umbral | 2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0a

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 23:15

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General

Target

2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe
Size

257KB
MD5

48eccdf62898683d91626bc9ec21c8b0
SHA1

05b3f36379d25e8ab6748c57237e950b8ce06b21
SHA256

2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0a
SHA512

ad824674cfabc773d8d50088bc0b01016a6238765079a6e41752b5440c8024aedba0a45242de5969b28b27831a618bc17010f7001cb02e1786461a4b46344285
SSDEEP

6144:floZM+rIkd8g+EtXHkv/iD4u76SecjfUx1gevPehab8e1mZRXLijK7s:doZtL+EP8u76SecjfUx1gevPeIqRWjK

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/3824-1-0x000002BBE23E0000-0x000002BBE2426000-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

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5060	powershell.exe
4092	powershell.exe
2196	powershell.exe
184	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.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
8	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
836	cmd.exe
4332	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3884	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4332	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe
184	powershell.exe
184	powershell.exe
5060	powershell.exe
5060	powershell.exe
4092	powershell.exe
4092	powershell.exe
4252	powershell.exe
4252	powershell.exe
2196	powershell.exe
2196	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe
Token: SeIncreaseQuotaPrivilege	2652	wmic.exe
Token: SeSecurityPrivilege	2652	wmic.exe
Token: SeTakeOwnershipPrivilege	2652	wmic.exe
Token: SeLoadDriverPrivilege	2652	wmic.exe
Token: SeSystemProfilePrivilege	2652	wmic.exe
Token: SeSystemtimePrivilege	2652	wmic.exe
Token: SeProfSingleProcessPrivilege	2652	wmic.exe
Token: SeIncBasePriorityPrivilege	2652	wmic.exe
Token: SeCreatePagefilePrivilege	2652	wmic.exe
Token: SeBackupPrivilege	2652	wmic.exe
Token: SeRestorePrivilege	2652	wmic.exe
Token: SeShutdownPrivilege	2652	wmic.exe
Token: SeDebugPrivilege	2652	wmic.exe
Token: SeSystemEnvironmentPrivilege	2652	wmic.exe
Token: SeRemoteShutdownPrivilege	2652	wmic.exe
Token: SeUndockPrivilege	2652	wmic.exe
Token: SeManageVolumePrivilege	2652	wmic.exe
Token: 33	2652	wmic.exe
Token: 34	2652	wmic.exe
Token: 35	2652	wmic.exe
Token: 36	2652	wmic.exe
Token: SeIncreaseQuotaPrivilege	2652	wmic.exe
Token: SeSecurityPrivilege	2652	wmic.exe
Token: SeTakeOwnershipPrivilege	2652	wmic.exe
Token: SeLoadDriverPrivilege	2652	wmic.exe
Token: SeSystemProfilePrivilege	2652	wmic.exe
Token: SeSystemtimePrivilege	2652	wmic.exe
Token: SeProfSingleProcessPrivilege	2652	wmic.exe
Token: SeIncBasePriorityPrivilege	2652	wmic.exe
Token: SeCreatePagefilePrivilege	2652	wmic.exe
Token: SeBackupPrivilege	2652	wmic.exe
Token: SeRestorePrivilege	2652	wmic.exe
Token: SeShutdownPrivilege	2652	wmic.exe
Token: SeDebugPrivilege	2652	wmic.exe
Token: SeSystemEnvironmentPrivilege	2652	wmic.exe
Token: SeRemoteShutdownPrivilege	2652	wmic.exe
Token: SeUndockPrivilege	2652	wmic.exe
Token: SeManageVolumePrivilege	2652	wmic.exe
Token: 33	2652	wmic.exe
Token: 34	2652	wmic.exe
Token: 35	2652	wmic.exe
Token: 36	2652	wmic.exe
Token: SeDebugPrivilege	184	powershell.exe
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeDebugPrivilege	4092	powershell.exe
Token: SeDebugPrivilege	4252	powershell.exe
Token: SeIncreaseQuotaPrivilege	2624	wmic.exe
Token: SeSecurityPrivilege	2624	wmic.exe
Token: SeTakeOwnershipPrivilege	2624	wmic.exe
Token: SeLoadDriverPrivilege	2624	wmic.exe
Token: SeSystemProfilePrivilege	2624	wmic.exe
Token: SeSystemtimePrivilege	2624	wmic.exe
Token: SeProfSingleProcessPrivilege	2624	wmic.exe
Token: SeIncBasePriorityPrivilege	2624	wmic.exe
Token: SeCreatePagefilePrivilege	2624	wmic.exe
Token: SeBackupPrivilege	2624	wmic.exe
Token: SeRestorePrivilege	2624	wmic.exe
Token: SeShutdownPrivilege	2624	wmic.exe
Token: SeDebugPrivilege	2624	wmic.exe
Token: SeSystemEnvironmentPrivilege	2624	wmic.exe
Token: SeRemoteShutdownPrivilege	2624	wmic.exe
Token: SeUndockPrivilege	2624	wmic.exe
Token: SeManageVolumePrivilege	2624	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 2652	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	83
PID 3824 wrote to memory of 2652	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	83
PID 3824 wrote to memory of 1224	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	86
PID 3824 wrote to memory of 1224	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	86
PID 3824 wrote to memory of 184	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	88
PID 3824 wrote to memory of 184	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	88
PID 3824 wrote to memory of 5060	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	90
PID 3824 wrote to memory of 5060	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	90
PID 3824 wrote to memory of 4092	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	92
PID 3824 wrote to memory of 4092	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	92
PID 3824 wrote to memory of 4252	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	94
PID 3824 wrote to memory of 4252	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	94
PID 3824 wrote to memory of 2624	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	96
PID 3824 wrote to memory of 2624	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	96
PID 3824 wrote to memory of 4848	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	98
PID 3824 wrote to memory of 4848	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	98
PID 3824 wrote to memory of 1508	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	101
PID 3824 wrote to memory of 1508	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	101
PID 3824 wrote to memory of 2196	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	103
PID 3824 wrote to memory of 2196	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	103
PID 3824 wrote to memory of 3884	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	105
PID 3824 wrote to memory of 3884	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	105
PID 3824 wrote to memory of 836	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	107
PID 3824 wrote to memory of 836	3824	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	107
PID 836 wrote to memory of 4332	836	cmd.exe	109
PID 836 wrote to memory of 4332	836	cmd.exe	109

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1224	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe
"C:\Users\Admin\AppData\Local\Temp\2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2652
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe"
  2⤵
  - Views/modifies file attributes
  PID:1224
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:184
- 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:5060
- 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:4092
- 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:4252
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4848
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1508
- 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:2196
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3884
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4332

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

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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
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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

Filesize
948B

MD5
28ef595a6cc9f47b8eccb22d4ed50d6c

SHA1
4335de707324b15eba79017938c3da2752d3eea5

SHA256
3abd14d4fe7b5697b2fa84993e7183f4fd2580be5b4e5150da15ddda5a9560b9

SHA512
687b7849faa62a4dabc240b573afa163f0cda9a80be61cebe28ef1461777744d73b465ac92d065093228068540846e79c899445057f5b906f9b9fa9868132208

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

Filesize
1KB

MD5
227556da5e65f6819f477756808c17e4

SHA1
6ffce766e881ca2a60180bb25f4981b183f78279

SHA256
101f5fe8a4192f14e9f0a12c105ca81c9f176860930af44747185dd1bedb59a4

SHA512
d46b935809d2c4b7a041ad790f2db11c0a808df022c91ae9152b8769021b884fde49653a7a46557ef9ee65e274fe0b6c8503df9b50e6b3b849fefacf51f8bd6a

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

Filesize
1KB

MD5
24fdf77ade79ee785f0d9f33298843b5

SHA1
aeed1be8325820f196816b73a1305e20294e4ef0

SHA256
eed92fc7f6c9f9f65adbb55563fac59b68dc7c70fcf3494b4c8c2ac6caf00795

SHA512
67a35d546bf8886b5cca49522b55c1be84721a180a1969f98b93f0a184a8efa18f195ec2d975f3cc75e35c43ab7cc22118ae7a64357e7fe3aa34b7f54cdfb63e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ocq5f123.lzj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/184-4-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp

Filesize
10.8MB

Download
memory/184-17-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp

Filesize
10.8MB

Download
memory/184-5-0x0000020562150000-0x0000020562172000-memory.dmp

Filesize
136KB

Download
memory/184-3-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp

Filesize
10.8MB

Download
memory/3824-1-0x000002BBE23E0000-0x000002BBE2426000-memory.dmp

Filesize
280KB

Download
memory/3824-32-0x000002BBFCB30000-0x000002BBFCBA6000-memory.dmp

Filesize
472KB

Download
memory/3824-33-0x000002BBFCBB0000-0x000002BBFCC00000-memory.dmp

Filesize
320KB

Download
memory/3824-34-0x000002BBFC860000-0x000002BBFC87E000-memory.dmp

Filesize
120KB

Download
memory/3824-2-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp

Filesize
10.8MB

Download
memory/3824-71-0x000002BBFC890000-0x000002BBFC89A000-memory.dmp

Filesize
40KB

Download
memory/3824-72-0x000002BBFC8C0000-0x000002BBFC8D2000-memory.dmp

Filesize
72KB

Download
memory/3824-0-0x00007FFFA5FC3000-0x00007FFFA5FC5000-memory.dmp

Filesize
8KB

Download
memory/3824-92-0x00007FFFA5FC0000-0x00007FFFA6A81000-memory.dmp

Filesize
10.8MB

Download