2a981eb121e596b8f937297dc28da0bf939e4acadbd4e2b77985e77aa4c171e0

Analysis

max time kernel
119s
max time network
166s
platform
windows10_x64
resource
win10-en-20211014
submitted
29-10-2021 10:54

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General

Target

RPA Purchase Order.xlsx
Size

357KB
MD5

6684b0095b69f76c12587614c986f4ae
SHA1

75ff856b74e20b6d1271d5e8c6589a31ed9886fc
SHA256

2a981eb121e596b8f937297dc28da0bf939e4acadbd4e2b77985e77aa4c171e0
SHA512

eed52e72169aad4dc231589f755569416d8837c71669f2bdcab83f440fdf676ea83df6c19a2ec9443f965567487a208f90d1cb4c697bccb78af40185823d88e7

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:

EXCEL.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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3152 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.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\RPA Purchase Order.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3152

Network

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/3152-115-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3152-116-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3152-117-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3152-118-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3152-120-0x000001A144960000-0x000001A144962000-memory.dmp

Filesize
8KB

Download
memory/3152-119-0x000001A144960000-0x000001A144962000-memory.dmp

Filesize
8KB

Download
memory/3152-121-0x00007FFA59100000-0x00007FFA59110000-memory.dmp

Filesize
64KB

Download
memory/3152-122-0x000001A144960000-0x000001A144962000-memory.dmp

Filesize
8KB

Download