af931881445f375b740f42f182c797e8267c576e36f3093b10a935744154df60

Analysis

max time kernel
147s
max time network
140s
platform
windows10_x64
resource
win10v20210410
submitted
21-07-2021 20:31

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General

Target

4ccde33da5102adc2990f49331e84b56.xls
Size

660KB
MD5

4ccde33da5102adc2990f49331e84b56
SHA1

e7332faff1e87f6e0a939472b729b4fa23b08df1
SHA256

af931881445f375b740f42f182c797e8267c576e36f3093b10a935744154df60
SHA512

9ba530cc363d3aaacea9df88c63590389b3d0cb850945d7befa90e4d489db264df1ce447085f6400b0b90fc5282ce5782c387fe6d8a7bbbee735483888d94d22

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

4048 EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	EXCEL.EXE
4048	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\4ccde33da5102adc2990f49331e84b56.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4048

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4048-114-0x00007FF72F110000-0x00007FF7326C6000-memory.dmp

Filesize
53.7MB

Download
memory/4048-115-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4048-116-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4048-117-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4048-118-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4048-122-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/4048-121-0x00007FFDC3350000-0x00007FFDC443E000-memory.dmp

Filesize
16.9MB

Download
memory/4048-123-0x00007FFDC1450000-0x00007FFDC3345000-memory.dmp

Filesize
31.0MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads