c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab

Analysis

max time kernel
136s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2024, 03:15

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General

Target

c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe
Size

154KB
MD5

bbe8e829aee18186412c5aa0a0a53382
SHA1

e44472544add419c8ad1fca677cd4cceca18d02c
SHA256

c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab
SHA512

ae27a93fd3d6f9410621707db4891793f6f6d718589688f0eb5bcc8c758c4bac3b37e07fe4b4cf01ec4c74bf851a3b71b7ed2b7ad89535d2fd38f0090fcc9fdc
SSDEEP

3072:Ntbqvi9nMKxQbZ5x66EfACsxfcYvQd2Oep:Nt2vsx+AV4LfLOO

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe

Executes dropped EXE 1 IoCs

pid	Process
2624	biudfw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 2624	1468	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe	88
PID 1468 wrote to memory of 2624	1468	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe	88
PID 1468 wrote to memory of 2624	1468	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe	88
PID 1468 wrote to memory of 2264	1468	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe	89
PID 1468 wrote to memory of 2264	1468	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe	89
PID 1468 wrote to memory of 2264	1468	c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe	89

C:\Users\Admin\AppData\Local\Temp\c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe
"C:\Users\Admin\AppData\Local\Temp\c562276ebb24c6752847dfc97fa16c3d79f0106621c9b0eeda7e8713e222f8ab.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
154KB

MD5
3abc59376e196dd5f2aaf0891e4ae48e

SHA1
b816f5e8c5801a1fe93d9a24eedd6e90ecb2c26d

SHA256
d7ba16f5b37f6aab51db11588838b36b5c09198f147894c2c7339603426291e5

SHA512
0eac983684f1e910f347ff8c52fda3cc374e2a9920a71afe872d0152f63c1c9e3ad454b474a18f2c589770374a701c6a3d18659d149cb73d467c85ce50b39c38

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C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
2930c042c9ee5e07f321f2134a0c7edc

SHA1
ee39f41eaf6ce3c8d917a89e65959414ae0088e6

SHA256
a328475bbb730da292b83ed6cabbdbfc0616f042296f0c6fa356c5368ffc1309

SHA512
2da91d5effc116d8c8661c2a99f1d9c2aaffda0f776551dc7ad1911fdb2765591e5b441b9a1fe0090bcda8ed24d180b563ed2c127676cf1de40001e4b15b5506

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C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

Filesize
338B

MD5
218f1183cea08a87d59f988bb1532733

SHA1
4689ac14fe87c120737c99d8fd9ca54cd0f867f7

SHA256
48ebb3ba1daba58d6a0d2b53bbd5edab42ce9e4041d1cb41bbf48ba267147059

SHA512
f81ca8f6913504c15d0368f1eab10f578256d8940de58841216e7062eaf8d03ae13c27d6741c694d2ed9fb815906800eeb7547209500b926922bf6e422a37359

Download Submit