cb50e886715d996249be68512a27a6e841d8868ad6b830aac70a7a2995e7b685

General

Target

e440b52ecd67afb0cab747d08e65a8e8_JaffaCakes118.xls
Size

117KB
MD5

e440b52ecd67afb0cab747d08e65a8e8
SHA1

b21b55c87165a5989f7b9e6936e3d589656d2329
SHA256

cb50e886715d996249be68512a27a6e841d8868ad6b830aac70a7a2995e7b685
SHA512

72d9d286caa3dfdfc5c6c694a834c6912e31e616aa27741aa9450e47d48a7e76752255141382026eb41e3dc9418a300fef224befb0ffee6965160f2b502b2a90
SSDEEP

1536:mhXXjxXai7qz913mxzzx7xqYMEd9iNxGmXd1kL8wMsqILPfq/eG/bWVbrzD4hB7a:rwBfahbWVbrzD4P7ITkDfvaH5kor/

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	1600	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1616	1600	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1964	1600	cmd.exe	29

Deletes itself 1 IoCs

pid	Process
1600	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	EXCEL.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.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\ACB67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1600	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1600	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1600	EXCEL.EXE
1600	EXCEL.EXE
1600	EXCEL.EXE
1600	EXCEL.EXE
1600	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 768	1600	EXCEL.EXE	30
PID 1600 wrote to memory of 768	1600	EXCEL.EXE	30
PID 1600 wrote to memory of 768	1600	EXCEL.EXE	30
PID 1600 wrote to memory of 768	1600	EXCEL.EXE	30
PID 1600 wrote to memory of 1616	1600	EXCEL.EXE	31
PID 1600 wrote to memory of 1616	1600	EXCEL.EXE	31
PID 1600 wrote to memory of 1616	1600	EXCEL.EXE	31
PID 1600 wrote to memory of 1616	1600	EXCEL.EXE	31
PID 1600 wrote to memory of 1964	1600	EXCEL.EXE	32
PID 1600 wrote to memory of 1964	1600	EXCEL.EXE	32
PID 1600 wrote to memory of 1964	1600	EXCEL.EXE	32
PID 1600 wrote to memory of 1964	1600	EXCEL.EXE	32
PID 768 wrote to memory of 2024	768	cmd.exe	36
PID 768 wrote to memory of 2024	768	cmd.exe	36
PID 768 wrote to memory of 2024	768	cmd.exe	36
PID 768 wrote to memory of 2024	768	cmd.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2024	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\e440b52ecd67afb0cab747d08e65a8e8_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:1600
- 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:2024
- 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:1616
- 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:1964

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/1600-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1600-1-0x0000000072A7D000-0x0000000072A88000-memory.dmp

Filesize
44KB

Download
memory/1600-76-0x00000000064B0000-0x00000000065B0000-memory.dmp

Filesize
1024KB

Download
memory/1600-30-0x00000000064B0000-0x00000000065B0000-memory.dmp

Filesize
1024KB

Download
memory/1600-75-0x00000000064B0000-0x00000000065B0000-memory.dmp

Filesize
1024KB

Download
memory/1600-99-0x00000000064B0000-0x00000000065B0000-memory.dmp

Filesize
1024KB

Download
memory/1600-330-0x0000000072A7D000-0x0000000072A88000-memory.dmp

Filesize
44KB

Download
memory/1600-331-0x00000000064B0000-0x00000000065B0000-memory.dmp

Filesize
1024KB

Download
memory/1600-332-0x00000000064B0000-0x00000000065B0000-memory.dmp

Filesize
1024KB

Download

Analysis

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