umbral | e3b085539ea01820a02ac0c6e251e8a4424ee16b6d7b79593e52a63c0d314b84

Analysis

max time kernel
126s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-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 1 IoCs

resource	yara_rule
behavioral2/memory/3316-133-0x0000015DE0B50000-0x0000015DE0B90000-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
19	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3588	wmic.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
416	powershell.exe
416	powershell.exe
1080	powershell.exe
1080	powershell.exe
2832	powershell.exe
2832	powershell.exe
2428	powershell.exe
2428	powershell.exe
2868	powershell.exe
2868	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3316	1hackNova7.40.exe
Token: SeDebugPrivilege	416	powershell.exe
Token: SeDebugPrivilege	1080	powershell.exe
Token: SeDebugPrivilege	2832	powershell.exe
Token: SeDebugPrivilege	2428	powershell.exe
Token: SeIncreaseQuotaPrivilege	3856	wmic.exe
Token: SeSecurityPrivilege	3856	wmic.exe
Token: SeTakeOwnershipPrivilege	3856	wmic.exe
Token: SeLoadDriverPrivilege	3856	wmic.exe
Token: SeSystemProfilePrivilege	3856	wmic.exe
Token: SeSystemtimePrivilege	3856	wmic.exe
Token: SeProfSingleProcessPrivilege	3856	wmic.exe
Token: SeIncBasePriorityPrivilege	3856	wmic.exe
Token: SeCreatePagefilePrivilege	3856	wmic.exe
Token: SeBackupPrivilege	3856	wmic.exe
Token: SeRestorePrivilege	3856	wmic.exe
Token: SeShutdownPrivilege	3856	wmic.exe
Token: SeDebugPrivilege	3856	wmic.exe
Token: SeSystemEnvironmentPrivilege	3856	wmic.exe
Token: SeRemoteShutdownPrivilege	3856	wmic.exe
Token: SeUndockPrivilege	3856	wmic.exe
Token: SeManageVolumePrivilege	3856	wmic.exe
Token: 33	3856	wmic.exe
Token: 34	3856	wmic.exe
Token: 35	3856	wmic.exe
Token: 36	3856	wmic.exe
Token: SeIncreaseQuotaPrivilege	3856	wmic.exe
Token: SeSecurityPrivilege	3856	wmic.exe
Token: SeTakeOwnershipPrivilege	3856	wmic.exe
Token: SeLoadDriverPrivilege	3856	wmic.exe
Token: SeSystemProfilePrivilege	3856	wmic.exe
Token: SeSystemtimePrivilege	3856	wmic.exe
Token: SeProfSingleProcessPrivilege	3856	wmic.exe
Token: SeIncBasePriorityPrivilege	3856	wmic.exe
Token: SeCreatePagefilePrivilege	3856	wmic.exe
Token: SeBackupPrivilege	3856	wmic.exe
Token: SeRestorePrivilege	3856	wmic.exe
Token: SeShutdownPrivilege	3856	wmic.exe
Token: SeDebugPrivilege	3856	wmic.exe
Token: SeSystemEnvironmentPrivilege	3856	wmic.exe
Token: SeRemoteShutdownPrivilege	3856	wmic.exe
Token: SeUndockPrivilege	3856	wmic.exe
Token: SeManageVolumePrivilege	3856	wmic.exe
Token: 33	3856	wmic.exe
Token: 34	3856	wmic.exe
Token: 35	3856	wmic.exe
Token: 36	3856	wmic.exe
Token: SeIncreaseQuotaPrivilege	3560	wmic.exe
Token: SeSecurityPrivilege	3560	wmic.exe
Token: SeTakeOwnershipPrivilege	3560	wmic.exe
Token: SeLoadDriverPrivilege	3560	wmic.exe
Token: SeSystemProfilePrivilege	3560	wmic.exe
Token: SeSystemtimePrivilege	3560	wmic.exe
Token: SeProfSingleProcessPrivilege	3560	wmic.exe
Token: SeIncBasePriorityPrivilege	3560	wmic.exe
Token: SeCreatePagefilePrivilege	3560	wmic.exe
Token: SeBackupPrivilege	3560	wmic.exe
Token: SeRestorePrivilege	3560	wmic.exe
Token: SeShutdownPrivilege	3560	wmic.exe
Token: SeDebugPrivilege	3560	wmic.exe
Token: SeSystemEnvironmentPrivilege	3560	wmic.exe
Token: SeRemoteShutdownPrivilege	3560	wmic.exe
Token: SeUndockPrivilege	3560	wmic.exe
Token: SeManageVolumePrivilege	3560	wmic.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 416	3316	1hackNova7.40.exe	82
PID 3316 wrote to memory of 416	3316	1hackNova7.40.exe	82
PID 3316 wrote to memory of 1080	3316	1hackNova7.40.exe	84
PID 3316 wrote to memory of 1080	3316	1hackNova7.40.exe	84
PID 3316 wrote to memory of 2832	3316	1hackNova7.40.exe	87
PID 3316 wrote to memory of 2832	3316	1hackNova7.40.exe	87
PID 3316 wrote to memory of 2428	3316	1hackNova7.40.exe	89
PID 3316 wrote to memory of 2428	3316	1hackNova7.40.exe	89
PID 3316 wrote to memory of 3856	3316	1hackNova7.40.exe	93
PID 3316 wrote to memory of 3856	3316	1hackNova7.40.exe	93
PID 3316 wrote to memory of 3560	3316	1hackNova7.40.exe	97
PID 3316 wrote to memory of 3560	3316	1hackNova7.40.exe	97
PID 3316 wrote to memory of 4776	3316	1hackNova7.40.exe	100
PID 3316 wrote to memory of 4776	3316	1hackNova7.40.exe	100
PID 3316 wrote to memory of 2868	3316	1hackNova7.40.exe	102
PID 3316 wrote to memory of 2868	3316	1hackNova7.40.exe	102
PID 3316 wrote to memory of 3588	3316	1hackNova7.40.exe	104
PID 3316 wrote to memory of 3588	3316	1hackNova7.40.exe	104

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:3316
- 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:416
- 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:1080
- 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:2832
- 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:2428
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3856
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3560
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4776
- 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:2868
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3588

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

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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
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

Filesize
948B

MD5
f4bf3ca8753d6bb9725419fec1ec74b9

SHA1
71fce9d17d1d92873236a9a827c52eb9e4827f3d

SHA256
ca8697e4ada4c3d4aac2899b8aad4052ccd605fccee05ee0a831368bde2f7417

SHA512
a55a107ae8bcf833ea674413c765cd55096146c9634dff41884fcc851c12fe47753308099525c99ae44883facfb668c8b292dd915263f34ebd1190391cb28a54

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

Filesize
1KB

MD5
b0a78e60bfb279d18fd3d6e7a67411f5

SHA1
9344fe3654a14bc66afb9dc6ea215fabfbe5c906

SHA256
a28890c82033d3deaf5770ecd1b0239c77321acc93704b1d4b1e167b91e30aeb

SHA512
9548be23bec645cd705482f78d43b63659e38cf879c34f7071f42fd86ee02039379a5e92fbe0f1c74c12aaebabdd8002f57eba111d3e855cbd0c89a110e346f2

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

Filesize
1KB

MD5
567d7fef99fd45b4def9fa7b093384e2

SHA1
e6a0a4657276cca5142193ad980e34d1ed382f41

SHA256
7ec7b5f3f860f6b4a326dcc883a2bd3f57bac0a5774418b48e3ef54c2cd2893c

SHA512
f45b7876ae0e3eac9dee187f2b901da361caf20e2aebc545408a95f6926a2b3a13233392d085487a76e6972784877637576bf8f9b644c0d59cea02f9177aa711

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_awtita13.q5j.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/416-149-0x00000212D9550000-0x00000212D9560000-memory.dmp

Filesize
64KB

Download
memory/416-148-0x00000212D9550000-0x00000212D9560000-memory.dmp

Filesize
64KB

Download
memory/416-152-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/416-147-0x00000212D9550000-0x00000212D9560000-memory.dmp

Filesize
64KB

Download
memory/416-141-0x00000212D9560000-0x00000212D9582000-memory.dmp

Filesize
136KB

Download
memory/416-146-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/1080-169-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/1080-163-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/1080-166-0x000001B2987D0000-0x000001B2987E0000-memory.dmp

Filesize
64KB

Download
memory/1080-165-0x000001B2987D0000-0x000001B2987E0000-memory.dmp

Filesize
64KB

Download
memory/2428-212-0x0000019FC1960000-0x0000019FC1970000-memory.dmp

Filesize
64KB

Download
memory/2428-213-0x0000019FC1960000-0x0000019FC1970000-memory.dmp

Filesize
64KB

Download
memory/2428-215-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/2428-210-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/2428-211-0x0000019FC1960000-0x0000019FC1970000-memory.dmp

Filesize
64KB

Download
memory/2832-173-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/2832-174-0x0000025969CB0000-0x0000025969CC0000-memory.dmp

Filesize
64KB

Download
memory/2832-175-0x0000025969CB0000-0x0000025969CC0000-memory.dmp

Filesize
64KB

Download
memory/2832-199-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/2868-234-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/2868-233-0x000002062D010000-0x000002062D02E000-memory.dmp

Filesize
120KB

Download
memory/2868-230-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/3316-133-0x0000015DE0B50000-0x0000015DE0B90000-memory.dmp

Filesize
256KB

Download
memory/3316-170-0x0000015DFB300000-0x0000015DFB376000-memory.dmp

Filesize
472KB

Download
memory/3316-135-0x0000015DE1050000-0x0000015DE1060000-memory.dmp

Filesize
64KB

Download
memory/3316-218-0x0000015DFB380000-0x0000015DFB392000-memory.dmp

Filesize
72KB

Download
memory/3316-217-0x0000015DE2950000-0x0000015DE295A000-memory.dmp

Filesize
40KB

Download
memory/3316-134-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/3316-167-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download
memory/3316-172-0x0000015DE1010000-0x0000015DE102E000-memory.dmp

Filesize
120KB

Download
memory/3316-171-0x0000015DFB280000-0x0000015DFB2D0000-memory.dmp

Filesize
320KB

Download
memory/3316-239-0x00007FFE8AFF0000-0x00007FFE8BAB1000-memory.dmp

Filesize
10.8MB

Download