diamondfox | a5ce92e7e63bf447b0d2591484d012b8491221c6a27bf2ae87d9a5678f7d09e9

General

Target

7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe
Size

18KB
MD5

8f77d92060389f5733905710714556ce
SHA1

f817bbd59241f5dd732259784c2fabff78d1dfde
SHA256

7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f
SHA512

313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a
SSDEEP

384:NJE1O9JBp+U2CYf00mrtWivKSmSggQmUWgVhkXHQ1:NFI0/XvdJUVhgH

Score

10^/10

diamondfox botnet evasion persistence stealer trojan

Malware Config

Signatures

DiamondFox
DiamondFox is a multipurpose botnet with many capabilities.
botnet stealer diamondfox

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	explorer.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
1112	explorer.exe

Deletes itself 1 IoCs

pid	Process
1516	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\explorer.exe	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\explorer.exe	explorer.exe

Loads dropped DLL 2 IoCs

pid	Process
1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe
1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\\explorer.exe"	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe
1112	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1112	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	28
PID 1200 wrote to memory of 1112	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	28
PID 1200 wrote to memory of 1112	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	28
PID 1200 wrote to memory of 1112	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	28
PID 1200 wrote to memory of 1516	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	29
PID 1200 wrote to memory of 1516	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	29
PID 1200 wrote to memory of 1516	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	29
PID 1200 wrote to memory of 1516	1200	7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe	29

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	explorer.exe

C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe
"C:\Users\Admin\AppData\Local\Temp\7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
  C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe
  2⤵
  - UAC bypass
  - Windows security bypass
  - Executes dropped EXE
  - Drops startup file
  - Windows security modification
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1112
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\3F20B41B.cmd
  2⤵
  - Deletes itself
  PID:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3F20B41B.cmd

Filesize
170B

MD5
dffedead0c8fecfee445c6a90bef22d6

SHA1
a5611a5df369f47ba3b628ce00aca9d708dd42b7

SHA256
7ae6059d8aae4f75ba06b94dfee957a8a581e0de2b2f3de4c900123f705f1e5b

SHA512
eb2fe35c3b8e2e7fa8d1fd9a806c400ea2483686460495e5e46392311d7ac5ed0d9c4ba3fde4765c64d4e0df9e34cbb3a6237d29eb034e9d1cd11a1b306070fa

Download Submit
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe

Filesize
18KB

MD5
8f77d92060389f5733905710714556ce

SHA1
f817bbd59241f5dd732259784c2fabff78d1dfde

SHA256
7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f

SHA512
313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a

Download Submit
C:\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe

Filesize
18KB

MD5
8f77d92060389f5733905710714556ce

SHA1
f817bbd59241f5dd732259784c2fabff78d1dfde

SHA256
7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f

SHA512
313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a

Download Submit
\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe

Filesize
18KB

MD5
8f77d92060389f5733905710714556ce

SHA1
f817bbd59241f5dd732259784c2fabff78d1dfde

SHA256
7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f

SHA512
313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a

Download Submit
\Users\Admin\AppData\Roaming\lpt9.{2227A280-3AEA-1069-A2DE-08002B30309D}\explorer.exe

Filesize
18KB

MD5
8f77d92060389f5733905710714556ce

SHA1
f817bbd59241f5dd732259784c2fabff78d1dfde

SHA256
7a1833f7b91269b9f0eb48f9bba3db9cc444f749d82255322e1f8e221612895f

SHA512
313e5b16ac7d556a74d19b2610f5e811694c1a660a460604afe5272f416fb1f7f2d04cea173dc9f2ce392e42101225fa0850f03ceaf46616d52347c96097468a

Download Submit
memory/1112-68-0x0000000000400000-0x000000000041016C-memory.dmp

Filesize
64KB

Download
memory/1112-69-0x0000000000400000-0x000000000041016C-memory.dmp

Filesize
64KB

Download
memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1200-65-0x0000000000400000-0x000000000041016C-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads