xred | 6eb643eb56e8fbff11276d23354b6b473bc252464d3ef7b98ec8cbbd57792f8e

General

Target

FileGrab.exe
Size

802KB
MD5

f4d902e70524666a52182720fe208ab1
SHA1

33774655d0fc10bccd652e95b18fb428dcd80a38
SHA256

6eb643eb56e8fbff11276d23354b6b473bc252464d3ef7b98ec8cbbd57792f8e
SHA512

5bf37506097654f384f12f2d90fc9888f0bb5eaa548033a616ed16cbc90fd7a6483aa1b74f7423925e11f7f826e42d5373ac1c88ab7b049e63e23288ac656d65
SSDEEP

12288:2MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V935lC6FOj:2nsJ39LyjbJkQFMhmC+6GD9q6Fq

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
2752	._cache_FileGrab.exe
2556	Synaptics.exe
2608	._cache_Synaptics.exe

Loads dropped DLL 5 IoCs

pid	Process
2996	FileGrab.exe
2996	FileGrab.exe
2996	FileGrab.exe
2556	Synaptics.exe
2556	Synaptics.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"	FileGrab.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 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	FileGrab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_FileGrab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2620	EXCEL.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2620	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2752	2996	FileGrab.exe	30
PID 2996 wrote to memory of 2752	2996	FileGrab.exe	30
PID 2996 wrote to memory of 2752	2996	FileGrab.exe	30
PID 2996 wrote to memory of 2752	2996	FileGrab.exe	30
PID 2996 wrote to memory of 2556	2996	FileGrab.exe	31
PID 2996 wrote to memory of 2556	2996	FileGrab.exe	31
PID 2996 wrote to memory of 2556	2996	FileGrab.exe	31
PID 2996 wrote to memory of 2556	2996	FileGrab.exe	31
PID 2556 wrote to memory of 2608	2556	Synaptics.exe	32
PID 2556 wrote to memory of 2608	2556	Synaptics.exe	32
PID 2556 wrote to memory of 2608	2556	Synaptics.exe	32
PID 2556 wrote to memory of 2608	2556	Synaptics.exe	32

C:\Users\Admin\AppData\Local\Temp\FileGrab.exe
"C:\Users\Admin\AppData\Local\Temp\FileGrab.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Users\Admin\AppData\Local\Temp\._cache_FileGrab.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_FileGrab.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2556
- - 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
    PID:2608

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:2620

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
802KB

MD5
f4d902e70524666a52182720fe208ab1

SHA1
33774655d0fc10bccd652e95b18fb428dcd80a38

SHA256
6eb643eb56e8fbff11276d23354b6b473bc252464d3ef7b98ec8cbbd57792f8e

SHA512
5bf37506097654f384f12f2d90fc9888f0bb5eaa548033a616ed16cbc90fd7a6483aa1b74f7423925e11f7f826e42d5373ac1c88ab7b049e63e23288ac656d65

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

Filesize
49KB

MD5
27f87ebebb071afec1891e00fd0700a4

SHA1
fbfc0a10ecf83da88df02356568bcac2399b3b9d

SHA256
11b8cdd387370de1d162516b82376ecf28d321dc8f46ebcce389dccc2a5a4cc9

SHA512
5386cae4eef9b767082d1143962851727479295b75321e07927bf7ebd60c5e051aeb78d6fa306ed6ef1c1d0182a16f1132a23263aefe9ed5d9d446b70b43a25d

Download Submit
C:\Users\Admin\AppData\Local\Temp\kaDA8ClN.xlsm

Filesize
27KB

MD5
b2c544ed0dd370e3386388162a2c4986

SHA1
56469173b447c2288b19d59845022bb7a3afe958

SHA256
4d9c3b50f60f681d04ea5c35de0d8d8bfe32df9f4e5068cac5a485b08eeb602b

SHA512
2d67c560ae65db20a956ec02622bcc8f2e3c3b894bd538849ee7b8c64a72a660db33dd2d686699ceddbe1ad9257fadcbf2f88bd6996da386b6bde29a3039d61d

Download Submit
C:\Users\Admin\AppData\Local\Temp\kaDA8ClN.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/2556-38-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2556-83-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2556-84-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2556-118-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2620-40-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2752-39-0x0000000000680000-0x00000000006C0000-memory.dmp

Filesize
256KB

Download
memory/2752-19-0x0000000000680000-0x00000000006C0000-memory.dmp

Filesize
256KB

Download
memory/2996-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2996-27-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads