773743fde9a060df7e1720d7a373a6abf0666e2b9b5b87f1e147da29184839e6

General

Target

eaa7a72ad0dadf2944625404aced6b8d_JaffaCakes118.xls
Size

88KB
MD5

eaa7a72ad0dadf2944625404aced6b8d
SHA1

d71270637f395a7a60d23224539548476b47f1aa
SHA256

773743fde9a060df7e1720d7a373a6abf0666e2b9b5b87f1e147da29184839e6
SHA512

16f7fe531eb224939a78fd450c502e88157ce2d19bd53230919692cd0b79a1fc4b50641a402b49f40c9dd144045d7d6534bb2e7c8d95e81561f6ca2ea47f65d0
SSDEEP

1536:exs4hmTaqi2jcc0lbxOqTgZ2IhY7nJdJoOd7cJKXwfIKp:t62jcc0lbxOKm2AJKXwFp

Score

10^/10

defense_evasion discovery

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	768	1916	cmd.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	380	1916	cmd.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	320	1916	cmd.exe	30

Deletes itself 1 IoCs

pid	Process
1916	EXCEL.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

System Location Discovery: System Language Discovery 1 TTPs 5 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\26E67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1916	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1916	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE
1916	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 768	1916	EXCEL.EXE	31
PID 1916 wrote to memory of 768	1916	EXCEL.EXE	31
PID 1916 wrote to memory of 768	1916	EXCEL.EXE	31
PID 1916 wrote to memory of 768	1916	EXCEL.EXE	31
PID 1916 wrote to memory of 380	1916	EXCEL.EXE	32
PID 1916 wrote to memory of 380	1916	EXCEL.EXE	32
PID 1916 wrote to memory of 380	1916	EXCEL.EXE	32
PID 1916 wrote to memory of 380	1916	EXCEL.EXE	32
PID 1916 wrote to memory of 320	1916	EXCEL.EXE	33
PID 1916 wrote to memory of 320	1916	EXCEL.EXE	33
PID 1916 wrote to memory of 320	1916	EXCEL.EXE	33
PID 1916 wrote to memory of 320	1916	EXCEL.EXE	33
PID 768 wrote to memory of 2144	768	cmd.exe	37
PID 768 wrote to memory of 2144	768	cmd.exe	37
PID 768 wrote to memory of 2144	768	cmd.exe	37
PID 768 wrote to memory of 2144	768	cmd.exe	37

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2144	attrib.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\eaa7a72ad0dadf2944625404aced6b8d_JaffaCakes118.xls
1⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:768
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2144
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:380
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Indicator Removal

1

T1070

File Deletion

1

T1070.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1916-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1916-1-0x000000007228D000-0x0000000072298000-memory.dmp

Filesize
44KB

Download
memory/1916-30-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-126-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-99-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-76-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-75-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-331-0x000000007228D000-0x0000000072298000-memory.dmp

Filesize
44KB

Download
memory/1916-332-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-333-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-334-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-335-0x0000000005DE0000-0x0000000005EE0000-memory.dmp

Filesize
1024KB

Download

Analysis

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