umbral | fde03fad4f43274464e140fda3ee3661d2470a88786ba0bf7a2a606f39258a5b

Analysis

max time kernel
34s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 03:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

jhn1u7ntf6.exe
Size

229KB
MD5

b56af795f8b7edc6f35a9e905921ed0e
SHA1

c82cb0088bc9c93fd9a491ad278f410d44265a4d
SHA256

46a67cdc899f61ccb6324d187d56b389f720d72beb02594fd60fdc4a8ca62ab4
SHA512

c35b429e243845337903fa5cc6853c6921514b2fcd84e7788607aa47414be9b2101c8b87acd1766666daa7fc0cdd2b7a5be19ac5754db8f12c3e262ea792f9c6
SSDEEP

6144:dloZM+rIkd8g+EtXHkv/iD4M7+QWRJ6RvSgR1E9/gF8e1mfIi:/oZtL+EP8M7+QWRJ6RvSgR1Ecqx

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/3980-1-0x000001D81E010000-0x000001D81E050000-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
2928	powershell.exe
4840	powershell.exe
624	powershell.exe
4784	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	jhn1u7ntf6.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
21	discord.com
22	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
2244	cmd.exe
4864	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1848	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4864	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3980	jhn1u7ntf6.exe
4784	powershell.exe
4784	powershell.exe
2928	powershell.exe
2928	powershell.exe
4840	powershell.exe
4840	powershell.exe
1756	powershell.exe
1756	powershell.exe
624	powershell.exe
624	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3980	jhn1u7ntf6.exe
Token: SeIncreaseQuotaPrivilege	3464	wmic.exe
Token: SeSecurityPrivilege	3464	wmic.exe
Token: SeTakeOwnershipPrivilege	3464	wmic.exe
Token: SeLoadDriverPrivilege	3464	wmic.exe
Token: SeSystemProfilePrivilege	3464	wmic.exe
Token: SeSystemtimePrivilege	3464	wmic.exe
Token: SeProfSingleProcessPrivilege	3464	wmic.exe
Token: SeIncBasePriorityPrivilege	3464	wmic.exe
Token: SeCreatePagefilePrivilege	3464	wmic.exe
Token: SeBackupPrivilege	3464	wmic.exe
Token: SeRestorePrivilege	3464	wmic.exe
Token: SeShutdownPrivilege	3464	wmic.exe
Token: SeDebugPrivilege	3464	wmic.exe
Token: SeSystemEnvironmentPrivilege	3464	wmic.exe
Token: SeRemoteShutdownPrivilege	3464	wmic.exe
Token: SeUndockPrivilege	3464	wmic.exe
Token: SeManageVolumePrivilege	3464	wmic.exe
Token: 33	3464	wmic.exe
Token: 34	3464	wmic.exe
Token: 35	3464	wmic.exe
Token: 36	3464	wmic.exe
Token: SeIncreaseQuotaPrivilege	3464	wmic.exe
Token: SeSecurityPrivilege	3464	wmic.exe
Token: SeTakeOwnershipPrivilege	3464	wmic.exe
Token: SeLoadDriverPrivilege	3464	wmic.exe
Token: SeSystemProfilePrivilege	3464	wmic.exe
Token: SeSystemtimePrivilege	3464	wmic.exe
Token: SeProfSingleProcessPrivilege	3464	wmic.exe
Token: SeIncBasePriorityPrivilege	3464	wmic.exe
Token: SeCreatePagefilePrivilege	3464	wmic.exe
Token: SeBackupPrivilege	3464	wmic.exe
Token: SeRestorePrivilege	3464	wmic.exe
Token: SeShutdownPrivilege	3464	wmic.exe
Token: SeDebugPrivilege	3464	wmic.exe
Token: SeSystemEnvironmentPrivilege	3464	wmic.exe
Token: SeRemoteShutdownPrivilege	3464	wmic.exe
Token: SeUndockPrivilege	3464	wmic.exe
Token: SeManageVolumePrivilege	3464	wmic.exe
Token: 33	3464	wmic.exe
Token: 34	3464	wmic.exe
Token: 35	3464	wmic.exe
Token: 36	3464	wmic.exe
Token: SeDebugPrivilege	4784	powershell.exe
Token: SeDebugPrivilege	2928	powershell.exe
Token: SeDebugPrivilege	4840	powershell.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeIncreaseQuotaPrivilege	1788	wmic.exe
Token: SeSecurityPrivilege	1788	wmic.exe
Token: SeTakeOwnershipPrivilege	1788	wmic.exe
Token: SeLoadDriverPrivilege	1788	wmic.exe
Token: SeSystemProfilePrivilege	1788	wmic.exe
Token: SeSystemtimePrivilege	1788	wmic.exe
Token: SeProfSingleProcessPrivilege	1788	wmic.exe
Token: SeIncBasePriorityPrivilege	1788	wmic.exe
Token: SeCreatePagefilePrivilege	1788	wmic.exe
Token: SeBackupPrivilege	1788	wmic.exe
Token: SeRestorePrivilege	1788	wmic.exe
Token: SeShutdownPrivilege	1788	wmic.exe
Token: SeDebugPrivilege	1788	wmic.exe
Token: SeSystemEnvironmentPrivilege	1788	wmic.exe
Token: SeRemoteShutdownPrivilege	1788	wmic.exe
Token: SeUndockPrivilege	1788	wmic.exe
Token: SeManageVolumePrivilege	1788	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 3464	3980	jhn1u7ntf6.exe	82
PID 3980 wrote to memory of 3464	3980	jhn1u7ntf6.exe	82
PID 3980 wrote to memory of 740	3980	jhn1u7ntf6.exe	85
PID 3980 wrote to memory of 740	3980	jhn1u7ntf6.exe	85
PID 3980 wrote to memory of 4784	3980	jhn1u7ntf6.exe	87
PID 3980 wrote to memory of 4784	3980	jhn1u7ntf6.exe	87
PID 3980 wrote to memory of 2928	3980	jhn1u7ntf6.exe	89
PID 3980 wrote to memory of 2928	3980	jhn1u7ntf6.exe	89
PID 3980 wrote to memory of 4840	3980	jhn1u7ntf6.exe	91
PID 3980 wrote to memory of 4840	3980	jhn1u7ntf6.exe	91
PID 3980 wrote to memory of 1756	3980	jhn1u7ntf6.exe	93
PID 3980 wrote to memory of 1756	3980	jhn1u7ntf6.exe	93
PID 3980 wrote to memory of 1788	3980	jhn1u7ntf6.exe	95
PID 3980 wrote to memory of 1788	3980	jhn1u7ntf6.exe	95
PID 3980 wrote to memory of 2408	3980	jhn1u7ntf6.exe	97
PID 3980 wrote to memory of 2408	3980	jhn1u7ntf6.exe	97
PID 3980 wrote to memory of 3680	3980	jhn1u7ntf6.exe	99
PID 3980 wrote to memory of 3680	3980	jhn1u7ntf6.exe	99
PID 3980 wrote to memory of 624	3980	jhn1u7ntf6.exe	101
PID 3980 wrote to memory of 624	3980	jhn1u7ntf6.exe	101
PID 3980 wrote to memory of 1848	3980	jhn1u7ntf6.exe	103
PID 3980 wrote to memory of 1848	3980	jhn1u7ntf6.exe	103
PID 3980 wrote to memory of 2244	3980	jhn1u7ntf6.exe	105
PID 3980 wrote to memory of 2244	3980	jhn1u7ntf6.exe	105
PID 2244 wrote to memory of 4864	2244	cmd.exe	107
PID 2244 wrote to memory of 4864	2244	cmd.exe	107

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
740	attrib.exe

C:\Users\Admin\AppData\Local\Temp\jhn1u7ntf6.exe
"C:\Users\Admin\AppData\Local\Temp\jhn1u7ntf6.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3464
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\jhn1u7ntf6.exe"
  2⤵
  - Views/modifies file attributes
  PID:740
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\jhn1u7ntf6.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4784
- 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:2928
- 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:4840
- 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:1756
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1788
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:2408
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3680
- 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:624
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1848
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\jhn1u7ntf6.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4864

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
948B

MD5
395fd142783b67f369d962c71a0af93c

SHA1
a90b3494465e12c3ddc56d5441d8bbfb99c98e6a

SHA256
51f0232ab9862182d286005d7c65033f177288642cbd642790049c50a324b557

SHA512
36dd6bc35ce620e993a69767a1c4daf53a58508a3876150c4bcb85c71a3c914403050ac2435ec35d560944d125abd720aae5e906f9c45f7bf8a7c49f025aa9ce

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
f4813d73bdf80fc7221e5372c0e4cec6

SHA1
59519f15a80286c96fb065c14dda1061989e3c72

SHA256
eeffe52b4dbd6ff4dd47d860e32e00677f7761ea3bc0e132af2a493c7c8c43de

SHA512
ae53d2db45d41a86f701bdd11ebaf0516a7cfd050a1a3d4341d4ba7c111e4993bbe8a4cfa6792746c50b7b140d04484ad1c8f77ab720599843275a89d43a9f88

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fiqo0ii3.afa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3980-72-0x000001D81FCB0000-0x000001D81FCBA000-memory.dmp

Filesize
40KB

Download
memory/3980-35-0x000001D81FCE0000-0x000001D81FCFE000-memory.dmp

Filesize
120KB

Download
memory/3980-93-0x00007FF92BD90000-0x00007FF92C851000-memory.dmp

Filesize
10.8MB

Download
memory/3980-73-0x000001D838620000-0x000001D838632000-memory.dmp

Filesize
72KB

Download
memory/3980-2-0x00007FF92BD90000-0x00007FF92C851000-memory.dmp

Filesize
10.8MB

Download
memory/3980-33-0x000001D8387F0000-0x000001D838866000-memory.dmp

Filesize
472KB

Download
memory/3980-34-0x000001D838770000-0x000001D8387C0000-memory.dmp

Filesize
320KB

Download
memory/3980-0-0x00007FF92BD93000-0x00007FF92BD95000-memory.dmp

Filesize
8KB

Download
memory/3980-1-0x000001D81E010000-0x000001D81E050000-memory.dmp

Filesize
256KB

Download
memory/4784-11-0x00007FF92BD90000-0x00007FF92C851000-memory.dmp

Filesize
10.8MB

Download
memory/4784-4-0x00007FF92BD90000-0x00007FF92C851000-memory.dmp

Filesize
10.8MB

Download
memory/4784-3-0x00007FF92BD90000-0x00007FF92C851000-memory.dmp

Filesize
10.8MB

Download
memory/4784-5-0x000001FBD4570000-0x000001FBD4592000-memory.dmp

Filesize
136KB

Download
memory/4784-18-0x00007FF92BD90000-0x00007FF92C851000-memory.dmp

Filesize
10.8MB

Download