d5d7818e96aa5aca2a12008c9a797da7da6f2e28ba06d934eb73c9e208d8a4be

General

Target

JaffaCakes118_65b2b50aed09fa8413e5b5b9abb39fa3.xls
Size

112KB
MD5

65b2b50aed09fa8413e5b5b9abb39fa3
SHA1

db8adcbd71c9071a58651923e09e7a424aac56a8
SHA256

d5d7818e96aa5aca2a12008c9a797da7da6f2e28ba06d934eb73c9e208d8a4be
SHA512

57c62826f39924dcb77b42a3f3a330e1e4b4c6120df794ce914492960441103160193f631a8b0dd082b340cbf04c8b0c1f1ebe7435ff41e8204b8bfa38624767
SSDEEP

1536:HrfffrfKyrfujnfJyQksFl6VJOufFtMTiKBsqIeWciQ28oOWVbrz+7jx7ITkR62R:/KfWVbrzCx7ITk9hjhJtXww5kV2z/

Score

10^/10

defense_evasion macro xlm

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4604	564	cmd.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4780	564	cmd.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1208	564	cmd.exe	84

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x0033000000023c47-105.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
564	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

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\83A75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
564	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 1208	564	EXCEL.EXE	90
PID 564 wrote to memory of 1208	564	EXCEL.EXE	90
PID 564 wrote to memory of 4780	564	EXCEL.EXE	91
PID 564 wrote to memory of 4780	564	EXCEL.EXE	91
PID 564 wrote to memory of 4604	564	EXCEL.EXE	92
PID 564 wrote to memory of 4604	564	EXCEL.EXE	92
PID 1208 wrote to memory of 4568	1208	cmd.exe	96
PID 1208 wrote to memory of 4568	1208	cmd.exe	96

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4568	attrib.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65b2b50aed09fa8413e5b5b9abb39fa3.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:564
- C:\Windows\system32\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
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:4568
- C:\Windows\system32\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
  PID:4780
- C:\Windows\system32\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
  PID:4604

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

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65b2b50aed09fa8413e5b5b9abb39fa3.xls

Filesize
123KB

MD5
dbe4ab38c21c3a053bf174b96820dc6c

SHA1
fb68b04fb32a599a801bea44ba238e422d3658d7

SHA256
6e74b6e027445584a7b7ed34a1d24c4a7ba57d958f01285d28f2e79f7bba2dc4

SHA512
fccb75fe48e15677714f4a38a070151411214ee2b49ba6bc321affb243511fb61a8d380f2df8e55528b296aee653616371a725d89ff506b5bf7574ab71650066

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
4febf30045b31f9928d9578b88e04186

SHA1
f74723ab68ef6a93694d42cd6c9ff02cfb1bd287

SHA256
0fef1b02a062be1f7d5bf9e33caa5fd482264a62ce60ac34f56b55b6f4f30a21

SHA512
1df1c383011f66e68983e6291fbd53827ce119c987e4da08ea2c8ebdd05ff10b7af8583917789a5a4026ec840c019c570d2639b1034829b69baa9d055946a058

Download Submit
memory/564-18-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-57-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-4-0x00007FF913590000-0x00007FF9135A0000-memory.dmp

Filesize
64KB

Download
memory/564-5-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-8-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-9-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-7-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-6-0x00007FF913590000-0x00007FF9135A0000-memory.dmp

Filesize
64KB

Download
memory/564-14-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-11-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-13-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-12-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-16-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-17-0x00007FF911530000-0x00007FF911540000-memory.dmp

Filesize
64KB

Download
memory/564-2-0x00007FF913590000-0x00007FF9135A0000-memory.dmp

Filesize
64KB

Download
memory/564-0-0x00007FF913590000-0x00007FF9135A0000-memory.dmp

Filesize
64KB

Download
memory/564-10-0x00007FF911530000-0x00007FF911540000-memory.dmp

Filesize
64KB

Download
memory/564-15-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-56-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-60-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-59-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-61-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-74-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-73-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-58-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-50-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-3-0x00007FF913590000-0x00007FF9135A0000-memory.dmp

Filesize
64KB

Download
memory/564-107-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-108-0x00007FF9535AD000-0x00007FF9535AE000-memory.dmp

Filesize
4KB

Download
memory/564-109-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-113-0x00007FF953510000-0x00007FF953705000-memory.dmp

Filesize
2.0MB

Download
memory/564-1-0x00007FF9535AD000-0x00007FF9535AE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads