xred | 59ac4d3651037ac2f0def7035bf845a178e4420b3ce1df183f40b230e1fc0d32

General

Target

down.exe
Size

1.8MB
MD5

e051a9d8e9e23c07a111d6ec74b0c4d0
SHA1

e8d3096606c5174149f9a934ea202c1d7e721d62
SHA256

59ac4d3651037ac2f0def7035bf845a178e4420b3ce1df183f40b230e1fc0d32
SHA512

2e022e7b429743875d789b032972b1689cd890d87a982c918738c02e82f6881ae07581cdfab979aca2a73bdac570455ac0575052c434fbebfa92400bb21cb291
SSDEEP

24576:ynsJ39LyjbJkQFMhmC+6GD9KDAX4kuIB8U73qdkR2zEVeUpcZZ7pw:ynsHyjtk2MYC5GDgrk+i3qyBkEchw

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
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

down.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4074627901-37362009-3519777259-1000\Control Panel\International\Geo\Nation down.exe
Executes dropped EXE 2 IoCs

Processes:

._cache_down.exeSynaptics.exe

pid process

2348 ._cache_down.exe
4524 Synaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4074627901-37362009-3519777259-1000\Control Panel\International\Geo\Nation	down.exe

pid	process
2348	._cache_down.exe
4524	Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

down.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	down.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

Processes:

down.exe._cache_down.exeSynaptics.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	down.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_down.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

down.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ down.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3308 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

._cache_down.exeEXCEL.EXE

pid process

2348 ._cache_down.exe
2348 ._cache_down.exe
3308 EXCEL.EXE
3308 EXCEL.EXE
3308 EXCEL.EXE
3308 EXCEL.EXE
3308 EXCEL.EXE
3308 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	down.exe

pid	process
3308	EXCEL.EXE

pid	process
2348	._cache_down.exe
2348	._cache_down.exe
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE
3308	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

down.exe

description	pid	process	target process
PID 3256 wrote to memory of 2348	3256	down.exe	._cache_down.exe
PID 3256 wrote to memory of 2348	3256	down.exe	._cache_down.exe
PID 3256 wrote to memory of 2348	3256	down.exe	._cache_down.exe
PID 3256 wrote to memory of 4524	3256	down.exe	Synaptics.exe
PID 3256 wrote to memory of 4524	3256	down.exe	Synaptics.exe
PID 3256 wrote to memory of 4524	3256	down.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\down.exe
"C:\Users\Admin\AppData\Local\Temp\down.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Users\Admin\AppData\Local\Temp\._cache_down.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_down.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2348
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4524

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3308

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

3

T1012

System Information Discovery

4

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
753KB

MD5
d547e017b6c1378ba4afe6ce3178001f

SHA1
c317a88fbc02704ffe4f2a2ac67cbd44baf954bd

SHA256
41186731dd7c62434f2ff765a5695b4af7827f757701e1d00d2dbaa7e31b7485

SHA512
50c8bd5c5eb3df6f56790498b088b19f3ad0e225911f712cc3f5be4f295ee1e4d95711bb58f513a0499dd11aa297980f0bae3477538ea1c085db0c7e69e4f59a

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_down.exe

Filesize
1.1MB

MD5
826caa4feeeade758d2a78366857e220

SHA1
b56eebcd9210f710df9e435fa872e0fbdd2a3ed8

SHA256
717c75dcbd4862e3f5c1a744fc445385bd7b920496988b3759ee6a47b5d3e080

SHA512
1738bdfe1728e461f9622e5390966d84022d2cbb6bb50dbacaec5d127a475f87c95e287e7a245fb7b9e835dd7e143896d1548f191a11c7ea456f7c6c35dc0f79

Download Submit
C:\Users\Admin\AppData\Local\Temp\3E775E00

Filesize
21KB

MD5
0a681f095d468a9de6e717e1a6033bd2

SHA1
5ded59234b49c0094b596a5dcceee09b6b413a41

SHA256
a44f22d1836e0efca797414dedf7d38d83610b75245dfd0ce23bae46a1aaf8d9

SHA512
939329727ce3f5a27053fb6cc4b92f257990193b150da9c2b3103d4cd45ba0a249ace86e0d099f9bcf4214afabc5a72445f3433723dae7f6091950bd2871098d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RE3dQrRE.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/3256-0-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/3256-127-0x0000000000400000-0x00000000005D0000-memory.dmp

Filesize
1.8MB

Download
memory/3308-132-0x00007FF951430000-0x00007FF951440000-memory.dmp

Filesize
64KB

Download
memory/3308-133-0x00007FF951430000-0x00007FF951440000-memory.dmp

Filesize
64KB

Download
memory/3308-130-0x00007FF951430000-0x00007FF951440000-memory.dmp

Filesize
64KB

Download
memory/3308-134-0x00007FF94EC30000-0x00007FF94EC40000-memory.dmp

Filesize
64KB

Download
memory/3308-135-0x00007FF94EC30000-0x00007FF94EC40000-memory.dmp

Filesize
64KB

Download
memory/3308-131-0x00007FF951430000-0x00007FF951440000-memory.dmp

Filesize
64KB

Download
memory/3308-129-0x00007FF951430000-0x00007FF951440000-memory.dmp

Filesize
64KB

Download
memory/4524-176-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4524-206-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads