257f2818157f8d0deb0bec5b86fa3d21b6b68ae456669bcfd68ac52e0dbc32ff

General

Target

f18064fbd77645586cc39047a7485238_JaffaCakes118.exe
Size

3.6MB
MD5

f18064fbd77645586cc39047a7485238
SHA1

b9ac9a905bb92a0137f7c39303fc715a675c09a9
SHA256

257f2818157f8d0deb0bec5b86fa3d21b6b68ae456669bcfd68ac52e0dbc32ff
SHA512

6dc479aba12e387992ba2680799baea36d1195c097e3c94237e973227a8464c1cfce22c9487e276fe5ec83e68ff48e4412f07014b15d4d9656cad2db7cd15a1e
SSDEEP

49152:SEjtrqyB6CZCPya8Pbnyln44yWfqcvgQJmdCZM8eUlF6JJpNbH:SEprnICsPB8PbnGn9tqcvRtW8vGjbH

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2016	netsh.exe

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Uses Session Manager for persistence 2 TTPs 3 IoCs

Creates Session Manager registry key to run executable early in system boot.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Control\Session manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows32 = "C:\\windows\\system\\system.exe"	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\autoconvv.RRI	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe
File opened for modification	\??\c:\windows\SysWOW64\autoconvv.RRI	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\reg_0001.txt	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32AntiDelete	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1020	sc.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3208	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 3208	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	87
PID 3200 wrote to memory of 3208	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	87
PID 3200 wrote to memory of 3208	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	87
PID 3200 wrote to memory of 1020	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	88
PID 3200 wrote to memory of 1020	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	88
PID 3200 wrote to memory of 1020	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	88
PID 3200 wrote to memory of 2996	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	90
PID 3200 wrote to memory of 2996	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	90
PID 3200 wrote to memory of 2996	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	90
PID 3200 wrote to memory of 1976	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	91
PID 3200 wrote to memory of 1976	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	91
PID 3200 wrote to memory of 1976	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	91
PID 3200 wrote to memory of 2536	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	92
PID 3200 wrote to memory of 2536	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	92
PID 3200 wrote to memory of 2536	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	92
PID 3200 wrote to memory of 2016	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	93
PID 3200 wrote to memory of 2016	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	93
PID 3200 wrote to memory of 2016	3200	f18064fbd77645586cc39047a7485238_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\f18064fbd77645586cc39047a7485238_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f18064fbd77645586cc39047a7485238_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Creates scheduled task(s)
  PID:3208
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:1020
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2996
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:1976
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2536
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram C:\windows\system\system.exe RPCCC
  2⤵
  - Modifies Windows Firewall
  PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Create or Modify System Process

2

T1543

Windows Service

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Create or Modify System Process

2

T1543

Windows Service

Scheduled Task/Job

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

memory/3200-0-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-1-0x00000000009E0000-0x00000000009E2000-memory.dmp

Filesize
8KB

Download
memory/3200-2-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download
memory/3200-4-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-5-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-6-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-7-0x00000000009E0000-0x00000000009E2000-memory.dmp

Filesize
8KB

Download
memory/3200-8-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download
memory/3200-9-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-10-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-11-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-12-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-13-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-14-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-16-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-17-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download
memory/3200-18-0x0000000000400000-0x0000000000901000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads