blackshades | 85a8ab1242a0812679c9e629cb5aa1af1c2b79303172ecbc7a01402ac1d5c3ae

Analysis

max time kernel
148s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/03/2025, 15:27

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General

Target

JaffaCakes118_39d6db34972555a538f315161287d041.exe
Size

758KB
MD5

39d6db34972555a538f315161287d041
SHA1

8a1c26cfeaa611bce5afc8f311ec2d44c649d6b6
SHA256

85a8ab1242a0812679c9e629cb5aa1af1c2b79303172ecbc7a01402ac1d5c3ae
SHA512

e4c9dd8894cc676574e3a935313c17eba83d0536901857e33ccc2fe5dcc9b37d9d393a7078a11574634d0db543081384b22df858f9b7ab2b2aa9fcd9bf91c00a
SSDEEP

12288:/9aM9BN8hOYbbCBrXXRYOjcJ6+hi6GM2JXiuIgDFyjn8BpsQTKI2dh3r:/9aMudP4rXCbZYM7gogHssKI2dh3

Score

10^/10

blackshades defense_evasion discovery persistence rat

Malware Config

Signatures

Blackshades
Blackshades is a remote access trojan with various capabilities.
rat blackshades
Blackshades family
blackshades

Blackshades payload 18 IoCs

resource	yara_rule
behavioral1/memory/2088-9-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-6-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-18-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-19-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-20-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-22-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-24-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-25-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-26-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-28-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-29-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-30-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-32-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-33-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-34-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-36-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-37-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades
behavioral1/memory/2088-38-0x0000000000400000-0x000000000046E000-memory.dmp	family_blackshades

Modifies firewall policy service 3 TTPs 8 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe = "C:\\WINDOWS\\Microsoft.NET\\Framework\\v2.0.50727\\vbc.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\WinX.exe = "C:\\Users\\Admin\\AppData\\Roaming\\WinX.exe:*:Enabled:Windows Messanger"	reg.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Users\\Admin\\AppData\\Roaming\\Java\\Java\\8.4.3.7\\Java.exe"	JaffaCakes118_39d6db34972555a538f315161287d041.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1836 set thread context of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30

System Location Discovery: System Language Discovery 1 TTPs 10 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_39d6db34972555a538f315161287d041.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
2740	reg.exe
2668	reg.exe
2712	reg.exe
2780	reg.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: 1	2088	vbc.exe
Token: SeCreateTokenPrivilege	2088	vbc.exe
Token: SeAssignPrimaryTokenPrivilege	2088	vbc.exe
Token: SeLockMemoryPrivilege	2088	vbc.exe
Token: SeIncreaseQuotaPrivilege	2088	vbc.exe
Token: SeMachineAccountPrivilege	2088	vbc.exe
Token: SeTcbPrivilege	2088	vbc.exe
Token: SeSecurityPrivilege	2088	vbc.exe
Token: SeTakeOwnershipPrivilege	2088	vbc.exe
Token: SeLoadDriverPrivilege	2088	vbc.exe
Token: SeSystemProfilePrivilege	2088	vbc.exe
Token: SeSystemtimePrivilege	2088	vbc.exe
Token: SeProfSingleProcessPrivilege	2088	vbc.exe
Token: SeIncBasePriorityPrivilege	2088	vbc.exe
Token: SeCreatePagefilePrivilege	2088	vbc.exe
Token: SeCreatePermanentPrivilege	2088	vbc.exe
Token: SeBackupPrivilege	2088	vbc.exe
Token: SeRestorePrivilege	2088	vbc.exe
Token: SeShutdownPrivilege	2088	vbc.exe
Token: SeDebugPrivilege	2088	vbc.exe
Token: SeAuditPrivilege	2088	vbc.exe
Token: SeSystemEnvironmentPrivilege	2088	vbc.exe
Token: SeChangeNotifyPrivilege	2088	vbc.exe
Token: SeRemoteShutdownPrivilege	2088	vbc.exe
Token: SeUndockPrivilege	2088	vbc.exe
Token: SeSyncAgentPrivilege	2088	vbc.exe
Token: SeEnableDelegationPrivilege	2088	vbc.exe
Token: SeManageVolumePrivilege	2088	vbc.exe
Token: SeImpersonatePrivilege	2088	vbc.exe
Token: SeCreateGlobalPrivilege	2088	vbc.exe
Token: 31	2088	vbc.exe
Token: 32	2088	vbc.exe
Token: 33	2088	vbc.exe
Token: 34	2088	vbc.exe
Token: 35	2088	vbc.exe
Token: SeDebugPrivilege	2088	vbc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2088	vbc.exe
2088	vbc.exe
2088	vbc.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 1836 wrote to memory of 2088	1836	JaffaCakes118_39d6db34972555a538f315161287d041.exe	30
PID 2088 wrote to memory of 2700	2088	vbc.exe	31
PID 2088 wrote to memory of 2700	2088	vbc.exe	31
PID 2088 wrote to memory of 2700	2088	vbc.exe	31
PID 2088 wrote to memory of 2700	2088	vbc.exe	31
PID 2088 wrote to memory of 868	2088	vbc.exe	32
PID 2088 wrote to memory of 868	2088	vbc.exe	32
PID 2088 wrote to memory of 868	2088	vbc.exe	32
PID 2088 wrote to memory of 868	2088	vbc.exe	32
PID 2088 wrote to memory of 2384	2088	vbc.exe	33
PID 2088 wrote to memory of 2384	2088	vbc.exe	33
PID 2088 wrote to memory of 2384	2088	vbc.exe	33
PID 2088 wrote to memory of 2384	2088	vbc.exe	33
PID 2088 wrote to memory of 1532	2088	vbc.exe	34
PID 2088 wrote to memory of 1532	2088	vbc.exe	34
PID 2088 wrote to memory of 1532	2088	vbc.exe	34
PID 2088 wrote to memory of 1532	2088	vbc.exe	34
PID 1532 wrote to memory of 2740	1532	cmd.exe	39
PID 1532 wrote to memory of 2740	1532	cmd.exe	39
PID 1532 wrote to memory of 2740	1532	cmd.exe	39
PID 1532 wrote to memory of 2740	1532	cmd.exe	39
PID 868 wrote to memory of 2712	868	cmd.exe	40
PID 868 wrote to memory of 2712	868	cmd.exe	40
PID 868 wrote to memory of 2712	868	cmd.exe	40
PID 868 wrote to memory of 2712	868	cmd.exe	40
PID 2384 wrote to memory of 2668	2384	cmd.exe	41
PID 2384 wrote to memory of 2668	2384	cmd.exe	41
PID 2384 wrote to memory of 2668	2384	cmd.exe	41
PID 2384 wrote to memory of 2668	2384	cmd.exe	41
PID 2700 wrote to memory of 2780	2700	cmd.exe	42
PID 2700 wrote to memory of 2780	2700	cmd.exe	42
PID 2700 wrote to memory of 2780	2700	cmd.exe	42
PID 2700 wrote to memory of 2780	2700	cmd.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39d6db34972555a538f315161287d041.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39d6db34972555a538f315161287d041.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1836
- C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2700
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:868
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2712
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\WinX.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinX.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\WinX.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinX.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1836-17-0x00000000746F0000-0x0000000074C9B000-memory.dmp

Filesize
5.7MB

Download
memory/1836-1-0x00000000746F0000-0x0000000074C9B000-memory.dmp

Filesize
5.7MB

Download
memory/1836-2-0x00000000746F0000-0x0000000074C9B000-memory.dmp

Filesize
5.7MB

Download
memory/1836-0-0x00000000746F1000-0x00000000746F2000-memory.dmp

Filesize
4KB

Download
memory/2088-22-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-26-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-6-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-5-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-18-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-9-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-19-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-20-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-4-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-24-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-25-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2088-28-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-29-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-30-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-32-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-33-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-34-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-36-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-37-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2088-38-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads