de54a7c99135db230ba151e513f7813ccca74b08201d7592958e82c51b152386

Analysis

max time kernel
127s
max time network
130s
platform
windows10_x64
resource
win10-en-20211208
submitted
15-01-2022 01:23

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General

Target

de54a7c99135db230ba151e513f7813ccca74b08201d7592958e82c51b152386.xlsm
Size

83KB
MD5

6b5fbfc62c3f736a188c3f614b14fbe3
SHA1

1ce7dd32aecf09f3b4683f9c3c005d0c6ae82b0a
SHA256

de54a7c99135db230ba151e513f7813ccca74b08201d7592958e82c51b152386
SHA512

ff04fc0017f3a39f777a8671fd030b210d8b99cb30202acc3cc0b0fee8e48f5f12c4b730576a2adfa43955c03e4a2a0e66e954cc8bacfa20963479010717e516

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://recont.com/n8xbqb/lwEORjcJYPKCNQ/

xlm40.dropper

http://dichnghiatienganh.com/jvmqawn/2mdbSTjM1Lg/

xlm40.dropper

https://www.moharrampartners.com/requestion/wiA/

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

2820 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

2820 EXCEL.EXE
2820 EXCEL.EXE
2820 EXCEL.EXE
2820 EXCEL.EXE
2820 EXCEL.EXE
2820 EXCEL.EXE
2820 EXCEL.EXE
2820 EXCEL.EXE

pid	process
2820	EXCEL.EXE

pid	process
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	EXCEL.EXE
2820	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\de54a7c99135db230ba151e513f7813ccca74b08201d7592958e82c51b152386.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2820

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/2820-115-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2820-116-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2820-117-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2820-118-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2820-119-0x0000027CA7CD0000-0x0000027CA7CD2000-memory.dmp

Filesize
8KB

Download
memory/2820-120-0x0000027CA7CD0000-0x0000027CA7CD2000-memory.dmp

Filesize
8KB

Download
memory/2820-121-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2820-122-0x0000027CA7CD0000-0x0000027CA7CD2000-memory.dmp

Filesize
8KB

Download