b3edffa8d6ba198666d4ceda7175c164e7da027f524047101e31d84a422faf31

Analysis

max time kernel
47s
max time network
36s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 01:57

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General

Target

b3edffa8d6ba198666d4ceda7175c164e7da027f524047101e31d84a422faf31.xls
Size

106KB
MD5

cdacc8e9feecb17ec94d2f2604cabb2b
SHA1

40f6e27ef4530b5243784816cf094e690680ed50
SHA256

b3edffa8d6ba198666d4ceda7175c164e7da027f524047101e31d84a422faf31
SHA512

2c781723db0314c85f9ff6a855f100740f539f0665dd28056c331182cf468685b96563aed402771a32a41f3740b98c3fea480b5550491fdc311c94130ba43317
SSDEEP

3072:asKpbdrHYrMue8q7QPX+5xtekEdi8/dg3tgSmsCpH/KZuAZGsMF:JKpbdrHYrMue8q7QPX+5xtFEdi8/dgdM

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://dougveeder.com/cgi-bin/xJ91ZttGRioQ7IUL/

xlm40.dropper

https://e-fistik.com/ajax/PnA23/

xlm40.dropper

http://dsinformaticos.com/_private/f36Yl/

xlm40.dropper

http://dstny.net/cgi-bin/POqJKcxiIzRb/

xlm40.dropper

http://fakecity.net/cache/XtIzhyLEoLI7/

xlm40.dropper

http://fayeschmidt.com/cgi-bin/Q8pj6/

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1248 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1248 EXCEL.EXE
1248 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

1248 EXCEL.EXE
1248 EXCEL.EXE
1248 EXCEL.EXE
1248 EXCEL.EXE
1248 EXCEL.EXE
1248 EXCEL.EXE
1248 EXCEL.EXE
1248 EXCEL.EXE

pid	process
1248	EXCEL.EXE

pid	process
1248	EXCEL.EXE
1248	EXCEL.EXE

pid	process
1248	EXCEL.EXE
1248	EXCEL.EXE
1248	EXCEL.EXE
1248	EXCEL.EXE
1248	EXCEL.EXE
1248	EXCEL.EXE
1248	EXCEL.EXE
1248	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\b3edffa8d6ba198666d4ceda7175c164e7da027f524047101e31d84a422faf31.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
950eed6d3ddede374fc43a2f633f77b6

SHA1
bd6a1978c3eb3de2685176c811ec70ede688d735

SHA256
00f2356a2d9fa108e55510e9377deab81bfdec4a7381471eae5336806908093c

SHA512
f9a16facd1831ffa3ac612b5ed5a5b8dc6ae479f3c62bbc5acaa2a38453690669527712b3962358c48a2519c43ade8eedff6efe9e17a2c71d632403ac3ac7d37

Download Submit
memory/1248-16-0x00007FFF52050000-0x00007FFF52060000-memory.dmp

Filesize
64KB

Download
memory/1248-4-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1248-15-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-7-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-9-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-6-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-1-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1248-2-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1248-0-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1248-14-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-8-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-5-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1248-13-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-17-0x00007FFF52050000-0x00007FFF52060000-memory.dmp

Filesize
64KB

Download
memory/1248-21-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-20-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-19-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-18-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-12-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-11-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-10-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-31-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/1248-3-0x00007FFF940CD000-0x00007FFF940CE000-memory.dmp

Filesize
4KB

Download