xred | 5154019f133eb1d0673898bd2751222c5c540f0575b40e22ae24be1e5dd03d6b

General

Target

Bootstrapper.exe
Size

1.5MB
MD5

d4a03084464e8fc23beea44ad84d065f
SHA1

9db22b5630e09a42898ef2da5df0a745886bc912
SHA256

5154019f133eb1d0673898bd2751222c5c540f0575b40e22ae24be1e5dd03d6b
SHA512

ee9e0d4c32443e4bed9da30d07812270c96b2e54a8c1e1bfffbcf746617c9366dcc87ec9004da3d6d5fac94a864ccdf890d4b6e65d74610a46f24c6b8d6d0caf
SSDEEP

24576:ynsJ39LyjbJkQFMhmC+6GD9O+ubYHYqRoAQpjFVG0HXqlF4u4:ynsHyjtk2MYC5GDauoAQpjGPl4

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
2540	._cache_Bootstrapper.exe
1084	Synaptics.exe
2264	._cache_Synaptics.exe

Loads dropped DLL 5 IoCs

pid	Process
1528	Bootstrapper.exe
1528	Bootstrapper.exe
1528	Bootstrapper.exe
1084	Synaptics.exe
1084	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"	Bootstrapper.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
6	pastebin.com
7	pastebin.com
8	pastebin.com
9	pastebin.com

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	Bootstrapper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Bootstrapper.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

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
2888	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	._cache_Bootstrapper.exe
Token: SeDebugPrivilege	2264	._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2888	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 2540	1528	Bootstrapper.exe	30
PID 1528 wrote to memory of 2540	1528	Bootstrapper.exe	30
PID 1528 wrote to memory of 2540	1528	Bootstrapper.exe	30
PID 1528 wrote to memory of 2540	1528	Bootstrapper.exe	30
PID 1528 wrote to memory of 1084	1528	Bootstrapper.exe	32
PID 1528 wrote to memory of 1084	1528	Bootstrapper.exe	32
PID 1528 wrote to memory of 1084	1528	Bootstrapper.exe	32
PID 1528 wrote to memory of 1084	1528	Bootstrapper.exe	32
PID 1084 wrote to memory of 2264	1084	Synaptics.exe	33
PID 1084 wrote to memory of 2264	1084	Synaptics.exe	33
PID 1084 wrote to memory of 2264	1084	Synaptics.exe	33
PID 1084 wrote to memory of 2264	1084	Synaptics.exe	33

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\._cache_Bootstrapper.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_Bootstrapper.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2540
- 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:1084
- - 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:2264

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:2888

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
1.5MB

MD5
d4a03084464e8fc23beea44ad84d065f

SHA1
9db22b5630e09a42898ef2da5df0a745886bc912

SHA256
5154019f133eb1d0673898bd2751222c5c540f0575b40e22ae24be1e5dd03d6b

SHA512
ee9e0d4c32443e4bed9da30d07812270c96b2e54a8c1e1bfffbcf746617c9366dcc87ec9004da3d6d5fac94a864ccdf890d4b6e65d74610a46f24c6b8d6d0caf

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

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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

Filesize
797KB

MD5
86bf094b70901e55a281e0a0683dd8b3

SHA1
24afc916d186facaf7885363bf335e3e5b7d69b9

SHA256
2a4255d739e42838d49159d7228952b512a2c8ccb6f4b0c8d35543912130dac6

SHA512
2f33349c13f7778869f4e200380acd9c12e41a981a30005ad01aa8c29442d9bfdfb2a76a1b589be1efb2e4a314cbdf92f691a12b0fa487af4160e7d87ff25e56

Download Submit
memory/1084-59-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1084-60-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1084-92-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1528-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1528-26-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/2264-38-0x0000000000990000-0x0000000000A5E000-memory.dmp

Filesize
824KB

Download
memory/2540-29-0x00000000001C0000-0x000000000028E000-memory.dmp

Filesize
824KB

Download
memory/2888-39-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads