f9b69b75ce2edd9a2919959726c1975c7985e15f29f6ac72220dbafda2f5b972

Analysis

max time kernel
112s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 08:52

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General

Target

b03172ed02e4e61fb37e59919ecec560N.exe
Size

16KB
MD5

b03172ed02e4e61fb37e59919ecec560
SHA1

629f169a9ddc2d8269b26de0925be2771c5b1fae
SHA256

f9b69b75ce2edd9a2919959726c1975c7985e15f29f6ac72220dbafda2f5b972
SHA512

b179486c3643a91532afa91e1f9a7ed6d2b9f8816d51b7545089e78b09760bade16060a5f43688b2a59945a8f88d0c8db7de19bd06e74db8ddd95c2c9ddea859
SSDEEP

192:iG1iIwljCv8txM/IEmtS0o9vfYpywnL52SATIAt:iAwlGv8tO/I80oJfYp1nMSe

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	b03172ed02e4e61fb37e59919ecec560N.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	ieupdate.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 2 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	b03172ed02e4e61fb37e59919ecec560N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ieupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4920	1956	b03172ed02e4e61fb37e59919ecec560N.exe	85
PID 1956 wrote to memory of 4920	1956	b03172ed02e4e61fb37e59919ecec560N.exe	85
PID 1956 wrote to memory of 4920	1956	b03172ed02e4e61fb37e59919ecec560N.exe	85

C:\Users\Admin\AppData\Local\Temp\b03172ed02e4e61fb37e59919ecec560N.exe
"C:\Users\Admin\AppData\Local\Temp\b03172ed02e4e61fb37e59919ecec560N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\ieupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\ieupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4920

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\ieupdate.exe

Filesize
16KB

MD5
9b2007484fe57860117a81a17f898faf

SHA1
3201d47e634623fd40ddbaccfbb3baed7e0f2ee4

SHA256
8e7ddba631bad408d8e068a6cd4f00e0426bbd5f5ec1c772cf7927f86c3331a0

SHA512
f9aed7e4632c1c4562008f165e703f8ffedb4fe12114dec9bfe31128a0fc14d62d6ec0794cf51402714548d97124a994466101deda71dc2e57b815fdfc7f4d4e

Download Submit
memory/1956-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1956-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/1956-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4920-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download