312a5f5876fbf2fd54cfe9079bf4bc1f4c582b757ff6e40cd19c6b6d66a4b4bb

Analysis

max time kernel
151s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2022 22:48

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General

Target

312A5F5876FBF2FD54CFE9079BF4BC1F4C582B757FF6E40CD19C6B6D66A4B4BB.xls
Size

91KB
MD5

bf1dd9c97fb22403be5216898e950305
SHA1

89e8aa5150ff0ea2ee44bc143def981dfc48babd
SHA256

312a5f5876fbf2fd54cfe9079bf4bc1f4c582b757ff6e40cd19c6b6d66a4b4bb
SHA512

a473b9686e585fd8f992e702db393b4f2c0f96cb72c2738291d5a8ad398bf4e768060b80f6e9e7cb3d05f7b10e588703f8af315df79969d15c63035478e050be
SSDEEP

1536:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgHbCXuZH4gb4CEn9J4ZnX5:vKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg9

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 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	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4448 EXCEL.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

4448 EXCEL.EXE
4448 EXCEL.EXE
4448 EXCEL.EXE
4448 EXCEL.EXE

pid	process
4448	EXCEL.EXE

pid	process
4448	EXCEL.EXE
4448	EXCEL.EXE
4448	EXCEL.EXE
4448	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\312A5F5876FBF2FD54CFE9079BF4BC1F4C582B757FF6E40CD19C6B6D66A4B4BB.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4448

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/4448-132-0x00007FFF0B3F0000-0x00007FFF0B400000-memory.dmp

Filesize
64KB

Download
memory/4448-133-0x00007FFF0B3F0000-0x00007FFF0B400000-memory.dmp

Filesize
64KB

Download
memory/4448-134-0x00007FFF0B3F0000-0x00007FFF0B400000-memory.dmp

Filesize
64KB

Download
memory/4448-135-0x00007FFF0B3F0000-0x00007FFF0B400000-memory.dmp

Filesize
64KB

Download
memory/4448-136-0x00007FFF0B3F0000-0x00007FFF0B400000-memory.dmp

Filesize
64KB

Download
memory/4448-137-0x00007FFF08DB0000-0x00007FFF08DC0000-memory.dmp

Filesize
64KB

Download
memory/4448-138-0x00007FFF08DB0000-0x00007FFF08DC0000-memory.dmp

Filesize
64KB

Download