blackshades | 39b57cec84e2147062c0ce1587177c3148ea3a378b5de0ee2126f6fb3c5547a0

Analysis

max time kernel
146s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 18:39

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General

Target

JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe
Size

665KB
MD5

5a1dd92b9a49a42c3512585900209f6e
SHA1

069ab8362785c2c05409f7329c7868d565140482
SHA256

39b57cec84e2147062c0ce1587177c3148ea3a378b5de0ee2126f6fb3c5547a0
SHA512

145f28f1e8b0b74ec18a465e6f9c286b5c7d08ca1b235f81f4451a44b262b3eeefafba49b81253017d9322df04e36813900f7c186c2fdd2ce99b4e0df79c8df1
SSDEEP

6144:9kSWzbB4OWs8IOybtD0SPnSUI4zjj2IaMfe6MPgyl:9kpzqOR88btgWS3Sucqgy

Score

10^/10

blackshades defense_evasion discovery persistence rat upx

Malware Config

Signatures

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

Blackshades payload 2 IoCs

resource	yara_rule
behavioral2/memory/1516-9-0x0000000000400000-0x000000000047C000-memory.dmp	family_blackshades
behavioral2/memory/1516-10-0x0000000000400000-0x000000000047C000-memory.dmp	family_blackshades

Modifies firewall policy service 3 TTPs 10 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

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

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-1-5-21-2089655958-977706906-1981639424-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe"	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1836 set thread context of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1516-3-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/1516-7-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/1516-9-0x0000000000400000-0x000000000047C000-memory.dmp	upx
behavioral2/memory/1516-10-0x0000000000400000-0x000000000047C000-memory.dmp	upx

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	applaunch.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
5048	reg.exe
2484	reg.exe
3896	reg.exe
1352	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: 1	1516	applaunch.exe
Token: SeCreateTokenPrivilege	1516	applaunch.exe
Token: SeAssignPrimaryTokenPrivilege	1516	applaunch.exe
Token: SeLockMemoryPrivilege	1516	applaunch.exe
Token: SeIncreaseQuotaPrivilege	1516	applaunch.exe
Token: SeMachineAccountPrivilege	1516	applaunch.exe
Token: SeTcbPrivilege	1516	applaunch.exe
Token: SeSecurityPrivilege	1516	applaunch.exe
Token: SeTakeOwnershipPrivilege	1516	applaunch.exe
Token: SeLoadDriverPrivilege	1516	applaunch.exe
Token: SeSystemProfilePrivilege	1516	applaunch.exe
Token: SeSystemtimePrivilege	1516	applaunch.exe
Token: SeProfSingleProcessPrivilege	1516	applaunch.exe
Token: SeIncBasePriorityPrivilege	1516	applaunch.exe
Token: SeCreatePagefilePrivilege	1516	applaunch.exe
Token: SeCreatePermanentPrivilege	1516	applaunch.exe
Token: SeBackupPrivilege	1516	applaunch.exe
Token: SeRestorePrivilege	1516	applaunch.exe
Token: SeShutdownPrivilege	1516	applaunch.exe
Token: SeDebugPrivilege	1516	applaunch.exe
Token: SeAuditPrivilege	1516	applaunch.exe
Token: SeSystemEnvironmentPrivilege	1516	applaunch.exe
Token: SeChangeNotifyPrivilege	1516	applaunch.exe
Token: SeRemoteShutdownPrivilege	1516	applaunch.exe
Token: SeUndockPrivilege	1516	applaunch.exe
Token: SeSyncAgentPrivilege	1516	applaunch.exe
Token: SeEnableDelegationPrivilege	1516	applaunch.exe
Token: SeManageVolumePrivilege	1516	applaunch.exe
Token: SeImpersonatePrivilege	1516	applaunch.exe
Token: SeCreateGlobalPrivilege	1516	applaunch.exe
Token: 31	1516	applaunch.exe
Token: 32	1516	applaunch.exe
Token: 33	1516	applaunch.exe
Token: 34	1516	applaunch.exe
Token: 35	1516	applaunch.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1516	applaunch.exe
1516	applaunch.exe
1516	applaunch.exe
1516	applaunch.exe
1516	applaunch.exe
1516	applaunch.exe
1516	applaunch.exe
1516	applaunch.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1836 wrote to memory of 1516	1836	JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe	85
PID 1516 wrote to memory of 3516	1516	applaunch.exe	86
PID 1516 wrote to memory of 3516	1516	applaunch.exe	86
PID 1516 wrote to memory of 3516	1516	applaunch.exe	86
PID 1516 wrote to memory of 1336	1516	applaunch.exe	87
PID 1516 wrote to memory of 1336	1516	applaunch.exe	87
PID 1516 wrote to memory of 1336	1516	applaunch.exe	87
PID 1516 wrote to memory of 2944	1516	applaunch.exe	88
PID 1516 wrote to memory of 2944	1516	applaunch.exe	88
PID 1516 wrote to memory of 2944	1516	applaunch.exe	88
PID 1516 wrote to memory of 5032	1516	applaunch.exe	89
PID 1516 wrote to memory of 5032	1516	applaunch.exe	89
PID 1516 wrote to memory of 5032	1516	applaunch.exe	89
PID 5032 wrote to memory of 5048	5032	cmd.exe	94
PID 5032 wrote to memory of 5048	5032	cmd.exe	94
PID 5032 wrote to memory of 5048	5032	cmd.exe	94
PID 1336 wrote to memory of 2484	1336	cmd.exe	95
PID 1336 wrote to memory of 2484	1336	cmd.exe	95
PID 1336 wrote to memory of 2484	1336	cmd.exe	95
PID 2944 wrote to memory of 3896	2944	cmd.exe	96
PID 2944 wrote to memory of 3896	2944	cmd.exe	96
PID 2944 wrote to memory of 3896	2944	cmd.exe	96
PID 3516 wrote to memory of 1352	3516	cmd.exe	97
PID 3516 wrote to memory of 1352	3516	cmd.exe	97
PID 3516 wrote to memory of 1352	3516	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a1dd92b9a49a42c3512585900209f6e.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\applaunch.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\applaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1516
- - 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:3516
  - - 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:1352
- - 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\applaunch.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\applaunch.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - 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\applaunch.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\applaunch.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2484
- - 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:2944
  - - 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:3896
- - 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\update.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\update.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5032
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\update.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\update.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:5048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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/1516-3-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1516-7-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1516-9-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1516-10-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1836-0-0x00000000746E2000-0x00000000746E3000-memory.dmp

Filesize
4KB

Download
memory/1836-1-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/1836-2-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/1836-14-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads