umbral | ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 03:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe
Size

229KB
MD5

4a89926d7875b20715aee8b91055288a
SHA1

bc9dd5dd8c03ba61a00284597816da69b26d3124
SHA256

ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d
SHA512

a4fdd5dfd1aeef9335dc1b9cb70c0e38cd548ce0ee58c003ac2d1b6cc7193e4585a7c1283d4030ffb13909089c625e9f99f371d677228fad5f8319f2d8d71bec
SSDEEP

6144:tloZM+rIkd8g+EtXHkv/iD4Zb++zZqSteY5rWWDPtbb8e1mQLi:voZ1L+EP8Zb++zZqSteY5rWWD1xG

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2996-1-0x0000000001160000-0x00000000011A0000-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
2684	powershell.exe
3016	powershell.exe
2512	powershell.exe
1072	powershell.exe

Deletes itself 1 IoCs

pid	Process
2116	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
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

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
2116	cmd.exe
2072	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
756	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2072	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2684	powershell.exe
3016	powershell.exe
2512	powershell.exe
1688	powershell.exe
1072	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	3016	powershell.exe
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeIncreaseQuotaPrivilege	2804	wmic.exe
Token: SeSecurityPrivilege	2804	wmic.exe
Token: SeTakeOwnershipPrivilege	2804	wmic.exe
Token: SeLoadDriverPrivilege	2804	wmic.exe
Token: SeSystemProfilePrivilege	2804	wmic.exe
Token: SeSystemtimePrivilege	2804	wmic.exe
Token: SeProfSingleProcessPrivilege	2804	wmic.exe
Token: SeIncBasePriorityPrivilege	2804	wmic.exe
Token: SeCreatePagefilePrivilege	2804	wmic.exe
Token: SeBackupPrivilege	2804	wmic.exe
Token: SeRestorePrivilege	2804	wmic.exe
Token: SeShutdownPrivilege	2804	wmic.exe
Token: SeDebugPrivilege	2804	wmic.exe
Token: SeSystemEnvironmentPrivilege	2804	wmic.exe
Token: SeRemoteShutdownPrivilege	2804	wmic.exe
Token: SeUndockPrivilege	2804	wmic.exe
Token: SeManageVolumePrivilege	2804	wmic.exe
Token: 33	2804	wmic.exe
Token: 34	2804	wmic.exe
Token: 35	2804	wmic.exe
Token: SeIncreaseQuotaPrivilege	2804	wmic.exe
Token: SeSecurityPrivilege	2804	wmic.exe
Token: SeTakeOwnershipPrivilege	2804	wmic.exe
Token: SeLoadDriverPrivilege	2804	wmic.exe
Token: SeSystemProfilePrivilege	2804	wmic.exe
Token: SeSystemtimePrivilege	2804	wmic.exe
Token: SeProfSingleProcessPrivilege	2804	wmic.exe
Token: SeIncBasePriorityPrivilege	2804	wmic.exe
Token: SeCreatePagefilePrivilege	2804	wmic.exe
Token: SeBackupPrivilege	2804	wmic.exe
Token: SeRestorePrivilege	2804	wmic.exe
Token: SeShutdownPrivilege	2804	wmic.exe
Token: SeDebugPrivilege	2804	wmic.exe
Token: SeSystemEnvironmentPrivilege	2804	wmic.exe
Token: SeRemoteShutdownPrivilege	2804	wmic.exe
Token: SeUndockPrivilege	2804	wmic.exe
Token: SeManageVolumePrivilege	2804	wmic.exe
Token: 33	2804	wmic.exe
Token: 34	2804	wmic.exe
Token: 35	2804	wmic.exe
Token: SeIncreaseQuotaPrivilege	1264	wmic.exe
Token: SeSecurityPrivilege	1264	wmic.exe
Token: SeTakeOwnershipPrivilege	1264	wmic.exe
Token: SeLoadDriverPrivilege	1264	wmic.exe
Token: SeSystemProfilePrivilege	1264	wmic.exe
Token: SeSystemtimePrivilege	1264	wmic.exe
Token: SeProfSingleProcessPrivilege	1264	wmic.exe
Token: SeIncBasePriorityPrivilege	1264	wmic.exe
Token: SeCreatePagefilePrivilege	1264	wmic.exe
Token: SeBackupPrivilege	1264	wmic.exe
Token: SeRestorePrivilege	1264	wmic.exe
Token: SeShutdownPrivilege	1264	wmic.exe
Token: SeDebugPrivilege	1264	wmic.exe
Token: SeSystemEnvironmentPrivilege	1264	wmic.exe
Token: SeRemoteShutdownPrivilege	1264	wmic.exe
Token: SeUndockPrivilege	1264	wmic.exe
Token: SeManageVolumePrivilege	1264	wmic.exe
Token: 33	1264	wmic.exe
Token: 34	1264	wmic.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2668	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	30
PID 2996 wrote to memory of 2668	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	30
PID 2996 wrote to memory of 2668	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	30
PID 2996 wrote to memory of 2684	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	32
PID 2996 wrote to memory of 2684	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	32
PID 2996 wrote to memory of 2684	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	32
PID 2996 wrote to memory of 3016	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	34
PID 2996 wrote to memory of 3016	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	34
PID 2996 wrote to memory of 3016	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	34
PID 2996 wrote to memory of 2512	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	36
PID 2996 wrote to memory of 2512	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	36
PID 2996 wrote to memory of 2512	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	36
PID 2996 wrote to memory of 1688	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	38
PID 2996 wrote to memory of 1688	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	38
PID 2996 wrote to memory of 1688	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	38
PID 2996 wrote to memory of 2804	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	40
PID 2996 wrote to memory of 2804	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	40
PID 2996 wrote to memory of 2804	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	40
PID 2996 wrote to memory of 1264	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	43
PID 2996 wrote to memory of 1264	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	43
PID 2996 wrote to memory of 1264	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	43
PID 2996 wrote to memory of 436	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	45
PID 2996 wrote to memory of 436	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	45
PID 2996 wrote to memory of 436	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	45
PID 2996 wrote to memory of 1072	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	47
PID 2996 wrote to memory of 1072	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	47
PID 2996 wrote to memory of 1072	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	47
PID 2996 wrote to memory of 756	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	49
PID 2996 wrote to memory of 756	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	49
PID 2996 wrote to memory of 756	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	49
PID 2996 wrote to memory of 2116	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	51
PID 2996 wrote to memory of 2116	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	51
PID 2996 wrote to memory of 2116	2996	ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe	51
PID 2116 wrote to memory of 2072	2116	cmd.exe	53
PID 2116 wrote to memory of 2072	2116	cmd.exe	53
PID 2116 wrote to memory of 2072	2116	cmd.exe	53

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2668	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe
"C:\Users\Admin\AppData\Local\Temp\ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe"
  2⤵
  - Views/modifies file attributes
  PID:2668
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- 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:3016
- 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:2512
- 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:1688
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1264
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:436
- 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:1072
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:756
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2072

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
7KB

MD5
8243f289ea8438701fd8b7cb9c6116c8

SHA1
21ab92617d9c081ec03a6037ec6c1974ae32f95f

SHA256
6fbfdb60c47482f2f8461e535794f5ecf7e0c007395183fd1feac7c4b09cc4eb

SHA512
d552ef1a641143c1a1b91a42fa3f1cd637963ba1dc6ba0047f36a575e496a13dcc58efb9aa2d8f5b0ecbb96389a2fb34cc7f064789d42bca935c74c3a31a6c5c

Download Submit
memory/2684-10-0x000007FEEDCF0000-0x000007FEEE68D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-12-0x000007FEEDCF0000-0x000007FEEE68D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-15-0x000007FEEDCF0000-0x000007FEEE68D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-9-0x0000000002AE0000-0x0000000002AE8000-memory.dmp

Filesize
32KB

Download
memory/2684-8-0x000000001B400000-0x000000001B6E2000-memory.dmp

Filesize
2.9MB

Download
memory/2684-11-0x000007FEEDCF0000-0x000007FEEE68D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-13-0x000007FEEDCF0000-0x000007FEEE68D000-memory.dmp

Filesize
9.6MB

Download
memory/2684-7-0x000007FEEDFAE000-0x000007FEEDFAF000-memory.dmp

Filesize
4KB

Download
memory/2684-14-0x000007FEEDCF0000-0x000007FEEE68D000-memory.dmp

Filesize
9.6MB

Download
memory/2996-0-0x000007FEF61A3000-0x000007FEF61A4000-memory.dmp

Filesize
4KB

Download
memory/2996-2-0x000007FEF61A0000-0x000007FEF6B8C000-memory.dmp

Filesize
9.9MB

Download
memory/2996-1-0x0000000001160000-0x00000000011A0000-memory.dmp

Filesize
256KB

Download
memory/2996-52-0x000007FEF61A0000-0x000007FEF6B8C000-memory.dmp

Filesize
9.9MB

Download
memory/3016-21-0x000000001B560000-0x000000001B842000-memory.dmp

Filesize
2.9MB

Download
memory/3016-22-0x0000000002990000-0x0000000002998000-memory.dmp

Filesize
32KB

Download