f478d6aa621a6a35cb6c38307541f0ffbb151683a5f89dcaf497d5678bbb50e6

Analysis

max time kernel
121s
max time network
130s
platform
windows10_x64
resource
win10-en-20211014
submitted
26-10-2021 08:58

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General

Target

IMS211323.xlsx
Size

446KB
MD5

295b9af11cde64a883299d1790239034
SHA1

5c51f35a68ed2c0333d25aec2d456660d4b3cf65
SHA256

f478d6aa621a6a35cb6c38307541f0ffbb151683a5f89dcaf497d5678bbb50e6
SHA512

b8017f40fb9a79c99e81cd25bf98a11c14b731788b5ac8771a07724fa95cc3a4f515c432105e8c759b83349e6c6fbad4b20a675543a00aa2c021e78c56493e23

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2720 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	EXCEL.EXE
2720	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\IMS211323.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2720

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/2720-115-0x00007FFB0ED40000-0x00007FFB0ED50000-memory.dmp

Filesize
64KB

Download
memory/2720-116-0x00007FFB0ED40000-0x00007FFB0ED50000-memory.dmp

Filesize
64KB

Download
memory/2720-117-0x00007FFB0ED40000-0x00007FFB0ED50000-memory.dmp

Filesize
64KB

Download
memory/2720-118-0x00007FFB0ED40000-0x00007FFB0ED50000-memory.dmp

Filesize
64KB

Download
memory/2720-119-0x00007FFB0ED40000-0x00007FFB0ED50000-memory.dmp

Filesize
64KB

Download
memory/2720-120-0x00000162D0DB0000-0x00000162D0DB2000-memory.dmp

Filesize
8KB

Download
memory/2720-121-0x00000162D0DB0000-0x00000162D0DB2000-memory.dmp

Filesize
8KB

Download
memory/2720-122-0x00000162D0DB0000-0x00000162D0DB2000-memory.dmp

Filesize
8KB

Download