ca334a40d33507790776983aed820a0ea3d9e0fcddddd5024efd39e16cd7b4f6

General

Target

11b8ed7818b874e5ee7a1d1694637023_JaffaCakes118.xls
Size

132KB
MD5

11b8ed7818b874e5ee7a1d1694637023
SHA1

c0bad45eb3f7b222146283d9b846977f8575a88b
SHA256

ca334a40d33507790776983aed820a0ea3d9e0fcddddd5024efd39e16cd7b4f6
SHA512

34d9aef98867f984f0dbc81b4e5ed99f4be769c3484f5e6c07046884c5291aecb4555791153307741c5b69fb11b298508ddfd9952d976435a7fceca9a1b2f222
SSDEEP

3072:Z+Fi+VjV3lj/HeWVbrzQ7ITkD2TLjvaw5D8:j+VVRa2r

Score

6^/10

Malware Config

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2260	1384	DW20.EXE	88

Checks processor information in registry 2 TTPs 6 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1384	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE
1384	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 2260	1384	EXCEL.EXE	93
PID 1384 wrote to memory of 2260	1384	EXCEL.EXE	93
PID 2260 wrote to memory of 60	2260	DW20.EXE	94
PID 2260 wrote to memory of 60	2260	DW20.EXE	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\11b8ed7818b874e5ee7a1d1694637023_JaffaCakes118.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
  "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4812
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:2260
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4812
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:60

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4276,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8
1⤵
PID:4784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/1384-9-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-12-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-3-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1384-6-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-5-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-7-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1384-4-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1384-2-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1384-11-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-14-0x00007FFA87950000-0x00007FFA87960000-memory.dmp

Filesize
64KB

Download
memory/1384-10-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-8-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-1-0x00007FFACA12D000-0x00007FFACA12E000-memory.dmp

Filesize
4KB

Download
memory/1384-0-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/1384-13-0x00007FFA87950000-0x00007FFA87960000-memory.dmp

Filesize
64KB

Download
memory/1384-16-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-17-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-15-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/1384-51-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/2260-47-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/2260-39-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/2260-50-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/2260-49-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/2260-48-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/2260-37-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download
memory/2260-46-0x00007FFA8A110000-0x00007FFA8A120000-memory.dmp

Filesize
64KB

Download
memory/2260-35-0x00007FFACA090000-0x00007FFACA285000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads