xred | f597e857bd8ed3adb8d0fca17be02ac87696b3dd03c1ba5bd66367e067161fa0

Analysis

max time kernel
117s
max time network
129s
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/aapt.exe
Size

2.3MB
MD5

380095ec86872cfcab1e1031a16e4750
SHA1

bd5b040d47d16b7847174f9a5ce88732c87aa400
SHA256

7f79865298d3abf371d496a29ad9ae1176d52cebd1635d05ef6d87fb770a6989
SHA512

7aea4411b7892701dc31a980df8b0331804e3206f72dff5f8dba940b4e6250e85181a6c66b78112ba5c835947b223db81f19443f0fc4292d1e605872d1a47201
SSDEEP

49152:ZnsHyjtk2MYC5GDMPNjtbkZdmFxzKyfMKiTYQ0QQQKXQQQQQQQf0Qm:Znsmtk2apNjtQZ8Pfz

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-1-5-21-1411052346-3904498293-150013998-1000\Control Panel\International\Geo\Nation	aapt.exe

Executes dropped EXE 2 IoCs

pid	Process
448	._cache_aapt.exe
952	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"	aapt.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	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aapt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_aapt.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\	aapt.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3688	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 448	1580	aapt.exe	91
PID 1580 wrote to memory of 448	1580	aapt.exe	91
PID 1580 wrote to memory of 448	1580	aapt.exe	91
PID 1580 wrote to memory of 952	1580	aapt.exe	93
PID 1580 wrote to memory of 952	1580	aapt.exe	93
PID 1580 wrote to memory of 952	1580	aapt.exe	93

C:\Users\Admin\AppData\Local\Temp\res\Lib\aapt.exe
"C:\Users\Admin\AppData\Local\Temp\res\Lib\aapt.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:1580
- C:\Users\Admin\AppData\Local\Temp\res\Lib\._cache_aapt.exe
  "C:\Users\Admin\AppData\Local\Temp\res\Lib\._cache_aapt.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:448
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:952

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:3688

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=4200,i,15868025601356667099,14629187417892041246,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:8
1⤵
PID:1372

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\10985E00

Filesize
21KB

MD5
a870376385fabf3511642766a09f53a3

SHA1
e001df38a2b9013b9a654b72ceaf66eca6149074

SHA256
656887a1cd2de97ea6cd32eb2a7ceb2090c63d4ceff6506e952e8a3e19e8c685

SHA512
37910ae66a967a43e62b74a6b972ad657ec1223f17d7d7b1f7dceaec67a355e8d50eb29aa0ce2f892143d16047d8ceba2ad778e3a742758dbe6e3a905d2465b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\fpdar6bN.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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

Filesize
1.6MB

MD5
80f136b0642bbc25c7578e0d24d4673b

SHA1
883596e63700c45ab0d4d880b883f687f65c2457

SHA256
aa18b5646881ff3b8ca9879045a1b4a44e2d5b24fbe14486fc8236789de8237a

SHA512
4a95ac6b8d6252b68ccc842e8dd36056d5b0a773a86d4a8234f39cc2195ccec06fc64954655956447dfc27896720c92f8dfa4a39c2bb568c21fcc588723d86fc

Download Submit
memory/952-102-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/952-179-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/952-155-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/952-151-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/952-150-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1580-0-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1580-100-0x0000000000400000-0x000000000065A000-memory.dmp

Filesize
2.4MB

Download
memory/3688-106-0x00007FF893B90000-0x00007FF893BA0000-memory.dmp

Filesize
64KB

Download
memory/3688-109-0x00007FF8911D0000-0x00007FF8911E0000-memory.dmp

Filesize
64KB

Download
memory/3688-108-0x00007FF8911D0000-0x00007FF8911E0000-memory.dmp

Filesize
64KB

Download
memory/3688-107-0x00007FF893B90000-0x00007FF893BA0000-memory.dmp

Filesize
64KB

Download
memory/3688-103-0x00007FF893B90000-0x00007FF893BA0000-memory.dmp

Filesize
64KB

Download
memory/3688-105-0x00007FF893B90000-0x00007FF893BA0000-memory.dmp

Filesize
64KB

Download
memory/3688-104-0x00007FF893B90000-0x00007FF893BA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads