573d4f8505e61c19238ed89188ec3054769f8875d0ab6a83b23ff2a00661b9fe

Analysis

max time kernel
1077s
max time network
721s
platform
windows10_x64
resource
win10v20210408
submitted
09-09-2021 04:44

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General

Target

Proof Of Payment.docx
Size

55KB
MD5

ea71d89968b7905ee75c44dcae8230c2
SHA1

616c670c9bc92a00da095818a8d12982ea80c705
SHA256

573d4f8505e61c19238ed89188ec3054769f8875d0ab6a83b23ff2a00661b9fe
SHA512

fcd58a1198317042f21599222d237fbe8547080032f29c9b70c38f6f8779dbf6be3e37462a867803fb6cd2059a643cd3a357cb2ceba2efaaf4589a0a58d4b7d7

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1320 WINWORD.EXE
1320 WINWORD.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

1320 WINWORD.EXE
1320 WINWORD.EXE
1320 WINWORD.EXE
1320 WINWORD.EXE
1320 WINWORD.EXE
1320 WINWORD.EXE
1320 WINWORD.EXE
1320 WINWORD.EXE
1320 WINWORD.EXE

pid	process
1320	WINWORD.EXE
1320	WINWORD.EXE

pid	process
1320	WINWORD.EXE
1320	WINWORD.EXE
1320	WINWORD.EXE
1320	WINWORD.EXE
1320	WINWORD.EXE
1320	WINWORD.EXE
1320	WINWORD.EXE
1320	WINWORD.EXE
1320	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1320 wrote to memory of 2232	1320	WINWORD.EXE	splwow64.exe
PID 1320 wrote to memory of 2232	1320	WINWORD.EXE	splwow64.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\Proof Of Payment.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2232

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1320-114-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/1320-115-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/1320-116-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/1320-117-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/1320-119-0x00007FFC3AEC0000-0x00007FFC3AED0000-memory.dmp

Filesize
64KB

Download
memory/1320-118-0x00007FFC5C420000-0x00007FFC5EF43000-memory.dmp

Filesize
43.1MB

Download
memory/1320-122-0x00007FFC567A0000-0x00007FFC5788E000-memory.dmp

Filesize
16.9MB

Download
memory/1320-123-0x00007FFC548A0000-0x00007FFC56795000-memory.dmp

Filesize
31.0MB

Download
memory/2232-279-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads