umbral | e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 01:17

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General

Target

saloader.exe
Size

229KB
MD5

1e10af7811808fc24065f18535cf1220
SHA1

65995bcb862aa66988e1bb0dbff75dcac9b400c7
SHA256

e07fd0ac793b06603be164c9ee73465af512cf17bed07614cbcd2a8410f04eed
SHA512

f1c623918a3701254805e7648d671b316446a0f98637d3de62d44331cf91502afb57ccb762472491bc4ac037fbf5f7b624eb9d39092b3be0b2ed84da6f3acadc
SSDEEP

6144:lloZMQfsXtioRkts/cnnK6cMldKRn/1+mpnsl3ySXCkb8e1muhi:noZItlRk83MldKRn/1+mpnsl3ySXze

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/1648-1-0x0000000001060000-0x00000000010A0000-memory.dmp	family_umbral

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2664	powershell.exe
2696	powershell.exe
1976	powershell.exe
1944	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Deletes itself 1 IoCs

pid	Process
672	cmd.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

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

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
672	cmd.exe
2104	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2384	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2104	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1944	powershell.exe
2664	powershell.exe
2696	powershell.exe
2996	powershell.exe
1976	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	saloader.exe
Token: SeDebugPrivilege	1944	powershell.exe
Token: SeDebugPrivilege	2664	powershell.exe
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2996	powershell.exe
Token: SeIncreaseQuotaPrivilege	1812	wmic.exe
Token: SeSecurityPrivilege	1812	wmic.exe
Token: SeTakeOwnershipPrivilege	1812	wmic.exe
Token: SeLoadDriverPrivilege	1812	wmic.exe
Token: SeSystemProfilePrivilege	1812	wmic.exe
Token: SeSystemtimePrivilege	1812	wmic.exe
Token: SeProfSingleProcessPrivilege	1812	wmic.exe
Token: SeIncBasePriorityPrivilege	1812	wmic.exe
Token: SeCreatePagefilePrivilege	1812	wmic.exe
Token: SeBackupPrivilege	1812	wmic.exe
Token: SeRestorePrivilege	1812	wmic.exe
Token: SeShutdownPrivilege	1812	wmic.exe
Token: SeDebugPrivilege	1812	wmic.exe
Token: SeSystemEnvironmentPrivilege	1812	wmic.exe
Token: SeRemoteShutdownPrivilege	1812	wmic.exe
Token: SeUndockPrivilege	1812	wmic.exe
Token: SeManageVolumePrivilege	1812	wmic.exe
Token: 33	1812	wmic.exe
Token: 34	1812	wmic.exe
Token: 35	1812	wmic.exe
Token: SeIncreaseQuotaPrivilege	1812	wmic.exe
Token: SeSecurityPrivilege	1812	wmic.exe
Token: SeTakeOwnershipPrivilege	1812	wmic.exe
Token: SeLoadDriverPrivilege	1812	wmic.exe
Token: SeSystemProfilePrivilege	1812	wmic.exe
Token: SeSystemtimePrivilege	1812	wmic.exe
Token: SeProfSingleProcessPrivilege	1812	wmic.exe
Token: SeIncBasePriorityPrivilege	1812	wmic.exe
Token: SeCreatePagefilePrivilege	1812	wmic.exe
Token: SeBackupPrivilege	1812	wmic.exe
Token: SeRestorePrivilege	1812	wmic.exe
Token: SeShutdownPrivilege	1812	wmic.exe
Token: SeDebugPrivilege	1812	wmic.exe
Token: SeSystemEnvironmentPrivilege	1812	wmic.exe
Token: SeRemoteShutdownPrivilege	1812	wmic.exe
Token: SeUndockPrivilege	1812	wmic.exe
Token: SeManageVolumePrivilege	1812	wmic.exe
Token: 33	1812	wmic.exe
Token: 34	1812	wmic.exe
Token: 35	1812	wmic.exe
Token: SeIncreaseQuotaPrivilege	2020	wmic.exe
Token: SeSecurityPrivilege	2020	wmic.exe
Token: SeTakeOwnershipPrivilege	2020	wmic.exe
Token: SeLoadDriverPrivilege	2020	wmic.exe
Token: SeSystemProfilePrivilege	2020	wmic.exe
Token: SeSystemtimePrivilege	2020	wmic.exe
Token: SeProfSingleProcessPrivilege	2020	wmic.exe
Token: SeIncBasePriorityPrivilege	2020	wmic.exe
Token: SeCreatePagefilePrivilege	2020	wmic.exe
Token: SeBackupPrivilege	2020	wmic.exe
Token: SeRestorePrivilege	2020	wmic.exe
Token: SeShutdownPrivilege	2020	wmic.exe
Token: SeDebugPrivilege	2020	wmic.exe
Token: SeSystemEnvironmentPrivilege	2020	wmic.exe
Token: SeRemoteShutdownPrivilege	2020	wmic.exe
Token: SeUndockPrivilege	2020	wmic.exe
Token: SeManageVolumePrivilege	2020	wmic.exe
Token: 33	2020	wmic.exe
Token: 34	2020	wmic.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1436	1648	saloader.exe	31
PID 1648 wrote to memory of 1436	1648	saloader.exe	31
PID 1648 wrote to memory of 1436	1648	saloader.exe	31
PID 1648 wrote to memory of 1944	1648	saloader.exe	33
PID 1648 wrote to memory of 1944	1648	saloader.exe	33
PID 1648 wrote to memory of 1944	1648	saloader.exe	33
PID 1648 wrote to memory of 2664	1648	saloader.exe	35
PID 1648 wrote to memory of 2664	1648	saloader.exe	35
PID 1648 wrote to memory of 2664	1648	saloader.exe	35
PID 1648 wrote to memory of 2696	1648	saloader.exe	37
PID 1648 wrote to memory of 2696	1648	saloader.exe	37
PID 1648 wrote to memory of 2696	1648	saloader.exe	37
PID 1648 wrote to memory of 2996	1648	saloader.exe	39
PID 1648 wrote to memory of 2996	1648	saloader.exe	39
PID 1648 wrote to memory of 2996	1648	saloader.exe	39
PID 1648 wrote to memory of 1812	1648	saloader.exe	41
PID 1648 wrote to memory of 1812	1648	saloader.exe	41
PID 1648 wrote to memory of 1812	1648	saloader.exe	41
PID 1648 wrote to memory of 2020	1648	saloader.exe	44
PID 1648 wrote to memory of 2020	1648	saloader.exe	44
PID 1648 wrote to memory of 2020	1648	saloader.exe	44
PID 1648 wrote to memory of 628	1648	saloader.exe	46
PID 1648 wrote to memory of 628	1648	saloader.exe	46
PID 1648 wrote to memory of 628	1648	saloader.exe	46
PID 1648 wrote to memory of 1976	1648	saloader.exe	48
PID 1648 wrote to memory of 1976	1648	saloader.exe	48
PID 1648 wrote to memory of 1976	1648	saloader.exe	48
PID 1648 wrote to memory of 2384	1648	saloader.exe	50
PID 1648 wrote to memory of 2384	1648	saloader.exe	50
PID 1648 wrote to memory of 2384	1648	saloader.exe	50
PID 1648 wrote to memory of 672	1648	saloader.exe	52
PID 1648 wrote to memory of 672	1648	saloader.exe	52
PID 1648 wrote to memory of 672	1648	saloader.exe	52
PID 672 wrote to memory of 2104	672	cmd.exe	54
PID 672 wrote to memory of 2104	672	cmd.exe	54
PID 672 wrote to memory of 2104	672	cmd.exe	54

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1436	attrib.exe

C:\Users\Admin\AppData\Local\Temp\saloader.exe
"C:\Users\Admin\AppData\Local\Temp\saloader.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\saloader.exe"
  2⤵
  - Views/modifies file attributes
  PID:1436
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\saloader.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1944
- 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:2664
- 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:2696
- 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:2996
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1812
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2020
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:628
- 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:1976
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2384
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\saloader.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:672
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2104

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

Exfiltration

Impact

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Downloads

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

Filesize
7KB

MD5
96e6d1d3c3b45b5c31a73553daa76203

SHA1
b5fe56e50ad499211898174493dadda2fb20a0c5

SHA256
3f24bf724c1b7e070f45c855e4fc9d1269aa8bd71367565e083eb9655fa75ed3

SHA512
3998d23a356d569a41584491a4cab8eb0e05d75cda3aec6d49ea43371054049a4c78ea0a8e2ac9f583a535ce0f7a6d836eea32482f921b3dd61894008696e078

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JO4DS9RD72C2TQBCH2UW.temp

Filesize
7KB

MD5
414ee163900234934ce7a16d38ea4309

SHA1
f99cc35fda6d025e1174048b319e45046d4b157a

SHA256
3ac639a0d2202efad24ca71cdeec3eb773f3ce2f756786b1eb9ef0fdc7c9e679

SHA512
052f942ed1243ccea29f31d53ffb5ab3e6069c16f177b174ef489f36e13c9d65a471624954f680bd04c9d6421ace1adb2b9a53a4cc06fcdf6231c035861830f1

Download Submit
memory/1648-0-0x000007FEF5D23000-0x000007FEF5D24000-memory.dmp

Filesize
4KB

Download
memory/1648-1-0x0000000001060000-0x00000000010A0000-memory.dmp

Filesize
256KB

Download
memory/1648-2-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

Filesize
9.9MB

Download
memory/1648-52-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

Filesize
9.9MB

Download
memory/1944-8-0x000000001B550000-0x000000001B832000-memory.dmp

Filesize
2.9MB

Download
memory/1944-12-0x000007FEED3B0000-0x000007FEEDD4D000-memory.dmp

Filesize
9.6MB

Download
memory/1944-13-0x000007FEED3B0000-0x000007FEEDD4D000-memory.dmp

Filesize
9.6MB

Download
memory/1944-11-0x000007FEED3B0000-0x000007FEEDD4D000-memory.dmp

Filesize
9.6MB

Download
memory/1944-10-0x000007FEED3B0000-0x000007FEEDD4D000-memory.dmp

Filesize
9.6MB

Download
memory/1944-9-0x0000000001E80000-0x0000000001E88000-memory.dmp

Filesize
32KB

Download
memory/1944-7-0x000007FEED66E000-0x000007FEED66F000-memory.dmp

Filesize
4KB

Download
memory/1976-48-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2664-19-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

Filesize
2.9MB

Download
memory/2664-20-0x0000000002900000-0x0000000002908000-memory.dmp

Filesize
32KB

Download