umbral | aa674c3b1a3b9ac2b03dbbfa6d862a18aabb1d8b7886d984e84b5470fb1871f8

Analysis

max time kernel
136s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 10:03

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General

Target

RagdollEngines.exe
Size

229KB
MD5

200c41d8aed55fb8062af370c6baa50c
SHA1

910bfcccb5411675f5bdbe58166c36b51cfb00d6
SHA256

aa674c3b1a3b9ac2b03dbbfa6d862a18aabb1d8b7886d984e84b5470fb1871f8
SHA512

a6a8f2f361ef056daf2c91c95ed99724369f096841bf2b4d4be615da5a0fcd9b5f2950e5e6adcdb8c1a387ddbdc31bc102962e2f743f31aa0b61cd2eafcd3de0
SSDEEP

6144:dloZM+rIkd8g+EtXHkv/iD4SuiRz2U7X8VtoGnnGMRb8e1m3Nlxi:/oZtL+EP8SuiRz2U7X8VtoGnnGU/

Score

10^/10

umbral execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/3096-1-0x0000025D2B320000-0x0000025D2B360000-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
1360	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	RagdollEngines.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
30	discord.com
32	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
3700	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4304	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3096	RagdollEngines.exe
1360	powershell.exe
1360	powershell.exe
3516	powershell.exe
3516	powershell.exe
3412	powershell.exe
3412	powershell.exe
4156	powershell.exe
4156	powershell.exe
2640	powershell.exe
2640	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	RagdollEngines.exe
Token: SeIncreaseQuotaPrivilege	4020	wmic.exe
Token: SeSecurityPrivilege	4020	wmic.exe
Token: SeTakeOwnershipPrivilege	4020	wmic.exe
Token: SeLoadDriverPrivilege	4020	wmic.exe
Token: SeSystemProfilePrivilege	4020	wmic.exe
Token: SeSystemtimePrivilege	4020	wmic.exe
Token: SeProfSingleProcessPrivilege	4020	wmic.exe
Token: SeIncBasePriorityPrivilege	4020	wmic.exe
Token: SeCreatePagefilePrivilege	4020	wmic.exe
Token: SeBackupPrivilege	4020	wmic.exe
Token: SeRestorePrivilege	4020	wmic.exe
Token: SeShutdownPrivilege	4020	wmic.exe
Token: SeDebugPrivilege	4020	wmic.exe
Token: SeSystemEnvironmentPrivilege	4020	wmic.exe
Token: SeRemoteShutdownPrivilege	4020	wmic.exe
Token: SeUndockPrivilege	4020	wmic.exe
Token: SeManageVolumePrivilege	4020	wmic.exe
Token: 33	4020	wmic.exe
Token: 34	4020	wmic.exe
Token: 35	4020	wmic.exe
Token: 36	4020	wmic.exe
Token: SeIncreaseQuotaPrivilege	4020	wmic.exe
Token: SeSecurityPrivilege	4020	wmic.exe
Token: SeTakeOwnershipPrivilege	4020	wmic.exe
Token: SeLoadDriverPrivilege	4020	wmic.exe
Token: SeSystemProfilePrivilege	4020	wmic.exe
Token: SeSystemtimePrivilege	4020	wmic.exe
Token: SeProfSingleProcessPrivilege	4020	wmic.exe
Token: SeIncBasePriorityPrivilege	4020	wmic.exe
Token: SeCreatePagefilePrivilege	4020	wmic.exe
Token: SeBackupPrivilege	4020	wmic.exe
Token: SeRestorePrivilege	4020	wmic.exe
Token: SeShutdownPrivilege	4020	wmic.exe
Token: SeDebugPrivilege	4020	wmic.exe
Token: SeSystemEnvironmentPrivilege	4020	wmic.exe
Token: SeRemoteShutdownPrivilege	4020	wmic.exe
Token: SeUndockPrivilege	4020	wmic.exe
Token: SeManageVolumePrivilege	4020	wmic.exe
Token: 33	4020	wmic.exe
Token: 34	4020	wmic.exe
Token: 35	4020	wmic.exe
Token: 36	4020	wmic.exe
Token: SeDebugPrivilege	1360	powershell.exe
Token: SeDebugPrivilege	3516	powershell.exe
Token: SeDebugPrivilege	3412	powershell.exe
Token: SeDebugPrivilege	4156	powershell.exe
Token: SeIncreaseQuotaPrivilege	1600	wmic.exe
Token: SeSecurityPrivilege	1600	wmic.exe
Token: SeTakeOwnershipPrivilege	1600	wmic.exe
Token: SeLoadDriverPrivilege	1600	wmic.exe
Token: SeSystemProfilePrivilege	1600	wmic.exe
Token: SeSystemtimePrivilege	1600	wmic.exe
Token: SeProfSingleProcessPrivilege	1600	wmic.exe
Token: SeIncBasePriorityPrivilege	1600	wmic.exe
Token: SeCreatePagefilePrivilege	1600	wmic.exe
Token: SeBackupPrivilege	1600	wmic.exe
Token: SeRestorePrivilege	1600	wmic.exe
Token: SeShutdownPrivilege	1600	wmic.exe
Token: SeDebugPrivilege	1600	wmic.exe
Token: SeSystemEnvironmentPrivilege	1600	wmic.exe
Token: SeRemoteShutdownPrivilege	1600	wmic.exe
Token: SeUndockPrivilege	1600	wmic.exe
Token: SeManageVolumePrivilege	1600	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 4020	3096	RagdollEngines.exe	86
PID 3096 wrote to memory of 4020	3096	RagdollEngines.exe	86
PID 3096 wrote to memory of 4008	3096	RagdollEngines.exe	92
PID 3096 wrote to memory of 4008	3096	RagdollEngines.exe	92
PID 3096 wrote to memory of 1360	3096	RagdollEngines.exe	94
PID 3096 wrote to memory of 1360	3096	RagdollEngines.exe	94
PID 3096 wrote to memory of 3516	3096	RagdollEngines.exe	96
PID 3096 wrote to memory of 3516	3096	RagdollEngines.exe	96
PID 3096 wrote to memory of 3412	3096	RagdollEngines.exe	98
PID 3096 wrote to memory of 3412	3096	RagdollEngines.exe	98
PID 3096 wrote to memory of 4156	3096	RagdollEngines.exe	100
PID 3096 wrote to memory of 4156	3096	RagdollEngines.exe	100
PID 3096 wrote to memory of 1600	3096	RagdollEngines.exe	102
PID 3096 wrote to memory of 1600	3096	RagdollEngines.exe	102
PID 3096 wrote to memory of 4068	3096	RagdollEngines.exe	104
PID 3096 wrote to memory of 4068	3096	RagdollEngines.exe	104
PID 3096 wrote to memory of 1524	3096	RagdollEngines.exe	106
PID 3096 wrote to memory of 1524	3096	RagdollEngines.exe	106
PID 3096 wrote to memory of 2640	3096	RagdollEngines.exe	108
PID 3096 wrote to memory of 2640	3096	RagdollEngines.exe	108
PID 3096 wrote to memory of 3700	3096	RagdollEngines.exe	110
PID 3096 wrote to memory of 3700	3096	RagdollEngines.exe	110
PID 3096 wrote to memory of 1528	3096	RagdollEngines.exe	115
PID 3096 wrote to memory of 1528	3096	RagdollEngines.exe	115
PID 1528 wrote to memory of 4304	1528	cmd.exe	117
PID 1528 wrote to memory of 4304	1528	cmd.exe	117

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4008	attrib.exe

C:\Users\Admin\AppData\Local\Temp\RagdollEngines.exe
"C:\Users\Admin\AppData\Local\Temp\RagdollEngines.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4020
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\RagdollEngines.exe"
  2⤵
  - Views/modifies file attributes
  PID:4008
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RagdollEngines.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1360
- 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:3516
- 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:3412
- 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:4156
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1600
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:4068
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1524
- 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:2640
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3700
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\RagdollEngines.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:4304

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
948B

MD5
17d8127be94d3c1b6fcc9a4ed585003e

SHA1
789874fcc7c778c723f3e89822d8cc8750c6c4c8

SHA256
ea357ad1f95863b3618d31e5b0f90495331f64de2b784d9e185b48668c937a7b

SHA512
bb18b6d07d82227f5cfbe3eb460df79ec892c560ad2964dcd4782aa26336ae15059843bf46a739bdd4a4daa58057f99102531a756a1cf434ce6449b3cd35a98e

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
6317adf4fbc43ea2fd68861fafd57155

SHA1
6b87c718893c83c6eed2767e8d9cbc6443e31913

SHA256
c1ead17eef37b4b461cedc276504a441489e819c7f943037f2001966aeec90af

SHA512
17229aae8622e4bfc3caaac55684f7d4ccd3162af5919c851b1d8ac4060b6bb7b75044ecee116523d05acb55197dcb60780958f629450edef386f1e6f65f49f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c4w3sa0r.xc1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1360-9-0x000001CDC8B40000-0x000001CDC8B62000-memory.dmp

Filesize
136KB

Download
memory/1360-10-0x00007FF927980000-0x00007FF928441000-memory.dmp

Filesize
10.8MB

Download
memory/1360-15-0x00007FF927980000-0x00007FF928441000-memory.dmp

Filesize
10.8MB

Download
memory/1360-18-0x00007FF927980000-0x00007FF928441000-memory.dmp

Filesize
10.8MB

Download
memory/1360-3-0x00007FF927980000-0x00007FF928441000-memory.dmp

Filesize
10.8MB

Download
memory/3096-34-0x0000025D45B30000-0x0000025D45B80000-memory.dmp

Filesize
320KB

Download
memory/3096-33-0x0000025D45AB0000-0x0000025D45B26000-memory.dmp

Filesize
472KB

Download
memory/3096-35-0x0000025D45A50000-0x0000025D45A6E000-memory.dmp

Filesize
120KB

Download
memory/3096-1-0x0000025D2B320000-0x0000025D2B360000-memory.dmp

Filesize
256KB

Download
memory/3096-0-0x00007FF927983000-0x00007FF927985000-memory.dmp

Filesize
8KB

Download
memory/3096-72-0x0000025D45A70000-0x0000025D45A82000-memory.dmp

Filesize
72KB

Download
memory/3096-71-0x0000025D2B8F0000-0x0000025D2B8FA000-memory.dmp

Filesize
40KB

Download
memory/3096-2-0x00007FF927980000-0x00007FF928441000-memory.dmp

Filesize
10.8MB

Download
memory/3096-90-0x00007FF927980000-0x00007FF928441000-memory.dmp

Filesize
10.8MB

Download