diamondfox | 22846ada9d2a89030fd6dd14b1e9297b751208ad2b462b1fe19a82cf60425576

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 11:21

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General

Target
0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
Size 1.8MB
Sample241002-nf7pmataql
SHA256 22846ada9d2a89030fd6dd14b1e9297b751208ad2b462b1fe19a82cf60425576
MD5 0a660553b1d746103077a2520e338dbd
SHA1 9972ce46350864c161897b771ed76245ce2476ff
SHA512 88154a3006f287cc3c754f608d5fa33df623433697a0107cd3b110a223218ed38f2323bebd08b05bf8bc3ff3adee7581ada578959f98749595f6a83ea695a760
SSDEEP 49152:UnxM9wJPNVExkHsFdu1GSjc1j56s4yhc:wyUPQWHqu1Ljc1j5Jc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

diamondfox botnet discovery evasion stealer

Malware Config

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS 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\SystemBiosVersion	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
1920	explorer.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Wine	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Wine	explorer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
1920	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84

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 6 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	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
1920	explorer.exe
1920	explorer.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
372	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
1920	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 3604	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	82
PID 544 wrote to memory of 3604	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	82
PID 544 wrote to memory of 3604	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	82
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 544 wrote to memory of 372	544	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	84
PID 372 wrote to memory of 1920	372	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	86
PID 372 wrote to memory of 1920	372	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	86
PID 372 wrote to memory of 1920	372	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	86
PID 1920 wrote to memory of 1016	1920	explorer.exe	87
PID 1920 wrote to memory of 1016	1920	explorer.exe	87
PID 1920 wrote to memory of 1016	1920	explorer.exe	87
PID 372 wrote to memory of 1860	372	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	89
PID 372 wrote to memory of 1860	372	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	89
PID 372 wrote to memory of 1860	372	0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\SysWOW64\reg.exe
  reg add "HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED" /v EnableBalloonTips /t REG_DWORD /d 0 /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3604
- C:\Users\Admin\AppData\Local\Temp\0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0a660553b1d746103077a2520e338dbd_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:372
- - C:\Users\Admin\AppData\Roaming\com6.{00C6D95F-329C-409a-81D7-C46C66EA7F33}\explorer.exe
    C:\Users\Admin\AppData\Roaming\com6.{00C6D95F-329C-409a-81D7-C46C66EA7F33}\explorer.exe
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\ADVANCED" /v EnableBalloonTips /t REG_DWORD /d 0 /f
      4⤵
      System Location Discovery: System Language Discovery
      PID:1016
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\F98C657D.cmd
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

F98C657D.cmd

Path C:\Users\Admin\AppData\Local\Temp\F98C657D.cmd
Size 152B
SHA256 0491668018777ce1761c2dd2e5bb00175de9782225116d79ccf98b173584d00b
MD5 7e3643f3927544d1fe546d5ad2069324
SHA1 3dbfa44be6b74bcd9bb999f95ba0366662443314
SHA512 c65c146d4cea45e766e223200dd3973223ad2ce403791671711082e080c9d84a2c1fbb14504c07b6ece431419cd2395e92de3ae747f7896e2370be8db04f27e1
MD5 SHA1 SHA512

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explorer.exe

Path C:\Users\Admin\AppData\Roaming\com6.{00C6D95F-329C-409a-81D7-C46C66EA7F33}\explorer.exe
Size 1.8MB
SHA256 22846ada9d2a89030fd6dd14b1e9297b751208ad2b462b1fe19a82cf60425576
MD5 0a660553b1d746103077a2520e338dbd
SHA1 9972ce46350864c161897b771ed76245ce2476ff
SHA512 88154a3006f287cc3c754f608d5fa33df623433697a0107cd3b110a223218ed38f2323bebd08b05bf8bc3ff3adee7581ada578959f98749595f6a83ea695a760
SSDEEP 49152:UnxM9wJPNVExkHsFdu1GSjc1j56s4yhc:wyUPQWHqu1Ljc1j5Jc
MD5 SHA1 SHA512 SSDEEP

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memory/372-3-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/372-4-0x0000000000400000-0x0000000000410261-memory.dmp

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memory/372-5-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/372-6-0x0000000000400000-0x0000000000411000-memory.dmp

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memory/372-20-0x0000000000400000-0x0000000000410261-memory.dmp

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memory/544-0-0x0000000000400000-0x00000000007E3000-memory.dmp

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memory/544-23-0x0000000000400000-0x00000000007E3000-memory.dmp

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memory/544-24-0x0000000000400000-0x00000000007E3000-memory.dmp

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memory/544-25-0x0000000000400000-0x00000000007E3000-memory.dmp

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memory/1920-22-0x0000000000400000-0x00000000007E3000-memory.dmp

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