5299caa8131b3b21fb96123e8b9d0ce675bfa5287df1e0703e192e5087e40591

Analysis

max time kernel
102s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
05-05-2021 09:07

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General

Target

COVID 19 IVN AND CREW LIST.xlsx
Size

628KB
MD5

c64491aa41027a5b0df3658bbc85ae47
SHA1

dee8920d1755a26544f73cfbc66a0abb9aca7670
SHA256

5299caa8131b3b21fb96123e8b9d0ce675bfa5287df1e0703e192e5087e40591
SHA512

f70e1efab4dff9f781b7a7312cb144d8f10a5691d4b560d0b5f77a96d3d33ce66f264a7f32e061a60bfe19cfe7c74ee1974e3f1d35ffc8807b05fb7614b279a9

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

3968 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3968 wrote to memory of 1048	3968	EXCEL.EXE	splwow64.exe
PID 3968 wrote to memory of 1048	3968	EXCEL.EXE	splwow64.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\COVID 19 IVN AND CREW LIST.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1048

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/1048-179-0x0000000000000000-mapping.dmp

Download
memory/3968-114-0x00007FF7CC770000-0x00007FF7CFD26000-memory.dmp

Filesize
53.7MB

Download
memory/3968-115-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

Filesize
64KB

Download
memory/3968-116-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

Filesize
64KB

Download
memory/3968-117-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

Filesize
64KB

Download
memory/3968-118-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

Filesize
64KB

Download
memory/3968-122-0x00007FFF0E020000-0x00007FFF0E030000-memory.dmp

Filesize
64KB

Download
memory/3968-121-0x00007FFF2E0D0000-0x00007FFF2F1BE000-memory.dmp

Filesize
16.9MB

Download
memory/3968-123-0x000001D2BE8C0000-0x000001D2C07B5000-memory.dmp

Filesize
31.0MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads