b136fb788d01d3a21e6177bba932eb213d8491668f3a911b8c9e496edc26db1b

Analysis

max time kernel
148s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 06:25

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General

Target

a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe
Size

676KB
MD5

a5b857a4972fc76f74e7919bcc123fda
SHA1

b00fcf80fc287db906783d092a66d4210970f9e3
SHA256

b136fb788d01d3a21e6177bba932eb213d8491668f3a911b8c9e496edc26db1b
SHA512

d8629b482630aa1a4198772aef52f5fae5a2ab27b2223f625c3926400dc519d7ac1058c0135b8be8aee5f299c70c6d49a70f30791eb768e8eb843111a763ebfd
SSDEEP

12288:yxUKmu14ikXOuO6ShS3Q8WYKvQMoT32/oOzZKbWoo0f+dAlYHwuiLaFt3ar:yfmu14U6ShgQ8FHTGA6ZBdAlgwuiLan

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 10 IoCs

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:\Users\Admin\AppData\Roaming\WinSec.exe = "C:\\Users\\Admin\\AppData\\Roaming\\WinSec.exe:*:Enabled:Windows Messanger"	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\server1.exe = "C:\\Users\\Admin\\AppData\\Roaming\\server1.exe:*:Enabled:Windows Messanger"	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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	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

Executes dropped EXE 1 IoCs

pid	Process
4648	WinSec.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinDefend = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe"	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90

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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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	WinSec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
676	reg.exe
3004	reg.exe
1128	reg.exe
2436	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: 1	4648	WinSec.exe
Token: SeCreateTokenPrivilege	4648	WinSec.exe
Token: SeAssignPrimaryTokenPrivilege	4648	WinSec.exe
Token: SeLockMemoryPrivilege	4648	WinSec.exe
Token: SeIncreaseQuotaPrivilege	4648	WinSec.exe
Token: SeMachineAccountPrivilege	4648	WinSec.exe
Token: SeTcbPrivilege	4648	WinSec.exe
Token: SeSecurityPrivilege	4648	WinSec.exe
Token: SeTakeOwnershipPrivilege	4648	WinSec.exe
Token: SeLoadDriverPrivilege	4648	WinSec.exe
Token: SeSystemProfilePrivilege	4648	WinSec.exe
Token: SeSystemtimePrivilege	4648	WinSec.exe
Token: SeProfSingleProcessPrivilege	4648	WinSec.exe
Token: SeIncBasePriorityPrivilege	4648	WinSec.exe
Token: SeCreatePagefilePrivilege	4648	WinSec.exe
Token: SeCreatePermanentPrivilege	4648	WinSec.exe
Token: SeBackupPrivilege	4648	WinSec.exe
Token: SeRestorePrivilege	4648	WinSec.exe
Token: SeShutdownPrivilege	4648	WinSec.exe
Token: SeDebugPrivilege	4648	WinSec.exe
Token: SeAuditPrivilege	4648	WinSec.exe
Token: SeSystemEnvironmentPrivilege	4648	WinSec.exe
Token: SeChangeNotifyPrivilege	4648	WinSec.exe
Token: SeRemoteShutdownPrivilege	4648	WinSec.exe
Token: SeUndockPrivilege	4648	WinSec.exe
Token: SeSyncAgentPrivilege	4648	WinSec.exe
Token: SeEnableDelegationPrivilege	4648	WinSec.exe
Token: SeManageVolumePrivilege	4648	WinSec.exe
Token: SeImpersonatePrivilege	4648	WinSec.exe
Token: SeCreateGlobalPrivilege	4648	WinSec.exe
Token: 31	4648	WinSec.exe
Token: 32	4648	WinSec.exe
Token: 33	4648	WinSec.exe
Token: 34	4648	WinSec.exe
Token: 35	4648	WinSec.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4648	WinSec.exe
4648	WinSec.exe
4648	WinSec.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 2680 wrote to memory of 4648	2680	a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe	90
PID 4648 wrote to memory of 788	4648	WinSec.exe	92
PID 4648 wrote to memory of 788	4648	WinSec.exe	92
PID 4648 wrote to memory of 788	4648	WinSec.exe	92
PID 4648 wrote to memory of 3536	4648	WinSec.exe	93
PID 4648 wrote to memory of 3536	4648	WinSec.exe	93
PID 4648 wrote to memory of 3536	4648	WinSec.exe	93
PID 4648 wrote to memory of 3220	4648	WinSec.exe	94
PID 4648 wrote to memory of 3220	4648	WinSec.exe	94
PID 4648 wrote to memory of 3220	4648	WinSec.exe	94
PID 4648 wrote to memory of 5056	4648	WinSec.exe	95
PID 4648 wrote to memory of 5056	4648	WinSec.exe	95
PID 4648 wrote to memory of 5056	4648	WinSec.exe	95
PID 5056 wrote to memory of 3004	5056	cmd.exe	101
PID 5056 wrote to memory of 3004	5056	cmd.exe	101
PID 5056 wrote to memory of 3004	5056	cmd.exe	101
PID 3220 wrote to memory of 676	3220	cmd.exe	100
PID 3220 wrote to memory of 676	3220	cmd.exe	100
PID 3220 wrote to memory of 676	3220	cmd.exe	100
PID 788 wrote to memory of 1128	788	cmd.exe	102
PID 788 wrote to memory of 1128	788	cmd.exe	102
PID 788 wrote to memory of 1128	788	cmd.exe	102
PID 3536 wrote to memory of 2436	3536	cmd.exe	103
PID 3536 wrote to memory of 2436	3536	cmd.exe	103
PID 3536 wrote to memory of 2436	3536	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a5b857a4972fc76f74e7919bcc123fda_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Roaming\WinSec.exe
  C:\Users\Admin\AppData\Roaming\WinSec.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4648
- - 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:788
  - - 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\WinSec.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinSec.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3536
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\WinSec.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinSec.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2436
- - 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:3220
  - - 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:676
- - 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\server1.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\server1.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5056
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\server1.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\server1.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:3004

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4084,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=1028 /prefetch:8
1⤵
PID:3560

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

C:\Users\Admin\AppData\Roaming\WinSec.exe

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/2680-12-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2680-1-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2680-2-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2680-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

Filesize
4KB

Download
memory/4648-18-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-9-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-5-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-20-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-21-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-22-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-24-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-25-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-26-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4648-29-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads