611ccb1d6251e3c51bf807fe03850e09229f3420477bf9a5d18e185f3dd7b4a4

Analysis

max time kernel
137s
max time network
135s
platform
windows10_x64
resource
win10v20201028
submitted
21-01-2021 06:26

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General

Target

_RFQ_MVSEASAIL_34.xlsx
Size

2.2MB
MD5

1e885c00156d5de8ae0b075c09638ebb
SHA1

62d93138955f35ef8ddadbf4f530fd6dc0d1beb1
SHA256

611ccb1d6251e3c51bf807fe03850e09229f3420477bf9a5d18e185f3dd7b4a4
SHA512

7af24dd6ac7e6b33c498cde3d2783d882c78ec84ebd0e5f6369e3ea74e9e3c339398232f9db7a4d2c9348ab4e31910b387f4f709cdc5c936962c4449d8a864b9

Score

5^/10

ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

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

4000 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4000 EXCEL.EXE
4000 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	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\_RFQ_MVSEASAIL_34.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4000

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4000-2-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

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memory/4000-3-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

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memory/4000-4-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

Download
memory/4000-5-0x00007FFCBFC70000-0x00007FFCC02A7000-memory.dmp

Filesize
6.2MB

Download
memory/4000-6-0x00007FFC9C810000-0x00007FFC9C820000-memory.dmp

Filesize
64KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads