umbral | 6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 06:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe
Size

257KB
MD5

c30f9465054f33e6dea1a2ba5cb206e7
SHA1

6c2609663a7aa38f738b0104785ab1ba469af013
SHA256

6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53
SHA512

181eee666cc26508697e50843ccf55e3c46dad0598b1f493d44f1c6dde8ca84df1d77eaecea0f289386a570d49e9aa2c6daa4b3f617659b092912a22adb6dc0d
SSDEEP

6144:floZM+rIkd8g+EtXHkv/iD4u76SecjfUx1gevPehab8e1mZRXLijK7so:doZtL+EP8u76SecjfUx1gevPeIqRWjKL

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/3348-1-0x000001B2D1450000-0x000001B2D1496000-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
4088	powershell.exe
5060	powershell.exe
4980	powershell.exe
1624	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.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
23	discord.com
24	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
2024	cmd.exe
1892	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3600	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1892	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe
1624	powershell.exe
1624	powershell.exe
4088	powershell.exe
4088	powershell.exe
5060	powershell.exe
5060	powershell.exe
4460	powershell.exe
4460	powershell.exe
4980	powershell.exe
4980	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe
Token: SeIncreaseQuotaPrivilege	2256	wmic.exe
Token: SeSecurityPrivilege	2256	wmic.exe
Token: SeTakeOwnershipPrivilege	2256	wmic.exe
Token: SeLoadDriverPrivilege	2256	wmic.exe
Token: SeSystemProfilePrivilege	2256	wmic.exe
Token: SeSystemtimePrivilege	2256	wmic.exe
Token: SeProfSingleProcessPrivilege	2256	wmic.exe
Token: SeIncBasePriorityPrivilege	2256	wmic.exe
Token: SeCreatePagefilePrivilege	2256	wmic.exe
Token: SeBackupPrivilege	2256	wmic.exe
Token: SeRestorePrivilege	2256	wmic.exe
Token: SeShutdownPrivilege	2256	wmic.exe
Token: SeDebugPrivilege	2256	wmic.exe
Token: SeSystemEnvironmentPrivilege	2256	wmic.exe
Token: SeRemoteShutdownPrivilege	2256	wmic.exe
Token: SeUndockPrivilege	2256	wmic.exe
Token: SeManageVolumePrivilege	2256	wmic.exe
Token: 33	2256	wmic.exe
Token: 34	2256	wmic.exe
Token: 35	2256	wmic.exe
Token: 36	2256	wmic.exe
Token: SeIncreaseQuotaPrivilege	2256	wmic.exe
Token: SeSecurityPrivilege	2256	wmic.exe
Token: SeTakeOwnershipPrivilege	2256	wmic.exe
Token: SeLoadDriverPrivilege	2256	wmic.exe
Token: SeSystemProfilePrivilege	2256	wmic.exe
Token: SeSystemtimePrivilege	2256	wmic.exe
Token: SeProfSingleProcessPrivilege	2256	wmic.exe
Token: SeIncBasePriorityPrivilege	2256	wmic.exe
Token: SeCreatePagefilePrivilege	2256	wmic.exe
Token: SeBackupPrivilege	2256	wmic.exe
Token: SeRestorePrivilege	2256	wmic.exe
Token: SeShutdownPrivilege	2256	wmic.exe
Token: SeDebugPrivilege	2256	wmic.exe
Token: SeSystemEnvironmentPrivilege	2256	wmic.exe
Token: SeRemoteShutdownPrivilege	2256	wmic.exe
Token: SeUndockPrivilege	2256	wmic.exe
Token: SeManageVolumePrivilege	2256	wmic.exe
Token: 33	2256	wmic.exe
Token: 34	2256	wmic.exe
Token: 35	2256	wmic.exe
Token: 36	2256	wmic.exe
Token: SeDebugPrivilege	1624	powershell.exe
Token: SeDebugPrivilege	4088	powershell.exe
Token: SeDebugPrivilege	5060	powershell.exe
Token: SeDebugPrivilege	4460	powershell.exe
Token: SeIncreaseQuotaPrivilege	1184	wmic.exe
Token: SeSecurityPrivilege	1184	wmic.exe
Token: SeTakeOwnershipPrivilege	1184	wmic.exe
Token: SeLoadDriverPrivilege	1184	wmic.exe
Token: SeSystemProfilePrivilege	1184	wmic.exe
Token: SeSystemtimePrivilege	1184	wmic.exe
Token: SeProfSingleProcessPrivilege	1184	wmic.exe
Token: SeIncBasePriorityPrivilege	1184	wmic.exe
Token: SeCreatePagefilePrivilege	1184	wmic.exe
Token: SeBackupPrivilege	1184	wmic.exe
Token: SeRestorePrivilege	1184	wmic.exe
Token: SeShutdownPrivilege	1184	wmic.exe
Token: SeDebugPrivilege	1184	wmic.exe
Token: SeSystemEnvironmentPrivilege	1184	wmic.exe
Token: SeRemoteShutdownPrivilege	1184	wmic.exe
Token: SeUndockPrivilege	1184	wmic.exe
Token: SeManageVolumePrivilege	1184	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3348 wrote to memory of 2256	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	84
PID 3348 wrote to memory of 2256	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	84
PID 3348 wrote to memory of 2392	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	87
PID 3348 wrote to memory of 2392	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	87
PID 3348 wrote to memory of 1624	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	89
PID 3348 wrote to memory of 1624	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	89
PID 3348 wrote to memory of 4088	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	91
PID 3348 wrote to memory of 4088	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	91
PID 3348 wrote to memory of 5060	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	93
PID 3348 wrote to memory of 5060	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	93
PID 3348 wrote to memory of 4460	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	95
PID 3348 wrote to memory of 4460	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	95
PID 3348 wrote to memory of 1184	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	98
PID 3348 wrote to memory of 1184	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	98
PID 3348 wrote to memory of 4476	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	100
PID 3348 wrote to memory of 4476	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	100
PID 3348 wrote to memory of 940	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	102
PID 3348 wrote to memory of 940	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	102
PID 3348 wrote to memory of 4980	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	104
PID 3348 wrote to memory of 4980	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	104
PID 3348 wrote to memory of 3600	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	106
PID 3348 wrote to memory of 3600	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	106
PID 3348 wrote to memory of 2024	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	110
PID 3348 wrote to memory of 2024	3348	6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe	110
PID 2024 wrote to memory of 1892	2024	cmd.exe	112
PID 2024 wrote to memory of 1892	2024	cmd.exe	112

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2392	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe
"C:\Users\Admin\AppData\Local\Temp\6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3348
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2256
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe"
  2⤵
  - Views/modifies file attributes
  PID:2392
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1624
- 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:4088
- 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:5060
- 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:4460
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1184
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4476
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:940
- 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:4980
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3600
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\6a856e121efd06bea72dbf93e24570e3c08e9859795e8234492254559f9aff53.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1892

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
d3235ed022a42ec4338123ab87144afa

SHA1
5058608bc0deb720a585a2304a8f7cf63a50a315

SHA256
10663f5a1cb0afe5578f61ebaae2aafb363544e47b48521f9c23be9e6e431b27

SHA512
236761b7c68feca8bd62cba90cff0b25fac5613837aaa5d29ae823ace8b06a2057553cf7e72b11ccc59b6c289e471ca1bbac1a880aef5e2868875371a17c1abf

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

Filesize
1KB

MD5
c3b84be2bbf3c65d814edb1e6d8df10f

SHA1
1e23ead985215ee938f5280a0144529654ed5f3c

SHA256
a4f8c5af90aedc806d37e2b2adc3f80d0d0d99b681b497988b44c826d7093b2b

SHA512
397860732aadd6e68d2193ae93ce9307779d267e64e21787ff6edc5428b388c132ddf69af3fb353a4f316f6ba86a5993e6d7da04d0475fe21accfac4b8ac6ae7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wyfa0mvv.wjd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1624-13-0x000001FA53610000-0x000001FA53632000-memory.dmp

Filesize
136KB

Download
memory/1624-14-0x00007FFEEBD30000-0x00007FFEEC7F1000-memory.dmp

Filesize
10.8MB

Download
memory/1624-15-0x00007FFEEBD30000-0x00007FFEEC7F1000-memory.dmp

Filesize
10.8MB

Download
memory/1624-18-0x00007FFEEBD30000-0x00007FFEEC7F1000-memory.dmp

Filesize
10.8MB

Download
memory/1624-3-0x00007FFEEBD30000-0x00007FFEEC7F1000-memory.dmp

Filesize
10.8MB

Download
memory/3348-34-0x000001B2EBCB0000-0x000001B2EBD00000-memory.dmp

Filesize
320KB

Download
memory/3348-33-0x000001B2EBBB0000-0x000001B2EBC26000-memory.dmp

Filesize
472KB

Download
memory/3348-35-0x000001B2EBB30000-0x000001B2EBB4E000-memory.dmp

Filesize
120KB

Download
memory/3348-1-0x000001B2D1450000-0x000001B2D1496000-memory.dmp

Filesize
280KB

Download
memory/3348-0-0x00007FFEEBD33000-0x00007FFEEBD35000-memory.dmp

Filesize
8KB

Download
memory/3348-72-0x000001B2EBB50000-0x000001B2EBB5A000-memory.dmp

Filesize
40KB

Download
memory/3348-73-0x000001B2EBC30000-0x000001B2EBC42000-memory.dmp

Filesize
72KB

Download
memory/3348-2-0x00007FFEEBD30000-0x00007FFEEC7F1000-memory.dmp

Filesize
10.8MB

Download
memory/3348-93-0x00007FFEEBD30000-0x00007FFEEC7F1000-memory.dmp

Filesize
10.8MB

Download