xred | 59ac4d3651037ac2f0def7035bf845a178e4420b3ce1df183f40b230e1fc0d32

Analysis

max time kernel
141s
max time network
131s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
20/11/2024, 16:49

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General

Target
down.exe
Size 1.8MB
Sample241120-vb22xazgll
SHA256 59ac4d3651037ac2f0def7035bf845a178e4420b3ce1df183f40b230e1fc0d32
MD5 e051a9d8e9e23c07a111d6ec74b0c4d0
SHA1 e8d3096606c5174149f9a934ea202c1d7e721d62
SHA512 2e022e7b429743875d789b032972b1689cd890d87a982c918738c02e82f6881ae07581cdfab979aca2a73bdac570455ac0575052c434fbebfa92400bb21cb291
SSDEEP 24576:ynsJ39LyjbJkQFMhmC+6GD9KDAX4kuIB8U73qdkR2zEVeUpcZZ7pw:ynsHyjtk2MYC5GDgrk+i3qyBkEchw
MD5 SHA1 SHA512 SSDEEP

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

Executes dropped EXE 3 IoCs

pid	Process
4984	._cache_down.exe
4924	Synaptics.exe
2384	._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"	down.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	down.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_down.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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 2 IoCs

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2152	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4984	._cache_down.exe
4984	._cache_down.exe
2384	._cache_Synaptics.exe
2384	._cache_Synaptics.exe
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE
2152	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 4984	2860	down.exe	77
PID 2860 wrote to memory of 4984	2860	down.exe	77
PID 2860 wrote to memory of 4984	2860	down.exe	77
PID 2860 wrote to memory of 4924	2860	down.exe	78
PID 2860 wrote to memory of 4924	2860	down.exe	78
PID 2860 wrote to memory of 4924	2860	down.exe	78
PID 4924 wrote to memory of 2384	4924	Synaptics.exe	79
PID 4924 wrote to memory of 2384	4924	Synaptics.exe	79
PID 4924 wrote to memory of 2384	4924	Synaptics.exe	79

C:\Users\Admin\AppData\Local\Temp\down.exe
"C:\Users\Admin\AppData\Local\Temp\down.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\._cache_down.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_down.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4984
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4924
- - 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 SetWindowsHookEx
    PID:2384

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:2152

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

Synaptics.exe

Path C:\ProgramData\Synaptics\Synaptics.exe
Size 1.8MB
SHA256 59ac4d3651037ac2f0def7035bf845a178e4420b3ce1df183f40b230e1fc0d32
MD5 e051a9d8e9e23c07a111d6ec74b0c4d0
SHA1 e8d3096606c5174149f9a934ea202c1d7e721d62
SHA512 2e022e7b429743875d789b032972b1689cd890d87a982c918738c02e82f6881ae07581cdfab979aca2a73bdac570455ac0575052c434fbebfa92400bb21cb291
SSDEEP 24576:ynsJ39LyjbJkQFMhmC+6GD9KDAX4kuIB8U73qdkR2zEVeUpcZZ7pw:ynsHyjtk2MYC5GDgrk+i3qyBkEchw
MD5 SHA1 SHA512 SSDEEP

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._cache_down.exe

Path C:\Users\Admin\AppData\Local\Temp\._cache_down.exe
Size 1.1MB
SHA256 717c75dcbd4862e3f5c1a744fc445385bd7b920496988b3759ee6a47b5d3e080
MD5 826caa4feeeade758d2a78366857e220
SHA1 b56eebcd9210f710df9e435fa872e0fbdd2a3ed8
SHA512 1738bdfe1728e461f9622e5390966d84022d2cbb6bb50dbacaec5d127a475f87c95e287e7a245fb7b9e835dd7e143896d1548f191a11c7ea456f7c6c35dc0f79
SSDEEP 12288:UjeIvYKAXiLTfsu52B8AqU73zeYmkxQ3SarP4M3HtBzMHVCnbkIipfEZZRkipfk:UDAX4kuIB8U73qdkR2zEVeUpcZZ7pM
MD5 SHA1 SHA512 SSDEEP

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6C975E00

Path C:\Users\Admin\AppData\Local\Temp\6C975E00
Size 22KB
SHA256 e4607656650940dbbad2d36dc313bdd371b23a523b3eae604ced565b61e3a6b0
MD5 8f9fdadf603b12e96d8d08af8f1484ba
SHA1 709bc1790c81ec4f740c86aaf4a615872b9163d0
SHA512 fd4b22429e07063b48b17d1b931198719402b96c59697ec6f409e63e62164aee38e52a7b9c36aca91c6662080761bda4377af250f6da10f788daee863064b2bd
SSDEEP 384:MqYO5fp+o5bkfrnVhdasW7VXo9DZvJSKAQz4VeA+3NMM1wBpIkVrvY:MHyf4o5bkTVhdpWm9DZJAQkMAsMM1wBS
MD5 SHA1 SHA512 SSDEEP

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gNtwYF4e.xlsm

Path C:\Users\Admin\AppData\Local\Temp\gNtwYF4e.xlsm
Size 17KB
SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
MD5 e566fc53051035e1e6fd0ed1823de0f9
SHA1 00bc96c48b98676ecd67e81a6f1d7754e4156044
SHA512 a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
SSDEEP 384:oUaZLPzMfVSa1VvYXmrsdPkLmDAx7r/l0:oUatwNSSvY2IdsHr/y
MD5 SHA1 SHA512 SSDEEP

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config.ini

Path \??\c:\¹·µ°¸¨Öú\config.ini
Size 19B
SHA256 7ed1fb9b12cc25b6c9e92b547eb888e0cadca620ec71508f0a69b840cb8ea0e4
MD5 66a1348759c699b31e5a48a5705bd28f
SHA1 47872b6b4a4cc86724a2ffafaa6d8a055a86a2e2
SHA512 e50fbedaa77ef4950c5cbbbbd3f93282a9dbc736041c22be48a91ab2ebfdd60ce5937ce83eeedc7ab3ae6752170b5c038e4735672c1b5f09eb7c2e318ac1e82d
MD5 SHA1 SHA512

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memory/2152-189-0x00007FF8AAC30000-0x00007FF8AAC40000-memory.dmp

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memory/2152-191-0x00007FF8AAC30000-0x00007FF8AAC40000-memory.dmp

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memory/2152-192-0x00007FF8AAC30000-0x00007FF8AAC40000-memory.dmp

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memory/2152-193-0x00007FF8AAC30000-0x00007FF8AAC40000-memory.dmp

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memory/2152-194-0x00007FF8A8090000-0x00007FF8A80A0000-memory.dmp

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memory/2152-195-0x00007FF8A8090000-0x00007FF8A80A0000-memory.dmp

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memory/2152-190-0x00007FF8AAC30000-0x00007FF8AAC40000-memory.dmp

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memory/2860-0-0x0000000002440000-0x0000000002441000-memory.dmp

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memory/2860-127-0x0000000000400000-0x00000000005D0000-memory.dmp

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memory/4924-237-0x0000000000400000-0x00000000005D0000-memory.dmp

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memory/4924-268-0x0000000000400000-0x00000000005D0000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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