xred | 8700a1371346e810a89948dc80b65122bb1f677b9d88339785a066936e734e32

Analysis

max time kernel
141s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 01:45

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General

Target

crak.exe
Size

785KB
MD5

dfc6ae92052a49de0002b32f380c06cd
SHA1

f8e70b1d068bba9897f5e6176a8b41317ee9291f
SHA256

8700a1371346e810a89948dc80b65122bb1f677b9d88339785a066936e734e32
SHA512

811699fb9598382b866cd12f8cb933ff000f1dc61d38a7c3b15306c14cc0e0a604f92f66792192507caa2fd868cb57e0adade5f4af4d53c9bfafbaf1fa548066
SSDEEP

12288:GMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9CVAs:GnsJ39LyjbJkQFMhmC+6GD9Cd

Score

10^/10

xred xworm backdoor discovery execution macro persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

youth-latex.gl.at.ply.gg:56149

Mutex

m78oMduNeAzz7M6C

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Extracted

Family

xred

xred.mooo.com

Attributes

email
[email protected]
payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

http://xred.site50.net/syn/SUpdate.ini

https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

http://xred.site50.net/syn/Synaptics.rar

https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

http://xred.site50.net/syn/SSLLibrary.dll

Signatures

Detect Xworm Payload 10 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012291-4.dat	family_xworm
behavioral1/files/0x0007000000016ca5-12.dat	family_xworm
behavioral1/memory/2972-25-0x0000000000400000-0x00000000004CA000-memory.dmp	family_xworm
behavioral1/memory/1028-28-0x00000000003C0000-0x00000000003D0000-memory.dmp	family_xworm
behavioral1/memory/2744-36-0x0000000001050000-0x0000000001060000-memory.dmp	family_xworm
behavioral1/memory/1820-133-0x0000000000400000-0x00000000004CA000-memory.dmp	family_xworm
behavioral1/memory/1820-134-0x0000000000400000-0x00000000004CA000-memory.dmp	family_xworm
behavioral1/memory/2832-170-0x0000000000950000-0x0000000000960000-memory.dmp	family_xworm
behavioral1/memory/1820-171-0x0000000000400000-0x00000000004CA000-memory.dmp	family_xworm
behavioral1/memory/2180-178-0x0000000000A40000-0x0000000000A50000-memory.dmp	family_xworm

Xred
Xred is backdoor written in Delphi.
backdoor xred
Xred family
xred
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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
2116	powershell.exe
1588	powershell.exe
2352	powershell.exe
2124	powershell.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

resource
behavioral1/files/0x000600000001937b-98.dat

Drops startup file 2 IoCs

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

Executes dropped EXE 5 IoCs

pid	Process
1028	._cache_crak.exe
1820	Synaptics.exe
2744	._cache_Synaptics.exe
2832	boost
2180	boost

Loads dropped DLL 5 IoCs

pid	Process
2972	crak.exe
2972	crak.exe
2972	crak.exe
1820	Synaptics.exe
1820	Synaptics.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\????? = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	crak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\boost = "C:\\Users\\Admin\\AppData\\Roaming\\boost"	._cache_Synaptics.exe

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 3 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	crak.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1504	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2328	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2116	powershell.exe
1588	powershell.exe
2352	powershell.exe
2124	powershell.exe
2744	._cache_Synaptics.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	._cache_Synaptics.exe
Token: SeDebugPrivilege	1028	._cache_crak.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	1588	powershell.exe
Token: SeDebugPrivilege	2352	powershell.exe
Token: SeDebugPrivilege	2124	powershell.exe
Token: SeDebugPrivilege	2744	._cache_Synaptics.exe
Token: SeDebugPrivilege	2832	boost
Token: SeDebugPrivilege	2180	boost

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2328	EXCEL.EXE
2744	._cache_Synaptics.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1028	2972	crak.exe	30
PID 2972 wrote to memory of 1028	2972	crak.exe	30
PID 2972 wrote to memory of 1028	2972	crak.exe	30
PID 2972 wrote to memory of 1028	2972	crak.exe	30
PID 2972 wrote to memory of 1820	2972	crak.exe	31
PID 2972 wrote to memory of 1820	2972	crak.exe	31
PID 2972 wrote to memory of 1820	2972	crak.exe	31
PID 2972 wrote to memory of 1820	2972	crak.exe	31
PID 1820 wrote to memory of 2744	1820	Synaptics.exe	32
PID 1820 wrote to memory of 2744	1820	Synaptics.exe	32
PID 1820 wrote to memory of 2744	1820	Synaptics.exe	32
PID 1820 wrote to memory of 2744	1820	Synaptics.exe	32
PID 2744 wrote to memory of 2116	2744	._cache_Synaptics.exe	35
PID 2744 wrote to memory of 2116	2744	._cache_Synaptics.exe	35
PID 2744 wrote to memory of 2116	2744	._cache_Synaptics.exe	35
PID 2744 wrote to memory of 1588	2744	._cache_Synaptics.exe	37
PID 2744 wrote to memory of 1588	2744	._cache_Synaptics.exe	37
PID 2744 wrote to memory of 1588	2744	._cache_Synaptics.exe	37
PID 2744 wrote to memory of 2352	2744	._cache_Synaptics.exe	39
PID 2744 wrote to memory of 2352	2744	._cache_Synaptics.exe	39
PID 2744 wrote to memory of 2352	2744	._cache_Synaptics.exe	39
PID 2744 wrote to memory of 2124	2744	._cache_Synaptics.exe	41
PID 2744 wrote to memory of 2124	2744	._cache_Synaptics.exe	41
PID 2744 wrote to memory of 2124	2744	._cache_Synaptics.exe	41
PID 2744 wrote to memory of 1504	2744	._cache_Synaptics.exe	43
PID 2744 wrote to memory of 1504	2744	._cache_Synaptics.exe	43
PID 2744 wrote to memory of 1504	2744	._cache_Synaptics.exe	43
PID 1788 wrote to memory of 2832	1788	taskeng.exe	49
PID 1788 wrote to memory of 2832	1788	taskeng.exe	49
PID 1788 wrote to memory of 2832	1788	taskeng.exe	49
PID 1788 wrote to memory of 2180	1788	taskeng.exe	50
PID 1788 wrote to memory of 2180	1788	taskeng.exe	50
PID 1788 wrote to memory of 2180	1788	taskeng.exe	50

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\crak.exe
"C:\Users\Admin\AppData\Local\Temp\crak.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\._cache_crak.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_crak.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1028
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1820
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - 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:2744
  - - 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\._cache_Synaptics.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2116
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '._cache_Synaptics.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1588
  - - 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\boost'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2352
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'boost'
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2124
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "boost" /tr "C:\Users\Admin\AppData\Roaming\boost"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1504

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2328

C:\Windows\system32\taskeng.exe
taskeng.exe {2177EB6F-0CE5-4B68-BBF4-FE7066EBBBDB} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Roaming\boost
  C:\Users\Admin\AppData\Roaming\boost
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- C:\Users\Admin\AppData\Roaming\boost
  C:\Users\Admin\AppData\Roaming\boost
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
785KB

MD5
dfc6ae92052a49de0002b32f380c06cd

SHA1
f8e70b1d068bba9897f5e6176a8b41317ee9291f

SHA256
8700a1371346e810a89948dc80b65122bb1f677b9d88339785a066936e734e32

SHA512
811699fb9598382b866cd12f8cb933ff000f1dc61d38a7c3b15306c14cc0e0a604f92f66792192507caa2fd868cb57e0adade5f4af4d53c9bfafbaf1fa548066

Download Submit
C:\Users\Admin\AppData\Local\Temp\aoyVw4FQ.xlsm

Filesize
24KB

MD5
ff5f74d50799c944fea78948089401f2

SHA1
39019cf0fd0b953346db2f0adde281868e0b33b3

SHA256
12751bc9382243eef97849d9bed871e30cd2f6f6fdbff840ccd2c76a6c9115ce

SHA512
2e5387254523d60aa34d99dcc9c93fa6bc02ba02ad79e175eafd8202b365a53ac02cab0b84b201e99f77a85c2eebcd1dce65ae5dc95200c57349f132abd838d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\aoyVw4FQ.xlsm

Filesize
24KB

MD5
4672a7bdb27ea98728ba4d7e87d74a4d

SHA1
0fd5ff50be977c506c5879b816b27bb35267768d

SHA256
1e5f428d8a47d16402e1f6e699a31befeb7ebf5e224d4b25da91b49f0fd1474a

SHA512
30679a7f01f67723e49614d4e0e0b88bce97aaa1c6a1b42f53defa240b747976b40f00b7e7fa3e0774a260b7e91c767559a0d80e12f697f0c061339a41199a5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\aoyVw4FQ.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
C:\Users\Admin\AppData\Local\Temp\aoyVw4FQ.xlsm

Filesize
22KB

MD5
45dfbe674d58e566e50a5b62e20b9f32

SHA1
1856b6c4c3850c2b2ad6793f2ef73d3ba5e02c8f

SHA256
39a678656871d3a676cb6c2539d17a3096376b051006ac25fe04008f3ffce7d7

SHA512
d16b45bfbbcf0ef031d83ce78fa25d6a813e7c1109cf4a3be748166e06bb3932c5478e0f07c7d46cff86350d1dd4318d62d69f0f576fa9cffb0f695f38c06384

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
214f69d4c248aafeeeb4561a40dff0ec

SHA1
ed601322f7a84751ad2b14e7cdee60fd44fedb9e

SHA256
48c99bb090e4b0412915e3220cef01a16f026e934221de6aa3c880086774ddd6

SHA512
9b3731304d7c9a33dba9e67a8878041ac58bf80a52a88ef4e7f62c429520a5308a6ee41676b641458ba06426b3bb7cd01e30d3e7603c92444879dbd980205a48

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_crak.exe

Filesize
40KB

MD5
0dc3261f2fd9b3e49149fb9a3cb95920

SHA1
5b7e1457c30d7e0571e54c962523db847995e198

SHA256
ddf493558334dac380b872a06a68490b4bbf9fc114a7b9f98f575d8abebed167

SHA512
5fd590c55e91ad90287d20ce2befa8521d4aa775e1aef6888a0739890969e7c7b8ef22f456e264dcbf29d5c059592aaca58688b7a51ff17af9e2f81bbd091ef1

Download Submit
memory/1028-28-0x00000000003C0000-0x00000000003D0000-memory.dmp

Filesize
64KB

Download
memory/1588-114-0x000000001B7A0000-0x000000001BA82000-memory.dmp

Filesize
2.9MB

Download
memory/1588-115-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/1820-134-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1820-171-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1820-133-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2116-107-0x000000001B680000-0x000000001B962000-memory.dmp

Filesize
2.9MB

Download
memory/2116-108-0x0000000001D90000-0x0000000001D98000-memory.dmp

Filesize
32KB

Download
memory/2124-129-0x000000001B4C0000-0x000000001B7A2000-memory.dmp

Filesize
2.9MB

Download
memory/2180-178-0x0000000000A40000-0x0000000000A50000-memory.dmp

Filesize
64KB

Download
memory/2328-37-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2328-102-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2352-122-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2352-121-0x000000001B670000-0x000000001B952000-memory.dmp

Filesize
2.9MB

Download
memory/2744-36-0x0000000001050000-0x0000000001060000-memory.dmp

Filesize
64KB

Download
memory/2832-170-0x0000000000950000-0x0000000000960000-memory.dmp

Filesize
64KB

Download
memory/2972-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2972-25-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download