ca334a40d33507790776983aed820a0ea3d9e0fcddddd5024efd39e16cd7b4f6

General

Target

11b8ed7818b874e5ee7a1d1694637023_JaffaCakes118.xls
Size

132KB
MD5

11b8ed7818b874e5ee7a1d1694637023
SHA1

c0bad45eb3f7b222146283d9b846977f8575a88b
SHA256

ca334a40d33507790776983aed820a0ea3d9e0fcddddd5024efd39e16cd7b4f6
SHA512

34d9aef98867f984f0dbc81b4e5ed99f4be769c3484f5e6c07046884c5291aecb4555791153307741c5b69fb11b298508ddfd9952d976435a7fceca9a1b2f222
SSDEEP

3072:Z+Fi+VjV3lj/HeWVbrzQ7ITkD2TLjvaw5D8:j+VVRa2r

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	1916	2480	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	752	2480	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2952	2480	cmd.exe	29

Deletes itself 1 IoCs

pid	Process
2480	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	cmd.exe
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

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\68077F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2480	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2480	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2480	EXCEL.EXE
2480	EXCEL.EXE
2480	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 1916	2480	EXCEL.EXE	30
PID 2480 wrote to memory of 1916	2480	EXCEL.EXE	30
PID 2480 wrote to memory of 1916	2480	EXCEL.EXE	30
PID 2480 wrote to memory of 1916	2480	EXCEL.EXE	30
PID 2480 wrote to memory of 752	2480	EXCEL.EXE	31
PID 2480 wrote to memory of 752	2480	EXCEL.EXE	31
PID 2480 wrote to memory of 752	2480	EXCEL.EXE	31
PID 2480 wrote to memory of 752	2480	EXCEL.EXE	31
PID 2480 wrote to memory of 2952	2480	EXCEL.EXE	32
PID 2480 wrote to memory of 2952	2480	EXCEL.EXE	32
PID 2480 wrote to memory of 2952	2480	EXCEL.EXE	32
PID 2480 wrote to memory of 2952	2480	EXCEL.EXE	32
PID 1916 wrote to memory of 2256	1916	cmd.exe	36
PID 1916 wrote to memory of 2256	1916	cmd.exe	36
PID 1916 wrote to memory of 2256	1916	cmd.exe	36
PID 1916 wrote to memory of 2256	1916	cmd.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2256	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\11b8ed7818b874e5ee7a1d1694637023_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:2480
- 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:1916
- - 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:2256
- 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:752
- 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:2952

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/2480-1-0x00000000729ED000-0x00000000729F8000-memory.dmp

Filesize
44KB

Download
memory/2480-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2480-120-0x00000000062D0000-0x00000000063D0000-memory.dmp

Filesize
1024KB

Download
memory/2480-97-0x00000000062D0000-0x00000000063D0000-memory.dmp

Filesize
1024KB

Download
memory/2480-74-0x00000000062D0000-0x00000000063D0000-memory.dmp

Filesize
1024KB

Download
memory/2480-329-0x00000000729ED000-0x00000000729F8000-memory.dmp

Filesize
44KB

Download
memory/2480-330-0x00000000062D0000-0x00000000063D0000-memory.dmp

Filesize
1024KB

Download
memory/2480-331-0x00000000062D0000-0x00000000063D0000-memory.dmp

Filesize
1024KB

Download
memory/2480-332-0x00000000062D0000-0x00000000063D0000-memory.dmp

Filesize
1024KB

Download

Analysis

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