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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Stix_0_Delay_Utility.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

pid	Process
2864	._cache_Stix_0_Delay_Utility.exe
2552	Synaptics.exe
4300	._cache_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"	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

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

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

description	pid	Process
Token: SeDebugPrivilege	2864	._cache_Stix_0_Delay_Utility.exe
Token: SeDebugPrivilege	4300	._cache_Synaptics.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2864	1852	Stix_0_Delay_Utility.exe	86
PID 1852 wrote to memory of 2864	1852	Stix_0_Delay_Utility.exe	86
PID 1852 wrote to memory of 2864	1852	Stix_0_Delay_Utility.exe	86
PID 1852 wrote to memory of 2552	1852	Stix_0_Delay_Utility.exe	88
PID 1852 wrote to memory of 2552	1852	Stix_0_Delay_Utility.exe	88
PID 1852 wrote to memory of 2552	1852	Stix_0_Delay_Utility.exe	88
PID 2552 wrote to memory of 4300	2552	Synaptics.exe	90
PID 2552 wrote to memory of 4300	2552	Synaptics.exe	90
PID 2552 wrote to memory of 4300	2552	Synaptics.exe	90

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:1852
- 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:2864
- 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:2552
- - 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:4300

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
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/1852-129-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/1852-0-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2552-202-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/2552-130-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/2552-283-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/2552-229-0x0000000000400000-0x0000000000520000-memory.dmp

Filesize
1.1MB

Download
memory/2552-203-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/2864-196-0x00000000030C0000-0x00000000030CA000-memory.dmp

Filesize
40KB

Download
memory/2864-195-0x0000000003170000-0x0000000003180000-memory.dmp

Filesize
64KB

Download
memory/2864-184-0x0000000007C60000-0x0000000007CF2000-memory.dmp

Filesize
584KB

Download
memory/2864-197-0x0000000008E70000-0x0000000008E82000-memory.dmp

Filesize
72KB

Download
memory/2864-201-0x0000000072E4E000-0x0000000072E4F000-memory.dmp

Filesize
4KB

Download
memory/2864-125-0x0000000072E4E000-0x0000000072E4F000-memory.dmp

Filesize
4KB

Download
memory/2864-183-0x0000000008130000-0x00000000086D4000-memory.dmp

Filesize
5.6MB

Download
memory/2864-204-0x0000000003170000-0x0000000003180000-memory.dmp

Filesize
64KB

Download
memory/2864-182-0x0000000007AC0000-0x0000000007B78000-memory.dmp

Filesize
736KB

Download
memory/2864-131-0x0000000000D90000-0x0000000000DF2000-memory.dmp

Filesize
392KB

Download
memory/4300-199-0x000000000B340000-0x000000000B37C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads