c2c4a63a62ff0df13f68f4403dd15f71d1b6f5c94ece4a4505eabdf4f71bf1a1

General

Target

JaffaCakes118_63c2b8fe6124b4205577967845c7fd47.xls
Size

132KB
MD5

63c2b8fe6124b4205577967845c7fd47
SHA1

53ea2affb4b7809d96c0d151839bd859a8d5de2b
SHA256

c2c4a63a62ff0df13f68f4403dd15f71d1b6f5c94ece4a4505eabdf4f71bf1a1
SHA512

5681c892c5325a30593019c0be556e11c5be0a822ccababbf15bbef3e98f8500c87f51ce07158ad8b5dd0cec15fa3afdeb230678e9b32f1e1dbe5ff935cd4f86
SSDEEP

1536:+nGGGanIbBldEkjz0IX3GEc9abfKGiVAmYqN9WkUfNS8MnnWVbr7Q7ITkOD2Kk5P:ihXvWVbr7Q7ITkPpbJtXw0v4pI

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	1696	4208	cmd.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5104	4208	cmd.exe	83
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4388	4208	cmd.exe	83

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x000600000001e93d-100.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
4208	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\73975E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4208	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4208	EXCEL.EXE
4208	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE
4208	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 4192	4208	EXCEL.EXE	90
PID 4208 wrote to memory of 4192	4208	EXCEL.EXE	90
PID 4208 wrote to memory of 1696	4208	EXCEL.EXE	95
PID 4208 wrote to memory of 1696	4208	EXCEL.EXE	95
PID 4208 wrote to memory of 5104	4208	EXCEL.EXE	96
PID 4208 wrote to memory of 5104	4208	EXCEL.EXE	96
PID 4208 wrote to memory of 4388	4208	EXCEL.EXE	98
PID 4208 wrote to memory of 4388	4208	EXCEL.EXE	98
PID 1696 wrote to memory of 4332	1696	cmd.exe	101
PID 1696 wrote to memory of 4332	1696	cmd.exe	101

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4332	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_63c2b8fe6124b4205577967845c7fd47.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4192
- 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:1696
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:4332
- 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:5104
- 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:4388

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4608

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_63c2b8fe6124b4205577967845c7fd47.xls

Filesize
164KB

MD5
d8ee911dd464c571294e59a0bbafe5f9

SHA1
61c968e8e6fb67f87df2b998fd253bdfcc228aea

SHA256
e163935530173a98c93a37a87d8f85b43a3b310d98854c9bcc3ad40bcf9568b4

SHA512
f28db0e6116697e0b35f7d57384e324f1eb29d12aeb8c6c6443655684beaf0ae6725506a90c319780272cb7002d1c3718f7a956cc83f436e1517b932d801ad92

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

Filesize
2KB

MD5
2a3f28f1047d7a120b85a2b1a2ef624d

SHA1
ff1c02c1884a5a69074ede5d0f15abb85127f1f3

SHA256
2d2cff192740749ba4b1963fc9faf7fcdc3e453a37b9fda2d1deb637340660e4

SHA512
68f2879792adef8dde60c97f102667467e099f89c9a29f95672f9e14218c4705f808c4e28cd2b364b0b400d51cf159f7a384277146919adba8c253ae1aa71d20

Download Submit
memory/4208-15-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-103-0x00007FFCF0C0D000-0x00007FFCF0C0E000-memory.dmp

Filesize
4KB

Download
memory/4208-7-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-5-0x00007FFCB0BF0000-0x00007FFCB0C00000-memory.dmp

Filesize
64KB

Download
memory/4208-8-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-10-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-9-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-6-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-4-0x00007FFCB0BF0000-0x00007FFCB0C00000-memory.dmp

Filesize
64KB

Download
memory/4208-14-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-16-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-12-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-2-0x00007FFCB0BF0000-0x00007FFCB0C00000-memory.dmp

Filesize
64KB

Download
memory/4208-0-0x00007FFCB0BF0000-0x00007FFCB0C00000-memory.dmp

Filesize
64KB

Download
memory/4208-17-0x00007FFCAE980000-0x00007FFCAE990000-memory.dmp

Filesize
64KB

Download
memory/4208-18-0x00007FFCAE980000-0x00007FFCAE990000-memory.dmp

Filesize
64KB

Download
memory/4208-20-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-21-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-19-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-11-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-22-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-3-0x00007FFCB0BF0000-0x00007FFCB0C00000-memory.dmp

Filesize
64KB

Download
memory/4208-102-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-104-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-13-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-105-0x00007FFCF0B70000-0x00007FFCF0D65000-memory.dmp

Filesize
2.0MB

Download
memory/4208-1-0x00007FFCF0C0D000-0x00007FFCF0C0E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads