96cf63e06797a19b5180b2fd6a5dae54f61141aa7279b6b05047761133c1b8c8

General

Target

6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe
Size

34KB
MD5

6fe006259294449ea5effbe6f4f472d9
SHA1

398f3f61b77e0400ddb0f596291727ac9be7e490
SHA256

96cf63e06797a19b5180b2fd6a5dae54f61141aa7279b6b05047761133c1b8c8
SHA512

a5d4e299bd42c76dc64faac22cdc17682e9452582df2eb9ed441f5470ba9571ab8beb4c63e01378949506046be1df58a0945b2d617df24ffc4b8fb7eff1ce9f4
SSDEEP

768:kJG9mSndWAIDEziK5su1rdABqFYz4j8ORhoob:gGwSnd3zL57fFYyRGy

Score

7^/10

bootkit defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2336	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2680	wuaucldt.exe
3032	wuaucldt.exe

Loads dropped DLL 4 IoCs

pid	Process
2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe
2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe
2680	wuaucldt.exe
2680	wuaucldt.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\wuaucldt = "c:\\windows\\system32\\wuaucldt.exe"	wuaucldt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuaucldt = "c:\\users\\admin\\wuaucldt.exe"	wuaucldt.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\wuaucldt.exe	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe
File created	\??\c:\windows\SysWOW64\wuaucldt.exe	wuaucldt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 2668	3032	wuaucldt.exe	32

System Location Discovery: System Language Discovery 1 TTPs 6 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	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuaucldt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuaucldt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2680	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	30
PID 2624 wrote to memory of 2680	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	30
PID 2624 wrote to memory of 2680	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	30
PID 2624 wrote to memory of 2680	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	30
PID 2680 wrote to memory of 3032	2680	wuaucldt.exe	31
PID 2680 wrote to memory of 3032	2680	wuaucldt.exe	31
PID 2680 wrote to memory of 3032	2680	wuaucldt.exe	31
PID 2680 wrote to memory of 3032	2680	wuaucldt.exe	31
PID 3032 wrote to memory of 2668	3032	wuaucldt.exe	32
PID 3032 wrote to memory of 2668	3032	wuaucldt.exe	32
PID 3032 wrote to memory of 2668	3032	wuaucldt.exe	32
PID 3032 wrote to memory of 2668	3032	wuaucldt.exe	32
PID 3032 wrote to memory of 2668	3032	wuaucldt.exe	32
PID 3032 wrote to memory of 2668	3032	wuaucldt.exe	32
PID 2624 wrote to memory of 2336	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	33
PID 2624 wrote to memory of 2336	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	33
PID 2624 wrote to memory of 2336	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	33
PID 2624 wrote to memory of 2336	2624	6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe	33
PID 2680 wrote to memory of 1236	2680	wuaucldt.exe	35
PID 2680 wrote to memory of 1236	2680	wuaucldt.exe	35
PID 2680 wrote to memory of 1236	2680	wuaucldt.exe	35
PID 2680 wrote to memory of 1236	2680	wuaucldt.exe	35

C:\Users\Admin\AppData\Local\Temp\6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6fe006259294449ea5effbe6f4f472d9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- \??\c:\windows\SysWOW64\wuaucldt.exe
  c:\windows\system32\wuaucldt.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - \??\c:\users\admin\wuaucldt.exe
    c:\users\admin\wuaucldt.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3032
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      Writes to the Master Boot Record (MBR)
      System Location Discovery: System Language Discovery
      PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del c:\windows\syswow64\wuaucldt.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1236
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del c:\users\admin\appdata\local\temp\6FE006~1.EXE
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2336

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Pre-OS Boot

T1542

Bootkit

1

T1542.003

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

\Windows\SysWOW64\wuaucldt.exe

Filesize
34KB

MD5
6fe006259294449ea5effbe6f4f472d9

SHA1
398f3f61b77e0400ddb0f596291727ac9be7e490

SHA256
96cf63e06797a19b5180b2fd6a5dae54f61141aa7279b6b05047761133c1b8c8

SHA512
a5d4e299bd42c76dc64faac22cdc17682e9452582df2eb9ed441f5470ba9571ab8beb4c63e01378949506046be1df58a0945b2d617df24ffc4b8fb7eff1ce9f4

Download Submit
memory/2624-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2624-1-0x0000000009000000-0x0000000009009000-memory.dmp

Filesize
36KB

Download
memory/2624-13-0x00000000002A0000-0x00000000002AB000-memory.dmp

Filesize
44KB

Download
memory/2624-12-0x00000000002A0000-0x00000000002AB000-memory.dmp

Filesize
44KB

Download
memory/2624-11-0x0000000070000000-0x000000007000B000-memory.dmp

Filesize
44KB

Download
memory/2624-10-0x0000000009000000-0x0000000009009000-memory.dmp

Filesize
36KB

Download
memory/2624-75-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2668-40-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2668-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-38-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2668-41-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2668-37-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2668-35-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2668-32-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2668-42-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2680-27-0x00000000002A0000-0x00000000002AB000-memory.dmp

Filesize
44KB

Download
memory/2680-21-0x00000000002A0000-0x00000000002AB000-memory.dmp

Filesize
44KB

Download
memory/3032-29-0x0000000070000000-0x000000007000B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads