9c44288b7f1ef7a0572278cfbcbb0d5f3ed15be9fdf37e58b13a47b8bdea4d51

Analysis

max time kernel
148s
max time network
101s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/07/2026, 00:15

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General

Target
OverwackLoader.exe
Size 345KB
Sample260702-aj461sh13s
SHA256 9c44288b7f1ef7a0572278cfbcbb0d5f3ed15be9fdf37e58b13a47b8bdea4d51
MD5 bb03c033a435297f3e5fbd4c0edb36f9
SHA1 ed06c2f2f307a670c74d68357ae67c50275c4ea0
SHA512 43b1fe5e8e01ce42744b0715b71b81b457c3a2bc9b468ab0440a11e69e0bceee24c4dfc2de5026fb592d094d2cbd70b5df0b4fe85ab52b53ff1fb8725c890235
SSDEEP 6144:DEk40dcUBO+9Om+5+qbRP9w/3niH4HhppPfwOkpuiSpQ1ai/omtrxLw4ZHjms0lC:U91P9wqH4HhppPYO8uiSpQ1ai/oCxLwL
TLSH
T166746C92FE8291F3E6CA01B891F7AB775D359D25A3109AC3E3D15DB04C216D0A23A3DD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file 1 IoCs

flow	pid	Process
4	3684	OverwackLoader.exe

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	OverwackLoader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3684	OverwackLoader.exe
3684	OverwackLoader.exe
3684	OverwackLoader.exe
3684	OverwackLoader.exe
3684	OverwackLoader.exe
3684	OverwackLoader.exe
3684	OverwackLoader.exe
3684	OverwackLoader.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 3644	3684	OverwackLoader.exe	89

C:\Users\Admin\AppData\Local\Temp\OverwackLoader.exe
"C:\Users\Admin\AppData\Local\Temp\OverwackLoader.exe"
1⤵
- Downloads MZ/PE file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c pause
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3644

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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