umbral | e6ce3dd93c2d407085ea10bb6f22bd89a34e7fff719e5579ee47f4f2fdaed921

Analysis

max time kernel
118s
max time network
129s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/02/2024, 04:26

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General

Target

c964c96a473bbd29377a62c0d6e1d100.exe
Size

231KB
MD5

c964c96a473bbd29377a62c0d6e1d100
SHA1

879c4eebdfce76f13a2be8209c5b1ce3676152ef
SHA256

e6ce3dd93c2d407085ea10bb6f22bd89a34e7fff719e5579ee47f4f2fdaed921
SHA512

36e472d0b7d34a3b9968eb4c540cf839592df4b1147c1063fd0be4b72748cd48c0d8d46ef5cb6949932844951cd2f2dc5de7fdecbc98fc232958fe285813cf95
SSDEEP

6144:xloZM9rIkd8g+EtXHkv/iD4085oBPUon6WvRsY9+N0C8e1mkHi:DoZOL+EP8085oBPUon6WvRsY9eHC

Score

10^/10

umbral spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral1/memory/2112-0-0x0000000001050000-0x0000000001090000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	c964c96a473bbd29377a62c0d6e1d100.exe

Deletes itself 1 IoCs

pid	Process
560	cmd.exe

Reads user/profile data of web browsers 2 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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
8	discord.com
9	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

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
1060	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1596	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2940	powershell.exe
1972	powershell.exe
680	powershell.exe
1484	powershell.exe
2444	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	c964c96a473bbd29377a62c0d6e1d100.exe
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	1972	powershell.exe
Token: SeDebugPrivilege	680	powershell.exe
Token: SeDebugPrivilege	1484	powershell.exe
Token: SeIncreaseQuotaPrivilege	1908	wmic.exe
Token: SeSecurityPrivilege	1908	wmic.exe
Token: SeTakeOwnershipPrivilege	1908	wmic.exe
Token: SeLoadDriverPrivilege	1908	wmic.exe
Token: SeSystemProfilePrivilege	1908	wmic.exe
Token: SeSystemtimePrivilege	1908	wmic.exe
Token: SeProfSingleProcessPrivilege	1908	wmic.exe
Token: SeIncBasePriorityPrivilege	1908	wmic.exe
Token: SeCreatePagefilePrivilege	1908	wmic.exe
Token: SeBackupPrivilege	1908	wmic.exe
Token: SeRestorePrivilege	1908	wmic.exe
Token: SeShutdownPrivilege	1908	wmic.exe
Token: SeDebugPrivilege	1908	wmic.exe
Token: SeSystemEnvironmentPrivilege	1908	wmic.exe
Token: SeRemoteShutdownPrivilege	1908	wmic.exe
Token: SeUndockPrivilege	1908	wmic.exe
Token: SeManageVolumePrivilege	1908	wmic.exe
Token: 33	1908	wmic.exe
Token: 34	1908	wmic.exe
Token: 35	1908	wmic.exe
Token: SeIncreaseQuotaPrivilege	1908	wmic.exe
Token: SeSecurityPrivilege	1908	wmic.exe
Token: SeTakeOwnershipPrivilege	1908	wmic.exe
Token: SeLoadDriverPrivilege	1908	wmic.exe
Token: SeSystemProfilePrivilege	1908	wmic.exe
Token: SeSystemtimePrivilege	1908	wmic.exe
Token: SeProfSingleProcessPrivilege	1908	wmic.exe
Token: SeIncBasePriorityPrivilege	1908	wmic.exe
Token: SeCreatePagefilePrivilege	1908	wmic.exe
Token: SeBackupPrivilege	1908	wmic.exe
Token: SeRestorePrivilege	1908	wmic.exe
Token: SeShutdownPrivilege	1908	wmic.exe
Token: SeDebugPrivilege	1908	wmic.exe
Token: SeSystemEnvironmentPrivilege	1908	wmic.exe
Token: SeRemoteShutdownPrivilege	1908	wmic.exe
Token: SeUndockPrivilege	1908	wmic.exe
Token: SeManageVolumePrivilege	1908	wmic.exe
Token: 33	1908	wmic.exe
Token: 34	1908	wmic.exe
Token: 35	1908	wmic.exe
Token: SeIncreaseQuotaPrivilege	1680	wmic.exe
Token: SeSecurityPrivilege	1680	wmic.exe
Token: SeTakeOwnershipPrivilege	1680	wmic.exe
Token: SeLoadDriverPrivilege	1680	wmic.exe
Token: SeSystemProfilePrivilege	1680	wmic.exe
Token: SeSystemtimePrivilege	1680	wmic.exe
Token: SeProfSingleProcessPrivilege	1680	wmic.exe
Token: SeIncBasePriorityPrivilege	1680	wmic.exe
Token: SeCreatePagefilePrivilege	1680	wmic.exe
Token: SeBackupPrivilege	1680	wmic.exe
Token: SeRestorePrivilege	1680	wmic.exe
Token: SeShutdownPrivilege	1680	wmic.exe
Token: SeDebugPrivilege	1680	wmic.exe
Token: SeSystemEnvironmentPrivilege	1680	wmic.exe
Token: SeRemoteShutdownPrivilege	1680	wmic.exe
Token: SeUndockPrivilege	1680	wmic.exe
Token: SeManageVolumePrivilege	1680	wmic.exe
Token: 33	1680	wmic.exe
Token: 34	1680	wmic.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2716	2112	c964c96a473bbd29377a62c0d6e1d100.exe	28
PID 2112 wrote to memory of 2716	2112	c964c96a473bbd29377a62c0d6e1d100.exe	28
PID 2112 wrote to memory of 2716	2112	c964c96a473bbd29377a62c0d6e1d100.exe	28
PID 2112 wrote to memory of 2940	2112	c964c96a473bbd29377a62c0d6e1d100.exe	30
PID 2112 wrote to memory of 2940	2112	c964c96a473bbd29377a62c0d6e1d100.exe	30
PID 2112 wrote to memory of 2940	2112	c964c96a473bbd29377a62c0d6e1d100.exe	30
PID 2112 wrote to memory of 1972	2112	c964c96a473bbd29377a62c0d6e1d100.exe	32
PID 2112 wrote to memory of 1972	2112	c964c96a473bbd29377a62c0d6e1d100.exe	32
PID 2112 wrote to memory of 1972	2112	c964c96a473bbd29377a62c0d6e1d100.exe	32
PID 2112 wrote to memory of 680	2112	c964c96a473bbd29377a62c0d6e1d100.exe	34
PID 2112 wrote to memory of 680	2112	c964c96a473bbd29377a62c0d6e1d100.exe	34
PID 2112 wrote to memory of 680	2112	c964c96a473bbd29377a62c0d6e1d100.exe	34
PID 2112 wrote to memory of 1484	2112	c964c96a473bbd29377a62c0d6e1d100.exe	36
PID 2112 wrote to memory of 1484	2112	c964c96a473bbd29377a62c0d6e1d100.exe	36
PID 2112 wrote to memory of 1484	2112	c964c96a473bbd29377a62c0d6e1d100.exe	36
PID 2112 wrote to memory of 1908	2112	c964c96a473bbd29377a62c0d6e1d100.exe	38
PID 2112 wrote to memory of 1908	2112	c964c96a473bbd29377a62c0d6e1d100.exe	38
PID 2112 wrote to memory of 1908	2112	c964c96a473bbd29377a62c0d6e1d100.exe	38
PID 2112 wrote to memory of 1680	2112	c964c96a473bbd29377a62c0d6e1d100.exe	41
PID 2112 wrote to memory of 1680	2112	c964c96a473bbd29377a62c0d6e1d100.exe	41
PID 2112 wrote to memory of 1680	2112	c964c96a473bbd29377a62c0d6e1d100.exe	41
PID 2112 wrote to memory of 2136	2112	c964c96a473bbd29377a62c0d6e1d100.exe	43
PID 2112 wrote to memory of 2136	2112	c964c96a473bbd29377a62c0d6e1d100.exe	43
PID 2112 wrote to memory of 2136	2112	c964c96a473bbd29377a62c0d6e1d100.exe	43
PID 2112 wrote to memory of 2444	2112	c964c96a473bbd29377a62c0d6e1d100.exe	45
PID 2112 wrote to memory of 2444	2112	c964c96a473bbd29377a62c0d6e1d100.exe	45
PID 2112 wrote to memory of 2444	2112	c964c96a473bbd29377a62c0d6e1d100.exe	45
PID 2112 wrote to memory of 1060	2112	c964c96a473bbd29377a62c0d6e1d100.exe	47
PID 2112 wrote to memory of 1060	2112	c964c96a473bbd29377a62c0d6e1d100.exe	47
PID 2112 wrote to memory of 1060	2112	c964c96a473bbd29377a62c0d6e1d100.exe	47
PID 2112 wrote to memory of 560	2112	c964c96a473bbd29377a62c0d6e1d100.exe	49
PID 2112 wrote to memory of 560	2112	c964c96a473bbd29377a62c0d6e1d100.exe	49
PID 2112 wrote to memory of 560	2112	c964c96a473bbd29377a62c0d6e1d100.exe	49
PID 560 wrote to memory of 1596	560	cmd.exe	51
PID 560 wrote to memory of 1596	560	cmd.exe	51
PID 560 wrote to memory of 1596	560	cmd.exe	51

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2716	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe
"C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\system32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe"
  2⤵
  - Views/modifies file attributes
  PID:2716
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- 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⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1972
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:680
- 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:1484
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1908
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1680
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2136
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2444
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:1060
- C:\Windows\system32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe" && pause
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:560
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:1596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

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\E1JNCZIQITO6XT8C8XMV.temp

Filesize
7KB

MD5
2ce678d02526e86a07eca107bda4a785

SHA1
2e1bbb1f74f55e3835718590d9fa233624383908

SHA256
ee4c573a5ed0d7700440ffa60ca50de0b7e4ddaa2c62c8eff4935bee89838b4a

SHA512
19ab362f2d1825d3cbdbf84d5c64f6a066719364c0767c84d60df62e8db6c9c029cfcc99174bc58dfe72d21fbe52198b61eb9db2ead62a86382662b2c4af0723

Download Submit
memory/680-45-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/680-46-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/680-52-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/680-51-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/680-49-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/680-48-0x00000000029B0000-0x0000000002A30000-memory.dmp

Filesize
512KB

Download
memory/680-44-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/1484-64-0x000007FEEC3F0000-0x000007FEECD8D000-memory.dmp

Filesize
9.6MB

Download
memory/1484-63-0x00000000026D0000-0x0000000002750000-memory.dmp

Filesize
512KB

Download
memory/1484-62-0x00000000026D0000-0x0000000002750000-memory.dmp

Filesize
512KB

Download
memory/1484-61-0x000007FEEC3F0000-0x000007FEECD8D000-memory.dmp

Filesize
9.6MB

Download
memory/1484-60-0x00000000026D0000-0x0000000002750000-memory.dmp

Filesize
512KB

Download
memory/1484-59-0x000007FEEC3F0000-0x000007FEECD8D000-memory.dmp

Filesize
9.6MB

Download
memory/1972-22-0x000007FEEC3F0000-0x000007FEECD8D000-memory.dmp

Filesize
9.6MB

Download
memory/1972-23-0x00000000026D0000-0x00000000026D8000-memory.dmp

Filesize
32KB

Download
memory/1972-24-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/1972-26-0x000007FEEC3F0000-0x000007FEECD8D000-memory.dmp

Filesize
9.6MB

Download
memory/1972-27-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/1972-28-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/1972-29-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/1972-30-0x000007FEEC3F0000-0x000007FEECD8D000-memory.dmp

Filesize
9.6MB

Download
memory/1972-25-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/1972-21-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

Filesize
2.9MB

Download
memory/2112-47-0x000007FEF5120000-0x000007FEF5B0C000-memory.dmp

Filesize
9.9MB

Download
memory/2112-1-0x000007FEF5120000-0x000007FEF5B0C000-memory.dmp

Filesize
9.9MB

Download
memory/2112-84-0x000007FEF5120000-0x000007FEF5B0C000-memory.dmp

Filesize
9.9MB

Download
memory/2112-2-0x000000001B3A0000-0x000000001B420000-memory.dmp

Filesize
512KB

Download
memory/2112-50-0x000000001B3A0000-0x000000001B420000-memory.dmp

Filesize
512KB

Download
memory/2112-0-0x0000000001050000-0x0000000001090000-memory.dmp

Filesize
256KB

Download
memory/2444-74-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/2444-73-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

Filesize
2.9MB

Download
memory/2444-79-0x0000000002700000-0x0000000002780000-memory.dmp

Filesize
512KB

Download
memory/2444-78-0x0000000002700000-0x0000000002780000-memory.dmp

Filesize
512KB

Download
memory/2444-77-0x0000000002700000-0x0000000002780000-memory.dmp

Filesize
512KB

Download
memory/2444-76-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/2444-75-0x0000000002700000-0x0000000002780000-memory.dmp

Filesize
512KB

Download
memory/2444-80-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/2940-14-0x00000000027B0000-0x0000000002830000-memory.dmp

Filesize
512KB

Download
memory/2940-8-0x0000000002660000-0x0000000002668000-memory.dmp

Filesize
32KB

Download
memory/2940-9-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/2940-10-0x00000000027B0000-0x0000000002830000-memory.dmp

Filesize
512KB

Download
memory/2940-11-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/2940-12-0x00000000027B0000-0x0000000002830000-memory.dmp

Filesize
512KB

Download
memory/2940-13-0x00000000027B0000-0x0000000002830000-memory.dmp

Filesize
512KB

Download
memory/2940-15-0x000007FEECD90000-0x000007FEED72D000-memory.dmp

Filesize
9.6MB

Download
memory/2940-7-0x000000001B230000-0x000000001B512000-memory.dmp

Filesize
2.9MB

Download