umbral | f1893a01dfcf41766265f2f197163382e7237f2571f37cf0fd83aa990942b299

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 13:50

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General

Target

Nursultan Alpha Crack.exe
Size

494KB
MD5

e6884786b4fca76e3752225aa2f24abb
SHA1

a089d0818839ee52bcd0d8156fba1470c2f9ba3c
SHA256

fd0bdd761b727b568e5d9d572aabff62177c4208ce2d1b281d278379b856bf5a
SHA512

e41ea86252a735f8a03625ba79b65a3a790663a03d66f7f4c36ab8a94244944bcf75c6389e448ce962f523120dc8cb2787c2766f12e7e6667276a038209395e6
SSDEEP

12288:doZItlRk83MllBazCg/7IsR0STTKI7AY/rXi7Q:r5r3kazCg/7IsR0STTKI/rXiU

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2344-1-0x0000000000A40000-0x0000000000AC2000-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

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

execution

PowerShell

T1059.001

pid	Process
2316	powershell.exe
2560	powershell.exe
2928	powershell.exe
2868	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Deletes itself 1 IoCs

pid	Process
2948	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
2948	cmd.exe
3016	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2056	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3016	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2316	powershell.exe
2868	powershell.exe
2560	powershell.exe
1488	powershell.exe
2928	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	Nursultan Alpha Crack.exe
Token: SeDebugPrivilege	2316	powershell.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	2560	powershell.exe
Token: SeDebugPrivilege	1488	powershell.exe
Token: SeIncreaseQuotaPrivilege	1620	wmic.exe
Token: SeSecurityPrivilege	1620	wmic.exe
Token: SeTakeOwnershipPrivilege	1620	wmic.exe
Token: SeLoadDriverPrivilege	1620	wmic.exe
Token: SeSystemProfilePrivilege	1620	wmic.exe
Token: SeSystemtimePrivilege	1620	wmic.exe
Token: SeProfSingleProcessPrivilege	1620	wmic.exe
Token: SeIncBasePriorityPrivilege	1620	wmic.exe
Token: SeCreatePagefilePrivilege	1620	wmic.exe
Token: SeBackupPrivilege	1620	wmic.exe
Token: SeRestorePrivilege	1620	wmic.exe
Token: SeShutdownPrivilege	1620	wmic.exe
Token: SeDebugPrivilege	1620	wmic.exe
Token: SeSystemEnvironmentPrivilege	1620	wmic.exe
Token: SeRemoteShutdownPrivilege	1620	wmic.exe
Token: SeUndockPrivilege	1620	wmic.exe
Token: SeManageVolumePrivilege	1620	wmic.exe
Token: 33	1620	wmic.exe
Token: 34	1620	wmic.exe
Token: 35	1620	wmic.exe
Token: SeIncreaseQuotaPrivilege	1620	wmic.exe
Token: SeSecurityPrivilege	1620	wmic.exe
Token: SeTakeOwnershipPrivilege	1620	wmic.exe
Token: SeLoadDriverPrivilege	1620	wmic.exe
Token: SeSystemProfilePrivilege	1620	wmic.exe
Token: SeSystemtimePrivilege	1620	wmic.exe
Token: SeProfSingleProcessPrivilege	1620	wmic.exe
Token: SeIncBasePriorityPrivilege	1620	wmic.exe
Token: SeCreatePagefilePrivilege	1620	wmic.exe
Token: SeBackupPrivilege	1620	wmic.exe
Token: SeRestorePrivilege	1620	wmic.exe
Token: SeShutdownPrivilege	1620	wmic.exe
Token: SeDebugPrivilege	1620	wmic.exe
Token: SeSystemEnvironmentPrivilege	1620	wmic.exe
Token: SeRemoteShutdownPrivilege	1620	wmic.exe
Token: SeUndockPrivilege	1620	wmic.exe
Token: SeManageVolumePrivilege	1620	wmic.exe
Token: 33	1620	wmic.exe
Token: 34	1620	wmic.exe
Token: 35	1620	wmic.exe
Token: SeIncreaseQuotaPrivilege	2052	wmic.exe
Token: SeSecurityPrivilege	2052	wmic.exe
Token: SeTakeOwnershipPrivilege	2052	wmic.exe
Token: SeLoadDriverPrivilege	2052	wmic.exe
Token: SeSystemProfilePrivilege	2052	wmic.exe
Token: SeSystemtimePrivilege	2052	wmic.exe
Token: SeProfSingleProcessPrivilege	2052	wmic.exe
Token: SeIncBasePriorityPrivilege	2052	wmic.exe
Token: SeCreatePagefilePrivilege	2052	wmic.exe
Token: SeBackupPrivilege	2052	wmic.exe
Token: SeRestorePrivilege	2052	wmic.exe
Token: SeShutdownPrivilege	2052	wmic.exe
Token: SeDebugPrivilege	2052	wmic.exe
Token: SeSystemEnvironmentPrivilege	2052	wmic.exe
Token: SeRemoteShutdownPrivilege	2052	wmic.exe
Token: SeUndockPrivilege	2052	wmic.exe
Token: SeManageVolumePrivilege	2052	wmic.exe
Token: 33	2052	wmic.exe
Token: 34	2052	wmic.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2728	2344	Nursultan Alpha Crack.exe	31
PID 2344 wrote to memory of 2728	2344	Nursultan Alpha Crack.exe	31
PID 2344 wrote to memory of 2728	2344	Nursultan Alpha Crack.exe	31
PID 2344 wrote to memory of 2316	2344	Nursultan Alpha Crack.exe	33
PID 2344 wrote to memory of 2316	2344	Nursultan Alpha Crack.exe	33
PID 2344 wrote to memory of 2316	2344	Nursultan Alpha Crack.exe	33
PID 2344 wrote to memory of 2868	2344	Nursultan Alpha Crack.exe	35
PID 2344 wrote to memory of 2868	2344	Nursultan Alpha Crack.exe	35
PID 2344 wrote to memory of 2868	2344	Nursultan Alpha Crack.exe	35
PID 2344 wrote to memory of 2560	2344	Nursultan Alpha Crack.exe	37
PID 2344 wrote to memory of 2560	2344	Nursultan Alpha Crack.exe	37
PID 2344 wrote to memory of 2560	2344	Nursultan Alpha Crack.exe	37
PID 2344 wrote to memory of 1488	2344	Nursultan Alpha Crack.exe	39
PID 2344 wrote to memory of 1488	2344	Nursultan Alpha Crack.exe	39
PID 2344 wrote to memory of 1488	2344	Nursultan Alpha Crack.exe	39
PID 2344 wrote to memory of 1620	2344	Nursultan Alpha Crack.exe	41
PID 2344 wrote to memory of 1620	2344	Nursultan Alpha Crack.exe	41
PID 2344 wrote to memory of 1620	2344	Nursultan Alpha Crack.exe	41
PID 2344 wrote to memory of 2052	2344	Nursultan Alpha Crack.exe	44
PID 2344 wrote to memory of 2052	2344	Nursultan Alpha Crack.exe	44
PID 2344 wrote to memory of 2052	2344	Nursultan Alpha Crack.exe	44
PID 2344 wrote to memory of 608	2344	Nursultan Alpha Crack.exe	46
PID 2344 wrote to memory of 608	2344	Nursultan Alpha Crack.exe	46
PID 2344 wrote to memory of 608	2344	Nursultan Alpha Crack.exe	46
PID 2344 wrote to memory of 2928	2344	Nursultan Alpha Crack.exe	48
PID 2344 wrote to memory of 2928	2344	Nursultan Alpha Crack.exe	48
PID 2344 wrote to memory of 2928	2344	Nursultan Alpha Crack.exe	48
PID 2344 wrote to memory of 2056	2344	Nursultan Alpha Crack.exe	50
PID 2344 wrote to memory of 2056	2344	Nursultan Alpha Crack.exe	50
PID 2344 wrote to memory of 2056	2344	Nursultan Alpha Crack.exe	50
PID 2344 wrote to memory of 2948	2344	Nursultan Alpha Crack.exe	52
PID 2344 wrote to memory of 2948	2344	Nursultan Alpha Crack.exe	52
PID 2344 wrote to memory of 2948	2344	Nursultan Alpha Crack.exe	52
PID 2948 wrote to memory of 3016	2948	cmd.exe	54
PID 2948 wrote to memory of 3016	2948	cmd.exe	54
PID 2948 wrote to memory of 3016	2948	cmd.exe	54

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2728	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Nursultan Alpha Crack.exe
"C:\Users\Admin\AppData\Local\Temp\Nursultan Alpha Crack.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Nursultan Alpha Crack.exe"
  2⤵
  - Views/modifies file attributes
  PID:2728
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Nursultan Alpha Crack.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2316
- 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:2868
- 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: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:1488
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1620
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2052
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:608
- 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:2928
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2056
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Nursultan Alpha Crack.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3016

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
e14a431fa7bd8c110e7c0cd4cca76ed5

SHA1
414efcde55558749d69bc093ff1ea54fb4531b2b

SHA256
7b77c4ef4721ef6b3ec84f591baf8d7154ea5ec48c047111a7e761aff62aa6d6

SHA512
6df4144075fc9ef45012c7700dcebc5a93d4db408c6a96894216c69bceccb3d9739316059dc43033e2fee46d0189640cb6c41e78943ea443a4b0229f63379ec4

Download Submit
memory/2316-12-0x000007FEECFB0000-0x000007FEED94D000-memory.dmp

Filesize
9.6MB

Download
memory/2316-14-0x000007FEECFB0000-0x000007FEED94D000-memory.dmp

Filesize
9.6MB

Download
memory/2316-8-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/2316-9-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/2316-11-0x000007FEECFB0000-0x000007FEED94D000-memory.dmp

Filesize
9.6MB

Download
memory/2316-10-0x000007FEECFB0000-0x000007FEED94D000-memory.dmp

Filesize
9.6MB

Download
memory/2316-7-0x000007FEED26E000-0x000007FEED26F000-memory.dmp

Filesize
4KB

Download
memory/2316-13-0x000007FEECFB0000-0x000007FEED94D000-memory.dmp

Filesize
9.6MB

Download
memory/2344-2-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download
memory/2344-0-0x000007FEF57D3000-0x000007FEF57D4000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x0000000000A40000-0x0000000000AC2000-memory.dmp

Filesize
520KB

Download
memory/2344-50-0x000007FEF57D3000-0x000007FEF57D4000-memory.dmp

Filesize
4KB

Download
memory/2344-51-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download
memory/2344-55-0x000007FEF57D0000-0x000007FEF61BC000-memory.dmp

Filesize
9.9MB

Download
memory/2868-20-0x000000001B740000-0x000000001BA22000-memory.dmp

Filesize
2.9MB

Download
memory/2868-21-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2928-49-0x000000001B680000-0x000000001B962000-memory.dmp

Filesize
2.9MB

Download