umbral | e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 21:58

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General

Target

e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe
Size

227KB
MD5

14710332a8810ef47ae406bdc38ba850
SHA1

fbffc8889614801b02ccd2ee6b0e89157fe45991
SHA256

e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407
SHA512

6260ca6c6fd3baa92a86cd5ce0901efa06f2690ed98e0086a126a07d102b2810b192e55c46295805a1e7d261fa3721058ec5c22ba13e60bfa25f28ce6803c22a
SSDEEP

6144:+loZM+rIkd8g+EtXHkv/iD4tqjy0ad1+47mEl5Q8hb8e1mcgi:ooZtL+EP8tqjy0ad1+47mEl5QkL5

Score

10^/10

umbral discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/1988-1-0x0000020971590000-0x00000209715D0000-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

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4132	powershell.exe
4112	powershell.exe
4436	powershell.exe
3972	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.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
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
7	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
4000	cmd.exe
3104	PING.EXE

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1552	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3104	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe
4132	powershell.exe
4132	powershell.exe
4112	powershell.exe
4112	powershell.exe
4436	powershell.exe
4436	powershell.exe
5112	powershell.exe
5112	powershell.exe
3972	powershell.exe
3972	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe
Token: SeIncreaseQuotaPrivilege	2008	wmic.exe
Token: SeSecurityPrivilege	2008	wmic.exe
Token: SeTakeOwnershipPrivilege	2008	wmic.exe
Token: SeLoadDriverPrivilege	2008	wmic.exe
Token: SeSystemProfilePrivilege	2008	wmic.exe
Token: SeSystemtimePrivilege	2008	wmic.exe
Token: SeProfSingleProcessPrivilege	2008	wmic.exe
Token: SeIncBasePriorityPrivilege	2008	wmic.exe
Token: SeCreatePagefilePrivilege	2008	wmic.exe
Token: SeBackupPrivilege	2008	wmic.exe
Token: SeRestorePrivilege	2008	wmic.exe
Token: SeShutdownPrivilege	2008	wmic.exe
Token: SeDebugPrivilege	2008	wmic.exe
Token: SeSystemEnvironmentPrivilege	2008	wmic.exe
Token: SeRemoteShutdownPrivilege	2008	wmic.exe
Token: SeUndockPrivilege	2008	wmic.exe
Token: SeManageVolumePrivilege	2008	wmic.exe
Token: 33	2008	wmic.exe
Token: 34	2008	wmic.exe
Token: 35	2008	wmic.exe
Token: 36	2008	wmic.exe
Token: SeIncreaseQuotaPrivilege	2008	wmic.exe
Token: SeSecurityPrivilege	2008	wmic.exe
Token: SeTakeOwnershipPrivilege	2008	wmic.exe
Token: SeLoadDriverPrivilege	2008	wmic.exe
Token: SeSystemProfilePrivilege	2008	wmic.exe
Token: SeSystemtimePrivilege	2008	wmic.exe
Token: SeProfSingleProcessPrivilege	2008	wmic.exe
Token: SeIncBasePriorityPrivilege	2008	wmic.exe
Token: SeCreatePagefilePrivilege	2008	wmic.exe
Token: SeBackupPrivilege	2008	wmic.exe
Token: SeRestorePrivilege	2008	wmic.exe
Token: SeShutdownPrivilege	2008	wmic.exe
Token: SeDebugPrivilege	2008	wmic.exe
Token: SeSystemEnvironmentPrivilege	2008	wmic.exe
Token: SeRemoteShutdownPrivilege	2008	wmic.exe
Token: SeUndockPrivilege	2008	wmic.exe
Token: SeManageVolumePrivilege	2008	wmic.exe
Token: 33	2008	wmic.exe
Token: 34	2008	wmic.exe
Token: 35	2008	wmic.exe
Token: 36	2008	wmic.exe
Token: SeDebugPrivilege	4132	powershell.exe
Token: SeDebugPrivilege	4112	powershell.exe
Token: SeDebugPrivilege	4436	powershell.exe
Token: SeDebugPrivilege	5112	powershell.exe
Token: SeIncreaseQuotaPrivilege	4448	wmic.exe
Token: SeSecurityPrivilege	4448	wmic.exe
Token: SeTakeOwnershipPrivilege	4448	wmic.exe
Token: SeLoadDriverPrivilege	4448	wmic.exe
Token: SeSystemProfilePrivilege	4448	wmic.exe
Token: SeSystemtimePrivilege	4448	wmic.exe
Token: SeProfSingleProcessPrivilege	4448	wmic.exe
Token: SeIncBasePriorityPrivilege	4448	wmic.exe
Token: SeCreatePagefilePrivilege	4448	wmic.exe
Token: SeBackupPrivilege	4448	wmic.exe
Token: SeRestorePrivilege	4448	wmic.exe
Token: SeShutdownPrivilege	4448	wmic.exe
Token: SeDebugPrivilege	4448	wmic.exe
Token: SeSystemEnvironmentPrivilege	4448	wmic.exe
Token: SeRemoteShutdownPrivilege	4448	wmic.exe
Token: SeUndockPrivilege	4448	wmic.exe
Token: SeManageVolumePrivilege	4448	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2008	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	84
PID 1988 wrote to memory of 2008	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	84
PID 1988 wrote to memory of 2164	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	89
PID 1988 wrote to memory of 2164	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	89
PID 1988 wrote to memory of 4132	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	91
PID 1988 wrote to memory of 4132	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	91
PID 1988 wrote to memory of 4112	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	93
PID 1988 wrote to memory of 4112	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	93
PID 1988 wrote to memory of 4436	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	95
PID 1988 wrote to memory of 4436	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	95
PID 1988 wrote to memory of 5112	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	97
PID 1988 wrote to memory of 5112	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	97
PID 1988 wrote to memory of 4448	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	99
PID 1988 wrote to memory of 4448	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	99
PID 1988 wrote to memory of 512	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	101
PID 1988 wrote to memory of 512	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	101
PID 1988 wrote to memory of 3532	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	103
PID 1988 wrote to memory of 3532	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	103
PID 1988 wrote to memory of 3972	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	106
PID 1988 wrote to memory of 3972	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	106
PID 1988 wrote to memory of 1552	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	109
PID 1988 wrote to memory of 1552	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	109
PID 1988 wrote to memory of 4000	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	111
PID 1988 wrote to memory of 4000	1988	e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe	111
PID 4000 wrote to memory of 3104	4000	cmd.exe	113
PID 4000 wrote to memory of 3104	4000	cmd.exe	113

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2164	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe
"C:\Users\Admin\AppData\Local\Temp\e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2008
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe"
  2⤵
  - Views/modifies file attributes
  PID:2164
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4132
- 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:4112
- 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:4436
- 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:5112
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4448
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:512
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:3532
- 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:3972
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1552
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\e85ae204806791461c04de5d19ff512bbd2d3663ebaa0ebe3a9ae5b1faf99407N.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4000
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3104

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
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
5d22ac42059daf9b9c2d51f46af20634

SHA1
51235b33281f80aa9f39aa667ae9d1156b0bfb30

SHA256
73254f1cf0444935cbd7fdd307708d8eba8438657d33ce60404c932031f7bdfc

SHA512
8becdf99a374ff5e931e08eb54b201cdda041133416d1ec02e47002aebaab4be004d37711ce626a2afc9f4805e800f2771e7984937414e7a390c5a27e3f4de8a

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

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

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

Filesize
1KB

MD5
ec1ba4a995d866b282087b26a0539bbc

SHA1
c4aeae2bc3fa9a898680648b20102f01e8a811cf

SHA256
469da678c3c0364b1b511962cffd44cbfc10aab5c1c528c0c09fd952f08d8a2c

SHA512
07bf757ec9d0d368d3ef1bfc2b562895e2708757f8fefa04fa50beaa6fb38af1018ea0cfccf5666c5c8baa4c894deead9652c53e0608aa6a83ef5b396dba43e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yw0z0bpk.tua.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1988-30-0x0000020973AB0000-0x0000020973B26000-memory.dmp

Filesize
472KB

Download
memory/1988-1-0x0000020971590000-0x00000209715D0000-memory.dmp

Filesize
256KB

Download
memory/1988-31-0x0000020973280000-0x00000209732D0000-memory.dmp

Filesize
320KB

Download
memory/1988-32-0x0000020973B60000-0x0000020973B7E000-memory.dmp

Filesize
120KB

Download
memory/1988-70-0x0000020973B30000-0x0000020973B42000-memory.dmp

Filesize
72KB

Download
memory/1988-69-0x0000020973240000-0x000002097324A000-memory.dmp

Filesize
40KB

Download
memory/1988-0-0x00007FFD50FA0000-0x00007FFD510AB000-memory.dmp

Filesize
1.0MB

Download
memory/1988-90-0x00007FFD50FA0000-0x00007FFD510AB000-memory.dmp

Filesize
1.0MB

Download
memory/4132-15-0x00007FFD50FA0000-0x00007FFD510AB000-memory.dmp

Filesize
1.0MB

Download
memory/4132-12-0x00000226C64C0000-0x00000226C64E2000-memory.dmp

Filesize
136KB

Download
memory/4132-2-0x00007FFD50FA0000-0x00007FFD510AB000-memory.dmp

Filesize
1.0MB

Download