diamondfox | 7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660

General

Target

7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe
Size

154KB
MD5

97f7bbf2f5861692617d661758bcf35b
SHA1

d59a0e3d77e22523a2fb657f756adebc32452ee0
SHA256

7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660
SHA512

eb8a846c2c16c3f405bf554ae715e915df680af0fd2901f427679a1cc5910ce5d2cb8e72c66ad2a6720093fde5c6156833aaa02655e5fd25a3e1b002251c7767

Score

10^/10

diamondfox botnet stealer

Malware Config

Signatures

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

DiamondFox payload 2 IoCs

Detects DiamondFox payload in file/memory.

resource	yara_rule
behavioral2/memory/3108-5-0x0000000004FB0000-0x0000000004FC8000-memory.dmp	diamondfox
behavioral2/memory/3108-6-0x0000000000400000-0x000000000041A000-memory.dmp	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
2428	spoolsv.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spoolsv.lnk	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1336	powershell.exe
1336	powershell.exe
1336	powershell.exe
2576	powershell.exe
2576	powershell.exe
2576	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	powershell.exe
Token: SeDebugPrivilege	2576	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe
2428	spoolsv.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 1336	3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe	78
PID 3108 wrote to memory of 1336	3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe	78
PID 3108 wrote to memory of 1336	3108	7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe	78
PID 1336 wrote to memory of 2428	1336	powershell.exe	80
PID 1336 wrote to memory of 2428	1336	powershell.exe	80
PID 1336 wrote to memory of 2428	1336	powershell.exe	80
PID 2428 wrote to memory of 2576	2428	spoolsv.exe	81
PID 2428 wrote to memory of 2576	2428	spoolsv.exe	81
PID 2428 wrote to memory of 2576	2428	spoolsv.exe	81

C:\Users\Admin\AppData\Local\Temp\7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe
"C:\Users\Admin\AppData\Local\Temp\7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\7b2944122a7d202bf76e409529d9e05d2caf327372715b2361fbc6ec7c2ac660.exe' -Destination 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1336
- - C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe
    "C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2428
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell $shell = New-Object -ComObject WScript.Shell;$shortcut = $shell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\spoolsv.lnk');$shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe';$shortcut.Save()
      4⤵
      Drops startup file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1336-13-0x0000000007270000-0x0000000007271000-memory.dmp

Filesize
4KB

Download
memory/1336-24-0x000000000A580000-0x000000000A581000-memory.dmp

Filesize
4KB

Download
memory/1336-11-0x0000000007010000-0x0000000007011000-memory.dmp

Filesize
4KB

Download
memory/1336-12-0x0000000007012000-0x0000000007013000-memory.dmp

Filesize
4KB

Download
memory/1336-14-0x0000000007410000-0x0000000007411000-memory.dmp

Filesize
4KB

Download
memory/1336-15-0x0000000007480000-0x0000000007481000-memory.dmp

Filesize
4KB

Download
memory/1336-16-0x0000000007D80000-0x0000000007D81000-memory.dmp

Filesize
4KB

Download
memory/1336-17-0x0000000008110000-0x0000000008111000-memory.dmp

Filesize
4KB

Download
memory/1336-18-0x0000000008510000-0x0000000008511000-memory.dmp

Filesize
4KB

Download
memory/1336-19-0x0000000008460000-0x0000000008461000-memory.dmp

Filesize
4KB

Download
memory/1336-20-0x0000000009450000-0x0000000009451000-memory.dmp

Filesize
4KB

Download
memory/1336-21-0x00000000090D0000-0x00000000090D1000-memory.dmp

Filesize
4KB

Download
memory/1336-22-0x0000000009150000-0x0000000009151000-memory.dmp

Filesize
4KB

Download
memory/1336-23-0x0000000009A00000-0x0000000009A01000-memory.dmp

Filesize
4KB

Download
memory/1336-10-0x0000000007650000-0x0000000007651000-memory.dmp

Filesize
4KB

Download
memory/1336-28-0x0000000007013000-0x0000000007014000-memory.dmp

Filesize
4KB

Download
memory/1336-9-0x00000000048F0000-0x00000000048F1000-memory.dmp

Filesize
4KB

Download
memory/1336-8-0x00000000737B0000-0x0000000073E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2428-29-0x0000000004F80000-0x0000000004F81000-memory.dmp

Filesize
4KB

Download
memory/2576-36-0x0000000073A20000-0x000000007410E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-42-0x00000000080A0000-0x00000000080A1000-memory.dmp

Filesize
4KB

Download
memory/2576-43-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/2576-44-0x0000000004C72000-0x0000000004C73000-memory.dmp

Filesize
4KB

Download
memory/2576-47-0x00000000085B0000-0x00000000085B1000-memory.dmp

Filesize
4KB

Download
memory/2576-52-0x0000000004C73000-0x0000000004C74000-memory.dmp

Filesize
4KB

Download
memory/3108-2-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/3108-6-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3108-5-0x0000000004FB0000-0x0000000004FC8000-memory.dmp

Filesize
96KB

Download

Analysis

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