umbral | e3b085539ea01820a02ac0c6e251e8a4424ee16b6d7b79593e52a63c0d314b84

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
21/08/2023, 22:44

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General

Target

1hackNova7.40.exe
Size

227KB
MD5

6badeb1e9a87fad28128236eecb46c32
SHA1

d89bb6ceff7d56c176147e62e17107815328a625
SHA256

e3b085539ea01820a02ac0c6e251e8a4424ee16b6d7b79593e52a63c0d314b84
SHA512

e5e92ed460e9b5da48c8100aca7617652bcac2a348042400c380a06cfae4d746c464c4c75fd92542015d6619f83ba7bf51e066ea9d49d412042890e3d2bd0e19
SSDEEP

6144:OloZMCrIkd8g+EtXHkv/iD44KANHdmOhqU9va6vhlb8e1mnii:YoZZL+EP84KANHdmOhqU9va6v3g

Score

10^/10

umbral spyware stealer

Malware Config

Signatures

Detect Umbral payload 3 IoCs

resource	yara_rule
behavioral1/memory/2464-54-0x0000000000390000-0x00000000003D0000-memory.dmp	family_umbral
behavioral1/memory/2464-55-0x000000001A890000-0x000000001A910000-memory.dmp	family_umbral
behavioral1/memory/2464-97-0x000000001A890000-0x000000001A910000-memory.dmp	family_umbral

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

Web Service
T1102

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
2160	wmic.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1844	powershell.exe
3044	powershell.exe
2224	powershell.exe
2764	powershell.exe
2220	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2464	1hackNova7.40.exe
Token: SeDebugPrivilege	1844	powershell.exe
Token: SeDebugPrivilege	3044	powershell.exe
Token: SeDebugPrivilege	2224	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeIncreaseQuotaPrivilege	2028	wmic.exe
Token: SeSecurityPrivilege	2028	wmic.exe
Token: SeTakeOwnershipPrivilege	2028	wmic.exe
Token: SeLoadDriverPrivilege	2028	wmic.exe
Token: SeSystemProfilePrivilege	2028	wmic.exe
Token: SeSystemtimePrivilege	2028	wmic.exe
Token: SeProfSingleProcessPrivilege	2028	wmic.exe
Token: SeIncBasePriorityPrivilege	2028	wmic.exe
Token: SeCreatePagefilePrivilege	2028	wmic.exe
Token: SeBackupPrivilege	2028	wmic.exe
Token: SeRestorePrivilege	2028	wmic.exe
Token: SeShutdownPrivilege	2028	wmic.exe
Token: SeDebugPrivilege	2028	wmic.exe
Token: SeSystemEnvironmentPrivilege	2028	wmic.exe
Token: SeRemoteShutdownPrivilege	2028	wmic.exe
Token: SeUndockPrivilege	2028	wmic.exe
Token: SeManageVolumePrivilege	2028	wmic.exe
Token: 33	2028	wmic.exe
Token: 34	2028	wmic.exe
Token: 35	2028	wmic.exe
Token: SeIncreaseQuotaPrivilege	2028	wmic.exe
Token: SeSecurityPrivilege	2028	wmic.exe
Token: SeTakeOwnershipPrivilege	2028	wmic.exe
Token: SeLoadDriverPrivilege	2028	wmic.exe
Token: SeSystemProfilePrivilege	2028	wmic.exe
Token: SeSystemtimePrivilege	2028	wmic.exe
Token: SeProfSingleProcessPrivilege	2028	wmic.exe
Token: SeIncBasePriorityPrivilege	2028	wmic.exe
Token: SeCreatePagefilePrivilege	2028	wmic.exe
Token: SeBackupPrivilege	2028	wmic.exe
Token: SeRestorePrivilege	2028	wmic.exe
Token: SeShutdownPrivilege	2028	wmic.exe
Token: SeDebugPrivilege	2028	wmic.exe
Token: SeSystemEnvironmentPrivilege	2028	wmic.exe
Token: SeRemoteShutdownPrivilege	2028	wmic.exe
Token: SeUndockPrivilege	2028	wmic.exe
Token: SeManageVolumePrivilege	2028	wmic.exe
Token: 33	2028	wmic.exe
Token: 34	2028	wmic.exe
Token: 35	2028	wmic.exe
Token: SeIncreaseQuotaPrivilege	1504	wmic.exe
Token: SeSecurityPrivilege	1504	wmic.exe
Token: SeTakeOwnershipPrivilege	1504	wmic.exe
Token: SeLoadDriverPrivilege	1504	wmic.exe
Token: SeSystemProfilePrivilege	1504	wmic.exe
Token: SeSystemtimePrivilege	1504	wmic.exe
Token: SeProfSingleProcessPrivilege	1504	wmic.exe
Token: SeIncBasePriorityPrivilege	1504	wmic.exe
Token: SeCreatePagefilePrivilege	1504	wmic.exe
Token: SeBackupPrivilege	1504	wmic.exe
Token: SeRestorePrivilege	1504	wmic.exe
Token: SeShutdownPrivilege	1504	wmic.exe
Token: SeDebugPrivilege	1504	wmic.exe
Token: SeSystemEnvironmentPrivilege	1504	wmic.exe
Token: SeRemoteShutdownPrivilege	1504	wmic.exe
Token: SeUndockPrivilege	1504	wmic.exe
Token: SeManageVolumePrivilege	1504	wmic.exe
Token: 33	1504	wmic.exe
Token: 34	1504	wmic.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 1844	2464	1hackNova7.40.exe	30
PID 2464 wrote to memory of 1844	2464	1hackNova7.40.exe	30
PID 2464 wrote to memory of 1844	2464	1hackNova7.40.exe	30
PID 2464 wrote to memory of 3044	2464	1hackNova7.40.exe	32
PID 2464 wrote to memory of 3044	2464	1hackNova7.40.exe	32
PID 2464 wrote to memory of 3044	2464	1hackNova7.40.exe	32
PID 2464 wrote to memory of 2224	2464	1hackNova7.40.exe	34
PID 2464 wrote to memory of 2224	2464	1hackNova7.40.exe	34
PID 2464 wrote to memory of 2224	2464	1hackNova7.40.exe	34
PID 2464 wrote to memory of 2764	2464	1hackNova7.40.exe	36
PID 2464 wrote to memory of 2764	2464	1hackNova7.40.exe	36
PID 2464 wrote to memory of 2764	2464	1hackNova7.40.exe	36
PID 2464 wrote to memory of 2028	2464	1hackNova7.40.exe	38
PID 2464 wrote to memory of 2028	2464	1hackNova7.40.exe	38
PID 2464 wrote to memory of 2028	2464	1hackNova7.40.exe	38
PID 2464 wrote to memory of 1504	2464	1hackNova7.40.exe	41
PID 2464 wrote to memory of 1504	2464	1hackNova7.40.exe	41
PID 2464 wrote to memory of 1504	2464	1hackNova7.40.exe	41
PID 2464 wrote to memory of 1840	2464	1hackNova7.40.exe	44
PID 2464 wrote to memory of 1840	2464	1hackNova7.40.exe	44
PID 2464 wrote to memory of 1840	2464	1hackNova7.40.exe	44
PID 2464 wrote to memory of 2220	2464	1hackNova7.40.exe	46
PID 2464 wrote to memory of 2220	2464	1hackNova7.40.exe	46
PID 2464 wrote to memory of 2220	2464	1hackNova7.40.exe	46
PID 2464 wrote to memory of 2160	2464	1hackNova7.40.exe	47
PID 2464 wrote to memory of 2160	2464	1hackNova7.40.exe	47
PID 2464 wrote to memory of 2160	2464	1hackNova7.40.exe	47

C:\Users\Admin\AppData\Local\Temp\1hackNova7.40.exe
"C:\Users\Admin\AppData\Local\Temp\1hackNova7.40.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\1hackNova7.40.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1844
- 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:3044
- 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:2224
- 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:2764
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2028
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1504
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1840
- 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:2220
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
28668a96950c508ceb73c6dc47437eb1

SHA1
70c4f2142967525dae0ed95c3bcc5149ebbb7486

SHA256
f7ce21c47b4938cabdc5eb53035a476b28f74d8e79091410bdf3573edb7ad716

SHA512
934d8c0bcc2d5e3d7a259308f46d3ccfde0125d754ce15c173bd92010d3ff9d94518dc5d09b8d3cd6be4fb35d4d789cb56b1b1ae441235ca802a31067a7dcc76

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
28668a96950c508ceb73c6dc47437eb1

SHA1
70c4f2142967525dae0ed95c3bcc5149ebbb7486

SHA256
f7ce21c47b4938cabdc5eb53035a476b28f74d8e79091410bdf3573edb7ad716

SHA512
934d8c0bcc2d5e3d7a259308f46d3ccfde0125d754ce15c173bd92010d3ff9d94518dc5d09b8d3cd6be4fb35d4d789cb56b1b1ae441235ca802a31067a7dcc76

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
28668a96950c508ceb73c6dc47437eb1

SHA1
70c4f2142967525dae0ed95c3bcc5149ebbb7486

SHA256
f7ce21c47b4938cabdc5eb53035a476b28f74d8e79091410bdf3573edb7ad716

SHA512
934d8c0bcc2d5e3d7a259308f46d3ccfde0125d754ce15c173bd92010d3ff9d94518dc5d09b8d3cd6be4fb35d4d789cb56b1b1ae441235ca802a31067a7dcc76

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
28668a96950c508ceb73c6dc47437eb1

SHA1
70c4f2142967525dae0ed95c3bcc5149ebbb7486

SHA256
f7ce21c47b4938cabdc5eb53035a476b28f74d8e79091410bdf3573edb7ad716

SHA512
934d8c0bcc2d5e3d7a259308f46d3ccfde0125d754ce15c173bd92010d3ff9d94518dc5d09b8d3cd6be4fb35d4d789cb56b1b1ae441235ca802a31067a7dcc76

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZZLJ1QOG5TTPVMJH261R.temp

Filesize
7KB

MD5
28668a96950c508ceb73c6dc47437eb1

SHA1
70c4f2142967525dae0ed95c3bcc5149ebbb7486

SHA256
f7ce21c47b4938cabdc5eb53035a476b28f74d8e79091410bdf3573edb7ad716

SHA512
934d8c0bcc2d5e3d7a259308f46d3ccfde0125d754ce15c173bd92010d3ff9d94518dc5d09b8d3cd6be4fb35d4d789cb56b1b1ae441235ca802a31067a7dcc76

Download Submit
memory/1844-63-0x0000000002650000-0x00000000026D0000-memory.dmp

Filesize
512KB

Download
memory/1844-64-0x0000000002650000-0x00000000026D0000-memory.dmp

Filesize
512KB

Download
memory/1844-65-0x0000000002650000-0x00000000026D0000-memory.dmp

Filesize
512KB

Download
memory/1844-67-0x000000000265B000-0x00000000026C2000-memory.dmp

Filesize
412KB

Download
memory/1844-66-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/1844-68-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/1844-62-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/1844-61-0x00000000025F0000-0x00000000025F8000-memory.dmp

Filesize
32KB

Download
memory/1844-60-0x000000001B200000-0x000000001B4E2000-memory.dmp

Filesize
2.9MB

Download
memory/2220-125-0x0000000002280000-0x0000000002300000-memory.dmp

Filesize
512KB

Download
memory/2220-124-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/2220-129-0x0000000002280000-0x0000000002300000-memory.dmp

Filesize
512KB

Download
memory/2220-128-0x0000000002280000-0x0000000002300000-memory.dmp

Filesize
512KB

Download
memory/2220-127-0x0000000002280000-0x0000000002300000-memory.dmp

Filesize
512KB

Download
memory/2220-126-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/2220-130-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/2224-99-0x0000000002970000-0x00000000029F0000-memory.dmp

Filesize
512KB

Download
memory/2224-102-0x0000000002970000-0x00000000029F0000-memory.dmp

Filesize
512KB

Download
memory/2224-101-0x0000000002970000-0x00000000029F0000-memory.dmp

Filesize
512KB

Download
memory/2224-103-0x0000000002970000-0x00000000029F0000-memory.dmp

Filesize
512KB

Download
memory/2224-104-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/2224-100-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/2224-98-0x000007FEED370000-0x000007FEEDD0D000-memory.dmp

Filesize
9.6MB

Download
memory/2464-76-0x000007FEF4C30000-0x000007FEF561C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-97-0x000000001A890000-0x000000001A910000-memory.dmp

Filesize
512KB

Download
memory/2464-53-0x000007FEF4C30000-0x000007FEF561C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-134-0x000007FEF4C30000-0x000007FEF561C000-memory.dmp

Filesize
9.9MB

Download
memory/2464-55-0x000000001A890000-0x000000001A910000-memory.dmp

Filesize
512KB

Download
memory/2464-54-0x0000000000390000-0x00000000003D0000-memory.dmp

Filesize
256KB

Download
memory/2764-110-0x000007FEEC9D0000-0x000007FEED36D000-memory.dmp

Filesize
9.6MB

Download
memory/2764-115-0x000007FEEC9D0000-0x000007FEED36D000-memory.dmp

Filesize
9.6MB

Download
memory/2764-111-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/2764-112-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/2764-113-0x000007FEEC9D0000-0x000007FEED36D000-memory.dmp

Filesize
9.6MB

Download
memory/2764-114-0x00000000029D0000-0x0000000002A50000-memory.dmp

Filesize
512KB

Download
memory/3044-83-0x0000000002900000-0x0000000002980000-memory.dmp

Filesize
512KB

Download
memory/3044-84-0x000007FEEC9D0000-0x000007FEED36D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-82-0x0000000002900000-0x0000000002980000-memory.dmp

Filesize
512KB

Download
memory/3044-80-0x0000000002900000-0x0000000002980000-memory.dmp

Filesize
512KB

Download
memory/3044-81-0x0000000002900000-0x0000000002980000-memory.dmp

Filesize
512KB

Download
memory/3044-79-0x0000000002900000-0x0000000002980000-memory.dmp

Filesize
512KB

Download
memory/3044-78-0x000007FEEC9D0000-0x000007FEED36D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-77-0x00000000026E0000-0x00000000026E8000-memory.dmp

Filesize
32KB

Download
memory/3044-74-0x000007FEEC9D0000-0x000007FEED36D000-memory.dmp

Filesize
9.6MB

Download
memory/3044-75-0x000000001B190000-0x000000001B472000-memory.dmp

Filesize
2.9MB

Download