c7ffb21dc2ba8c2b66a11adfc5fd7973f28d12f09c38ca96028bd98edfc71ff9

General

Target

JaffaCakes118_5d9ca7b8d7c51647d160ad28c959a323.xls
Size

103KB
MD5

5d9ca7b8d7c51647d160ad28c959a323
SHA1

69c3ecf4a9b75d59458cd64656bdd14801974ff4
SHA256

c7ffb21dc2ba8c2b66a11adfc5fd7973f28d12f09c38ca96028bd98edfc71ff9
SHA512

6492de4ff70dc8efa31f27031f5899b0a00eed3618f494583dbe98d3870b0f36e99f246bd02286d05014452c563782115ae4e3a045acab351f59709125841392
SSDEEP

1536:+qCelyuMAGEPtjHr2Dz3xx2WVbrzQ7ITX8NYabA23+9hY7nJdJoOd7cJtXwGCh:uTwtjHr2DbxIWVbrzQ7IToZW2AJtXwh

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	4264	3328	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2176	3328	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2680	3328	cmd.exe	85

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x000b000000023c08-105.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
3328	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\64B75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3328	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE
3328	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 2680	3328	EXCEL.EXE	90
PID 3328 wrote to memory of 2680	3328	EXCEL.EXE	90
PID 3328 wrote to memory of 2176	3328	EXCEL.EXE	91
PID 3328 wrote to memory of 2176	3328	EXCEL.EXE	91
PID 3328 wrote to memory of 4264	3328	EXCEL.EXE	92
PID 3328 wrote to memory of 4264	3328	EXCEL.EXE	92
PID 2680 wrote to memory of 1884	2680	cmd.exe	96
PID 2680 wrote to memory of 1884	2680	cmd.exe	96

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1884	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_5d9ca7b8d7c51647d160ad28c959a323.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:3328
- 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:2680
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1884
- 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:2176
- 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:4264

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\JaffaCakes118_5d9ca7b8d7c51647d160ad28c959a323.xls

Filesize
136KB

MD5
a43cfa239acad432c4d237b0b82c2c73

SHA1
627dfe320b21d339fd7979b42814dbdcf108d52f

SHA256
35d0e6464f75008abbe8a01b3af03c37522ce07de8e37079effe4c5a98e315fa

SHA512
3cab5520f8b5de235d8577faf916127529be4fcea7160eaefd7876be559687b0293d36308d2255f8fdd19ae020ff2e040acc84fe05ebcd017b556d4d34918f83

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

Filesize
1KB

MD5
14d73058def05567558b66ead11438f3

SHA1
96edb39d0cd330bccb69eadb13ea2020b232af72

SHA256
4fd23c0d47838f7844e9d28ba93b8fb0bf1ff7fcb0cdfe4882e6275fcafd0638

SHA512
bd888e1ea8180bae61a5027719d74240b1c4396cd0b21d4ecc7134b7944886da092ca517f19c65c3e02c8b68e81a746ffdfcb605947aeb4b455eb83024dbf1f9

Download Submit
memory/3328-17-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-16-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-4-0x00007FF9394F0000-0x00007FF939500000-memory.dmp

Filesize
64KB

Download
memory/3328-5-0x00007FF9394F0000-0x00007FF939500000-memory.dmp

Filesize
64KB

Download
memory/3328-9-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-10-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-8-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-11-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-12-0x00007FF937130000-0x00007FF937140000-memory.dmp

Filesize
64KB

Download
memory/3328-7-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-6-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-13-0x00007FF937130000-0x00007FF937140000-memory.dmp

Filesize
64KB

Download
memory/3328-14-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-15-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-19-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-20-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-0-0x00007FF9394F0000-0x00007FF939500000-memory.dmp

Filesize
64KB

Download
memory/3328-1-0x00007FF97950D000-0x00007FF97950E000-memory.dmp

Filesize
4KB

Download
memory/3328-18-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-48-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-57-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-71-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-63-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-58-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-56-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-73-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-74-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-72-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-2-0x00007FF9394F0000-0x00007FF939500000-memory.dmp

Filesize
64KB

Download
memory/3328-107-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-108-0x00007FF97950D000-0x00007FF97950E000-memory.dmp

Filesize
4KB

Download
memory/3328-109-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-110-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-111-0x00007FF979470000-0x00007FF979665000-memory.dmp

Filesize
2.0MB

Download
memory/3328-3-0x00007FF9394F0000-0x00007FF939500000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads