umbral | 1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 22:53

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General

Target

1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe
Size

357KB
MD5

a710588ee1e23934331a582c95feb624
SHA1

2201b586e9f124680b0aac1d36e25f55d4ddc9e2
SHA256

1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3
SHA512

48afa80587490b70b1c744e76a0513700f5fa5adc70368be3bd0f3deb519087c961fadcf75dbbdb85c3d423bdadc4dd4807fdc5cf7a582828be5041529f0d3b0
SSDEEP

6144:e+BI+HMbm5wk3F2jac8/3rzFW6QWP1zJG1S6+hnvgstJo:eAI8MboQaJ/bzFpGQ6+

Score

10^/10

umbral xworm credential_access execution persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

times-cingular.gl.at.ply.gg:34763

Attributes

Install_directory
%AppData%
install_file
cvchost.exe

Extracted

Family

umbral

https://ptb.discord.com/api/webhooks/1280534631719899197/_7_ESHHAWN6Qwt0AhmjGDQjpogj1YTyUsp04Llns_zEZS2n4Urjnv2EJPdmMICGTMI2B

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0010000000016ff2-10.dat	family_umbral
behavioral1/memory/2712-12-0x00000000010C0000-0x0000000001100000-memory.dmp	family_umbral

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0025000000016fea-4.dat	family_xworm
behavioral1/memory/2808-14-0x0000000000330000-0x0000000000346000-memory.dmp	family_xworm

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
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 8 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2628	powershell.exe
3028	powershell.exe
2116	powershell.exe
2100	powershell.exe
2872	powershell.exe
2260	powershell.exe
2964	powershell.exe
1316	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
2808	MincedPon 2.3.exe
2712	MincedPon.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\cvchost = "C:\\Users\\Admin\\AppData\\Roaming\\cvchost.exe"	MincedPon 2.3.exe

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2472	wmic.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2628	powershell.exe
3028	powershell.exe
2116	powershell.exe
2100	powershell.exe
2872	powershell.exe
2964	powershell.exe
1316	powershell.exe
2936	powershell.exe
2260	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	MincedPon 2.3.exe
Token: SeDebugPrivilege	2712	MincedPon.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	3028	powershell.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	2872	powershell.exe
Token: SeDebugPrivilege	2964	powershell.exe
Token: SeDebugPrivilege	2808	MincedPon 2.3.exe
Token: SeDebugPrivilege	1316	powershell.exe
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeIncreaseQuotaPrivilege	780	wmic.exe
Token: SeSecurityPrivilege	780	wmic.exe
Token: SeTakeOwnershipPrivilege	780	wmic.exe
Token: SeLoadDriverPrivilege	780	wmic.exe
Token: SeSystemProfilePrivilege	780	wmic.exe
Token: SeSystemtimePrivilege	780	wmic.exe
Token: SeProfSingleProcessPrivilege	780	wmic.exe
Token: SeIncBasePriorityPrivilege	780	wmic.exe
Token: SeCreatePagefilePrivilege	780	wmic.exe
Token: SeBackupPrivilege	780	wmic.exe
Token: SeRestorePrivilege	780	wmic.exe
Token: SeShutdownPrivilege	780	wmic.exe
Token: SeDebugPrivilege	780	wmic.exe
Token: SeSystemEnvironmentPrivilege	780	wmic.exe
Token: SeRemoteShutdownPrivilege	780	wmic.exe
Token: SeUndockPrivilege	780	wmic.exe
Token: SeManageVolumePrivilege	780	wmic.exe
Token: 33	780	wmic.exe
Token: 34	780	wmic.exe
Token: 35	780	wmic.exe
Token: SeIncreaseQuotaPrivilege	780	wmic.exe
Token: SeSecurityPrivilege	780	wmic.exe
Token: SeTakeOwnershipPrivilege	780	wmic.exe
Token: SeLoadDriverPrivilege	780	wmic.exe
Token: SeSystemProfilePrivilege	780	wmic.exe
Token: SeSystemtimePrivilege	780	wmic.exe
Token: SeProfSingleProcessPrivilege	780	wmic.exe
Token: SeIncBasePriorityPrivilege	780	wmic.exe
Token: SeCreatePagefilePrivilege	780	wmic.exe
Token: SeBackupPrivilege	780	wmic.exe
Token: SeRestorePrivilege	780	wmic.exe
Token: SeShutdownPrivilege	780	wmic.exe
Token: SeDebugPrivilege	780	wmic.exe
Token: SeSystemEnvironmentPrivilege	780	wmic.exe
Token: SeRemoteShutdownPrivilege	780	wmic.exe
Token: SeUndockPrivilege	780	wmic.exe
Token: SeManageVolumePrivilege	780	wmic.exe
Token: 33	780	wmic.exe
Token: 34	780	wmic.exe
Token: 35	780	wmic.exe
Token: SeIncreaseQuotaPrivilege	1644	wmic.exe
Token: SeSecurityPrivilege	1644	wmic.exe
Token: SeTakeOwnershipPrivilege	1644	wmic.exe
Token: SeLoadDriverPrivilege	1644	wmic.exe
Token: SeSystemProfilePrivilege	1644	wmic.exe
Token: SeSystemtimePrivilege	1644	wmic.exe
Token: SeProfSingleProcessPrivilege	1644	wmic.exe
Token: SeIncBasePriorityPrivilege	1644	wmic.exe
Token: SeCreatePagefilePrivilege	1644	wmic.exe
Token: SeBackupPrivilege	1644	wmic.exe
Token: SeRestorePrivilege	1644	wmic.exe
Token: SeShutdownPrivilege	1644	wmic.exe
Token: SeDebugPrivilege	1644	wmic.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2808	2140	1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe	30
PID 2140 wrote to memory of 2808	2140	1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe	30
PID 2140 wrote to memory of 2808	2140	1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe	30
PID 2140 wrote to memory of 2712	2140	1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe	31
PID 2140 wrote to memory of 2712	2140	1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe	31
PID 2140 wrote to memory of 2712	2140	1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe	31
PID 2808 wrote to memory of 2628	2808	MincedPon 2.3.exe	32
PID 2808 wrote to memory of 2628	2808	MincedPon 2.3.exe	32
PID 2808 wrote to memory of 2628	2808	MincedPon 2.3.exe	32
PID 2808 wrote to memory of 3028	2808	MincedPon 2.3.exe	34
PID 2808 wrote to memory of 3028	2808	MincedPon 2.3.exe	34
PID 2808 wrote to memory of 3028	2808	MincedPon 2.3.exe	34
PID 2808 wrote to memory of 2116	2808	MincedPon 2.3.exe	36
PID 2808 wrote to memory of 2116	2808	MincedPon 2.3.exe	36
PID 2808 wrote to memory of 2116	2808	MincedPon 2.3.exe	36
PID 2712 wrote to memory of 2100	2712	MincedPon.exe	38
PID 2712 wrote to memory of 2100	2712	MincedPon.exe	38
PID 2712 wrote to memory of 2100	2712	MincedPon.exe	38
PID 2808 wrote to memory of 2872	2808	MincedPon 2.3.exe	40
PID 2808 wrote to memory of 2872	2808	MincedPon 2.3.exe	40
PID 2808 wrote to memory of 2872	2808	MincedPon 2.3.exe	40
PID 2712 wrote to memory of 2964	2712	MincedPon.exe	42
PID 2712 wrote to memory of 2964	2712	MincedPon.exe	42
PID 2712 wrote to memory of 2964	2712	MincedPon.exe	42
PID 2712 wrote to memory of 1316	2712	MincedPon.exe	44
PID 2712 wrote to memory of 1316	2712	MincedPon.exe	44
PID 2712 wrote to memory of 1316	2712	MincedPon.exe	44
PID 2712 wrote to memory of 2936	2712	MincedPon.exe	46
PID 2712 wrote to memory of 2936	2712	MincedPon.exe	46
PID 2712 wrote to memory of 2936	2712	MincedPon.exe	46
PID 2712 wrote to memory of 780	2712	MincedPon.exe	48
PID 2712 wrote to memory of 780	2712	MincedPon.exe	48
PID 2712 wrote to memory of 780	2712	MincedPon.exe	48
PID 2712 wrote to memory of 1644	2712	MincedPon.exe	51
PID 2712 wrote to memory of 1644	2712	MincedPon.exe	51
PID 2712 wrote to memory of 1644	2712	MincedPon.exe	51
PID 2712 wrote to memory of 1284	2712	MincedPon.exe	53
PID 2712 wrote to memory of 1284	2712	MincedPon.exe	53
PID 2712 wrote to memory of 1284	2712	MincedPon.exe	53
PID 2712 wrote to memory of 2260	2712	MincedPon.exe	55
PID 2712 wrote to memory of 2260	2712	MincedPon.exe	55
PID 2712 wrote to memory of 2260	2712	MincedPon.exe	55
PID 2712 wrote to memory of 2472	2712	MincedPon.exe	57
PID 2712 wrote to memory of 2472	2712	MincedPon.exe	57
PID 2712 wrote to memory of 2472	2712	MincedPon.exe	57

C:\Users\Admin\AppData\Local\Temp\1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe
"C:\Users\Admin\AppData\Local\Temp\1ca1a71f457d22db79dd70bc2e89042480791cc90e944f12c6c909b11d0c47d3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\MincedPon 2.3.exe
  "C:\Users\Admin\AppData\Local\Temp\MincedPon 2.3.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\MincedPon 2.3.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MincedPon 2.3.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3028
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\cvchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2116
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'cvchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2872
- C:\Users\Admin\AppData\Local\Temp\MincedPon.exe
  "C:\Users\Admin\AppData\Local\Temp\MincedPon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\MincedPon.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2100
- - 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
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2964
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1316
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2936
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:780
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" computersystem get totalphysicalmemory
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1644
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    PID:1284
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:2260
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic" path win32_VideoController get name
    3⤵
    - Detects videocard installed
    PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MincedPon 2.3.exe

Filesize
63KB

MD5
aa19ff49e3ccdcb59051ec8282d22fb6

SHA1
96befbcf0769b42e486956260a76423941bd3cbb

SHA256
5746b78a291e9a9a28e37debb19ade8d5262c651cddc3b218d9aa6b57bf8cf48

SHA512
4b0d39fa6f1c3f2bfabd81171c908e5920a260cc60284acfb58daa47b8aa96745837ebe8d496ba32087ac39cdcc8d82a0368acf93638ba9eb9a38304cad10cb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\MincedPon.exe

Filesize
229KB

MD5
e611fc181db4d5a238907a34ec296e2a

SHA1
91cd54dcf69c39fde93b6967a3be52c75953583d

SHA256
1ff7775f1b00fbe5d8b0500094ed64201a8404719ed3fc975b9545b37450b141

SHA512
d928f494d0431689d409474584299bded23ff91580dd9f2e78fedb3ecd6b3d33b93a1cf2d82e02eae5ea367f06852db8942cd2166c843a609e372ba73aafa024

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

Filesize
7KB

MD5
c153dbd37a84d6b3d23d04c681638333

SHA1
a97ef569eee26c03294886b314437131d5069d8b

SHA256
28e0b7d460dde77832f68ea99be96db88b778ac206e48fd3ef33e6b60b45d300

SHA512
0db4fc431e85a564d7307e7b4f83f780defa0c8bbcb465900f664cff9dcc411afd67546d6ce31903fb43bb9d2bf5a275ea068cee93cc1927b627d97a8770b942

Download Submit
memory/2140-16-0x000007FEF4F00000-0x000007FEF58EC000-memory.dmp

Filesize
9.9MB

Download
memory/2140-13-0x000007FEF4F00000-0x000007FEF58EC000-memory.dmp

Filesize
9.9MB

Download
memory/2140-1-0x0000000001160000-0x00000000011C0000-memory.dmp

Filesize
384KB

Download
memory/2140-0-0x000007FEF4F03000-0x000007FEF4F04000-memory.dmp

Filesize
4KB

Download
memory/2260-78-0x0000000001FD0000-0x0000000001FD8000-memory.dmp

Filesize
32KB

Download
memory/2628-21-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download
memory/2628-22-0x0000000002030000-0x0000000002038000-memory.dmp

Filesize
32KB

Download
memory/2712-12-0x00000000010C0000-0x0000000001100000-memory.dmp

Filesize
256KB

Download
memory/2808-14-0x0000000000330000-0x0000000000346000-memory.dmp

Filesize
88KB

Download
memory/2808-15-0x000007FEF4F00000-0x000007FEF58EC000-memory.dmp

Filesize
9.9MB

Download
memory/2808-69-0x000007FEF4F00000-0x000007FEF58EC000-memory.dmp

Filesize
9.9MB

Download
memory/2872-45-0x0000000002410000-0x0000000002418000-memory.dmp

Filesize
32KB

Download
memory/3028-28-0x000000001B420000-0x000000001B702000-memory.dmp

Filesize
2.9MB

Download
memory/3028-29-0x0000000001EB0000-0x0000000001EB8000-memory.dmp

Filesize
32KB

Download