10f830031edca98d451224dd68792fa20f767a04cec2257d12c1f1314b8e6bdc

General

Target

3057f902a6185c42451ff90062fea306_JaffaCakes118.exe
Size

236KB
MD5

3057f902a6185c42451ff90062fea306
SHA1

20e58eb04c628fdf98c2d1251cacc72d17fb3bd1
SHA256

10f830031edca98d451224dd68792fa20f767a04cec2257d12c1f1314b8e6bdc
SHA512

bce38792b0ced72e53082d873416636f2f6635888e1ef1a2d44bbf5f9d580e977fbc73fa2858da418ca132961442e6d7208f1c891cfff2f6e597ef9aa249bf9d
SSDEEP

6144:fcA7yhnTUzDpJRgzhpnwFTb+2ICrYWhesRMyNoCBz8yf3d1sWOjN//IlQXxR/f:kA/whpnwFTb+2ICr7X1+/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2976	winkernel32.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVCHOST32 = "C:\\Arquivos de programas\\svchost32.EXE"	winkernel32.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVCHOST32 = "C:\\Arquivos de programas\\svchost32.EXE"	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\comdlg32.ocx	winkernel32.EXE
File opened for modification	C:\Windows\SysWOW64\comdlg32.ocx	winkernel32.EXE

Drops file in Windows directory 27 IoCs

description	ioc	Process
File created	C:\Windows\inf\b02.JPG	winkernel32.EXE
File opened for modification	C:\Windows\ansmtp.dll	winkernel32.EXE
File created	C:\Windows\inf\i01.JPG	winkernel32.EXE
File created	C:\Windows\inf\i03.JPG	winkernel32.EXE
File created	C:\Windows\inf\i02.JPG	winkernel32.EXE
File created	C:\Windows\inf\i05.JPG	winkernel32.EXE
File created	C:\Windows\inf\gereba01.JPG	winkernel32.EXE
File opened for modification	C:\Windows\ansmtpbuild.dll	winkernel32.EXE
File created	C:\Windows\inf\anenvia.inf	winkernel32.EXE
File created	C:\Windows\inf\anvaila.inf	winkernel32.EXE
File created	C:\Windows\inf\comdlg32.inf	winkernel32.EXE
File created	C:\Windows\inf\azul01.JPG	winkernel32.EXE
File opened for modification	C:\Windows\inf\appstart32.inf	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe
File created	C:\Windows\inf\r02.JPG	winkernel32.EXE
File created	C:\Windows\inf\r03.JPG	winkernel32.EXE
File created	C:\Windows\inf\b01.JPG	winkernel32.EXE
File opened for modification	C:\Windows\inf\append.inf	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe
File created	C:\Windows\inf\gereba02.JPG	winkernel32.EXE
File created	C:\Windows\inf\r04.JPG	winkernel32.EXE
File created	C:\Windows\inf\i07.JPG	winkernel32.EXE
File created	C:\Windows\ansmtpbuild.dll	winkernel32.EXE
File created	C:\Windows\inf\anmanda.inf	winkernel32.EXE
File created	C:\Windows\inf\r01.JPG	winkernel32.EXE
File created	C:\Windows\inf\i04.JPG	winkernel32.EXE
File created	C:\Windows\inf\i06.JPG	winkernel32.EXE
File created	C:\Windows\ansmtp.dll	winkernel32.EXE
File created	C:\Windows\inf\azul02.JPG	winkernel32.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2976	winkernel32.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1988	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe
2976	winkernel32.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2976	1988	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe	31
PID 1988 wrote to memory of 2976	1988	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe	31
PID 1988 wrote to memory of 2976	1988	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe	31
PID 1988 wrote to memory of 2976	1988	3057f902a6185c42451ff90062fea306_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\3057f902a6185c42451ff90062fea306_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3057f902a6185c42451ff90062fea306_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1988
- C:\winkernel32.EXE
  C:\winkernel32.EXE
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2976

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NIUC9X25\gereba01[1].htm

Filesize
167B

MD5
0104c301c5e02bd6148b8703d19b3a73

SHA1
7436e0b4b1f8c222c38069890b75fa2baf9ca620

SHA256
446a6087825fa73eadb045e5a2e9e2adf7df241b571228187728191d961dda1f

SHA512
84427b656a6234a651a6d8285c103645b861a18a6c5af4abb5cb4f3beb5a4f0df4a74603a0896c7608790fbb886dc40508e92d5709f44dca05dd46c8316d15bf

Download Submit
C:\Windows\inf\anvaila.inf

Filesize
90KB

MD5
f7c2ad3d15223dabac97ca3eb161068a

SHA1
18b04c1dc97f6a05a34dbc22d34e8305360943d0

SHA256
095c11a4caf99865699fa1767aadc0089c264f6a978654ad76f164176158022b

SHA512
d1e31491a598646d299472f5279aa09f1227b666c2baab723b311023499e476328559d0abb741ad2381c60ab9c74b71f81f6a9dd3002cd25146758403b9ce3ee

Download Submit
C:\winkernel32.EXE

Filesize
236KB

MD5
3057f902a6185c42451ff90062fea306

SHA1
20e58eb04c628fdf98c2d1251cacc72d17fb3bd1

SHA256
10f830031edca98d451224dd68792fa20f767a04cec2257d12c1f1314b8e6bdc

SHA512
bce38792b0ced72e53082d873416636f2f6635888e1ef1a2d44bbf5f9d580e977fbc73fa2858da418ca132961442e6d7208f1c891cfff2f6e597ef9aa249bf9d

Download Submit
memory/1988-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads