41cffd4f695c960fbb2b3c5e133a70ce4e75980bf8c1abed897ad3e5d90c5413

Analysis

max time kernel
135s
max time network
132s
platform
windows10_x64
resource
win10-20220414-en
submitted
07-07-2022 04:37

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General

Target

41cffd4f695c960fbb2b3c5e133a70ce4e75980bf8c1abed897ad3e5d90c5413.xls
Size

95KB
MD5

9f55f6cbe0093da445d7fbaf7e7957b4
SHA1

2325172171c339d062daf9ecbda8dbad4ddaee68
SHA256

41cffd4f695c960fbb2b3c5e133a70ce4e75980bf8c1abed897ad3e5d90c5413
SHA512

069b7762afc1ee2e4206f8164b28d16dc691f093d51e34cc872d307ef0ea03c242efad6335e02a245aebe758e091e32808f4563ea2671ea3173b2d118df87079

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

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

3148 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

3148 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

3148 EXCEL.EXE
3148 EXCEL.EXE
3148 EXCEL.EXE
3148 EXCEL.EXE
3148 EXCEL.EXE
3148 EXCEL.EXE

pid	process
3148	EXCEL.EXE

pid	process
3148	EXCEL.EXE

pid	process
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	EXCEL.EXE
3148	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\41cffd4f695c960fbb2b3c5e133a70ce4e75980bf8c1abed897ad3e5d90c5413.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3148

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/3148-114-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp

Filesize
64KB

Download
memory/3148-115-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp

Filesize
64KB

Download
memory/3148-116-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp

Filesize
64KB

Download
memory/3148-117-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp

Filesize
64KB

Download
memory/3148-126-0x00007FFC14460000-0x00007FFC14470000-memory.dmp

Filesize
64KB

Download
memory/3148-127-0x00007FFC14460000-0x00007FFC14470000-memory.dmp

Filesize
64KB

Download