b260a324f1d3b6135a4c52889fb0a4e436ddd6adb6ce61c380b25b33e3a05b80

General

Target

657c45ade4303bb41097337af74f446f_JaffaCakes118.doc
Size

247KB
MD5

657c45ade4303bb41097337af74f446f
SHA1

f4bc5c8995e3e799fa130fba23314f2f95050c6b
SHA256

b260a324f1d3b6135a4c52889fb0a4e436ddd6adb6ce61c380b25b33e3a05b80
SHA512

0167228d2527fc9a1454311ef429bf1eefb10d1e5b17abf0d261fcfed48b9b81a43209b078b02bf45186552479c269f178d11f1a235f6b4650521fc56e249b05
SSDEEP

6144:Q0Rum7mdLRp1bbSBIR/EHGtCMXgTo8qoFt/etg+p4z+cGAihG:Q0E3dxtR/iU9mvUPxbdhG

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	2924	4940	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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4940 WINWORD.EXE
4940 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WINWORD.EXE

pid process

4940 WINWORD.EXE
4940 WINWORD.EXE
4940 WINWORD.EXE
4940 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

4940 WINWORD.EXE
4940 WINWORD.EXE
4940 WINWORD.EXE
4940 WINWORD.EXE

pid	process
4940	WINWORD.EXE
4940	WINWORD.EXE

pid	process
4940	WINWORD.EXE
4940	WINWORD.EXE
4940	WINWORD.EXE
4940	WINWORD.EXE

pid	process
4940	WINWORD.EXE
4940	WINWORD.EXE
4940	WINWORD.EXE
4940	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEDW20.EXE

description	pid	process	target process
PID 4940 wrote to memory of 2924	4940	WINWORD.EXE	DW20.EXE
PID 4940 wrote to memory of 2924	4940	WINWORD.EXE	DW20.EXE
PID 2924 wrote to memory of 1568	2924	DW20.EXE	dwwin.exe
PID 2924 wrote to memory of 1568	2924	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\657c45ade4303bb41097337af74f446f_JaffaCakes118.doc" /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:4940

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 3732
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 3732
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:1568

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

memory/2924-67-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/2924-68-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/2924-69-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/2924-70-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/4940-16-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-17-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-5-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-4-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-2-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/4940-12-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-11-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-10-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-9-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-13-0x00007FFE755B0000-0x00007FFE755C0000-memory.dmp

Filesize
64KB

Download
memory/4940-0-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/4940-14-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-15-0x00007FFE755B0000-0x00007FFE755C0000-memory.dmp

Filesize
64KB

Download
memory/4940-8-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/4940-21-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-22-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-20-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-19-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-18-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-36-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-40-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-51-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-6-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/4940-7-0x00007FFEB7590000-0x00007FFEB7785000-memory.dmp

Filesize
2.0MB

Download
memory/4940-3-0x00007FFE77610000-0x00007FFE77620000-memory.dmp

Filesize
64KB

Download
memory/4940-1-0x00007FFEB762D000-0x00007FFEB762E000-memory.dmp

Filesize
4KB

Download
memory/4940-71-0x00007FFEB7590000-0x00007FFEB7785000-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