0831b4c860508d4d4f3047d528675b8549bdd19d29d78a7e72245fc4aa2b6a95

General

Target

JaffaCakes118_8c7175edb5909213e438f867bdd4ae0e.xls
Size

109KB
MD5

8c7175edb5909213e438f867bdd4ae0e
SHA1

19968aa160749d112825f72263fff76e5a94249b
SHA256

0831b4c860508d4d4f3047d528675b8549bdd19d29d78a7e72245fc4aa2b6a95
SHA512

1e3a33f9c0d4ad955a8e6e1c4f63afb3969ada92f2e5a430baa7cfd16d50d95e417679eaefbab27ed2396e5a88d6d8ef4a2fb190eb94e14d616047fa3bfdc741
SSDEEP

1536:ipyyy2O3f9hXDlHrlrIeSU/+qMb2jcc0lbxOvTgZZ488ScJtXwPXS:iyhXl5rIea2jcc0lbxOrbjhJtXw/S

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	1908	3020	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1828	3020	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2932	3020	cmd.exe	29

Deletes itself 1 IoCs

pid	Process
3020	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\7AB67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3020	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3020	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1908	3020	EXCEL.EXE	30
PID 3020 wrote to memory of 1908	3020	EXCEL.EXE	30
PID 3020 wrote to memory of 1908	3020	EXCEL.EXE	30
PID 3020 wrote to memory of 1908	3020	EXCEL.EXE	30
PID 3020 wrote to memory of 1828	3020	EXCEL.EXE	31
PID 3020 wrote to memory of 1828	3020	EXCEL.EXE	31
PID 3020 wrote to memory of 1828	3020	EXCEL.EXE	31
PID 3020 wrote to memory of 1828	3020	EXCEL.EXE	31
PID 3020 wrote to memory of 2932	3020	EXCEL.EXE	33
PID 3020 wrote to memory of 2932	3020	EXCEL.EXE	33
PID 3020 wrote to memory of 2932	3020	EXCEL.EXE	33
PID 3020 wrote to memory of 2932	3020	EXCEL.EXE	33
PID 1908 wrote to memory of 824	1908	cmd.exe	36
PID 1908 wrote to memory of 824	1908	cmd.exe	36
PID 1908 wrote to memory of 824	1908	cmd.exe	36
PID 1908 wrote to memory of 824	1908	cmd.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
824	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\JaffaCakes118_8c7175edb5909213e438f867bdd4ae0e.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:3020
- 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:1908
- - 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:824
- 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:1828
- 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:2932

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/3020-1-0x000000007257D000-0x0000000072588000-memory.dmp

Filesize
44KB

Download
memory/3020-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3020-30-0x0000000006370000-0x0000000006470000-memory.dmp

Filesize
1024KB

Download
memory/3020-100-0x0000000006370000-0x0000000006470000-memory.dmp

Filesize
1024KB

Download
memory/3020-84-0x0000000006370000-0x0000000006470000-memory.dmp

Filesize
1024KB

Download
memory/3020-76-0x0000000006370000-0x0000000006470000-memory.dmp

Filesize
1024KB

Download
memory/3020-75-0x0000000006370000-0x0000000006470000-memory.dmp

Filesize
1024KB

Download
memory/3020-331-0x000000007257D000-0x0000000072588000-memory.dmp

Filesize
44KB

Download
memory/3020-332-0x0000000006370000-0x0000000006470000-memory.dmp

Filesize
1024KB

Download

Analysis

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