2c51b60afd53c78a31d96673a9ff33bf6d4eec17c774e8cf1dde2018b90b425a

General

Target

2c51b60afd53c78a31d96673a9ff33bf6d4eec17c774e8cf1dde2018b90b425a.xls
Size

22KB
MD5

013c90d7a07e365e82fd8ed0103efbe9
SHA1

cf103af76d477d41d25b549c3a17569382631171
SHA256

2c51b60afd53c78a31d96673a9ff33bf6d4eec17c774e8cf1dde2018b90b425a
SHA512

37777260556137d7a611a4702cfc91a66a993a58488c17735858fea027a15b0d9c788c38d687b56bfb9446d2d5a143624d6914a78a5d395692aac04e5ca7e00d
SSDEEP

192:gx5Hh439gyLPUVWYqJo+kIy1PfT468H/y/VDCnnQn1bcYDHBjFNjZDa6X:I7WYqJofIypL46QaNGnQn1oYDHBp

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:

wscript.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	3960	4152	wscript.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

102 3960 wscript.exe

flow	pid	process
102	3960	wscript.exe

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	3152	4152	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:

dwwin.exeEXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4152 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EXCEL.EXE

pid process

4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid process

4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE
4152 EXCEL.EXE

pid	process
4152	EXCEL.EXE

pid	process
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE

pid	process
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE
4152	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 4152 wrote to memory of 3960	4152	EXCEL.EXE	wscript.exe
PID 4152 wrote to memory of 3960	4152	EXCEL.EXE	wscript.exe
PID 4152 wrote to memory of 3152	4152	EXCEL.EXE	DW20.EXE
PID 4152 wrote to memory of 3152	4152	EXCEL.EXE	DW20.EXE
PID 3152 wrote to memory of 3580	3152	DW20.EXE	dwwin.exe
PID 3152 wrote to memory of 3580	3152	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\2c51b60afd53c78a31d96673a9ff33bf6d4eec17c774e8cf1dde2018b90b425a.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:4152
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\windows.vbs"
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  PID:3960
- 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 3668
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:3152
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 3668
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3580

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\windows.vbs

Filesize
5KB

MD5
14c05d47ae9cd4cacd336604eed770cb

SHA1
8b2137d85a7b593b81dd48f62a3a47659aa0799a

SHA256
9d8af90ce1ad861305de4da0dcdb0253e51b164a505e6b126492413fc0ceb5ef

SHA512
8f12c44917ba6ca5d02494a247256aa5110d753b272df5595df8e6905e68af122c290f11fd0366994b5b05a997dc8723b498b4bf13e2bbd88dd72158e6453ba9

Download Submit
memory/3152-141-0x0000000000000000-mapping.dmp

Download
memory/3580-147-0x0000000000000000-mapping.dmp

Download
memory/3960-139-0x0000000000000000-mapping.dmp

Download
memory/4152-132-0x00007FF9F1110000-0x00007FF9F1120000-memory.dmp

Filesize
64KB

Download
memory/4152-133-0x00007FF9F1110000-0x00007FF9F1120000-memory.dmp

Filesize
64KB

Download
memory/4152-134-0x00007FF9F1110000-0x00007FF9F1120000-memory.dmp

Filesize
64KB

Download
memory/4152-135-0x00007FF9F1110000-0x00007FF9F1120000-memory.dmp

Filesize
64KB

Download
memory/4152-136-0x00007FF9F1110000-0x00007FF9F1120000-memory.dmp

Filesize
64KB

Download
memory/4152-137-0x00007FF9EEB20000-0x00007FF9EEB30000-memory.dmp

Filesize
64KB

Download
memory/4152-138-0x00007FF9EEB20000-0x00007FF9EEB30000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads