umbral | 47cf91642bc874355d72f1c4f696bff16a21f797298a0e4a45627b48f8312f47

Analysis

max time kernel
99s
max time network
151s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
23-07-2024 17:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

FATALITY crack/FATALITY.exe
Size

528KB
MD5

bbf3615f2a8a9b9bcddcbed8da9db09f
SHA1

2d307ff6e7b8a94331f49c27605fe26de415c7d8
SHA256

1885e517df6e315357016b5b0f96dedc86b58f5d163a20fa688dae41d3a7fb51
SHA512

6f0b0c61a1b94c6725f925cdbb72baf834281100ae7f03892265cd584c29666a52aadadddbe3e5e4811c0151ce711f46fe16b1828a2a2ad2b56de4b3e3556acf
SSDEEP

6144:70mlZXPQf8X0Xhm4LzKx/T5yQc9TyPJ1RAyAwjXIRydhoVJmnJZgSCq15P7nMalY:B2nhOxg9eCwjWydhoVKgSX1x7nluEG

Score

10^/10

umbral xworm discovery execution persistence rat stealer trojan

Malware Config

Extracted

Family

xworm

technology-various.gl.at.ply.gg:29919

Attributes

Install_directory
%AppData%
install_file
Windows Defender.exe

Extracted

Family

umbral

https://discordapp.com/api/webhooks/1265055151446818938/8qlqTfX2kKSRcNCB_ui_biHNYYtoz-JAuCWgqM04dhYNoHnyDKjKpgi3chJusMHz6139

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000800000001ac45-13.dat	family_umbral
behavioral2/memory/4568-14-0x0000019483220000-0x0000019483288000-memory.dmp	family_umbral

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000900000001ab69-5.dat	family_xworm
behavioral2/memory/4856-12-0x00000000003B0000-0x00000000003EE000-memory.dmp	family_xworm

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4496	powershell.exe
4696	powershell.exe
4332	powershell.exe
2056	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender.lnk	Windows Defender.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender.lnk	Windows Defender.exe

Executes dropped EXE 2 IoCs

pid	Process
4856	Windows Defender.exe
4568	Umbral.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Defender.exe"	Windows Defender.exe

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FATALITY.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4696	powershell.exe
4696	powershell.exe
4696	powershell.exe
4332	powershell.exe
4332	powershell.exe
4332	powershell.exe
2056	powershell.exe
2056	powershell.exe
2056	powershell.exe
4496	powershell.exe
4496	powershell.exe
4496	powershell.exe
4856	Windows Defender.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	Windows Defender.exe
Token: SeDebugPrivilege	4568	Umbral.exe
Token: SeIncreaseQuotaPrivilege	64	wmic.exe
Token: SeSecurityPrivilege	64	wmic.exe
Token: SeTakeOwnershipPrivilege	64	wmic.exe
Token: SeLoadDriverPrivilege	64	wmic.exe
Token: SeSystemProfilePrivilege	64	wmic.exe
Token: SeSystemtimePrivilege	64	wmic.exe
Token: SeProfSingleProcessPrivilege	64	wmic.exe
Token: SeIncBasePriorityPrivilege	64	wmic.exe
Token: SeCreatePagefilePrivilege	64	wmic.exe
Token: SeBackupPrivilege	64	wmic.exe
Token: SeRestorePrivilege	64	wmic.exe
Token: SeShutdownPrivilege	64	wmic.exe
Token: SeDebugPrivilege	64	wmic.exe
Token: SeSystemEnvironmentPrivilege	64	wmic.exe
Token: SeRemoteShutdownPrivilege	64	wmic.exe
Token: SeUndockPrivilege	64	wmic.exe
Token: SeManageVolumePrivilege	64	wmic.exe
Token: 33	64	wmic.exe
Token: 34	64	wmic.exe
Token: 35	64	wmic.exe
Token: 36	64	wmic.exe
Token: SeIncreaseQuotaPrivilege	64	wmic.exe
Token: SeSecurityPrivilege	64	wmic.exe
Token: SeTakeOwnershipPrivilege	64	wmic.exe
Token: SeLoadDriverPrivilege	64	wmic.exe
Token: SeSystemProfilePrivilege	64	wmic.exe
Token: SeSystemtimePrivilege	64	wmic.exe
Token: SeProfSingleProcessPrivilege	64	wmic.exe
Token: SeIncBasePriorityPrivilege	64	wmic.exe
Token: SeCreatePagefilePrivilege	64	wmic.exe
Token: SeBackupPrivilege	64	wmic.exe
Token: SeRestorePrivilege	64	wmic.exe
Token: SeShutdownPrivilege	64	wmic.exe
Token: SeDebugPrivilege	64	wmic.exe
Token: SeSystemEnvironmentPrivilege	64	wmic.exe
Token: SeRemoteShutdownPrivilege	64	wmic.exe
Token: SeUndockPrivilege	64	wmic.exe
Token: SeManageVolumePrivilege	64	wmic.exe
Token: 33	64	wmic.exe
Token: 34	64	wmic.exe
Token: 35	64	wmic.exe
Token: 36	64	wmic.exe
Token: SeDebugPrivilege	4696	powershell.exe
Token: SeIncreaseQuotaPrivilege	4696	powershell.exe
Token: SeSecurityPrivilege	4696	powershell.exe
Token: SeTakeOwnershipPrivilege	4696	powershell.exe
Token: SeLoadDriverPrivilege	4696	powershell.exe
Token: SeSystemProfilePrivilege	4696	powershell.exe
Token: SeSystemtimePrivilege	4696	powershell.exe
Token: SeProfSingleProcessPrivilege	4696	powershell.exe
Token: SeIncBasePriorityPrivilege	4696	powershell.exe
Token: SeCreatePagefilePrivilege	4696	powershell.exe
Token: SeBackupPrivilege	4696	powershell.exe
Token: SeRestorePrivilege	4696	powershell.exe
Token: SeShutdownPrivilege	4696	powershell.exe
Token: SeDebugPrivilege	4696	powershell.exe
Token: SeSystemEnvironmentPrivilege	4696	powershell.exe
Token: SeRemoteShutdownPrivilege	4696	powershell.exe
Token: SeUndockPrivilege	4696	powershell.exe
Token: SeManageVolumePrivilege	4696	powershell.exe
Token: 33	4696	powershell.exe
Token: 34	4696	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4856	Windows Defender.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 4856	1416	FATALITY.exe	73
PID 1416 wrote to memory of 4856	1416	FATALITY.exe	73
PID 1416 wrote to memory of 4568	1416	FATALITY.exe	74
PID 1416 wrote to memory of 4568	1416	FATALITY.exe	74
PID 4568 wrote to memory of 64	4568	Umbral.exe	75
PID 4568 wrote to memory of 64	4568	Umbral.exe	75
PID 4856 wrote to memory of 4696	4856	Windows Defender.exe	78
PID 4856 wrote to memory of 4696	4856	Windows Defender.exe	78
PID 4856 wrote to memory of 4332	4856	Windows Defender.exe	81
PID 4856 wrote to memory of 4332	4856	Windows Defender.exe	81
PID 4856 wrote to memory of 2056	4856	Windows Defender.exe	83
PID 4856 wrote to memory of 2056	4856	Windows Defender.exe	83
PID 4856 wrote to memory of 4496	4856	Windows Defender.exe	85
PID 4856 wrote to memory of 4496	4856	Windows Defender.exe	85

C:\Users\Admin\AppData\Local\Temp\FATALITY crack\FATALITY.exe
"C:\Users\Admin\AppData\Local\Temp\FATALITY crack\FATALITY.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe
  "C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4696
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Defender.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:4332
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Windows Defender.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:2056
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Defender.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:4496
- C:\Users\Admin\AppData\Local\Temp\Umbral.exe
  "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:64

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
8592ba100a78835a6b94d5949e13dfc1

SHA1
63e901200ab9a57c7dd4c078d7f75dcd3b357020

SHA256
fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c

SHA512
87f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3

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

Filesize
1KB

MD5
4e0186c64e58afcd66de5192163c4671

SHA1
d611d230a63e2adf8d4dbc6d93d3fa42b2ae0b46

SHA256
e3e304ff86b12e4e5110cd474f34dd8e8efb1f0b57eee7e72a6282847320a850

SHA512
02b59fddb48328b12eb323594ad960a25092d0e68af3440d873f92cba0e040089e5037003573f5ddac4c29fd4a27d98fccc0bfb48c920357c3867b00911fec91

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

Filesize
1KB

MD5
4b49a71b480a9cbbba9eab86a5d1f9f1

SHA1
c349c99602ad6337e5916a29262ac16fa30b7e23

SHA256
7e412bf422fcdfe5890519ce4aa1d249cac3ff19073531d0645e0c41bf192faf

SHA512
dad9ab041dbd196f544cb8251be7c5e4852b33c131bf042a26aa76c19808ebf64ca2d0375d2441531e23a05623c1ea655bef80f13a152be5e9a1d960d1e8924a

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

Filesize
1KB

MD5
12ce32cdb860ea27c099070bd8739917

SHA1
0316c3dcd8f5926dc125427a2220526e53b2b1c6

SHA256
cea8621365f1e4a19ccdbc46ef431635352d68753fc939f7412df3181080f6bd

SHA512
69da9c85c8068dfcef7267154215047aa3743a80724b60558f22c66237e04b24737d14dea19b7d8d8a7236da32d4fe9b4a48af04f22f61f54c5a69af1bc0ca95

Download Submit
C:\Users\Admin\AppData\Local\Temp\Umbral.exe

Filesize
395KB

MD5
5d17b589a8d90738da30b0e56ab0e21e

SHA1
0c57923923e2e285b804adfc8a79c66d531018c9

SHA256
59c17b1bda2f12d9d4efababb7c18ebe878030dbb4e7c464e04ad65485173802

SHA512
dcd16dc5c14ebe05e58057380ea31b4cfd87f3d0a503d0d457dd6e2fabcac28456001dcdf85ee4e127b6ab11ed516426b4f35b4a48703c90e33c28bcdf2d3658

Download Submit
C:\Users\Admin\AppData\Local\Temp\Windows Defender.exe

Filesize
231KB

MD5
f607a376bbb35b389dce306a3ed16230

SHA1
ce6c6512febcaaa52a82515c16488fa8eb008912

SHA256
a1995f351a1f36cb3cbeb674a230feed9d139306852205a9b56705df498af0fa

SHA512
b4aa9c6c01c98bded502273dd901b8620806be16290e2457cf6b29d9c5a3de6e8e46131fd17e841c13d15d57042fc991277fb33034f990037d0f4779ea68e2fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lvz1si22.pnc.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/4568-14-0x0000019483220000-0x0000019483288000-memory.dmp

Filesize
416KB

Download
memory/4568-17-0x00007FFB35280000-0x00007FFB35C6C000-memory.dmp

Filesize
9.9MB

Download
memory/4568-15-0x00007FFB35280000-0x00007FFB35C6C000-memory.dmp

Filesize
9.9MB

Download
memory/4696-23-0x00000179C6850000-0x00000179C6872000-memory.dmp

Filesize
136KB

Download
memory/4696-26-0x00000179C6A00000-0x00000179C6A76000-memory.dmp

Filesize
472KB

Download
memory/4856-18-0x00007FFB35280000-0x00007FFB35C6C000-memory.dmp

Filesize
9.9MB

Download
memory/4856-12-0x00000000003B0000-0x00000000003EE000-memory.dmp

Filesize
248KB

Download
memory/4856-10-0x00007FFB35283000-0x00007FFB35284000-memory.dmp

Filesize
4KB

Download
memory/4856-198-0x00007FFB35283000-0x00007FFB35284000-memory.dmp

Filesize
4KB

Download
memory/4856-199-0x00007FFB35280000-0x00007FFB35C6C000-memory.dmp

Filesize
9.9MB

Download