmic.exe
Token: SeSystemEnvironmentPrivilege	2688	wmic.exe
Token: SeRemoteShutdownPrivilege	2688	wmic.exe
Token: SeUndockPrivilege	2688	wmic.exe
Token: SeManageVolumePrivilege	2688	wmic.exe
Token: 33	2688	wmic.exe
Token: 34	2688	wmic.exe
Token: 35	2688	wmic.exe
Token: SeIncreaseQuotaPrivilege	2688	wmic.exe
Token: SeSecurityPrivilege	2688	wmic.exe
Token: SeTakeOwnershipPrivilege	2688	wmic.exe
Token: SeLoadDriverPrivilege	2688	wmic.exe
Token: SeSystemProfilePrivilege	2688	wmic.exe
Token: SeSystemtimePrivilege	2688	wmic.exe
Token: SeProfSingleProcessPrivilege	2688	wmic.exe
Token: SeIncBasePriorityPrivilege	2688	wmic.exe
Token: SeCreatePagefilePrivilege	2688	wmic.exe
Token: SeBackupPrivilege	2688	wmic.exe
Token: SeRestorePrivilege	2688	wmic.exe
Token: SeShutdownPrivilege	2688	wmic.exe
Token: SeDebugPrivilege	2688	wmic.exe
Token: SeSystemEnvironmentPrivilege	2688	wmic.exe
Token: SeRemoteShutdownPrivilege	2688	wmic.exe
Token: SeUndockPrivilege	2688	wmic.exe
Token: SeManageVolumePrivilege	2688	wmic.exe
Token: 33	2688	wmic.exe
Token: 34	2688	wmic.exe
Token: 35	2688	wmic.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	1568	powershell.exe
Token: SeIncreaseQuotaPrivilege	656	wmic.exe
Token: SeSecurityPrivilege	656	wmic.exe
Token: SeTakeOwnershipPrivilege	656	wmic.exe
Token: SeLoadDriverPrivilege	656	wmic.exe
Token: SeSystemProfilePrivilege	656	wmic.exe
Token: SeSystemtimePrivilege	656	wmic.exe
Token: SeProfSingleProcessPrivilege	656	wmic.exe
Token: SeIncBasePriorityPrivilege	656	wmic.exe
Token: SeCreatePagefilePrivilege	656	wmic.exe
Token: SeBackupPrivilege	656	wmic.exe
Token: SeRestorePrivilege	656	wmic.exe
Token: SeShutdownPrivilege	656	wmic.exe
Token: SeDebugPrivilege	656	wmic.exe
Token: SeSystemEnvironmentPrivilege	656	wmic.exe
Token: SeRemoteShutdownPrivilege	656	wmic.exe
Token: SeUndockPrivilege	656	wmic.exe
Token: SeManageVolumePrivilege	656	wmic.exe
Token: 33	656	wmic.exe
Token: 34	656	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2688	2624	ssc auto farm.exe	30
PID 2624 wrote to memory of 2688	2624	ssc auto farm.exe	30
PID 2624 wrote to memory of 2688	2624	ssc auto farm.exe	30
PID 2624 wrote to memory of 2864	2624	ssc auto farm.exe	33
PID 2624 wrote to memory of 2864	2624	ssc auto farm.exe	33
PID 2624 wrote to memory of 2864	2624	ssc auto farm.exe	33
PID 2624 wrote to memory of 2696	2624	ssc auto farm.exe	35
PID 2624 wrote to memory of 2696	2624	ssc auto farm.exe	35
PID 2624 wrote to memory of 2696	2624	ssc auto farm.exe	35
PID 2624 wrote to memory of 3008	2624	ssc auto farm.exe	37
PID 2624 wrote to memory of 3008	2624	ssc auto farm.exe	37
PID 2624 wrote to memory of 3008	2624	ssc auto farm.exe	37
PID 2624 wrote to memory of 2716	2624	ssc auto farm.exe	39
PID 2624 wrote to memory of 2716	2624	ssc auto farm.exe	39
PID 2624 wrote to memory of 2716	2624	ssc auto farm.exe	39
PID 2624 wrote to memory of 1568	2624	ssc auto farm.exe	41
PID 2624 wrote to memory of 1568	2624	ssc auto farm.exe	41
PID 2624 wrote to memory of 1568	2624	ssc auto farm.exe	41
PID 2624 wrote to memory of 656	2624	ssc auto farm.exe	43
PID 2624 wrote to memory of 656	2624	ssc auto farm.exe	43
PID 2624 wrote to memory of 656	2624	ssc auto farm.exe	43
PID 2624 wrote to memory of 2788	2624	ssc auto farm.exe	45
PID 2624 wrote to memory of 2788	2624	ssc auto farm.exe	45
PID 2624 wrote to memory of 2788	2624	ssc auto farm.exe	45
PID 2624 wrote to memory of 332	2624	ssc auto farm.exe	47
PID 2624 wrote to memory of 332	2624	ssc auto farm.exe	47
PID 2624 wrote to memory of 332	2624	ssc auto farm.exe	47
PID 2624 wrote to memory of 1676	2624	ssc auto farm.exe	49
PID 2624 wrote to memory of 1676	2624	ssc auto farm.exe	49
PID 2624 wrote to memory of 1676	2624	ssc auto farm.exe	49
PID 2624 wrote to memory of 2224	2624	ssc auto farm.exe	51
PID 2624 wrote to memory of 2224	2624	ssc auto farm.exe	51
PID 2624 wrote to memory of 2224	2624	ssc auto farm.exe	51
PID 2624 wrote to memory of 2944	2624	ssc auto farm.exe	53
PID 2624 wrote to memory of 2944	2624	ssc auto farm.exe	53
PID 2624 wrote to memory of 2944	2624	ssc auto farm.exe	53
PID 2944 wrote to memory of 2928	2944	cmd.exe	55
PID 2944 wrote to memory of 2928	2944	cmd.exe	55
PID 2944 wrote to memory of 2928	2944	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2864	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe
"C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2688
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe"
  2⤵
  - Views/modifies file attributes
  PID:2864
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- 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:3008
- 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:2716
- 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:1568
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:656
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2788
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:332
- 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:1676
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2224
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2928

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
b2f78c34c7b8aa3c536e7c9d3dc5b7aa

SHA1
1d931c9ce300977b9f43652ec514761060495a0f

SHA256
da48293bce74aac52c094f07e00ad930be12edb1c90b16eb926e8de5f1378316

SHA512
7fd5b26f2f730fd044a4e82c655b752dc17af92d228ebf20de98080405d4c4046afa3512dd077f800e77a7e479723601be0b7c17a9a561facfbd4c322b5cc4c9

Download Submit
memory/1676-43-0x0000000001D10000-0x0000000001D18000-memory.dmp

Filesize
32KB

Download
memory/2624-0-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/2624-1-0x00000000001C0000-0x0000000000200000-memory.dmp

Filesize
256KB

Download
memory/2624-2-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2624-47-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2696-7-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/2696-8-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/3008-14-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/3008-15-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download