umbral | 742a545012a6b530384b980e4c4b77369b53d656309605cb5b111374493a098c

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10-08-2024 03:39

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General

Target

Condo crim uploader.exe
Size

231KB
MD5

d9aa5d47970457518e7f2f9fbe245733
SHA1

05b025859cffad39a0b7292de373eb9c57a96941
SHA256

742a545012a6b530384b980e4c4b77369b53d656309605cb5b111374493a098c
SHA512

71b152d622ff6461617f37338e14e10ae7330f3358881daf8eb999a4d01b2f63873ed80a89d1179ef4613e47b0878369a14cbdde575452585b5c4b380f43fd27
SSDEEP

6144:RloZM+rIkd8g+EtXHkv/iD46TGMVjgULCyD1Ac52db8e1mti:joZtL+EP86TGMVjgULCyD1Ac5W/

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/1956-1-0x00000000002B0000-0x00000000002F0000-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

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2516	powershell.exe
2044	powershell.exe
836	powershell.exe
2552	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Deletes itself 1 IoCs

pid	Process
2184	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
9	discord.com
10	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
2184	cmd.exe
2784	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2172	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2784	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1956	Condo crim uploader.exe
2552	powershell.exe
2516	powershell.exe
2044	powershell.exe
1988	powershell.exe
836	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	Condo crim uploader.exe
Token: SeIncreaseQuotaPrivilege	2728	wmic.exe
Token: SeSecurityPrivilege	2728	wmic.exe
Token: SeTakeOwnershipPrivilege	2728	wmic.exe
Token: SeLoadDriverPrivilege	2728	wmic.exe
Token: SeSystemProfilePrivilege	2728	wmic.exe
Token: SeSystemtimePrivilege	2728	wmic.exe
Token: SeProfSingleProcessPrivilege	2728	wmic.exe
Token: SeIncBasePriorityPrivilege	2728	wmic.exe
Token: SeCreatePagefilePrivilege	2728	wmic.exe
Token: SeBackupPrivilege	2728	wmic.exe
Token: SeRestorePrivilege	2728	wmic.exe
Token: SeShutdownPrivilege	2728	wmic.exe
Token: SeDebugPrivilege	2728	wmic.exe
Token: SeSystemEnvironmentPrivilege	2728	wmic.exe
Token: SeRemoteShutdownPrivilege	2728	wmic.exe
Token: SeUndockPrivilege	2728	wmic.exe
Token: SeManageVolumePrivilege	2728	wmic.exe
Token: 33	2728	wmic.exe
Token: 34	2728	wmic.exe
Token: 35	2728	wmic.exe
Token: SeIncreaseQuotaPrivilege	2728	wmic.exe
Token: SeSecurityPrivilege	2728	wmic.exe
Token: SeTakeOwnershipPrivilege	2728	wmic.exe
Token: SeLoadDriverPrivilege	2728	wmic.exe
Token: SeSystemProfilePrivilege	2728	wmic.exe
Token: SeSystemtimePrivilege	2728	wmic.exe
Token: SeProfSingleProcessPrivilege	2728	wmic.exe
Token: SeIncBasePriorityPrivilege	2728	wmic.exe
Token: SeCreatePagefilePrivilege	2728	wmic.exe
Token: SeBackupPrivilege	2728	wmic.exe
Token: SeRestorePrivilege	2728	wmic.exe
Token: SeShutdownPrivilege	2728	wmic.exe
Token: SeDebugPrivilege	2728	wmic.exe
Token: SeSystemEnvironmentPrivilege	2728	wmic.exe
Token: SeRemoteShutdownPrivilege	2728	wmic.exe
Token: SeUndockPrivilege	2728	wmic.exe
Token: SeManageVolumePrivilege	2728	wmic.exe
Token: 33	2728	wmic.exe
Token: 34	2728	wmic.exe
Token: 35	2728	wmic.exe
Token: SeDebugPrivilege	2552	powershell.exe
Token: SeDebugPrivilege	2516	powershell.exe
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeDebugPrivilege	1988	powershell.exe
Token: SeIncreaseQuotaPrivilege	324	wmic.exe
Token: SeSecurityPrivilege	324	wmic.exe
Token: SeTakeOwnershipPrivilege	324	wmic.exe
Token: SeLoadDriverPrivilege	324	wmic.exe
Token: SeSystemProfilePrivilege	324	wmic.exe
Token: SeSystemtimePrivilege	324	wmic.exe
Token: SeProfSingleProcessPrivilege	324	wmic.exe
Token: SeIncBasePriorityPrivilege	324	wmic.exe
Token: SeCreatePagefilePrivilege	324	wmic.exe
Token: SeBackupPrivilege	324	wmic.exe
Token: SeRestorePrivilege	324	wmic.exe
Token: SeShutdownPrivilege	324	wmic.exe
Token: SeDebugPrivilege	324	wmic.exe
Token: SeSystemEnvironmentPrivilege	324	wmic.exe
Token: SeRemoteShutdownPrivilege	324	wmic.exe
Token: SeUndockPrivilege	324	wmic.exe
Token: SeManageVolumePrivilege	324	wmic.exe
Token: 33	324	wmic.exe
Token: 34	324	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2728	1956	Condo crim uploader.exe	30
PID 1956 wrote to memory of 2728	1956	Condo crim uploader.exe	30
PID 1956 wrote to memory of 2728	1956	Condo crim uploader.exe	30
PID 1956 wrote to memory of 2964	1956	Condo crim uploader.exe	33
PID 1956 wrote to memory of 2964	1956	Condo crim uploader.exe	33
PID 1956 wrote to memory of 2964	1956	Condo crim uploader.exe	33
PID 1956 wrote to memory of 2552	1956	Condo crim uploader.exe	35
PID 1956 wrote to memory of 2552	1956	Condo crim uploader.exe	35
PID 1956 wrote to memory of 2552	1956	Condo crim uploader.exe	35
PID 1956 wrote to memory of 2516	1956	Condo crim uploader.exe	37
PID 1956 wrote to memory of 2516	1956	Condo crim uploader.exe	37
PID 1956 wrote to memory of 2516	1956	Condo crim uploader.exe	37
PID 1956 wrote to memory of 2044	1956	Condo crim uploader.exe	39
PID 1956 wrote to memory of 2044	1956	Condo crim uploader.exe	39
PID 1956 wrote to memory of 2044	1956	Condo crim uploader.exe	39
PID 1956 wrote to memory of 1988	1956	Condo crim uploader.exe	41
PID 1956 wrote to memory of 1988	1956	Condo crim uploader.exe	41
PID 1956 wrote to memory of 1988	1956	Condo crim uploader.exe	41
PID 1956 wrote to memory of 324	1956	Condo crim uploader.exe	43
PID 1956 wrote to memory of 324	1956	Condo crim uploader.exe	43
PID 1956 wrote to memory of 324	1956	Condo crim uploader.exe	43
PID 1956 wrote to memory of 1756	1956	Condo crim uploader.exe	45
PID 1956 wrote to memory of 1756	1956	Condo crim uploader.exe	45
PID 1956 wrote to memory of 1756	1956	Condo crim uploader.exe	45
PID 1956 wrote to memory of 1924	1956	Condo crim uploader.exe	47
PID 1956 wrote to memory of 1924	1956	Condo crim uploader.exe	47
PID 1956 wrote to memory of 1924	1956	Condo crim uploader.exe	47
PID 1956 wrote to memory of 836	1956	Condo crim uploader.exe	49
PID 1956 wrote to memory of 836	1956	Condo crim uploader.exe	49
PID 1956 wrote to memory of 836	1956	Condo crim uploader.exe	49
PID 1956 wrote to memory of 2172	1956	Condo crim uploader.exe	51
PID 1956 wrote to memory of 2172	1956	Condo crim uploader.exe	51
PID 1956 wrote to memory of 2172	1956	Condo crim uploader.exe	51
PID 1956 wrote to memory of 2184	1956	Condo crim uploader.exe	53
PID 1956 wrote to memory of 2184	1956	Condo crim uploader.exe	53
PID 1956 wrote to memory of 2184	1956	Condo crim uploader.exe	53
PID 2184 wrote to memory of 2784	2184	cmd.exe	55
PID 2184 wrote to memory of 2784	2184	cmd.exe	55
PID 2184 wrote to memory of 2784	2184	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2964	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Condo crim uploader.exe
"C:\Users\Admin\AppData\Local\Temp\Condo crim uploader.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Condo crim uploader.exe"
  2⤵
  - Views/modifies file attributes
  PID:2964
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Condo crim uploader.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2552
- 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:2516
- 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:2044
- 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:1988
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:324
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1756
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1924
- 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:836
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2172
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Condo crim uploader.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2784

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
6ccd48140d5897713485b4677c2fdba1

SHA1
af4a3f738cda2d5e6d48c729709f34a21a3347d2

SHA256
cb94ea185210b48e7158af2c275180eacbdf94e6fac8286402d3112690224ea3

SHA512
981cb556dec98af81469ec56d435a86c3a0f3c69efb3876e19885485a55d66c5b2431ae9f3b2ed993df2eb4aa42aa701f39c782c3972658f1984b87b19a235a7

Download Submit
memory/836-43-0x000000001B5B0000-0x000000001B892000-memory.dmp

Filesize
2.9MB

Download
memory/836-44-0x0000000001F80000-0x0000000001F88000-memory.dmp

Filesize
32KB

Download
memory/1956-0-0x000007FEF5E73000-0x000007FEF5E74000-memory.dmp

Filesize
4KB

Download
memory/1956-1-0x00000000002B0000-0x00000000002F0000-memory.dmp

Filesize
256KB

Download
memory/1956-2-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download
memory/1956-48-0x000007FEF5E70000-0x000007FEF685C000-memory.dmp

Filesize
9.9MB

Download
memory/2516-14-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/2516-15-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download
memory/2552-7-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download
memory/2552-8-0x0000000002000000-0x0000000002008000-memory.dmp

Filesize
32KB

Download