7a3d1b636c40404bf9abd69eab8188d09acfdba887ce800987da94356dfb5fc4

Analysis

max time kernel
101s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2023 04:51

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General

Target

7a3d1b636c40404bf9abd69eab8188d09acfdba887ce800987da94356dfb5fc4.xls
Size

4.8MB
MD5

fe6544a9dd0743c783d1b615d5d62fdf
SHA1

3547bb97ad10afe432e1e068ba94d1cec6a322a4
SHA256

7a3d1b636c40404bf9abd69eab8188d09acfdba887ce800987da94356dfb5fc4
SHA512

43c008f1d498fa8f096f55b856719f81f85c388f07d37d8038a53e6cba7ab07b8baa1265f3656ed59376956f642b69f95ea851683bd7db5bd308cfe1fe0d30b9
SSDEEP

98304:Hv4K91f7vFpQ+g8RFpiLd+8kLD84tCEr0RtNiC5eSsNMt+r+WC1HnKHnn3BBXXX/:HvpvFa+g8RWLdPk/84tCEr0RtNiC5eSK

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

3448 EXCEL.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

EXCEL.EXE

pid process

3448 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	EXCEL.EXE
3448	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\7a3d1b636c40404bf9abd69eab8188d09acfdba887ce800987da94356dfb5fc4.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3448

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/3448-132-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-133-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-134-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-135-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-136-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-137-0x00007FFCDB720000-0x00007FFCDB730000-memory.dmp

Filesize
64KB

Download
memory/3448-138-0x00007FFCDB720000-0x00007FFCDB730000-memory.dmp

Filesize
64KB

Download
memory/3448-139-0x00000237937F0000-0x00000237937F4000-memory.dmp

Filesize
16KB

Download
memory/3448-140-0x0000023796D41000-0x0000023796D43000-memory.dmp

Filesize
8KB

Download
memory/3448-141-0x0000023796F03000-0x0000023796F05000-memory.dmp

Filesize
8KB

Download
memory/3448-142-0x0000023796D3A000-0x0000023796D3C000-memory.dmp

Filesize
8KB

Download
memory/3448-144-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-145-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-147-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download
memory/3448-146-0x00007FFCDDAD0000-0x00007FFCDDAE0000-memory.dmp

Filesize
64KB

Download