xred | b5b1f5fa5d43d0deddd368f6a16000a21e2fd1b6a7a2616acf0710fd30b7062e

General

Target

TempPerm1.exe
Size

2.5MB
MD5

21f6c0f608202615f141499e0b9238f8
SHA1

29b41725e9a3b6f4f4ab3eb4b444c7fa6bfc84ef
SHA256

b5b1f5fa5d43d0deddd368f6a16000a21e2fd1b6a7a2616acf0710fd30b7062e
SHA512

9221f37decf63c0e814527a96aaba65aa907a62474c631c2f9f1ce0b220f6409614af5d9ca81d956da8bec39eec06cd2eaa3684b22f4398dd411cb7ce2615320
SSDEEP

49152:+nsHyjtk2MYC5GDu0C2lkASpEITYbNbNWo4kSH3OqtwImAanC:+nsmtk2aWCKkRpEIT4bNJFY3Oqt6AWC

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
2492	._cache_TempPerm1.exe
2896	Synaptics.exe
2096	._cache_Synaptics.exe

Loads dropped DLL 5 IoCs

pid	Process
2772	TempPerm1.exe
2772	TempPerm1.exe
2772	TempPerm1.exe
2896	Synaptics.exe
2896	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"	TempPerm1.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_TempPerm1.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	TempPerm1.exe

Enumerates system info in registry 2 TTPs 7 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	._cache_TempPerm1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	._cache_TempPerm1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	._cache_TempPerm1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	._cache_Synaptics.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	._cache_Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1236	EXCEL.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1236	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2492	2772	TempPerm1.exe	30
PID 2772 wrote to memory of 2492	2772	TempPerm1.exe	30
PID 2772 wrote to memory of 2492	2772	TempPerm1.exe	30
PID 2772 wrote to memory of 2492	2772	TempPerm1.exe	30
PID 2772 wrote to memory of 2896	2772	TempPerm1.exe	31
PID 2772 wrote to memory of 2896	2772	TempPerm1.exe	31
PID 2772 wrote to memory of 2896	2772	TempPerm1.exe	31
PID 2772 wrote to memory of 2896	2772	TempPerm1.exe	31
PID 2896 wrote to memory of 2096	2896	Synaptics.exe	32
PID 2896 wrote to memory of 2096	2896	Synaptics.exe	32
PID 2896 wrote to memory of 2096	2896	Synaptics.exe	32
PID 2896 wrote to memory of 2096	2896	Synaptics.exe	32

C:\Users\Admin\AppData\Local\Temp\TempPerm1.exe
"C:\Users\Admin\AppData\Local\Temp\TempPerm1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\._cache_TempPerm1.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_TempPerm1.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  PID:2492
- 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:2896
- - 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
    - Enumerates system info in registry
    PID:2096

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:1236

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
2.5MB

MD5
21f6c0f608202615f141499e0b9238f8

SHA1
29b41725e9a3b6f4f4ab3eb4b444c7fa6bfc84ef

SHA256
b5b1f5fa5d43d0deddd368f6a16000a21e2fd1b6a7a2616acf0710fd30b7062e

SHA512
9221f37decf63c0e814527a96aaba65aa907a62474c631c2f9f1ce0b220f6409614af5d9ca81d956da8bec39eec06cd2eaa3684b22f4398dd411cb7ce2615320

Download Submit
C:\Users\Admin\AppData\Local\Temp\c3jCpvpZ.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
\Users\Admin\AppData\Local\Temp\._cache_TempPerm1.exe

Filesize
1.8MB

MD5
02e2011ab01fac81d4b8b2097f488ca1

SHA1
5539e5a7b7ee674f06810b9e8d0ba67872491573

SHA256
cd7e41494768b82ddb16d6dc97f90f75600424bf18e8b05f5ce007e9d136b38e

SHA512
89feb543037b7cb5f999767864741798820f0198995380b348a7e18d6e88209e3fc3a69a5a6dd28f93383a84eb636a3ac3bd5fdf5f2d8f4658a0b91415b90086

Download Submit
memory/1236-40-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2096-39-0x0000000000880000-0x0000000000A50000-memory.dmp

Filesize
1.8MB

Download
memory/2096-42-0x0000000004FB0000-0x00000000051C4000-memory.dmp

Filesize
2.1MB

Download
memory/2492-20-0x0000000000060000-0x0000000000230000-memory.dmp

Filesize
1.8MB

Download
memory/2492-18-0x0000000073AFE000-0x0000000073AFF000-memory.dmp

Filesize
4KB

Download
memory/2492-61-0x0000000073AFE000-0x0000000073AFF000-memory.dmp

Filesize
4KB

Download
memory/2772-28-0x0000000000400000-0x000000000068B000-memory.dmp

Filesize
2.5MB

Download
memory/2772-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2896-62-0x0000000000400000-0x000000000068B000-memory.dmp

Filesize
2.5MB

Download
memory/2896-63-0x0000000000400000-0x000000000068B000-memory.dmp

Filesize
2.5MB

Download
memory/2896-97-0x0000000000400000-0x000000000068B000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads