82d30cbd2fa146dba047cc6db8621e6ca5e1c8458c8b38386e0d64674927bddc

General

Target

8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
Size

14KB
MD5

8ef7a77e3251843d5c483b4079c21239
SHA1

35b9eb0f9edca1ad25b817ac9ea3466c79700b98
SHA256

82d30cbd2fa146dba047cc6db8621e6ca5e1c8458c8b38386e0d64674927bddc
SHA512

5e1285f687856ea8f5dd60ceaa5561bb0c510d1a161ed9857cc52b07a6ba2ddff94efde49d4827352c6790e99683068acd1eedc64e2a8db7cf79b0c3780885bc
SSDEEP

384:aS7e2bL8FmTZlnCZNsqd/rCHFuXybCMp9E5jrfSWoqXOXWP1KmWtgX:ayL8FmTZlC3fGSAEtrSWo1Ov

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\myowoflu.dll = "{71A78CD4-E470-4a18-8457-E0E0283DD507}"	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2908	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\myowoflu.tmp	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\myowoflu.nls	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\myowoflu.tmp	8ef7a77e3251843d5c483b4079c21239_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	8ef7a77e3251843d5c483b4079c21239_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\{71A78CD4-E470-4a18-8457-E0E0283DD507}	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32\ = "C:\\Windows\\SysWow64\\myowoflu.dll"	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32\ThreadingModel = "Apartment"	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2908	2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2908	2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2908	2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2908	2312	8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\8ef7a77e3251843d5c483b4079c21239_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8ef7a77e3251843d5c483b4079c21239_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:2312
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\72C0.tmp.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2908

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\72C0.tmp.bat

Filesize
207B

MD5
f8e69a836491e6cdc59f3c256f29e337

SHA1
04af7e9beddc5e775c7df720cb3f6fb0f5c85975

SHA256
e873ccbc9a228a86fb6913a5c6f3f30dc2ecbbf76c016e00123380f3a13e55b4

SHA512
5672da75a1dbd5e97bd2cd92438365c468b76f8d870c0aabe9f3be746342172c012f8bc22625117ea22b9e9e6441599dbaaa9630e666261cea555915fb876cf2

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

Filesize
428B

MD5
1d3759bf6bfcd56812d4c7a38fc230bd

SHA1
4ef68afd4bf5598e075cc604168f28706d4d2613

SHA256
c72245140d07bfeb3f4fde9f11c8662d840fe1ea49f750b86041696f609c1e60

SHA512
e2a46695431de487fbec0bb3c69c83d698f51422a8d3c015d57de81363e570869bfb7646b76b89df8657584476c844219fa838fae65525aaa0428620a5fb7dbe

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

Filesize
2.3MB

MD5
69d925dc748774a364b2f8386b19a4f2

SHA1
4651ca62d95ad5fde233df1c9cb4b2a434665b8a

SHA256
9826bfb830300104c3aae87c73697766b81f4de4c42d1266576529eb38e5c019

SHA512
2127f584fb361b0b91d7551bb7c13e775cb52736045766039835b01fb9f8f317b8afc0095cf4e54e8ba5d753c6eca0e7eb780c51d7e332215f7148930622e9c3

Download Submit
memory/2312-16-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/2312-25-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads