xred | 896f987e0f403251ca9e03c239313ba386532ef4e4331c783753a61513dda630

General

Target

TempFree.exe
Size

1000KB
MD5

cc5f51201874052f462618399a629d74
SHA1

8ad3924bc4311e1ae4f94036c0febf90bd33d91d
SHA256

896f987e0f403251ca9e03c239313ba386532ef4e4331c783753a61513dda630
SHA512

ca4e3579e7072e6baf140c2e2e7729a271d35d812e918d8d2807d5e2f5dfd60e10aa96f9fe2238af06b50f412c277a727889e380b3961643a27d22f23645df73
SSDEEP

12288:TMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V98j2W7tQJ6f+R5hj:TnsJ39LyjbJkQFMhmC+6GD9Mf+7J

Score

10^/10

xred backdoor discovery persistence

Malware Config

Extracted

Family

xred

C2

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

Xred
Xred is backdoor written in Delphi.
backdoor xred
Xred family
xred

Executes dropped EXE 3 IoCs

pid	Process
2540	._cache_TempFree.exe
2788	Synaptics.exe
2800	._cache_Synaptics.exe

Loads dropped DLL 15 IoCs

pid	Process
1420	TempFree.exe
1420	TempFree.exe
1420	TempFree.exe
2788	Synaptics.exe
2788	Synaptics.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
1908	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
1908	WerFault.exe
2980	WerFault.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	TempFree.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1908	2540	WerFault.exe	30
2980	2800	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 5 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TempFree.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_TempFree.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2748	EXCEL.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2748	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2540	1420	TempFree.exe	30
PID 1420 wrote to memory of 2540	1420	TempFree.exe	30
PID 1420 wrote to memory of 2540	1420	TempFree.exe	30
PID 1420 wrote to memory of 2540	1420	TempFree.exe	30
PID 1420 wrote to memory of 2788	1420	TempFree.exe	31
PID 1420 wrote to memory of 2788	1420	TempFree.exe	31
PID 1420 wrote to memory of 2788	1420	TempFree.exe	31
PID 1420 wrote to memory of 2788	1420	TempFree.exe	31
PID 2788 wrote to memory of 2800	2788	Synaptics.exe	32
PID 2788 wrote to memory of 2800	2788	Synaptics.exe	32
PID 2788 wrote to memory of 2800	2788	Synaptics.exe	32
PID 2788 wrote to memory of 2800	2788	Synaptics.exe	32
PID 2800 wrote to memory of 2980	2800	._cache_Synaptics.exe	35
PID 2800 wrote to memory of 2980	2800	._cache_Synaptics.exe	35
PID 2800 wrote to memory of 2980	2800	._cache_Synaptics.exe	35
PID 2800 wrote to memory of 2980	2800	._cache_Synaptics.exe	35
PID 2540 wrote to memory of 1908	2540	._cache_TempFree.exe	34
PID 2540 wrote to memory of 1908	2540	._cache_TempFree.exe	34
PID 2540 wrote to memory of 1908	2540	._cache_TempFree.exe	34
PID 2540 wrote to memory of 1908	2540	._cache_TempFree.exe	34

C:\Users\Admin\AppData\Local\Temp\TempFree.exe
"C:\Users\Admin\AppData\Local\Temp\TempFree.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Users\Admin\AppData\Local\Temp\._cache_TempFree.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_TempFree.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 628
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1908
- 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:2788
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 628
      4⤵
      Loads dropped DLL
      Program crash
      PID:2980

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:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
1000KB

MD5
cc5f51201874052f462618399a629d74

SHA1
8ad3924bc4311e1ae4f94036c0febf90bd33d91d

SHA256
896f987e0f403251ca9e03c239313ba386532ef4e4331c783753a61513dda630

SHA512
ca4e3579e7072e6baf140c2e2e7729a271d35d812e918d8d2807d5e2f5dfd60e10aa96f9fe2238af06b50f412c277a727889e380b3961643a27d22f23645df73

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

Filesize
246KB

MD5
8818bfbb6f733193f987724a4f0efbd6

SHA1
3f2efc98effc616e99ae733cadf64262bf8e93ed

SHA256
0bb4187f97b57c10dba81e80040ff237f4af881dc8061af3c6af2a31ebd43ba2

SHA512
f7c6cdf9b9fac21fa7e5e8b9ff810172125f08f96719c49927ff143515442f0f7112bcdeb070cd5ea507ae8d59fcf54566acc4b9025f583166121ef996d879c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\m2Yhrf82.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/1420-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1420-26-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2540-38-0x0000000000A70000-0x0000000000AB4000-memory.dmp

Filesize
272KB

Download
memory/2748-37-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2788-69-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2788-104-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2800-39-0x0000000001130000-0x0000000001174000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads