umbral | 6ae34a03b7072f4e54b5f974915bc44c99bc73b743752880973a60202a452334

Resubmissions

01-02-2025 12:54

250201-p46mxavnak 10

01-02-2025 12:53

250201-p4nr4avmgl 10

Analysis

max time kernel
94s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 12:54

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General

Target

Zorara-v2.4.34-x64/ZoraraB.exe
Size

231KB
MD5

320488aae7f6f97979d69c0e8c364f2e
SHA1

c2f7d9466e4c590d63d4ccb2d12bf3b7c8e56a65
SHA256

2b5b5c595e2abb3fd2f95aa17727de6340a3e921b310c7f9499f0fb31375e51e
SHA512

ff76790d552d708bc39859ae1f542de75662857e179acd8fa4d063ca30fb4e22ee3038aa0c543721a5d03b3c96eeda6843c81b05e7ffa65d80470445ba53ad5e
SSDEEP

6144:RloZMLrIkd8g+EtXHkv/iD4NQEmPlO2Z1c1niinVwb8e1mni:joZ0L+EP8NQEmPlO2Z1c1niinKd

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral10/memory/4736-1-0x00000210EF0E0000-0x00000210EF120000-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
3424	powershell.exe
1752	powershell.exe
2128	powershell.exe
3412	powershell.exe

Drops file in Drivers directory 1 IoCs

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
20	discord.com
21	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
9	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2436	wmic.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4736	ZoraraB.exe
3424	powershell.exe
3424	powershell.exe
1752	powershell.exe
1752	powershell.exe
2128	powershell.exe
2128	powershell.exe
3448	powershell.exe
3448	powershell.exe
3412	powershell.exe
3412	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	ZoraraB.exe
Token: SeIncreaseQuotaPrivilege	2180	wmic.exe
Token: SeSecurityPrivilege	2180	wmic.exe
Token: SeTakeOwnershipPrivilege	2180	wmic.exe
Token: SeLoadDriverPrivilege	2180	wmic.exe
Token: SeSystemProfilePrivilege	2180	wmic.exe
Token: SeSystemtimePrivilege	2180	wmic.exe
Token: SeProfSingleProcessPrivilege	2180	wmic.exe
Token: SeIncBasePriorityPrivilege	2180	wmic.exe
Token: SeCreatePagefilePrivilege	2180	wmic.exe
Token: SeBackupPrivilege	2180	wmic.exe
Token: SeRestorePrivilege	2180	wmic.exe
Token: SeShutdownPrivilege	2180	wmic.exe
Token: SeDebugPrivilege	2180	wmic.exe
Token: SeSystemEnvironmentPrivilege	2180	wmic.exe
Token: SeRemoteShutdownPrivilege	2180	wmic.exe
Token: SeUndockPrivilege	2180	wmic.exe
Token: SeManageVolumePrivilege	2180	wmic.exe
Token: 33	2180	wmic.exe
Token: 34	2180	wmic.exe
Token: 35	2180	wmic.exe
Token: 36	2180	wmic.exe
Token: SeIncreaseQuotaPrivilege	2180	wmic.exe
Token: SeSecurityPrivilege	2180	wmic.exe
Token: SeTakeOwnershipPrivilege	2180	wmic.exe
Token: SeLoadDriverPrivilege	2180	wmic.exe
Token: SeSystemProfilePrivilege	2180	wmic.exe
Token: SeSystemtimePrivilege	2180	wmic.exe
Token: SeProfSingleProcessPrivilege	2180	wmic.exe
Token: SeIncBasePriorityPrivilege	2180	wmic.exe
Token: SeCreatePagefilePrivilege	2180	wmic.exe
Token: SeBackupPrivilege	2180	wmic.exe
Token: SeRestorePrivilege	2180	wmic.exe
Token: SeShutdownPrivilege	2180	wmic.exe
Token: SeDebugPrivilege	2180	wmic.exe
Token: SeSystemEnvironmentPrivilege	2180	wmic.exe
Token: SeRemoteShutdownPrivilege	2180	wmic.exe
Token: SeUndockPrivilege	2180	wmic.exe
Token: SeManageVolumePrivilege	2180	wmic.exe
Token: 33	2180	wmic.exe
Token: 34	2180	wmic.exe
Token: 35	2180	wmic.exe
Token: 36	2180	wmic.exe
Token: SeDebugPrivilege	3424	powershell.exe
Token: SeDebugPrivilege	1752	powershell.exe
Token: SeDebugPrivilege	2128	powershell.exe
Token: SeDebugPrivilege	3448	powershell.exe
Token: SeIncreaseQuotaPrivilege	3172	wmic.exe
Token: SeSecurityPrivilege	3172	wmic.exe
Token: SeTakeOwnershipPrivilege	3172	wmic.exe
Token: SeLoadDriverPrivilege	3172	wmic.exe
Token: SeSystemProfilePrivilege	3172	wmic.exe
Token: SeSystemtimePrivilege	3172	wmic.exe
Token: SeProfSingleProcessPrivilege	3172	wmic.exe
Token: SeIncBasePriorityPrivilege	3172	wmic.exe
Token: SeCreatePagefilePrivilege	3172	wmic.exe
Token: SeBackupPrivilege	3172	wmic.exe
Token: SeRestorePrivilege	3172	wmic.exe
Token: SeShutdownPrivilege	3172	wmic.exe
Token: SeDebugPrivilege	3172	wmic.exe
Token: SeSystemEnvironmentPrivilege	3172	wmic.exe
Token: SeRemoteShutdownPrivilege	3172	wmic.exe
Token: SeUndockPrivilege	3172	wmic.exe
Token: SeManageVolumePrivilege	3172	wmic.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 2180	4736	ZoraraB.exe	84
PID 4736 wrote to memory of 2180	4736	ZoraraB.exe	84
PID 4736 wrote to memory of 3424	4736	ZoraraB.exe	87
PID 4736 wrote to memory of 3424	4736	ZoraraB.exe	87
PID 4736 wrote to memory of 1752	4736	ZoraraB.exe	89
PID 4736 wrote to memory of 1752	4736	ZoraraB.exe	89
PID 4736 wrote to memory of 2128	4736	ZoraraB.exe	91
PID 4736 wrote to memory of 2128	4736	ZoraraB.exe	91
PID 4736 wrote to memory of 3448	4736	ZoraraB.exe	93
PID 4736 wrote to memory of 3448	4736	ZoraraB.exe	93
PID 4736 wrote to memory of 3172	4736	ZoraraB.exe	95
PID 4736 wrote to memory of 3172	4736	ZoraraB.exe	95
PID 4736 wrote to memory of 3764	4736	ZoraraB.exe	97
PID 4736 wrote to memory of 3764	4736	ZoraraB.exe	97
PID 4736 wrote to memory of 1220	4736	ZoraraB.exe	99
PID 4736 wrote to memory of 1220	4736	ZoraraB.exe	99
PID 4736 wrote to memory of 3412	4736	ZoraraB.exe	101
PID 4736 wrote to memory of 3412	4736	ZoraraB.exe	101
PID 4736 wrote to memory of 2436	4736	ZoraraB.exe	103
PID 4736 wrote to memory of 2436	4736	ZoraraB.exe	103

C:\Users\Admin\AppData\Local\Temp\Zorara-v2.4.34-x64\ZoraraB.exe
"C:\Users\Admin\AppData\Local\Temp\Zorara-v2.4.34-x64\ZoraraB.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2180
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Zorara-v2.4.34-x64\ZoraraB.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3424
- 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:1752
- 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:2128
- 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:3448
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3172
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:3764
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1220
- 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:3412
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2436

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

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
948B

MD5
c65738617888921a153bd9b1ef516ee7

SHA1
5245e71ea3c181d76320c857b639272ac9e079b1

SHA256
4640ba4001fd16a593315299cbdd4988dc2c7075820687f1018aac40aca95c26

SHA512
2e2a0ebd93f9d8dd07a7599054bce232683e9add9a35e77b584618040bcfd84a42545352519ec4736cc379002210b6f3ed2d905591c6925c0981b0392b495bfa

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
15dd61188e01dff83e0f47d441b21af5

SHA1
e26521b9eb5c21dd9b9bfb69618e7c80e4847bc9

SHA256
2f1d635b20401a13d3e43f797200c4b99d2dadbb1e01e6ab8cc5348783b193c6

SHA512
e40ad249392a90107d5448bee92ef45bf9164c2a106a39d2ea7b93ce22fce72af8a6732bac83fef32fbaefd915d51a0143c3e7409e74b17e0ce063c6d32100ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_os0fqqsd.3m2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3424-13-0x00000250F44A0000-0x00000250F44C2000-memory.dmp

Filesize
136KB

Download
memory/3424-14-0x00007FFF75F60000-0x00007FFF76A21000-memory.dmp

Filesize
10.8MB

Download
memory/3424-15-0x00007FFF75F60000-0x00007FFF76A21000-memory.dmp

Filesize
10.8MB

Download
memory/3424-18-0x00007FFF75F60000-0x00007FFF76A21000-memory.dmp

Filesize
10.8MB

Download
memory/3424-3-0x00007FFF75F60000-0x00007FFF76A21000-memory.dmp

Filesize
10.8MB

Download
memory/4736-34-0x00000210F18C0000-0x00000210F1910000-memory.dmp

Filesize
320KB

Download
memory/4736-33-0x00000210F1840000-0x00000210F18B6000-memory.dmp

Filesize
472KB

Download
memory/4736-35-0x00000210F1930000-0x00000210F194E000-memory.dmp

Filesize
120KB

Download
memory/4736-1-0x00000210EF0E0000-0x00000210EF120000-memory.dmp

Filesize
256KB

Download
memory/4736-0-0x00007FFF75F63000-0x00007FFF75F65000-memory.dmp

Filesize
8KB

Download
memory/4736-71-0x00000210F0EA0000-0x00000210F0EAA000-memory.dmp

Filesize
40KB

Download
memory/4736-72-0x00000210F1950000-0x00000210F1962000-memory.dmp

Filesize
72KB

Download
memory/4736-2-0x00007FFF75F60000-0x00007FFF76A21000-memory.dmp

Filesize
10.8MB

Download
memory/4736-90-0x00007FFF75F60000-0x00007FFF76A21000-memory.dmp

Filesize
10.8MB

Download