9a9b5b78530634c4fb2498e3c3dc577c7cdaf81663af482dd4c1d66b29a950a3

General

Target

5a4b273af1b4fe1b44e6c75f925d6897_JaffaCakes118.docm
Size

750KB
MD5

5a4b273af1b4fe1b44e6c75f925d6897
SHA1

549df2cb551c0c225750744e8b7039743ae1d4a3
SHA256

9a9b5b78530634c4fb2498e3c3dc577c7cdaf81663af482dd4c1d66b29a950a3
SHA512

badb54a4302402b453f60e3ce16ec5958bf570b16b4c5ce56633be4f307db3abac3a1779d8819a4fcee93c7e19928e42557755829d9a591ca0b35593ab7b490a
SSDEEP

12288:gFY5XwaFZhcZYhQSKCQWP/IkfQxj8Z4+WoGlP/LKr/ZFxX/XusxTXVTKOv2cEfkE:gFY5XwaP+6O/W3It3+WzOzb9TxTXt2LF

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.

Processes:

DW20.EXE

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3728	2548	DW20.EXE	WINWORD.EXE

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

Processes:

dwwin.exeWINWORD.EXE

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

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEdwwin.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.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	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
2548 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE
2548 WINWORD.EXE

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE

pid	process
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE
2548	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEDW20.EXE

description	pid	process	target process
PID 2548 wrote to memory of 3728	2548	WINWORD.EXE	DW20.EXE
PID 2548 wrote to memory of 3728	2548	WINWORD.EXE	DW20.EXE
PID 3728 wrote to memory of 2976	3728	DW20.EXE	dwwin.exe
PID 3728 wrote to memory of 2976	3728	DW20.EXE	dwwin.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5a4b273af1b4fe1b44e6c75f925d6897_JaffaCakes118.docm" /o ""
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:2548

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 4388
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3728

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4388
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:2976

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 --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:3592

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

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Downloads

memory/2548-8-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/2548-1-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2548-9-0x00007FFA12A30000-0x00007FFA12A40000-memory.dmp

Filesize
64KB

Download
memory/2548-10-0x00007FFA12A30000-0x00007FFA12A40000-memory.dmp

Filesize
64KB

Download
memory/2548-4-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2548-5-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2548-6-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/2548-7-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/2548-68-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/2548-2-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/2548-3-0x00007FFA54AAD000-0x00007FFA54AAE000-memory.dmp

Filesize
4KB

Download
memory/2548-30-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/2548-39-0x00007FFA54A10000-0x00007FFA54C05000-memory.dmp

Filesize
2.0MB

Download
memory/2548-0-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/3728-63-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/3728-62-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/3728-61-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download
memory/3728-64-0x00007FFA14A90000-0x00007FFA14AA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads