1e363ab42817c172e29488a766ac3ef5f6e824b2b869d1d9f1943a91806da136

General

Target

1e363ab42817c172e29488a766ac3ef5f6e824b2b869d1d9f1943a91806da136.xls
Size

4.8MB
MD5

0044c492946505a1338347bc9181b041
SHA1

e3d213f375ab76c2a5d099fcd1f66831ff0dc9d3
SHA256

1e363ab42817c172e29488a766ac3ef5f6e824b2b869d1d9f1943a91806da136
SHA512

86c6b6db730fbad1637acbc2619954dd333e0e4c798a762ce8e28f3567a68e189a7b4694a1013783e07b8dfe0d245ca017d21e2b5f33b9a46cb2ab16871bb2e2
SSDEEP

98304:9v4K91f7vFpQ+g8RFpiLd+8kLD84tCEr0RtNiC5eSsNMt+r+WC1HnKHnn3BBXXXs:9vpvFa+g8RWLdPk/84tCEr0RtNiC5eSt

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\EXCEL.EXE is not expected to spawn this process	3312	3368	DW20.EXE	EXCEL.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:

EXCEL.EXEdwwin.exe

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

Processes:

EXCEL.EXEdwwin.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3368 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EXCEL.EXE

pid process

3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE
3368 EXCEL.EXE

pid	process
3368	EXCEL.EXE

pid	process
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE

pid	process
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE
3368	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 3368 wrote to memory of 3312	3368	EXCEL.EXE	DW20.EXE
PID 3368 wrote to memory of 3312	3368	EXCEL.EXE	DW20.EXE
PID 3312 wrote to memory of 5052	3312	DW20.EXE	dwwin.exe
PID 3312 wrote to memory of 5052	3312	DW20.EXE	dwwin.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\1e363ab42817c172e29488a766ac3ef5f6e824b2b869d1d9f1943a91806da136.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:3368

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 5020
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3312

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 5020
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:5052

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/3312-140-0x0000000000000000-mapping.dmp

Download
memory/3312-151-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3312-150-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3312-149-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3312-148-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3368-138-0x00007FF97AC00000-0x00007FF97AC10000-memory.dmp

Filesize
64KB

Download
memory/3368-132-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3368-139-0x0000018A761D0000-0x0000018A761D4000-memory.dmp

Filesize
16KB

Download
memory/3368-137-0x00007FF97AC00000-0x00007FF97AC10000-memory.dmp

Filesize
64KB

Download
memory/3368-147-0x0000018A7B234000-0x0000018A7B236000-memory.dmp

Filesize
8KB

Download
memory/3368-136-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3368-135-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3368-134-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/3368-133-0x00007FF97CD10000-0x00007FF97CD20000-memory.dmp

Filesize
64KB

Download
memory/5052-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads