4c26657af2c3d125e367f56a36faf49573f77c6a9af55143175ad81263569504

Analysis

max time kernel
133s
max time network
135s
platform
windows10_x64
resource
win10-en-20211208
submitted
14-01-2022 00:15

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General

Target

4c26657af2c3d125e367f56a36faf49573f77c6a9af55143175ad81263569504.xlsm
Size

83KB
MD5

7af5d5d483a8030e2f6a8bb74b7d0f44
SHA1

75e2644fa41cb965a182fde157f78aee69a74a01
SHA256

4c26657af2c3d125e367f56a36faf49573f77c6a9af55143175ad81263569504
SHA512

f006236102582f2d47de79789aeb65dcde8dd363dd9c3f841a51740fe786031caf59ae06c63ea337d50e472c2145f8757156afbd60608a05f43d350cb39eec04

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://adi.iswks.com/assets/hO1v71pqfNN/

xlm40.dropper

http://kopbhawan.com/mdphht/fwqEBVQlJXHayt/

xlm40.dropper

http://towardsun.net/admin/dcg3jSLkPuYsQ5xB/

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 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

848 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

848 EXCEL.EXE
848 EXCEL.EXE
848 EXCEL.EXE
848 EXCEL.EXE
848 EXCEL.EXE
848 EXCEL.EXE
848 EXCEL.EXE
848 EXCEL.EXE

pid	process
848	EXCEL.EXE

pid	process
848	EXCEL.EXE
848	EXCEL.EXE
848	EXCEL.EXE
848	EXCEL.EXE
848	EXCEL.EXE
848	EXCEL.EXE
848	EXCEL.EXE
848	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\4c26657af2c3d125e367f56a36faf49573f77c6a9af55143175ad81263569504.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:848

Network

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

Replay Monitor

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Downloads

memory/848-115-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/848-116-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/848-117-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/848-118-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/848-120-0x0000026875200000-0x0000026875202000-memory.dmp

Filesize
8KB

Download
memory/848-119-0x0000026875200000-0x0000026875202000-memory.dmp

Filesize
8KB

Download
memory/848-121-0x00007FFE91410000-0x00007FFE91420000-memory.dmp

Filesize
64KB

Download
memory/848-122-0x0000026875200000-0x0000026875202000-memory.dmp

Filesize
8KB

Download