xred | f72e986599e8e656b8a98c4a401d15397a64179a2e2f31ca5d0464347cb033dc

General

Target

J8.exe
Size

1021KB
MD5

f4637cac3f11c5854d0ead9e14543e08
SHA1

fc089128a7ea8f95dc2f65609058b150c0c503f3
SHA256

f72e986599e8e656b8a98c4a401d15397a64179a2e2f31ca5d0464347cb033dc
SHA512

fada0ff10c8e7c73b8789ad5cc0814714c8ea67ce9184fb93d4e3f27ab92f9c7365a6caea2e61349bc79d76a44596989480e1430ca1f65113639e8ac7aca7224
SSDEEP

24576:HnsJ39LyjbJkQFMhmC+6GD9zY9n8UjFxPTSiVh:HnsHyjtk2MYC5GDpg8gVTSmh

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
1708	._cache_J8.exe
2876	Synaptics.exe
3020	._cache_Synaptics.exe

Loads dropped DLL 7 IoCs

pid	Process
524	J8.exe
524	J8.exe
524	J8.exe
524	J8.exe
2876	Synaptics.exe
2876	Synaptics.exe
2876	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"	J8.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	._cache_J8.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	J8.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
2756	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1708	._cache_J8.exe
3020	._cache_Synaptics.exe
2756	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 1708	524	J8.exe	31
PID 524 wrote to memory of 1708	524	J8.exe	31
PID 524 wrote to memory of 1708	524	J8.exe	31
PID 524 wrote to memory of 1708	524	J8.exe	31
PID 524 wrote to memory of 2876	524	J8.exe	32
PID 524 wrote to memory of 2876	524	J8.exe	32
PID 524 wrote to memory of 2876	524	J8.exe	32
PID 524 wrote to memory of 2876	524	J8.exe	32
PID 2876 wrote to memory of 3020	2876	Synaptics.exe	33
PID 2876 wrote to memory of 3020	2876	Synaptics.exe	33
PID 2876 wrote to memory of 3020	2876	Synaptics.exe	33
PID 2876 wrote to memory of 3020	2876	Synaptics.exe	33

C:\Users\Admin\AppData\Local\Temp\J8.exe
"C:\Users\Admin\AppData\Local\Temp\J8.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:524
- C:\Users\Admin\AppData\Local\Temp\._cache_J8.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_J8.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1708
- 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:2876
- - 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 SetWindowsHookEx
    PID:3020

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:2756

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
1021KB

MD5
f4637cac3f11c5854d0ead9e14543e08

SHA1
fc089128a7ea8f95dc2f65609058b150c0c503f3

SHA256
f72e986599e8e656b8a98c4a401d15397a64179a2e2f31ca5d0464347cb033dc

SHA512
fada0ff10c8e7c73b8789ad5cc0814714c8ea67ce9184fb93d4e3f27ab92f9c7365a6caea2e61349bc79d76a44596989480e1430ca1f65113639e8ac7aca7224

Download Submit
C:\Users\Admin\AppData\Local\Temp\RYJr59MX.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_J8.exe

Filesize
268KB

MD5
63e6dafd959a03a63ae3f099ed3c068e

SHA1
a67ae5d6c3cbd3e6fc9470a7e06d9ba07b53815d

SHA256
637a785547c594b6d7cae42b27e7ab203900f1afafc3a42daa73542bdda6f6e3

SHA512
a219242f313af2d8ba4cbb9fdaa5c61b9bfd57eb5447801383021e61c623824ca1b19bf90424fd92d93d53adee56c7d7a7e9083a4c2cca15e6b72230415b495e

Download Submit
memory/524-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/524-28-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/2756-41-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2876-61-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/2876-62-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download
memory/2876-94-0x0000000000400000-0x0000000000505000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads