3ec6f6e82d0a4ae08c365a701ab02d793e59db3a54f012c0639b693d7d5cf573

Analysis

max time kernel
107s
max time network
133s
platform
windows10_x64
resource
win10v20210410
submitted
19-04-2021 11:57

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General

Target

specification.xlsx
Size

379KB
MD5

94c2bb7133cc4bebeb9fbe43fc739d87
SHA1

daa3c4e5fc17f81fc4e1f6a54fa822bb59b2e36d
SHA256

3ec6f6e82d0a4ae08c365a701ab02d793e59db3a54f012c0639b693d7d5cf573
SHA512

fc24e772f07aaefed535837f0dd59a9e689766fa5325929e03e88371ac2b981b98ceeaf8b4eb239f1509691f8605e4e46e99fbd2fd43ad04284da4d41b731e41

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

3840 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	EXCEL.EXE
3840	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\specification.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3840

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3840-114-0x00007FF63CA50000-0x00007FF640006000-memory.dmp

Filesize
53.7MB

Download
memory/3840-115-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3840-116-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3840-117-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3840-118-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3840-121-0x00007FFE15F50000-0x00007FFE1703E000-memory.dmp

Filesize
16.9MB

Download
memory/3840-122-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3840-123-0x000001DDDC890000-0x000001DDDE785000-memory.dmp

Filesize
31.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads