umbral | 8c489447851c7499b4ed710559c74ec6c61978ee5c2d9303d353fd8d50dad035

Analysis

max time kernel
92s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 06:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Netflix Checker/Data/Modules/Netflix1.exe
Size

231KB
MD5

4d4914b127f4375b0c4ad1dd5dd99ff8
SHA1

153db21998c76d76c1f5d5f52f1f8f55b8f0b3ea
SHA256

f5ac145bb4853a5801cd13fb2f447384bd83f15b78494c025b4114386c2bf14d
SHA512

99a3860b040099077ad633bacc8115402ef36a737d2fa1c524b20b67651f0a5a0d4cb84f9cb3a35795196a1a78d3801b10f43abefe4810718e7077304e31cc42
SSDEEP

6144:xloZM+rIkd8g+EtXHkv/iD4nwkVpkqNlOjLWU1pANgI8e1mKhi:DoZtL+EP8nwkVpkqNlOjLWU1pAfA

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral12/memory/1316-1-0x000002B051530000-0x000002B051570000-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
5028	powershell.exe
5004	powershell.exe
2524	powershell.exe
2096	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	Netflix1.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
22	discord.com
23	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
10	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
4412	cmd.exe
2164	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
208	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2164	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1316	Netflix1.exe
5028	powershell.exe
5028	powershell.exe
5004	powershell.exe
5004	powershell.exe
2524	powershell.exe
2524	powershell.exe
1172	powershell.exe
1172	powershell.exe
2096	powershell.exe
2096	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1316	Netflix1.exe
Token: SeIncreaseQuotaPrivilege	3596	wmic.exe
Token: SeSecurityPrivilege	3596	wmic.exe
Token: SeTakeOwnershipPrivilege	3596	wmic.exe
Token: SeLoadDriverPrivilege	3596	wmic.exe
Token: SeSystemProfilePrivilege	3596	wmic.exe
Token: SeSystemtimePrivilege	3596	wmic.exe
Token: SeProfSingleProcessPrivilege	3596	wmic.exe
Token: SeIncBasePriorityPrivilege	3596	wmic.exe
Token: SeCreatePagefilePrivilege	3596	wmic.exe
Token: SeBackupPrivilege	3596	wmic.exe
Token: SeRestorePrivilege	3596	wmic.exe
Token: SeShutdownPrivilege	3596	wmic.exe
Token: SeDebugPrivilege	3596	wmic.exe
Token: SeSystemEnvironmentPrivilege	3596	wmic.exe
Token: SeRemoteShutdownPrivilege	3596	wmic.exe
Token: SeUndockPrivilege	3596	wmic.exe
Token: SeManageVolumePrivilege	3596	wmic.exe
Token: 33	3596	wmic.exe
Token: 34	3596	wmic.exe
Token: 35	3596	wmic.exe
Token: 36	3596	wmic.exe
Token: SeIncreaseQuotaPrivilege	3596	wmic.exe
Token: SeSecurityPrivilege	3596	wmic.exe
Token: SeTakeOwnershipPrivilege	3596	wmic.exe
Token: SeLoadDriverPrivilege	3596	wmic.exe
Token: SeSystemProfilePrivilege	3596	wmic.exe
Token: SeSystemtimePrivilege	3596	wmic.exe
Token: SeProfSingleProcessPrivilege	3596	wmic.exe
Token: SeIncBasePriorityPrivilege	3596	wmic.exe
Token: SeCreatePagefilePrivilege	3596	wmic.exe
Token: SeBackupPrivilege	3596	wmic.exe
Token: SeRestorePrivilege	3596	wmic.exe
Token: SeShutdownPrivilege	3596	wmic.exe
Token: SeDebugPrivilege	3596	wmic.exe
Token: SeSystemEnvironmentPrivilege	3596	wmic.exe
Token: SeRemoteShutdownPrivilege	3596	wmic.exe
Token: SeUndockPrivilege	3596	wmic.exe
Token: SeManageVolumePrivilege	3596	wmic.exe
Token: 33	3596	wmic.exe
Token: 34	3596	wmic.exe
Token: 35	3596	wmic.exe
Token: 36	3596	wmic.exe
Token: SeDebugPrivilege	5028	powershell.exe
Token: SeDebugPrivilege	5004	powershell.exe
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeDebugPrivilege	1172	powershell.exe
Token: SeIncreaseQuotaPrivilege	4668	wmic.exe
Token: SeSecurityPrivilege	4668	wmic.exe
Token: SeTakeOwnershipPrivilege	4668	wmic.exe
Token: SeLoadDriverPrivilege	4668	wmic.exe
Token: SeSystemProfilePrivilege	4668	wmic.exe
Token: SeSystemtimePrivilege	4668	wmic.exe
Token: SeProfSingleProcessPrivilege	4668	wmic.exe
Token: SeIncBasePriorityPrivilege	4668	wmic.exe
Token: SeCreatePagefilePrivilege	4668	wmic.exe
Token: SeBackupPrivilege	4668	wmic.exe
Token: SeRestorePrivilege	4668	wmic.exe
Token: SeShutdownPrivilege	4668	wmic.exe
Token: SeDebugPrivilege	4668	wmic.exe
Token: SeSystemEnvironmentPrivilege	4668	wmic.exe
Token: SeRemoteShutdownPrivilege	4668	wmic.exe
Token: SeUndockPrivilege	4668	wmic.exe
Token: SeManageVolumePrivilege	4668	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 3596	1316	Netflix1.exe	83
PID 1316 wrote to memory of 3596	1316	Netflix1.exe	83
PID 1316 wrote to memory of 1420	1316	Netflix1.exe	86
PID 1316 wrote to memory of 1420	1316	Netflix1.exe	86
PID 1316 wrote to memory of 5028	1316	Netflix1.exe	88
PID 1316 wrote to memory of 5028	1316	Netflix1.exe	88
PID 1316 wrote to memory of 5004	1316	Netflix1.exe	90
PID 1316 wrote to memory of 5004	1316	Netflix1.exe	90
PID 1316 wrote to memory of 2524	1316	Netflix1.exe	92
PID 1316 wrote to memory of 2524	1316	Netflix1.exe	92
PID 1316 wrote to memory of 1172	1316	Netflix1.exe	94
PID 1316 wrote to memory of 1172	1316	Netflix1.exe	94
PID 1316 wrote to memory of 4668	1316	Netflix1.exe	99
PID 1316 wrote to memory of 4668	1316	Netflix1.exe	99
PID 1316 wrote to memory of 2328	1316	Netflix1.exe	103
PID 1316 wrote to memory of 2328	1316	Netflix1.exe	103
PID 1316 wrote to memory of 3608	1316	Netflix1.exe	105
PID 1316 wrote to memory of 3608	1316	Netflix1.exe	105
PID 1316 wrote to memory of 2096	1316	Netflix1.exe	107
PID 1316 wrote to memory of 2096	1316	Netflix1.exe	107
PID 1316 wrote to memory of 208	1316	Netflix1.exe	109
PID 1316 wrote to memory of 208	1316	Netflix1.exe	109
PID 1316 wrote to memory of 4412	1316	Netflix1.exe	113
PID 1316 wrote to memory of 4412	1316	Netflix1.exe	113
PID 4412 wrote to memory of 2164	4412	cmd.exe	115
PID 4412 wrote to memory of 2164	4412	cmd.exe	115

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1420	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Netflix Checker\Data\Modules\Netflix1.exe
"C:\Users\Admin\AppData\Local\Temp\Netflix Checker\Data\Modules\Netflix1.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3596
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Netflix Checker\Data\Modules\Netflix1.exe"
  2⤵
  - Views/modifies file attributes
  PID:1420
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Netflix Checker\Data\Modules\Netflix1.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5028
- 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:5004
- 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:2524
- 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:1172
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4668
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2328
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3608
- 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:2096
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:208
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Netflix Checker\Data\Modules\Netflix1.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4412
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2164

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\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
88be3bc8a7f90e3953298c0fdbec4d72

SHA1
f4969784ad421cc80ef45608727aacd0f6bf2e4b

SHA256
533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

SHA512
4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

Filesize
1KB

MD5
b2b03a6b9d403ddede51ba55379a5f90

SHA1
0311db1a17f93c518534fa8f863c09d1158cd984

SHA256
cd3987e7d64def995185eb2f5cae079b8475e56d8f1a49927c5ae6df022ce2a4

SHA512
e2b33e9cd31fb7cc8bda11ba1169bb4c2036a2aee67dd8aaad8cf55c1975dc078d406a635746bf43aefabb8fdd100a50f5799647cdae303810ce3708811a471b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qdgt2fuc.cn2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1316-72-0x000002B0532E0000-0x000002B0532EA000-memory.dmp

Filesize
40KB

Download
memory/1316-35-0x000002B06BD70000-0x000002B06BD8E000-memory.dmp

Filesize
120KB

Download
memory/1316-95-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp

Filesize
10.8MB

Download
memory/1316-90-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp

Filesize
10.8MB

Download
memory/1316-2-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp

Filesize
10.8MB

Download
memory/1316-33-0x000002B06BCC0000-0x000002B06BD36000-memory.dmp

Filesize
472KB

Download
memory/1316-34-0x000002B06BC40000-0x000002B06BC90000-memory.dmp

Filesize
320KB

Download
memory/1316-89-0x00007FFF166E3000-0x00007FFF166E5000-memory.dmp

Filesize
8KB

Download
memory/1316-1-0x000002B051530000-0x000002B051570000-memory.dmp

Filesize
256KB

Download
memory/1316-0-0x00007FFF166E3000-0x00007FFF166E5000-memory.dmp

Filesize
8KB

Download
memory/1316-73-0x000002B06BC90000-0x000002B06BCA2000-memory.dmp

Filesize
72KB

Download
memory/5028-4-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp

Filesize
10.8MB

Download
memory/5028-14-0x0000017C4C860000-0x0000017C4C882000-memory.dmp

Filesize
136KB

Download
memory/5028-15-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp

Filesize
10.8MB

Download
memory/5028-3-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp

Filesize
10.8MB

Download
memory/5028-18-0x00007FFF166E0000-0x00007FFF171A1000-memory.dmp

Filesize
10.8MB

Download