b4e301a7f933378645270404a965dc92b5b3498c905586b72ccffe8491b8cba9

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2023 08:54

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General

Target

400c7db08b72980937ebe065abad6fd0.xls
Size

191KB
MD5

400c7db08b72980937ebe065abad6fd0
SHA1

34cc938e4d296eb64fde214bec372b67376139ed
SHA256

b4e301a7f933378645270404a965dc92b5b3498c905586b72ccffe8491b8cba9
SHA512

2708572c9d6cfe582f98ab34cfce2ed2c17365ea41740a0586579a6e67afe71fafc6b152e0ce74df65f74ebfcdef2200ca446df0278248123720907443b3179c
SSDEEP

3072:6rQ2xEtjPOtioVjDGUU1qfDlaGGx+cL2QjAYkJIlAD/XxHNl9/Bm9BZiRNOqW2N4:CxEtjPOtioVjDGUU1qfDlavx+W2QjA9

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

3452 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	EXCEL.EXE
3452	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\400c7db08b72980937ebe065abad6fd0.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3452

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

C:\Users\Admin\AppData\Local\Temp\VBAA5F.tmp
Filesize
1KB

MD5
a950fcfb38c4bd2aed2ab8de725d0c4f

SHA1
93b21283abc042f7b21a78a4551e98a96bff73a3

SHA256
5474b6db2ec8267733054de176aa0096e5d4a6e656dc9d8766c810528ac8b5c1

SHA512
2ef190c0e1542bcec78f27719b42579fd0f5bb0b3c538c1e8ed3619266b018ba7185e3cf2c2b5a1b6b34cb217596f3e184a6116f418b7792d5d034dcb9915be4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
Filesize
256B

MD5
c6b1a5f0fabb13661274b6680a92fb51

SHA1
fb4f7039b2ebec3cb4437d95d522525294cadccc

SHA256
3187033c928e0b968eba0b2ade93ae172fe40093bb6f99ac4b3f8a0d5fd506d1

SHA512
25138c9e45282406b41ed01d2dc97da4be0db6cb254b8bac28244990065264390c6514d163f95e32993d91d9c77366de8de26440f51ac873da7ac97feff0d221

Download Submit
memory/3452-139-0x00007FFF0CD90000-0x00007FFF0CDA0000-memory.dmp

Filesize
64KB

Download
memory/3452-136-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-137-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-138-0x00007FFF0CD90000-0x00007FFF0CDA0000-memory.dmp

Filesize
64KB

Download
memory/3452-133-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-134-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-135-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-198-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-199-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-200-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download
memory/3452-201-0x00007FFF0F210000-0x00007FFF0F220000-memory.dmp

Filesize
64KB

Download