159e1a2e25ed59c5d13adec2e381dcca9461e27bb069d0e0f04f34ed2c42acda

General

Target

d9b55e70ecb67c825d0da5dc5eda2daf_JaffaCakes118.xls
Size

143KB
MD5

d9b55e70ecb67c825d0da5dc5eda2daf
SHA1

31a733754fbd8ed298bcaa1c811ef98cd152884f
SHA256

159e1a2e25ed59c5d13adec2e381dcca9461e27bb069d0e0f04f34ed2c42acda
SHA512

ebb0b4f9f5ff8fa7075465ec39466f90122b11e171fc818586d5aac778914ac4c272212606158ca7e45d54fcd2c7cddfe881cc98c86e98a9a5727331d4798918
SSDEEP

3072:BW42vWVbrzQ7ITk9B2AJtXwr5k0mfEifNdk:z2Qk

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	1924	2260	cmd.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2272	2260	cmd.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4404	2260	cmd.exe	81

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x000e000000023bd7-102.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
2260	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\A3C75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2260	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE
2260	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1924	2260	EXCEL.EXE	86
PID 2260 wrote to memory of 1924	2260	EXCEL.EXE	86
PID 2260 wrote to memory of 2272	2260	EXCEL.EXE	87
PID 2260 wrote to memory of 2272	2260	EXCEL.EXE	87
PID 2260 wrote to memory of 4404	2260	EXCEL.EXE	88
PID 2260 wrote to memory of 4404	2260	EXCEL.EXE	88
PID 1924 wrote to memory of 4412	1924	cmd.exe	92
PID 1924 wrote to memory of 4412	1924	cmd.exe	92

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4412	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\d9b55e70ecb67c825d0da5dc5eda2daf_JaffaCakes118.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:2260
- 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:1924
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:4412
- 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:2272
- 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:4404

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\d9b55e70ecb67c825d0da5dc5eda2daf_JaffaCakes118.xls

Filesize
131KB

MD5
f7483ffeeee22af2ef4492f97b19dfcd

SHA1
a65f43a222e4f7e1d94d01b57ace9af2f2ab6478

SHA256
31484bd36f896dd21368f04903f6813fb058141a5b2e73ccbaceaafdd6c45099

SHA512
a94762f4071579efb09a4e64316da5c132975bdf6b2835582dd5f6aabb002c3c95855db702bfa4c95e96e34e65f77fd27696a7387e0cddf194119ca60f7a6537

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

Filesize
3KB

MD5
a8fd5542968dda44fae14a867faba271

SHA1
2e72c0f63b604e3e4b3a0048f429c50907cd4cc1

SHA256
637af1a203f7bd1fad712da6583c3520d4a9a954c838f15361c9dff1ae117461

SHA512
5618163bf243ac8da7441a070f2347015592422d7549ce27778ec8cb5519beefeac6795c86cb3daa941c4f8ff556b9d37a462a5f17c724b1ac3b145d49554f19

Download Submit
memory/2260-15-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-1-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/2260-0-0x00007FFF1506D000-0x00007FFF1506E000-memory.dmp

Filesize
4KB

Download
memory/2260-8-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-4-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/2260-9-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-10-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-13-0x00007FFED2800000-0x00007FFED2810000-memory.dmp

Filesize
64KB

Download
memory/2260-11-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-14-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-12-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-16-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-17-0x00007FFED2800000-0x00007FFED2810000-memory.dmp

Filesize
64KB

Download
memory/2260-18-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-5-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/2260-6-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-3-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/2260-47-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-57-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-56-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-55-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-46-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-58-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-63-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-71-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-2-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/2260-104-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-105-0x00007FFF1506D000-0x00007FFF1506E000-memory.dmp

Filesize
4KB

Download
memory/2260-106-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-110-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/2260-7-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads