xred | e370849ba5b1e66d2dc46b4dabd846676089a9bec040e750fadf095b7ec4d222

General

Target

Stix_0_Delay_Utility.exe
Size

1.1MB
MD5

50c9b94b577071cb68e2c2d3d37e5d88
SHA1

682da2c903e1d00955fd233e7df627832af5feb1
SHA256

e370849ba5b1e66d2dc46b4dabd846676089a9bec040e750fadf095b7ec4d222
SHA512

66ea317daa6daafa406ddb4e0db861839c284435284369362368a5484dbd5dc988d34e0772e5a822549bbcacd3ff6e340a465b9043f50bf6ccde518f3fdcf8d7
SSDEEP

24576:pnsJ39LyjbJkQFMhmC+6GD9+oxobd6YvdRFC:pnsHyjtk2MYC5GDQoi6crFC

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 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Stix_0_Delay_Utility.exeSynaptics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Stix_0_Delay_Utility.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

Processes:

._cache_Stix_0_Delay_Utility.exeSynaptics.exe._cache_Synaptics.exe

pid process

620 ._cache_Stix_0_Delay_Utility.exe
1920 Synaptics.exe
4292 ._cache_Synaptics.exe

pid	process
620	._cache_Stix_0_Delay_Utility.exe
1920	Synaptics.exe
4292	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Stix_0_Delay_Utility.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	Stix_0_Delay_Utility.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 4 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:

Stix_0_Delay_Utility.exe._cache_Stix_0_Delay_Utility.exeSynaptics.exe._cache_Synaptics.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Stix_0_Delay_Utility.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Stix_0_Delay_Utility.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe

Modifies registry class 2 IoCs

Processes:

Stix_0_Delay_Utility.exeSynaptics.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Stix_0_Delay_Utility.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

._cache_Stix_0_Delay_Utility.exe._cache_Synaptics.exe

description pid process

Token: SeDebugPrivilege 620 ._cache_Stix_0_Delay_Utility.exe
Token: SeDebugPrivilege 4292 ._cache_Synaptics.exe

description	pid	process
Token: SeDebugPrivilege	620	._cache_Stix_0_Delay_Utility.exe
Token: SeDebugPrivilege	4292	._cache_Synaptics.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Stix_0_Delay_Utility.exeSynaptics.exe

description	pid	process	target process
PID 4948 wrote to memory of 620	4948	Stix_0_Delay_Utility.exe	._cache_Stix_0_Delay_Utility.exe
PID 4948 wrote to memory of 620	4948	Stix_0_Delay_Utility.exe	._cache_Stix_0_Delay_Utility.exe
PID 4948 wrote to memory of 620	4948	Stix_0_Delay_Utility.exe	._cache_Stix_0_Delay_Utility.exe
PID 4948 wrote to memory of 1920	4948	Stix_0_Delay_Utility.exe	Synaptics.exe
PID 4948 wrote to memory of 1920	4948	Stix_0_Delay_Utility.exe	Synaptics.exe
PID 4948 wrote to memory of 1920	4948	Stix_0_Delay_Utility.exe	Synaptics.exe
PID 1920 wrote to memory of 4292	1920	Synaptics.exe	._cache_Synaptics.exe
PID 1920 wrote to memory of 4292	1920	Synaptics.exe	._cache_Synaptics.exe
PID 1920 wrote to memory of 4292	1920	Synaptics.exe	._cache_Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\Stix_0_Delay_Utility.exe
"C:\Users\Admin\AppData\Local\Temp\Stix_0_Delay_Utility.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:4948
- C:\Users\Admin\AppData\Local\Temp\._cache_Stix_0_Delay_Utility.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_Stix_0_Delay_Utility.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:620
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1920
- - 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:4292

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

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
1.1MB

MD5
50c9b94b577071cb68e2c2d3d37e5d88

SHA1
682da2c903e1d00955fd233e7df627832af5feb1

SHA256
e370849ba5b1e66d2dc46b4dabd846676089a9bec040e750fadf095b7ec4d222

SHA512
66ea317daa6daafa406ddb4e0db861839c284435284369362368a5484dbd5dc988d34e0772e5a822549bbcacd3ff6e340a465b9043f50bf6ccde518f3fdcf8d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_Stix_0_Delay_Utility.exe

Filesize
374KB

MD5
23769f21536777f2b95a2dbd4eecff9a

SHA1
f866e354718af010af7e6e38fd0ee900ccfbdf97

SHA256
3f9636603264a12fd0103a366241a3dc4dfa4f308f483977e723574dd01fa00e

SHA512
d11d834e7e23a4385341bedf5c07f8e4f3cda1bc4adb229056aae3ad30b63f6eb46b19f6b922ee5508db2251a71708d7b721bd01879c0238199adb87cbeaad2d

Download Submit
memory/620-197-0x0000000008E00000-0x0000000008E12000-memory.dmp

Filesize
72KB

Download
memory/620-184-0x00000000079D0000-0x0000000007A62000-memory.dmp

Filesize
584KB

Download
memory/620-204-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/620-201-0x00000000726EE000-0x00000000726EF000-memory.dmp

Filesize
4KB

Download
memory/620-131-0x00000000009D0000-0x0000000000A32000-memory.dmp

Filesize
392KB

Download
memory/620-135-0x0000000007870000-0x0000000007928000-memory.dmp

Filesize
736KB

Download
memory/620-183-0x0000000007EE0000-0x0000000008484000-memory.dmp

Filesize
5.6MB

Download
memory/620-125-0x00000000726EE000-0x00000000726EF000-memory.dmp

Filesize
4KB

Download
memory/620-185-0x00000000054E0000-0x00000000054F0000-memory.dmp

Filesize
64KB

Download
memory/620-196-0x0000000004E60000-0x0000000004E6A000-memory.dmp

Filesize
40KB

Download
memory/620-199-0x000000000ACD0000-0x000000000AD0C000-memory.dmp

Filesize
240KB

Download
memory/1920-130-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/1920-202-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/1920-203-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/4948-0-0x00000000022B0000-0x00000000022B1000-memory.dmp

Filesize
4KB

Download
memory/4948-128-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads