949614e4c7eb826558ec7fadc16c85b4ca16ffb21054c050c22870870c418f5b

General

Target

JaffaCakes118_8c597535cf88db0b318eff3b57a27ece.xls
Size

83KB
MD5

8c597535cf88db0b318eff3b57a27ece
SHA1

903729609cc12ce4cb57f0bc36a0c4a76d9fa09e
SHA256

949614e4c7eb826558ec7fadc16c85b4ca16ffb21054c050c22870870c418f5b
SHA512

9a9c7b205a5fa29a37fffbd6bb13350584dfa762799e76480467f7361c6744f94762672e9c67e252af93a09a5930eeeee7bc1f3195dbc54abb2c9057007a39fd
SSDEEP

1536:7UUUUYEhPmkpW2jcc0lbxOqTgscCOTjqkH/ga:XG2jcc0lbxOK6D1fga

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	2884	2384	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1792	2384	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2532	2384	cmd.exe	29

Deletes itself 1 IoCs

pid	Process
2384	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\23F67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2384	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2384	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1792	2384	EXCEL.EXE	30
PID 2384 wrote to memory of 1792	2384	EXCEL.EXE	30
PID 2384 wrote to memory of 1792	2384	EXCEL.EXE	30
PID 2384 wrote to memory of 1792	2384	EXCEL.EXE	30
PID 2384 wrote to memory of 2884	2384	EXCEL.EXE	31
PID 2384 wrote to memory of 2884	2384	EXCEL.EXE	31
PID 2384 wrote to memory of 2884	2384	EXCEL.EXE	31
PID 2384 wrote to memory of 2884	2384	EXCEL.EXE	31
PID 2384 wrote to memory of 2532	2384	EXCEL.EXE	33
PID 2384 wrote to memory of 2532	2384	EXCEL.EXE	33
PID 2384 wrote to memory of 2532	2384	EXCEL.EXE	33
PID 2384 wrote to memory of 2532	2384	EXCEL.EXE	33
PID 1792 wrote to memory of 1296	1792	cmd.exe	36
PID 1792 wrote to memory of 1296	1792	cmd.exe	36
PID 1792 wrote to memory of 1296	1792	cmd.exe	36
PID 1792 wrote to memory of 1296	1792	cmd.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1296	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_8c597535cf88db0b318eff3b57a27ece.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:2384
- 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:1792
- - 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:1296
- 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:2884
- 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:2532

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/2384-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2384-1-0x000000007375D000-0x0000000073768000-memory.dmp

Filesize
44KB

Download
memory/2384-31-0x00000000062A0000-0x00000000063A0000-memory.dmp

Filesize
1024KB

Download
memory/2384-75-0x00000000062A0000-0x00000000063A0000-memory.dmp

Filesize
1024KB

Download
memory/2384-76-0x00000000062A0000-0x00000000063A0000-memory.dmp

Filesize
1024KB

Download
memory/2384-165-0x00000000062A0000-0x00000000063A0000-memory.dmp

Filesize
1024KB

Download
memory/2384-166-0x00000000062A0000-0x00000000063A0000-memory.dmp

Filesize
1024KB

Download
memory/2384-331-0x000000007375D000-0x0000000073768000-memory.dmp

Filesize
44KB

Download
memory/2384-332-0x00000000062A0000-0x00000000063A0000-memory.dmp

Filesize
1024KB

Download

Analysis

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