fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:49

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General

Target

fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe
Size

48KB
MD5

5f2abd14d07f2d5ffb25f5330d8c6cf0
SHA1

2f43afbdb87cd7385313eeb3e5db9ceaa7a789bc
SHA256

fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3
SHA512

f76c1eb1b5c4aededcccfc66b467f5a32e77ce562314b9fd440d91b24d0ff8178b7f25e15de060ef32f3774dd6918eba6cdaa218ea8f32c62c5d3023175ee34e
SSDEEP

768:f+fAQqud1lKAKmy5ne+9lWNNnLyLpIgAXhT:fMdvBKmy5e+H8nedIgAxT

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe

Executes dropped EXE 1 IoCs

pid	Process
4692	pytcw.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	fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pytcw.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 4692	864	fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe	83
PID 864 wrote to memory of 4692	864	fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe	83
PID 864 wrote to memory of 4692	864	fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe	83

C:\Users\Admin\AppData\Local\Temp\fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe
"C:\Users\Admin\AppData\Local\Temp\fc1c407d59b013edf2841519c491414169b4ea779159b988e383ef7b1660f5d3N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:864
- C:\Users\Admin\AppData\Local\Temp\pytcw.exe
  "C:\Users\Admin\AppData\Local\Temp\pytcw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4692

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\pytcw.exe

Filesize
48KB

MD5
44295cf3d703e50d0a7b190920cfe5ce

SHA1
fb95ffc723056dbc590ff9fe5f9ea542b1625720

SHA256
a4f56398ac505005ddc09da7b53ce7864ba1ca8bc6d4a6fdcfd08a359c1ee3cd

SHA512
7755030b51db5d1cffbf11ab531144eb14a72910522c2192bdb49769bc7267e89fe1adeb0f364406035c8a558ed6a2b5c012416b1e927a72328ad0a1f601fd35

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