a4bf8f557dde1577fdc9f45ec6490525fedfde75ec3318e9398e221fab00adad

General

Target

d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
Size

15KB
MD5

d1ac4071d870ccaa573a59581b215cef
SHA1

fa0b0dd20850dc596559cdee4943ca05f95b8609
SHA256

a4bf8f557dde1577fdc9f45ec6490525fedfde75ec3318e9398e221fab00adad
SHA512

d57a68fae0175a96fc2101f986bc6f09335f18312755a627a962ff153ba6f9b3d73863262f46815b0dbe70e0f865ee247610fd01840706c8b938902d731327c6
SSDEEP

384:bjxPJFhd3o6dm1w/v3qNrciy6kpvLN4YiIYdeyt7lL3Ht84B:phFTo6P/f556ghXyt5L3X

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\nwapi32dj.dll = "{A2C3BA54-DF75-4881-8EB3-E54B26BBBBC9}"	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1540	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nwapi32dj.tmp	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\nwapi32dj.tmp	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\nwapi32dj.nls	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A2C3BA54-DF75-4881-8EB3-E54B26BBBBC9}\InProcServer32	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A2C3BA54-DF75-4881-8EB3-E54B26BBBBC9}\InProcServer32\ = "C:\\Windows\\SysWow64\\nwapi32dj.dll"	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A2C3BA54-DF75-4881-8EB3-E54B26BBBBC9}\InProcServer32\ThreadingModel = "Apartment"	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A2C3BA54-DF75-4881-8EB3-E54B26BBBBC9}	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1540	2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe	30
PID 2400 wrote to memory of 1540	2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe	30
PID 2400 wrote to memory of 1540	2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe	30
PID 2400 wrote to memory of 1540	2400	d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1ac4071d870ccaa573a59581b215cef_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\13EE.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1540

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:\Users\Admin\AppData\Local\Temp\13EE.tmp.bat

Filesize
207B

MD5
5d4d605b28bde681fba05d4f3db23c69

SHA1
11ec3df7cb6a7e4e7fa14eeb08c72ad9ea217049

SHA256
d6674244b208e598d8c5014b439ea407fd2b23a8d8aee65217cee4c3379b7555

SHA512
f9a92efb3c275a599367cd6887129fcf475a365b70df6a945c3202ad03f7d8530a03a472ffc3fe05d72a3a1d1a7d34527c40405554093cfbab0255c07773daef

Download Submit
C:\Windows\SysWOW64\nwapi32dj.nls

Filesize
428B

MD5
8a0cdcc50012ef4838142a07b7264322

SHA1
e5a68e996d5640228869a43ab17e95f222ba8444

SHA256
4cb7fea0e70faf0502c006057b5b5ece0ac3192b787939dbbd2837855fc8a5be

SHA512
0a3e099a69edf19ad0a265c64fd8dd6904d7e0b667f8c6c448e7f3f09f251133eacdcd7812abe4e6550f154c9eebb96a29351a630d2fbf88d6432e59fa83aa58

Download Submit
C:\Windows\SysWOW64\nwapi32dj.tmp

Filesize
2.2MB

MD5
921fe693d1cb6b26061dd5d2ab72a562

SHA1
c8d0db1b566884064813e0d5056b568095edafb3

SHA256
daf72b6c0c1ec13444d0fa12c0d334b81d00487db64803302d699420656b356b

SHA512
16a63a938e7a533672a5a5b170724a4060da07e5e3275b98c7e1c23db34cb7acdb1f79631fcfd0e5638de2d279cdadabb629df6a6d8a269ec8fbf11818d4b1c8

Download Submit
memory/2400-16-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2400-25-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads