diamondfox | f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788

General

Target

f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe
Size

90KB
MD5

4dddf0bfbb7fff60a92926426a0754e4
SHA1

423f4f6b9c0805222b9577b52862af684030c002
SHA256

f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788
SHA512

713fec6b0a8067dd39579ad9280442bf215efb95b628e9b2f3cdb61fb4bc796bfb2857810fe393757a25006ba7203878ce9c4763ed15db6d8a5785badbc21744

Score

10^/10

diamondfox botnet ransomware 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/files/0x000600000001ab6e-24.dat	diamondfox
behavioral2/files/0x000600000001ab6e-23.dat	diamondfox

Executes dropped EXE 1 IoCs

pid	Process
3912	atiedxx.exe

Drops startup file 1 IoCs

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

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
564	powershell.exe
564	powershell.exe
564	powershell.exe
3232	powershell.exe
3232	powershell.exe
3232	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	564	powershell.exe
Token: SeDebugPrivilege	3232	powershell.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1056	f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe
3912	atiedxx.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 564	1056	f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe	75
PID 1056 wrote to memory of 564	1056	f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe	75
PID 1056 wrote to memory of 564	1056	f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe	75
PID 564 wrote to memory of 3912	564	powershell.exe	80
PID 564 wrote to memory of 3912	564	powershell.exe	80
PID 564 wrote to memory of 3912	564	powershell.exe	80
PID 3912 wrote to memory of 3232	3912	atiedxx.exe	81
PID 3912 wrote to memory of 3232	3912	atiedxx.exe	81
PID 3912 wrote to memory of 3232	3912	atiedxx.exe	81

C:\Users\Admin\AppData\Local\Temp\f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe
"C:\Users\Admin\AppData\Local\Temp\f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\f24b905fb50dd08805caa0d357b3c43149a5174c745797af98d0c4f111f85788.exe' -Destination 'C:\Users\Admin\AppData\Local\xdaeitx\atiedxx.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\xdaeitx\atiedxx.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:564
- - C:\Users\Admin\AppData\Local\xdaeitx\atiedxx.exe
    "C:\Users\Admin\AppData\Local\xdaeitx\atiedxx.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3912
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell $shell = New-Object -ComObject WScript.Shell;$shortcut = $shell.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\atiedxx.lnk');$shortcut.TargetPath = 'C:\Users\Admin\AppData\Local\xdaeitx\atiedxx.exe';$shortcut.Save()
      4⤵
      Drops startup file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3232

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/564-20-0x0000000009E10000-0x0000000009E11000-memory.dmp

Filesize
4KB

Download
memory/564-18-0x00000000094F0000-0x00000000094F1000-memory.dmp

Filesize
4KB

Download
memory/564-11-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download
memory/564-12-0x0000000008190000-0x0000000008191000-memory.dmp

Filesize
4KB

Download
memory/564-13-0x0000000004D42000-0x0000000004D43000-memory.dmp

Filesize
4KB

Download
memory/564-14-0x0000000007FA0000-0x0000000007FA1000-memory.dmp

Filesize
4KB

Download
memory/564-15-0x0000000008670000-0x0000000008671000-memory.dmp

Filesize
4KB

Download
memory/564-16-0x0000000008860000-0x0000000008861000-memory.dmp

Filesize
4KB

Download
memory/564-17-0x0000000009850000-0x0000000009851000-memory.dmp

Filesize
4KB

Download
memory/564-10-0x0000000007EE0000-0x0000000007EE1000-memory.dmp

Filesize
4KB

Download
memory/564-19-0x0000000009570000-0x0000000009571000-memory.dmp

Filesize
4KB

Download
memory/564-21-0x000000000A990000-0x000000000A991000-memory.dmp

Filesize
4KB

Download
memory/564-5-0x0000000073810000-0x0000000073EFE000-memory.dmp

Filesize
6.9MB

Download
memory/564-9-0x0000000007E70000-0x0000000007E71000-memory.dmp

Filesize
4KB

Download
memory/564-8-0x0000000007690000-0x0000000007691000-memory.dmp

Filesize
4KB

Download
memory/564-27-0x0000000004D43000-0x0000000004D44000-memory.dmp

Filesize
4KB

Download
memory/564-6-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/564-7-0x0000000007750000-0x0000000007751000-memory.dmp

Filesize
4KB

Download
memory/3232-30-0x00000000739C0000-0x00000000740AE000-memory.dmp

Filesize
6.9MB

Download
memory/3232-36-0x00000000074F0000-0x00000000074F1000-memory.dmp

Filesize
4KB

Download
memory/3232-37-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download
memory/3232-38-0x0000000004222000-0x0000000004223000-memory.dmp

Filesize
4KB

Download
memory/3232-41-0x0000000007B40000-0x0000000007B41000-memory.dmp

Filesize
4KB

Download
memory/3232-46-0x0000000004223000-0x0000000004224000-memory.dmp

Filesize
4KB

Download

Analysis

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