bcc6271fbd159bf8ad8fcff4d49663dc3439a571ac4962b7d7eef0bf136c226f

General

Target

JaffaCakes118_6c855fa474e62d6f1856db1ad5e8e095.xls
Size

132KB
MD5

6c855fa474e62d6f1856db1ad5e8e095
SHA1

9807ff0ca2cd9c9b5ae1de7afd2934226005e201
SHA256

bcc6271fbd159bf8ad8fcff4d49663dc3439a571ac4962b7d7eef0bf136c226f
SHA512

02da8ec45713588bdb48988983c4dfb59148d1e05ccd7bb714f54d44d36f8114e892b96bccdf6e51eceebc91ca6dee5e530dd06ad627c4be27fb3f97923cde0c
SSDEEP

3072:CXTzzbYb6nhTWVbrzQ7ITkDZTJtXwPTv4:QTvbYb6nhf

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	4232	2304	cmd.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4128	2304	cmd.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	64	2304	cmd.exe	83

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x000400000001e6df-107.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
2304	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\17A75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2304	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE
2304	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 4232	2304	EXCEL.EXE	88
PID 2304 wrote to memory of 4232	2304	EXCEL.EXE	88
PID 2304 wrote to memory of 64	2304	EXCEL.EXE	89
PID 2304 wrote to memory of 64	2304	EXCEL.EXE	89
PID 2304 wrote to memory of 4128	2304	EXCEL.EXE	90
PID 2304 wrote to memory of 4128	2304	EXCEL.EXE	90
PID 4232 wrote to memory of 1064	4232	cmd.exe	95
PID 4232 wrote to memory of 1064	4232	cmd.exe	95

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1064	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_6c855fa474e62d6f1856db1ad5e8e095.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:2304
- 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:4232
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1064
- 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:64
- 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:4128

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_6c855fa474e62d6f1856db1ad5e8e095.xls

Filesize
150KB

MD5
8895bdc173ed77733d25ebb2d8241509

SHA1
a4a3c5164f4cc05e79b7664b684dc9785a98291a

SHA256
d251bf324ede07dbe8254518933bbcaedd0da9166e813c0a66da329bf803e5c6

SHA512
8ad9c8849413a5b5d0933cae8f0b27989ca3a48cfafb818ebd19b7ba6e800c9011f7cc2875b0b2a3939956ae858ffd042f1ff5877c02aee1f59a164ee93db86f

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

Filesize
1KB

MD5
1efee254a45f0ef72a1ab179208f4f5c

SHA1
593e1fe892e3d1f9130d303acc7cf4295140e579

SHA256
5ae431c5ea8a1dabc358b1339f66f6e9c6f1f25808592a854a3dd8206e40965f

SHA512
270ea97fbda56bf08c258864e8bb606388b380fdddc8255a177acb612490722801e6f094baad58ab6a85cfca4af23890315656d662ce60609c3ff94fed320c8b

Download Submit
memory/2304-8-0x00007FF872B30000-0x00007FF872B40000-memory.dmp

Filesize
64KB

Download
memory/2304-54-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-4-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-1-0x00007FF8B2B4D000-0x00007FF8B2B4E000-memory.dmp

Filesize
4KB

Download
memory/2304-5-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-7-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-0-0x00007FF872B30000-0x00007FF872B40000-memory.dmp

Filesize
64KB

Download
memory/2304-9-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-11-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-10-0x00007FF870410000-0x00007FF870420000-memory.dmp

Filesize
64KB

Download
memory/2304-14-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-13-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-15-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-12-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-6-0x00007FF872B30000-0x00007FF872B40000-memory.dmp

Filesize
64KB

Download
memory/2304-16-0x00007FF870410000-0x00007FF870420000-memory.dmp

Filesize
64KB

Download
memory/2304-57-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-55-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-44-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-56-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-46-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-42-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-2-0x00007FF872B30000-0x00007FF872B40000-memory.dmp

Filesize
64KB

Download
memory/2304-112-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-113-0x00007FF8B2B4D000-0x00007FF8B2B4E000-memory.dmp

Filesize
4KB

Download
memory/2304-114-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-115-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-116-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-117-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-118-0x00007FF8B2AB0000-0x00007FF8B2CA5000-memory.dmp

Filesize
2.0MB

Download
memory/2304-3-0x00007FF872B30000-0x00007FF872B40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads