diamondfox | 93e7ecd77057b7388f80a012e15977613f6fa01bda350e684facdce6fee8e1da

General

Target

nine.exe
Size

210KB
MD5

4440d9bb248b6ecb966eef7af0ec276c
SHA1

dba8eb889861da4252bc2aca9794062a87fb6056
SHA256

93e7ecd77057b7388f80a012e15977613f6fa01bda350e684facdce6fee8e1da
SHA512

95abb7d39550c8b4b775d98e859e10eca7aa22193becd8656632b87689388c094ce872bf2aa0f24732d965b03ffa65f99e48774941c58779802e501d9bb610d6

Score

10^/10

diamondfox botnet stealer

Malware Config

Signatures

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

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 3900 created 3404	3900	WerFault.exe	52

DiamondFox payload 3 IoCs

Detects DiamondFox payload in file/memory.

resource	yara_rule
behavioral2/memory/3404-131-0x00000000001C0000-0x00000000001D8000-memory.dmp	diamondfox
behavioral2/memory/3404-134-0x0000000000400000-0x0000000001A9E000-memory.dmp	diamondfox
behavioral2/memory/1548-159-0x0000000000400000-0x0000000001A9E000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
1548	SearchIndexer.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
904	3404	WerFault.exe	52

Checks processor information in registry 2 TTPs 5 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\~MHz	MusNotification.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2292	powershell.exe
2292	powershell.exe
904	WerFault.exe
904	WerFault.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1160	MusNotification.exe
Token: SeCreatePagefilePrivilege	1160	MusNotification.exe
Token: SeDebugPrivilege	2292	powershell.exe
Token: SeRestorePrivilege	904	WerFault.exe
Token: SeBackupPrivilege	904	WerFault.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3404	nine.exe
1548	SearchIndexer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 2292	3404	nine.exe	58
PID 3404 wrote to memory of 2292	3404	nine.exe	58
PID 3404 wrote to memory of 2292	3404	nine.exe	58
PID 3900 wrote to memory of 3404	3900	WerFault.exe	52
PID 3900 wrote to memory of 3404	3900	WerFault.exe	52
PID 2292 wrote to memory of 1548	2292	powershell.exe	66
PID 2292 wrote to memory of 1548	2292	powershell.exe	66
PID 2292 wrote to memory of 1548	2292	powershell.exe	66

C:\Users\Admin\AppData\Local\Temp\nine.exe
"C:\Users\Admin\AppData\Local\Temp\nine.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\nine.exe' -Destination 'C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe
    "C:\Users\Admin\AppData\Local\xerasr\SearchIndexer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:1548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 480
  2⤵
  - Program crash
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:904

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3404 -ip 3404
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:3900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1548-159-0x0000000000400000-0x0000000001A9E000-memory.dmp

Filesize
22.6MB

Download
memory/1548-158-0x0000000001D20000-0x0000000001D2A000-memory.dmp

Filesize
40KB

Download
memory/1548-157-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/1548-156-0x0000000001C23000-0x0000000001C2F000-memory.dmp

Filesize
48KB

Download
memory/2292-144-0x0000000008260000-0x00000000082C6000-memory.dmp

Filesize
408KB

Download
memory/2292-148-0x0000000008E40000-0x0000000008E5A000-memory.dmp

Filesize
104KB

Download
memory/2292-139-0x0000000007A80000-0x00000000080A8000-memory.dmp

Filesize
6.2MB

Download
memory/2292-140-0x0000000007440000-0x0000000007441000-memory.dmp

Filesize
4KB

Download
memory/2292-141-0x0000000007442000-0x0000000007443000-memory.dmp

Filesize
4KB

Download
memory/2292-142-0x00000000080E0000-0x0000000008102000-memory.dmp

Filesize
136KB

Download
memory/2292-143-0x0000000008180000-0x00000000081E6000-memory.dmp

Filesize
408KB

Download
memory/2292-155-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/2292-145-0x00000000089B0000-0x00000000089CE000-memory.dmp

Filesize
120KB

Download
memory/2292-146-0x0000000007445000-0x0000000007447000-memory.dmp

Filesize
8KB

Download
memory/2292-147-0x0000000008EC0000-0x0000000008F56000-memory.dmp

Filesize
600KB

Download
memory/2292-138-0x00000000073B0000-0x00000000073E6000-memory.dmp

Filesize
216KB

Download
memory/2292-149-0x0000000008E90000-0x0000000008EB2000-memory.dmp

Filesize
136KB

Download
memory/2292-150-0x0000000009F80000-0x000000000A524000-memory.dmp

Filesize
5.6MB

Download
memory/2292-151-0x000000000ABB0000-0x000000000B22A000-memory.dmp

Filesize
6.5MB

Download
memory/2292-136-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/2292-137-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/3404-130-0x0000000001CD3000-0x0000000001CDF000-memory.dmp

Filesize
48KB

Download
memory/3404-134-0x0000000000400000-0x0000000001A9E000-memory.dmp

Filesize
22.6MB

Download
memory/3404-133-0x0000000001C70000-0x0000000001C7A000-memory.dmp

Filesize
40KB

Download
memory/3404-132-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/3404-131-0x00000000001C0000-0x00000000001D8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads