xred | f597e857bd8ed3adb8d0fca17be02ac87696b3dd03c1ba5bd66367e067161fa0

Analysis

max time kernel
111s
max time network
130s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
04-01-2025 14:00

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General

Target

res/Lib/7z.exe
Size

1.0MB
MD5

c90af375bc40d0506c16b4ed75efccb6
SHA1

cd29f79b128ba67bc30e44e7a0365c5ffd3be376
SHA256

c6e3aa8b8b76b9e3b9df71b3f31d1b7a23f2a031099aceb68c39f38945b65dc0
SHA512

f0f9e9f6d92ebf20a5303be38e41f66fd052141f04db14ad1d30c974a4e4e70abd51340fe92658563bdb6a7587d9117883241de5bdd123a6e259123869dbabaa
SSDEEP

24576:xnsJ39LyjbJkQFMhmC+6GD9P377SqLk2JC5RzHl:xnsHyjtk2MYC5GDR77k2OHl

Score

10^/10

xred backdoor discovery persistence

Malware Config

Extracted

Family

xred

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2062871678-1047416116-518495306-1000\Control Panel\International\Geo\Nation	7z.exe

Executes dropped EXE 2 IoCs

pid	Process
3988	._cache_7z.exe
1528	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\????? = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	7z.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_7z.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

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

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	7z.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3736	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3736	EXCEL.EXE
3736	EXCEL.EXE
3736	EXCEL.EXE
3736	EXCEL.EXE
3736	EXCEL.EXE
3736	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 3988	1224	7z.exe	81
PID 1224 wrote to memory of 3988	1224	7z.exe	81
PID 1224 wrote to memory of 3988	1224	7z.exe	81
PID 1224 wrote to memory of 1528	1224	7z.exe	83
PID 1224 wrote to memory of 1528	1224	7z.exe	83
PID 1224 wrote to memory of 1528	1224	7z.exe	83

C:\Users\Admin\AppData\Local\Temp\res\Lib\7z.exe
"C:\Users\Admin\AppData\Local\Temp\res\Lib\7z.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:1224
- C:\Users\Admin\AppData\Local\Temp\res\Lib\._cache_7z.exe
  "C:\Users\Admin\AppData\Local\Temp\res\Lib\._cache_7z.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3988
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1528

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:3736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
744KB

MD5
b2b36f3e560521d53bd607dd291e3c08

SHA1
bd06a34548c2a028bd92b9c3e486fa6da9523757

SHA256
b950370de86a4496da5959653b7370c9a8ffa6481698d463997951f534442cf9

SHA512
3896171d0aad860aca5cb53165757915e7c7f0a4273f0c2815751b9dfbee0ffd6f9b444edc0d9e082686ecd7cfd6ace3d68a4c5bfccd56ae57fa8a00ce8f660f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6EC75E00

Filesize
25KB

MD5
d92842e1b1f8bc69941e13c5562869bf

SHA1
321fb029d0f870a35772260e9ddbdcf7f70ec7a7

SHA256
088e7cfdee876da8f59143331cf8662195c9010649b1f124aef9a66e23254f2b

SHA512
0185f045155ef6e61c434aa339982ba0ff93540d4057e04ba97f4f4ffb8ce64de0b65a7ada29c8715cb6848e270b494a0914725fdbed586415a9b2539cbc4995

Download Submit
C:\Users\Admin\AppData\Local\Temp\8Uta536O.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
C:\Users\Admin\AppData\Local\Temp\res\Lib\._cache_7z.exe

Filesize
329KB

MD5
453821572a13cc6ea0736f9db6424e13

SHA1
5f994bde8db4b658781756eaaca9416909a3a420

SHA256
b8c3871a5d6a473a2e9d08684a481aea7467a97d0a433cf55b127323ef61218f

SHA512
22468064ae306037d2b241e8a985ad5b037b45f6873e364f46d8066018533993e66834288227ae86e94e23511386f0afcf52776060b17dad11dfba4bc333b07a

Download Submit
memory/1224-127-0x0000000000400000-0x0000000000513000-memory.dmp

Filesize
1.1MB

Download
memory/1224-0-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/1528-128-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1528-176-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1528-177-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1528-181-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1528-205-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3736-130-0x00007FFC83770000-0x00007FFC83780000-memory.dmp

Filesize
64KB

Download
memory/3736-132-0x00007FFC83770000-0x00007FFC83780000-memory.dmp

Filesize
64KB

Download
memory/3736-133-0x00007FFC83770000-0x00007FFC83780000-memory.dmp

Filesize
64KB

Download
memory/3736-134-0x00007FFC80E80000-0x00007FFC80E90000-memory.dmp

Filesize
64KB

Download
memory/3736-135-0x00007FFC80E80000-0x00007FFC80E90000-memory.dmp

Filesize
64KB

Download
memory/3736-131-0x00007FFC83770000-0x00007FFC83780000-memory.dmp

Filesize
64KB

Download
memory/3736-129-0x00007FFC83770000-0x00007FFC83780000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads