f5e7351f74d4262cfd1bf807fe8b10dc04d98b65b788d54bcb78cf6b33716f7a

General

Target

b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
Size

13KB
MD5

b2331a57a1f93fce1c856ad4d39510dc
SHA1

44aa8d5a7d0f3e4709697e8409cfddfd37364a40
SHA256

f5e7351f74d4262cfd1bf807fe8b10dc04d98b65b788d54bcb78cf6b33716f7a
SHA512

ab837603fc64d366adc54d4f5dc1f79d7cc34bbce92fe1ea6793ddb342459468859259b75b4f121ab3cd38a83259281968c9d18f67c25fec4b8bd6a7602a2210
SSDEEP

384:U9AUK3nV69Klt752cCOQrXaKGw1jVGgSJpzC/:FV6Ml5ZQLa4Qm/

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\lryepand.dll = "{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}"	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2860	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lryepand.tmp	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\lryepand.tmp	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\lryepand.nls	b2331a57a1f93fce1c856ad4d39510dc_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	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ThreadingModel = "Apartment"	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ = "C:\\Windows\\SysWow64\\lryepand.dll"	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2860	1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe	31
PID 1700 wrote to memory of 2860	1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe	31
PID 1700 wrote to memory of 2860	1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe	31
PID 1700 wrote to memory of 2860	1700	b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b2331a57a1f93fce1c856ad4d39510dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b2331a57a1f93fce1c856ad4d39510dc_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:1700
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\142C.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2860

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\142C.tmp.bat

Filesize
207B

MD5
47fae0d3f5224a51a5739db37da9845a

SHA1
6b1f331c76204677acd73ee2b574db7d87c0efc4

SHA256
330089e52d06268026abd3227212e1d67a9d42802e432e19d868e882868decc0

SHA512
ccdac05b42ddfb0eabc82b9368ec082bcf738a2028d42a3391e5e24e5be2064a3c82a69f75c451f0e008f107ffc208db120a7e2c83e67306a1660dc87580896b

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

Filesize
2.2MB

MD5
620e820c4ce4d6cac638baa5a5219829

SHA1
9fbf0e5df93691bbf861aef5b15e798bcff82f62

SHA256
e2e4265131cddf07623926413dfdc8076d01357439a3e7b59f3139b1559c7aac

SHA512
f504382be2c8e61ce929816423e1354c51e74093dabedd17360d4fa765846550339d05813be0795f9018ed383dae927e67adc4ba71b8d9c5be9578036cd9f8bc

Download Submit
memory/1700-8-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download
memory/1700-17-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads