ddafb17dd38eb20e54b727a1c17c659d6130ee14e8a3fa952f18c43f47a47cbf

General

Target

a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
Size

99KB
MD5

a2617801dcc538daf32a840b74bbfa94
SHA1

3b33ad156291a465c849e70b7231068342d4ccaf
SHA256

ddafb17dd38eb20e54b727a1c17c659d6130ee14e8a3fa952f18c43f47a47cbf
SHA512

6b1d2596662d61ab451aa45f1aca6e8f5b34802bee334c2fc8b1a0ca5c87ff4804b36023efa27bceedfb973b634c5d961f9ecec9f9b07b227d7bf2a48faca396
SSDEEP

1536:lVq+QT183XZnxaK42eU9fhlR7zDefWpqFQJcNC0mevWxvm7ncgHcxKo9:JW+HyKJect7zDefpGc8C+RinX8xKo9

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3976	intenat.exe

Loads dropped DLL 2 IoCs

pid	Process
3976	intenat.exe
3976	intenat.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\ = "C:\\Windows\\system32\\intenat.exe"	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\intenat.exe	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\intenat.exe	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\key.dll	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\key.dll	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Deleteme.bat	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1744	3976	WerFault.exe	84
2884	3976	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 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	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	intenat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 3976	4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe	84
PID 4396 wrote to memory of 3976	4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe	84
PID 4396 wrote to memory of 3976	4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe	84
PID 4396 wrote to memory of 4960	4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe	91
PID 4396 wrote to memory of 4960	4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe	91
PID 4396 wrote to memory of 4960	4396	a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a2617801dcc538daf32a840b74bbfa94_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\intenat.exe
  C:\Windows\system32\intenat.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 380
    3⤵
    - Program crash
    PID:1744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 500
    3⤵
    - Program crash
    PID:2884
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Deleteme.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3976 -ip 3976
1⤵
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3976 -ip 3976
1⤵
PID:704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Deleteme.bat

Filesize
147B

MD5
3304d8fd05459371c460043cc5287f4d

SHA1
7fec4138b6ef26df569ea0d5665414f7e753d80d

SHA256
7766a04241de4f883929e3d6f65b13cccf8cfe50546606e7370ff9aa3804eafd

SHA512
a5fc94407423c72242b07373db6e54aecc67bad3f3d902d390fa6886f6964d2419d23a1e0338917318b8928860d71685da4bdc76b6b28ab3a3105c1a58ba4dcd

Download Submit
C:\Windows\SysWOW64\intenat.exe

Filesize
99KB

MD5
a2617801dcc538daf32a840b74bbfa94

SHA1
3b33ad156291a465c849e70b7231068342d4ccaf

SHA256
ddafb17dd38eb20e54b727a1c17c659d6130ee14e8a3fa952f18c43f47a47cbf

SHA512
6b1d2596662d61ab451aa45f1aca6e8f5b34802bee334c2fc8b1a0ca5c87ff4804b36023efa27bceedfb973b634c5d961f9ecec9f9b07b227d7bf2a48faca396

Download Submit
C:\Windows\SysWOW64\key.dll

Filesize
43KB

MD5
62b93a4c9ace301a4d1b45ad6c234568

SHA1
fe96bd64dd5c68c932b8dcabb1b8e49a4dcb65bb

SHA256
b9148170439c13315a53863b131791993c09647206e7914b4cf4a6cae01f45b1

SHA512
dc8bf4251b139de03e9026b4fd253aef97044c45b15911fcaeb14fe396f0f75870c831aadef60225c94ed521ea016011aebd0b2a6727f2f296e25aebb91d19c2

Download Submit
memory/3976-9-0x0000000000580000-0x000000000058F000-memory.dmp

Filesize
60KB

Download
memory/3976-14-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4396-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads