xred | 724025e886398ce15f67ca426a924a1a4128106e90c6dd65b88ad79569b06c4d

General

Target

EzCad2.exe
Size

3.5MB
MD5

7256ec660313e2c0a3e3f4d7bb24bd02
SHA1

912a35f1deffe72261de50346b051eae9bba785b
SHA256

724025e886398ce15f67ca426a924a1a4128106e90c6dd65b88ad79569b06c4d
SHA512

73caf399b9a6d6fe365b86220466673adbbebd50b25c5a563c06e5fa4ec2fd51163ee1e1e85dd0ec490bfd487aad67b8bbcf2f1fd0bd09472baa4ed2069b52ab
SSDEEP

98304:unsmtk2afgjYcyjOGa9CWROW6sCxMuYcG10gIR7:wLkgjYcyjOGa9CWROW6sC3Yc4O

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
1048	._cache_EzCad2.exe
1708	Synaptics.exe
2820	._cache_Synaptics.exe

Loads dropped DLL 7 IoCs

pid	Process
2272	EzCad2.exe
2272	EzCad2.exe
2272	EzCad2.exe
2272	EzCad2.exe
1708	Synaptics.exe
1708	Synaptics.exe
1708	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"	EzCad2.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	EzCad2.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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2892	EXCEL.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2892	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1048	2272	EzCad2.exe	30
PID 2272 wrote to memory of 1048	2272	EzCad2.exe	30
PID 2272 wrote to memory of 1048	2272	EzCad2.exe	30
PID 2272 wrote to memory of 1048	2272	EzCad2.exe	30
PID 2272 wrote to memory of 1708	2272	EzCad2.exe	31
PID 2272 wrote to memory of 1708	2272	EzCad2.exe	31
PID 2272 wrote to memory of 1708	2272	EzCad2.exe	31
PID 2272 wrote to memory of 1708	2272	EzCad2.exe	31
PID 1708 wrote to memory of 2820	1708	Synaptics.exe	32
PID 1708 wrote to memory of 2820	1708	Synaptics.exe	32
PID 1708 wrote to memory of 2820	1708	Synaptics.exe	32
PID 1708 wrote to memory of 2820	1708	Synaptics.exe	32

C:\Users\Admin\AppData\Local\Temp\EzCad2.exe
"C:\Users\Admin\AppData\Local\Temp\EzCad2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\._cache_EzCad2.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_EzCad2.exe"
  2⤵
  - Executes dropped EXE
  PID:1048
- 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:1708
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    PID:2820

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:2892

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
3.5MB

MD5
7256ec660313e2c0a3e3f4d7bb24bd02

SHA1
912a35f1deffe72261de50346b051eae9bba785b

SHA256
724025e886398ce15f67ca426a924a1a4128106e90c6dd65b88ad79569b06c4d

SHA512
73caf399b9a6d6fe365b86220466673adbbebd50b25c5a563c06e5fa4ec2fd51163ee1e1e85dd0ec490bfd487aad67b8bbcf2f1fd0bd09472baa4ed2069b52ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\ueRoCCa1.xlsm

Filesize
24KB

MD5
ccfc1d6263dc3a1603db2cefc847c71e

SHA1
cfd41c9f567fda97d0b8584e33306f432a50b032

SHA256
a193715639da27e882b41a913e33da84a0228c8a54686ee6f5ce456be3ca5579

SHA512
0b15d7e276c6508858fffc61d49442397fb17639c6f3026d228e45b03cbb3d803d1b8021ae547865c2b21d414424960a50a0d78f3706bbe59235fb6531d235ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\ueRoCCa1.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_EzCad2.exe

Filesize
2.7MB

MD5
82fc900a0e265ee80800189eaf21cc47

SHA1
45d0731aae6ff97a2521c0da4f4e99264baa5b25

SHA256
24a7ea47e0967482366606cacb82d405a692c67520098c86a7c6394ded7aebeb

SHA512
60be5bca76d326c2c2c5cc9fea079f724b90c5a9bbe4e424adfcb305f78b93e998697fd7c0be8d6f6ff684acbd611a795e671e34624583ec775a8bf9446c1449

Download Submit
memory/1708-41-0x0000000000400000-0x000000000077C000-memory.dmp

Filesize
3.5MB

Download
memory/1708-85-0x0000000000400000-0x000000000077C000-memory.dmp

Filesize
3.5MB

Download
memory/1708-86-0x0000000000400000-0x000000000077C000-memory.dmp

Filesize
3.5MB

Download
memory/1708-118-0x0000000000400000-0x000000000077C000-memory.dmp

Filesize
3.5MB

Download
memory/2272-0-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2272-27-0x0000000000400000-0x000000000077C000-memory.dmp

Filesize
3.5MB

Download
memory/2892-42-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads