xred | 6607cc8e27767479f97d55d7f4e8073589836bd5bf832ae951f3b565ab0541e3

General

Target

SolaraBootstrapper.exe
Size

766KB
MD5

d994d58e87f0deda637e325d0a54a347
SHA1

8b72ea95b3569ba1ca12cb7ead4edd6e5694614d
SHA256

6607cc8e27767479f97d55d7f4e8073589836bd5bf832ae951f3b565ab0541e3
SHA512

cc9959f52a5c55644b85a24d203137ad43408014ea63bf453bd2b36b7a1ad9f937f5e2cae45f6c6a5c732a5928d9edf14f00e768a5584e43ca1c70c7cef94ca9
SSDEEP

12288:GMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9i8Oj:GnsJ39LyjbJkQFMhmC+6GD9i

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
2392	._cache_SolaraBootstrapper.exe
2712	Synaptics.exe
2876	._cache_Synaptics.exe

Loads dropped DLL 5 IoCs

pid	Process
2080	SolaraBootstrapper.exe
2080	SolaraBootstrapper.exe
2080	SolaraBootstrapper.exe
2712	Synaptics.exe
2712	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"	SolaraBootstrapper.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
7	raw.githubusercontent.com
9	raw.githubusercontent.com
11	raw.githubusercontent.com

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	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SolaraBootstrapper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_SolaraBootstrapper.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
2624	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2392	._cache_SolaraBootstrapper.exe
2392	._cache_SolaraBootstrapper.exe
2876	._cache_Synaptics.exe
2876	._cache_Synaptics.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	._cache_SolaraBootstrapper.exe
Token: SeDebugPrivilege	2876	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2624	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2392	2080	SolaraBootstrapper.exe	31
PID 2080 wrote to memory of 2392	2080	SolaraBootstrapper.exe	31
PID 2080 wrote to memory of 2392	2080	SolaraBootstrapper.exe	31
PID 2080 wrote to memory of 2392	2080	SolaraBootstrapper.exe	31
PID 2080 wrote to memory of 2712	2080	SolaraBootstrapper.exe	33
PID 2080 wrote to memory of 2712	2080	SolaraBootstrapper.exe	33
PID 2080 wrote to memory of 2712	2080	SolaraBootstrapper.exe	33
PID 2080 wrote to memory of 2712	2080	SolaraBootstrapper.exe	33
PID 2712 wrote to memory of 2876	2712	Synaptics.exe	34
PID 2712 wrote to memory of 2876	2712	Synaptics.exe	34
PID 2712 wrote to memory of 2876	2712	Synaptics.exe	34
PID 2712 wrote to memory of 2876	2712	Synaptics.exe	34

C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\SolaraBootstrapper.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\._cache_SolaraBootstrapper.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_SolaraBootstrapper.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2392
- 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:2712
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2876

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:2624

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

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
766KB

MD5
d994d58e87f0deda637e325d0a54a347

SHA1
8b72ea95b3569ba1ca12cb7ead4edd6e5694614d

SHA256
6607cc8e27767479f97d55d7f4e8073589836bd5bf832ae951f3b565ab0541e3

SHA512
cc9959f52a5c55644b85a24d203137ad43408014ea63bf453bd2b36b7a1ad9f937f5e2cae45f6c6a5c732a5928d9edf14f00e768a5584e43ca1c70c7cef94ca9

Download Submit
C:\Users\Admin\AppData\Local\Temp\jygFiN1T.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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

Filesize
13KB

MD5
6557bd5240397f026e675afb78544a26

SHA1
839e683bf68703d373b6eac246f19386bb181713

SHA256
a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239

SHA512
f2399d34898a4c0c201372d2dd084ee66a66a1c3eae949e568421fe7edada697468ef81f4fcab2afd61eaf97bcb98d6ade2d97295e2f674e93116d142e892e97

Download Submit
memory/2080-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2080-25-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2392-29-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/2624-39-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2712-59-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2712-60-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2712-92-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2876-38-0x0000000001260000-0x000000000126A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads