dd71645f8d2650393cfe6ee3d1033451cb53df34e121aebef5a7a152636b6b15

Analysis

max time kernel
136s
max time network
129s
platform
windows10_x64
resource
win10v20201028
submitted
08-04-2021 03:33

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General

Target

319.xls
Size

5KB
MD5

f764923b11c680724308638f400fb970
SHA1

efc18e008242a22caf79adcd50e8dd494765b145
SHA256

dd71645f8d2650393cfe6ee3d1033451cb53df34e121aebef5a7a152636b6b15
SHA512

ac7f6e0b7c4271fa2a543d871e4d8658124d172218944cef0fa5e4eefd652ecae0d16c999f949aa09b6aacfe256d1a4fdb29a5ea49d56408a8a2ac12c42a9b33

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

4000 EXCEL.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid process

4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE

pid	process
4000	EXCEL.EXE

pid	process
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	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\319.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4000

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

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Downloads

memory/4000-2-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

Download
memory/4000-3-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

Download
memory/4000-4-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

Download
memory/4000-5-0x00007FFCC0110000-0x00007FFCC0747000-memory.dmp

Filesize
6.2MB

Download
memory/4000-6-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads