112cfc5f00859b28bbbeee3f7175e0ea4c2139701e3279769d29b3a95c2c5217

General

Target

e92fd00aa2cb0855e9843741e5bf3229_JaffaCakes118.xls
Size

36KB
MD5

e92fd00aa2cb0855e9843741e5bf3229
SHA1

bbace7bd1bf5e5566c7de70aae70dd888c2ee836
SHA256

112cfc5f00859b28bbbeee3f7175e0ea4c2139701e3279769d29b3a95c2c5217
SHA512

f785a3d1a6500d1a7bfada26b0f88ad92cb2368846fbb4f66ff96f89e0d3ec1429a77f0045026d4be15270566d96317df73c6fbf44b2785775a78fd5f124fdf7
SSDEEP

768:IPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJg2LO8A1RGyyc:kok3hbdlylKsgqopeJBWhZFGkE+cL2NZ

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

explorer.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2904	1400	explorer.exe	EXCEL.EXE

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

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1400 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

1400 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

1400 EXCEL.EXE
1400 EXCEL.EXE
1400 EXCEL.EXE
1400 EXCEL.EXE
1400 EXCEL.EXE
1400 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings	explorer.exe

pid	process
1400	EXCEL.EXE

pid	process
1400	EXCEL.EXE

pid	process
1400	EXCEL.EXE
1400	EXCEL.EXE
1400	EXCEL.EXE
1400	EXCEL.EXE
1400	EXCEL.EXE
1400	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 1400 wrote to memory of 2904	1400	EXCEL.EXE	explorer.exe
PID 1400 wrote to memory of 2904	1400	EXCEL.EXE	explorer.exe
PID 4908 wrote to memory of 4508	4908	explorer.exe	WScript.exe
PID 4908 wrote to memory of 4508	4908	explorer.exe	WScript.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\e92fd00aa2cb0855e9843741e5bf3229_JaffaCakes118.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\bCv.vbs
2⤵
- Process spawned unexpected child process
PID:2904

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4908

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\bCv.vbs"
2⤵
PID:4508

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Public\Documents\bCv.vbs
Filesize
566B

MD5
4335844de1247a6f6b61536a19362258

SHA1
f7a974a810868a0f42fc6b9cb45ae9c9168c4f97

SHA256
7c8ccf3943ca3d72d6f1be89879a6fbc7eaa52e807fc0b13ec3498c85b16baf5

SHA512
d6ab62d46756af8dc3e40bf3a31c75dfc9b5a82311e0f2b04bbbfe8178150c0aa7712c30a29cf04495d5239b834061c16766e6348ae5341dad18b2d0e9790b9a

Download Submit
memory/1400-10-0x00007FFF06980000-0x00007FFF06990000-memory.dmp

Filesize
64KB

Download
memory/1400-3-0x00007FFF08C30000-0x00007FFF08C40000-memory.dmp

Filesize
64KB

Download
memory/1400-12-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-4-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-6-0x00007FFF08C30000-0x00007FFF08C40000-memory.dmp

Filesize
64KB

Download
memory/1400-5-0x00007FFF08C30000-0x00007FFF08C40000-memory.dmp

Filesize
64KB

Download
memory/1400-7-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-8-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-13-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-0-0x00007FFF08C30000-0x00007FFF08C40000-memory.dmp

Filesize
64KB

Download
memory/1400-32-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-1-0x00007FFF08C30000-0x00007FFF08C40000-memory.dmp

Filesize
64KB

Download
memory/1400-9-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-14-0x00007FFF06980000-0x00007FFF06990000-memory.dmp

Filesize
64KB

Download
memory/1400-16-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-15-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-17-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-18-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-19-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-20-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-2-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download
memory/1400-11-0x00007FFF48BB0000-0x00007FFF48DA5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads