fc519e674d968685aef5c562eb84b1066f121d55108a4a1f2e74a5274eb3779c

General

Target

db5bd9950f2363e0621b32cfc683c07f_JaffaCakes118.xls
Size

259KB
MD5

db5bd9950f2363e0621b32cfc683c07f
SHA1

d04d53792f018fc754ed113438531b56b9433be3
SHA256

fc519e674d968685aef5c562eb84b1066f121d55108a4a1f2e74a5274eb3779c
SHA512

3c9e72756488d21fe7a626ec5d4c2720f28b8038988a8693b01f568abddd54c1a26426f52ab68f4332a5fc9d508039f172fec331ac3e76bdbc322a7be75e7dd1
SSDEEP

6144:6FUjl6Nc7yRzs1H75wkZUgsRQ6UHXtD+Iv50ArEMUih0e36UA6S:W

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	2756	2844	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2744	2844	cmd.exe	27
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1668	2844	cmd.exe	27

Deletes itself 1 IoCs

pid	Process
2844	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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.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\3C967F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2844	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2844	EXCEL.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE
2844	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2756	2844	EXCEL.EXE	28
PID 2844 wrote to memory of 2756	2844	EXCEL.EXE	28
PID 2844 wrote to memory of 2756	2844	EXCEL.EXE	28
PID 2844 wrote to memory of 2756	2844	EXCEL.EXE	28
PID 2844 wrote to memory of 2744	2844	EXCEL.EXE	29
PID 2844 wrote to memory of 2744	2844	EXCEL.EXE	29
PID 2844 wrote to memory of 2744	2844	EXCEL.EXE	29
PID 2844 wrote to memory of 2744	2844	EXCEL.EXE	29
PID 2844 wrote to memory of 1668	2844	EXCEL.EXE	30
PID 2844 wrote to memory of 1668	2844	EXCEL.EXE	30
PID 2844 wrote to memory of 1668	2844	EXCEL.EXE	30
PID 2844 wrote to memory of 1668	2844	EXCEL.EXE	30
PID 2756 wrote to memory of 2376	2756	cmd.exe	35
PID 2756 wrote to memory of 2376	2756	cmd.exe	35
PID 2756 wrote to memory of 2376	2756	cmd.exe	35
PID 2756 wrote to memory of 2376	2756	cmd.exe	35

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2376	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\db5bd9950f2363e0621b32cfc683c07f_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:2844
- 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:2756
- - 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:2376
- 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:2744
- 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:1668

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/2844-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2844-1-0x000000007282D000-0x0000000072838000-memory.dmp

Filesize
44KB

Download
memory/2844-120-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-75-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-74-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-165-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-157-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-163-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-160-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-158-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-155-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-150-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-134-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-133-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-127-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-126-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-125-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-124-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-123-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-121-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-166-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-330-0x000000007282D000-0x0000000072838000-memory.dmp

Filesize
44KB

Download
memory/2844-331-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-332-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download
memory/2844-333-0x0000000006570000-0x0000000006670000-memory.dmp

Filesize
1024KB

Download

Analysis

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