blackshades | 42cd1610c7edb6e98a07941f8d3ec9d48db63ed4a9bdde2b1558c17b8f53d9b8

Analysis

max time kernel
147s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 01:33

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General

Target
JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe
Size 636KB
Sample250128-byh3rssney
SHA256 42cd1610c7edb6e98a07941f8d3ec9d48db63ed4a9bdde2b1558c17b8f53d9b8
MD5 4580fe6d9ee7cc65010f060c8677f75c
SHA1 406462e813b957cb97da51584165b93ffc1a9215
SHA512 e7077668f0b1b6dcdb23da064cf8d5d897dc3033330a78ac83142964c9c5c5547d96182ee6e440da566ed66f569b89c5a2b2412d1f7de3aca997471921b9b4a5
SSDEEP 12288:bd3TI6OwAMdGcEEUuZYo6TFS33PID5wePWo1T8YrJEZb:B3TIXwAtc1UuZKTXKYYYrG
MD5 SHA1 SHA512 SSDEEP

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 9 IoCs

resource	yara_rule
behavioral1/memory/3012-25-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-22-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-36-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-37-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-40-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-41-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-44-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-49-0x0000000000400000-0x0000000000470000-memory.dmp	family_blackshades
behavioral1/memory/3012-52-0x0000000000400000-0x0000000000470000-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
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.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\oferta.exe = "C:\\Users\\Admin\\AppData\\Roaming\\oferta.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\oferta = "C:\\Users\\Admin\\AppData\\Roaming\\oferta.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3012	svchost.exe

Loads dropped DLL 5 IoCs

pid	Process
2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe
2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe
2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe
2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe
2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\oferta = "C:\\Users\\Admin\\AppData\\Roaming\\oferta.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\oferta = "C:\\Users\\Admin\\AppData\\Roaming\\oferta.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe"	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29

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	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
2248	reg.exe
2768	reg.exe
2256	reg.exe
1128	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: 1	3012	svchost.exe
Token: SeCreateTokenPrivilege	3012	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	3012	svchost.exe
Token: SeLockMemoryPrivilege	3012	svchost.exe
Token: SeIncreaseQuotaPrivilege	3012	svchost.exe
Token: SeMachineAccountPrivilege	3012	svchost.exe
Token: SeTcbPrivilege	3012	svchost.exe
Token: SeSecurityPrivilege	3012	svchost.exe
Token: SeTakeOwnershipPrivilege	3012	svchost.exe
Token: SeLoadDriverPrivilege	3012	svchost.exe
Token: SeSystemProfilePrivilege	3012	svchost.exe
Token: SeSystemtimePrivilege	3012	svchost.exe
Token: SeProfSingleProcessPrivilege	3012	svchost.exe
Token: SeIncBasePriorityPrivilege	3012	svchost.exe
Token: SeCreatePagefilePrivilege	3012	svchost.exe
Token: SeCreatePermanentPrivilege	3012	svchost.exe
Token: SeBackupPrivilege	3012	svchost.exe
Token: SeRestorePrivilege	3012	svchost.exe
Token: SeShutdownPrivilege	3012	svchost.exe
Token: SeDebugPrivilege	3012	svchost.exe
Token: SeAuditPrivilege	3012	svchost.exe
Token: SeSystemEnvironmentPrivilege	3012	svchost.exe
Token: SeChangeNotifyPrivilege	3012	svchost.exe
Token: SeRemoteShutdownPrivilege	3012	svchost.exe
Token: SeUndockPrivilege	3012	svchost.exe
Token: SeSyncAgentPrivilege	3012	svchost.exe
Token: SeEnableDelegationPrivilege	3012	svchost.exe
Token: SeManageVolumePrivilege	3012	svchost.exe
Token: SeImpersonatePrivilege	3012	svchost.exe
Token: SeCreateGlobalPrivilege	3012	svchost.exe
Token: 31	3012	svchost.exe
Token: 32	3012	svchost.exe
Token: 33	3012	svchost.exe
Token: 34	3012	svchost.exe
Token: 35	3012	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3012	svchost.exe
3012	svchost.exe
3012	svchost.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 2304 wrote to memory of 3012	2304	JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe	29
PID 3012 wrote to memory of 2184	3012	svchost.exe	30
PID 3012 wrote to memory of 2184	3012	svchost.exe	30
PID 3012 wrote to memory of 2184	3012	svchost.exe	30
PID 3012 wrote to memory of 2184	3012	svchost.exe	30
PID 3012 wrote to memory of 1528	3012	svchost.exe	31
PID 3012 wrote to memory of 1528	3012	svchost.exe	31
PID 3012 wrote to memory of 1528	3012	svchost.exe	31
PID 3012 wrote to memory of 1528	3012	svchost.exe	31
PID 3012 wrote to memory of 2740	3012	svchost.exe	32
PID 3012 wrote to memory of 2740	3012	svchost.exe	32
PID 3012 wrote to memory of 2740	3012	svchost.exe	32
PID 3012 wrote to memory of 2740	3012	svchost.exe	32
PID 3012 wrote to memory of 2620	3012	svchost.exe	33
PID 3012 wrote to memory of 2620	3012	svchost.exe	33
PID 3012 wrote to memory of 2620	3012	svchost.exe	33
PID 3012 wrote to memory of 2620	3012	svchost.exe	33
PID 2740 wrote to memory of 2768	2740	cmd.exe	39
PID 2740 wrote to memory of 2768	2740	cmd.exe	39
PID 2740 wrote to memory of 2768	2740	cmd.exe	39
PID 2740 wrote to memory of 2768	2740	cmd.exe	39
PID 1528 wrote to memory of 2256	1528	cmd.exe	38
PID 1528 wrote to memory of 2256	1528	cmd.exe	38
PID 1528 wrote to memory of 2256	1528	cmd.exe	38
PID 1528 wrote to memory of 2256	1528	cmd.exe	38
PID 2184 wrote to memory of 1128	2184	cmd.exe	41
PID 2184 wrote to memory of 1128	2184	cmd.exe	41
PID 2184 wrote to memory of 1128	2184	cmd.exe	41
PID 2184 wrote to memory of 1128	2184	cmd.exe	41
PID 2620 wrote to memory of 2248	2620	cmd.exe	40
PID 2620 wrote to memory of 2248	2620	cmd.exe	40
PID 2620 wrote to memory of 2248	2620	cmd.exe	40
PID 2620 wrote to memory of 2248	2620	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4580fe6d9ee7cc65010f060c8677f75c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2184
  - - 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:1128
- - 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\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2256
- - 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:2740
  - - 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:2768
- - 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\oferta.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\oferta.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2620
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\oferta.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\oferta.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2248

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

icore.dll

Path \Users\Admin\AppData\Local\Temp\icore.dll
Size 19KB
SHA256 82c25231f22aad5cc6bf16f6d620cb9162c212b4d6e16ff8c7a0ee79ab1dbfb7
MD5 2abe226cb0dd7010733a5707a7579c3b
SHA1 aecfe7bab982ee34ee5e97c9e5bcd51e09a9cf9c
SHA512 217ea77560bd4dd1f06e3bf4da2e78f501666245c121504295b68269a9dcd50f1a457f394386c0e6edbc783ebcc1a973aa7214e71795c434a759e5d5f31c740c
SSDEEP 384:Kbz9WiNfDZbCZtJKmrmiz+bqrFc5/u9u+LRvzowmz6VUYi621H:sfxMz+qcM9zoJOab62V
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path \Users\Admin\AppData\Roaming\svchost.exe
Size 16KB
SHA256 65ea6ea7939a49af155c60872b1e1a7625810b41f2d023ee3744e5253e5f990d
MD5 9d76fbb41669a47b81fdcb983a3f2776
SHA1 95c8b122e3a412a2c1f04dc93c09c2569b8a4905
SHA512 f71bf28c5f30fd438a0b6a6c2275d88ae838debec14050e7d1fc2218143ff98a64adfed0d3cb9a10f412075ff7c8852a589049318bccea171f79aed8158f1151
SSDEEP 48:yrn6CA0+2tb+mYUQsQAjQasbCP6bkr5DNC8OrgJorw3lK2:enHJtb+mYowCSbINNXnr82
MD5 SHA1 SHA512 SSDEEP

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memory/2304-0-0x0000000074441000-0x0000000074442000-memory.dmp

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memory/2304-1-0x0000000074440000-0x00000000749EB000-memory.dmp

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memory/2304-2-0x0000000074440000-0x00000000749EB000-memory.dmp

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memory/2304-35-0x0000000074440000-0x00000000749EB000-memory.dmp

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memory/3012-22-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/3012-25-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-20-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-19-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-36-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-37-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-40-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-41-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-44-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-49-0x0000000000400000-0x0000000000470000-memory.dmp

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memory/3012-52-0x0000000000400000-0x0000000000470000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads