37ba8d755d649a76052bf8225be259ee47e5ab35eeabb07b6d1988c22f7187f8

Analysis

max time kernel
113s
max time network
124s
platform
windows10_x64
resource
win10-en-20211014
submitted
03-12-2021 14:44

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General

Target

tmp/37ba8d755d649a76052bf8225be259ee47e5ab35eeabb07b6d1988c22f7187f8.xls
Size

229KB
MD5

0a4933f2a8175aef114f1180ac2b97c2
SHA1

bcc928f2507bba21660fa2153aca0cc129682236
SHA256

37ba8d755d649a76052bf8225be259ee47e5ab35eeabb07b6d1988c22f7187f8
SHA512

46548a16f916292b958583162d83f274f05292d9e46d158dd98087cd1215bd6f965117c396232e75069bd651abf47d713a5d0649074502a70197d45bbc6fec1c

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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2500 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	EXCEL.EXE
2500	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\tmp\37ba8d755d649a76052bf8225be259ee47e5ab35eeabb07b6d1988c22f7187f8.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2500

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/2500-115-0x00007FF7FB410000-0x00007FF7FB420000-memory.dmp

Filesize
64KB

Download
memory/2500-116-0x00007FF7FB410000-0x00007FF7FB420000-memory.dmp

Filesize
64KB

Download
memory/2500-117-0x00007FF7FB410000-0x00007FF7FB420000-memory.dmp

Filesize
64KB

Download
memory/2500-118-0x00007FF7FB410000-0x00007FF7FB420000-memory.dmp

Filesize
64KB

Download
memory/2500-119-0x0000023A378F0000-0x0000023A378F2000-memory.dmp

Filesize
8KB

Download
memory/2500-120-0x0000023A378F0000-0x0000023A378F2000-memory.dmp

Filesize
8KB

Download
memory/2500-121-0x00007FF7FB410000-0x00007FF7FB420000-memory.dmp

Filesize
64KB

Download
memory/2500-122-0x0000023A378F0000-0x0000023A378F2000-memory.dmp

Filesize
8KB

Download
memory/2500-128-0x00007FF7F8120000-0x00007FF7F8130000-memory.dmp

Filesize
64KB

Download
memory/2500-129-0x00007FF7F8120000-0x00007FF7F8130000-memory.dmp

Filesize
64KB

Download