b91ff4b652f1096186b85933e56c53847efad80c9b43cafda49c1dfda9e79ad7

General

Target

JaffaCakes118_74571c140b996d8a24dae2517a182d25.xls
Size

205KB
MD5

74571c140b996d8a24dae2517a182d25
SHA1

786b293d45773918b1fe8a8f9e355a4a4845fba8
SHA256

b91ff4b652f1096186b85933e56c53847efad80c9b43cafda49c1dfda9e79ad7
SHA512

15bddb8f5898e4fee3442fddff43d467bea06140e204bcff6e1ff681a207461cee925cc3e07ced5e6712b6d68361cc41fdfdb4804b2b9a29e357fe9ae80156b0
SSDEEP

6144:7vnRVTVDkdysFe71ERKXKhU3TZaA472byRW1N8xXImuForwR+RXgf5xSl7ZXGJwi:zRVTVDkdysFe71ERKXKhU3TZaA472byZ

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	4900	4028	cmd.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4708	4028	cmd.exe	84
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5480	4028	cmd.exe	84

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x000c0000000240cf-98.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
4028	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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\F8A75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4028	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 5480	4028	EXCEL.EXE	89
PID 4028 wrote to memory of 5480	4028	EXCEL.EXE	89
PID 4028 wrote to memory of 4708	4028	EXCEL.EXE	90
PID 4028 wrote to memory of 4708	4028	EXCEL.EXE	90
PID 4028 wrote to memory of 4900	4028	EXCEL.EXE	91
PID 4028 wrote to memory of 4900	4028	EXCEL.EXE	91
PID 5480 wrote to memory of 5544	5480	cmd.exe	95
PID 5480 wrote to memory of 5544	5480	cmd.exe	95

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5544	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_74571c140b996d8a24dae2517a182d25.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:4028
- 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:5480
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:5544
- 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:4708
- 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:4900

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_74571c140b996d8a24dae2517a182d25.xls

Filesize
216KB

MD5
3616b1394fe8c44067b15c8935467aef

SHA1
2bfc07400681c88b0e2720778aeed2e0c0cce7ca

SHA256
dbca0805e1e32cf8cd05c7426e067ba54312c911a2691a32df99f72285aef298

SHA512
b55fff8423d60ad86ba2a234e160fc49107486cc61438db5adbd74218e00e16b62637ab83a851e8db5b8daaaa889c676b7009f111933b853053e2a1b0f3c24e6

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

Filesize
677B

MD5
7ddf6be6b6944327411b1ec56ebb187a

SHA1
f4e32a0e4ccce301ab7567094f40721e2062101a

SHA256
a1aefb23e4dc5618472a377acec11f8a156054f7c06861ceebe55c2f70e04ffc

SHA512
7612acd6d02cd0ebdfa22729dd5515bf0fef072556970731118263411aef454e58bd942b3f17cc467a946d627134571f7b95dce00f79e1460d22337c3731d65f

Download Submit
memory/4028-7-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-49-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-6-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-4-0x00007FF7DC9F0000-0x00007FF7DCA00000-memory.dmp

Filesize
64KB

Download
memory/4028-9-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-10-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-13-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-12-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-14-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-16-0x00007FF7DA0F0000-0x00007FF7DA100000-memory.dmp

Filesize
64KB

Download
memory/4028-15-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-11-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-17-0x00007FF7DA0F0000-0x00007FF7DA100000-memory.dmp

Filesize
64KB

Download
memory/4028-8-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-1-0x00007FF7DC9F0000-0x00007FF7DCA00000-memory.dmp

Filesize
64KB

Download
memory/4028-5-0x00007FF7DC9F0000-0x00007FF7DCA00000-memory.dmp

Filesize
64KB

Download
memory/4028-3-0x00007FF7DC9F0000-0x00007FF7DCA00000-memory.dmp

Filesize
64KB

Download
memory/4028-48-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-50-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-51-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-52-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-53-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-58-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-66-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-67-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-2-0x00007FF7DC9F0000-0x00007FF7DCA00000-memory.dmp

Filesize
64KB

Download
memory/4028-100-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-101-0x00007FF81CA0D000-0x00007FF81CA0E000-memory.dmp

Filesize
4KB

Download
memory/4028-102-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-103-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-104-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-105-0x00007FF81C970000-0x00007FF81CB65000-memory.dmp

Filesize
2.0MB

Download
memory/4028-0-0x00007FF81CA0D000-0x00007FF81CA0E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads