xred | 01c01aa0d42d7a8a6ea3776e64ef993bbcab95324db8e12f7a2fc6b7f35ff27c

General

Target

RunSidChanger.exe
Size

761KB
MD5

783e96c31faa2ae3b0fcde248670244c
SHA1

01dd24d3c872e9694521981e0ad1142ea6033657
SHA256

01c01aa0d42d7a8a6ea3776e64ef993bbcab95324db8e12f7a2fc6b7f35ff27c
SHA512

a23cb99377a4b6c8ab83ecfa80e26d7e5e834a83bca044ad1e66d4592a99500fad4b881208c85fb8ddceef6cbabedd8b826e862c0cf5545ea465e486ed001c34
SSDEEP

12288:SMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9goj:SnsJ39LyjbJkQFMhmC+6GD97

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
2196	._cache_RunSidChanger.exe
2732	Synaptics.exe
2664	._cache_Synaptics.exe

Loads dropped DLL 5 IoCs

pid	Process
2092	RunSidChanger.exe
2092	RunSidChanger.exe
2092	RunSidChanger.exe
2732	Synaptics.exe
2732	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"	RunSidChanger.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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RunSidChanger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_RunSidChanger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	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
1852	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2196	._cache_RunSidChanger.exe
Token: SeDebugPrivilege	2664	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1852	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2196	2092	RunSidChanger.exe	30
PID 2092 wrote to memory of 2196	2092	RunSidChanger.exe	30
PID 2092 wrote to memory of 2196	2092	RunSidChanger.exe	30
PID 2092 wrote to memory of 2196	2092	RunSidChanger.exe	30
PID 2092 wrote to memory of 2732	2092	RunSidChanger.exe	32
PID 2092 wrote to memory of 2732	2092	RunSidChanger.exe	32
PID 2092 wrote to memory of 2732	2092	RunSidChanger.exe	32
PID 2092 wrote to memory of 2732	2092	RunSidChanger.exe	32
PID 2732 wrote to memory of 2664	2732	Synaptics.exe	33
PID 2732 wrote to memory of 2664	2732	Synaptics.exe	33
PID 2732 wrote to memory of 2664	2732	Synaptics.exe	33
PID 2732 wrote to memory of 2664	2732	Synaptics.exe	33

C:\Users\Admin\AppData\Local\Temp\RunSidChanger.exe
"C:\Users\Admin\AppData\Local\Temp\RunSidChanger.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\._cache_RunSidChanger.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_RunSidChanger.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2196
- 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:2732
- - 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 AdjustPrivilegeToken
    PID:2664

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:1852

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
761KB

MD5
783e96c31faa2ae3b0fcde248670244c

SHA1
01dd24d3c872e9694521981e0ad1142ea6033657

SHA256
01c01aa0d42d7a8a6ea3776e64ef993bbcab95324db8e12f7a2fc6b7f35ff27c

SHA512
a23cb99377a4b6c8ab83ecfa80e26d7e5e834a83bca044ad1e66d4592a99500fad4b881208c85fb8ddceef6cbabedd8b826e862c0cf5545ea465e486ed001c34

Download Submit
C:\Users\Admin\AppData\Local\Temp\Kkv5nSRu.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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

Filesize
7KB

MD5
e8f3d90e5d54ed8240faaa651651d987

SHA1
6233d3a7fc977f55f6f78a623ab197da8055360c

SHA256
d14dd8f9eef56f31c8a2ea3a77e21cef9781f8c160d7c336fae1999d97cca028

SHA512
42c4af736c75f20374035f814543bbb6f9bbc4a6cd5f14eb22c4780029e0b2b83e02a564d4239f2875f70b506ab6ee580ab479eeb8110903d80a5dc47e3fd6cc

Download Submit
memory/1852-40-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2092-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2092-28-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2196-60-0x00000000735BE000-0x00000000735BF000-memory.dmp

Filesize
4KB

Download
memory/2196-19-0x0000000000ED0000-0x0000000000ED8000-memory.dmp

Filesize
32KB

Download
memory/2196-18-0x00000000735BE000-0x00000000735BF000-memory.dmp

Filesize
4KB

Download
memory/2664-39-0x00000000011A0000-0x00000000011A8000-memory.dmp

Filesize
32KB

Download
memory/2732-61-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2732-62-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/2732-96-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads