e3579c554233c38ec4824e0f798742892335f81b954f7bb98992cda5bb928717

General

Target

dc2e12f5cbaa6953bbaee98ef7651504_JaffaCakes118.xls
Size

125KB
MD5

dc2e12f5cbaa6953bbaee98ef7651504
SHA1

6550ed4a8fa0ed2f4aa5640f2f73c0bcadcc17a8
SHA256

e3579c554233c38ec4824e0f798742892335f81b954f7bb98992cda5bb928717
SHA512

61a6b5c24ffc21f5ba5d0c3e28dbd0e6ca4f94ae5171d4a4ee4c097ec42574d6104d176c9c4e9a5d0f525fbb9c39c65f90a7760d1440ecd697e95249bffe01ad
SSDEEP

1536:NXXXzUPaT3LehKpR0dYFZpWVbrzQ7ITkR62ldM88ScJtXwReM2M/MPIU:GaT36hS7WVbrzQ7ITk9EjhJtXwf5kQU

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	1924	2760	cmd.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1044	2760	cmd.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1772	2760	cmd.exe	30

Deletes itself 1 IoCs

pid	Process
2760	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\20F67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2760	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2760	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2760	EXCEL.EXE
2760	EXCEL.EXE
2760	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 1924	2760	EXCEL.EXE	31
PID 2760 wrote to memory of 1924	2760	EXCEL.EXE	31
PID 2760 wrote to memory of 1924	2760	EXCEL.EXE	31
PID 2760 wrote to memory of 1924	2760	EXCEL.EXE	31
PID 2760 wrote to memory of 1772	2760	EXCEL.EXE	32
PID 2760 wrote to memory of 1772	2760	EXCEL.EXE	32
PID 2760 wrote to memory of 1772	2760	EXCEL.EXE	32
PID 2760 wrote to memory of 1772	2760	EXCEL.EXE	32
PID 2760 wrote to memory of 1044	2760	EXCEL.EXE	33
PID 2760 wrote to memory of 1044	2760	EXCEL.EXE	33
PID 2760 wrote to memory of 1044	2760	EXCEL.EXE	33
PID 2760 wrote to memory of 1044	2760	EXCEL.EXE	33
PID 1924 wrote to memory of 2200	1924	cmd.exe	37
PID 1924 wrote to memory of 2200	1924	cmd.exe	37
PID 1924 wrote to memory of 2200	1924	cmd.exe	37
PID 1924 wrote to memory of 2200	1924	cmd.exe	37

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2200	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\dc2e12f5cbaa6953bbaee98ef7651504_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:2760
- 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:1924
- - 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:2200
- 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:1772
- 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:1044

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/2760-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2760-1-0x000000007273D000-0x0000000072748000-memory.dmp

Filesize
44KB

Download
memory/2760-111-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-76-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-74-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-166-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-165-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-211-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-213-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-212-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-214-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-258-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-236-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-331-0x000000007273D000-0x0000000072748000-memory.dmp

Filesize
44KB

Download
memory/2760-332-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-333-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download
memory/2760-334-0x00000000064F0000-0x00000000065F0000-memory.dmp

Filesize
1024KB

Download

Analysis

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