4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/07/2026, 08:08

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General

Target
4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe
Size 3.3MB
Sample260706-j1wewaby7v
SHA256 4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88
MD5 29e0018c54595d7b81c292bc3c206a56
SHA1 491a6adcf442b85432997cfd201d70f04b3de26d
SHA512 64f7a90359aba448bf6e38c0a76e5feeb9b094578696c0db092206bde2121b6f639570552d4b76f1ca7e4df9d248e6e5afd45247d237344d5502355a7bf7ce2a
SSDEEP 49152:+Q1+r47VoT8kiCycETgzOGIvog+k/oBXs:+9bycE0ztk/Es
TLSH
T117F57D072CC148B9E099F23588B761A77B74BC080731A7D32E51AF785E73BD12AB6395
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5136	$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2639994890-966400312-4246138405-1000\Software\Microsoft\Windows\CurrentVersion\Run\$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe = "C:\\Users\\Admin\\Documents\\$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5712 set thread context of 964	5712	4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe	92
PID 5136 set thread context of 6068	5136	$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe	95

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	AppLaunch.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5712 wrote to memory of 2888	5712	4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe	89
PID 2888 wrote to memory of 3192	2888	cmd.exe	91
PID 5712 wrote to memory of 964	5712	4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe	92
PID 5712 wrote to memory of 964	5712	4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe	92
PID 5136 wrote to memory of 6068	5136	$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe	95
PID 5136 wrote to memory of 6068	5136	$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe	95

C:\Users\Admin\AppData\Local\Temp\4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe
"C:\Users\Admin\AppData\Local\Temp\4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5712
- C:\Windows\System32\cmd.exe
  /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe" /t REG_SZ /d "C:\Users\Admin\Documents\$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Windows\system32\reg.exe
    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe" /t REG_SZ /d "C:\Users\Admin\Documents\$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe" /f
    3⤵
    - Adds Run key to start application
    PID:3192
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:964

C:\Users\Admin\Documents\$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe
C:\Users\Admin\Documents\$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5136
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6068

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe

Path C:\Users\Admin\Documents\$994b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88.exe
Size 3.3MB
SHA256 4b539a573c022b9076c26f3a581bbf7d9867e597193148855730134fb2877e88
MD5 29e0018c54595d7b81c292bc3c206a56
SHA1 491a6adcf442b85432997cfd201d70f04b3de26d
SHA512 64f7a90359aba448bf6e38c0a76e5feeb9b094578696c0db092206bde2121b6f639570552d4b76f1ca7e4df9d248e6e5afd45247d237344d5502355a7bf7ce2a
SSDEEP 49152:+Q1+r47VoT8kiCycETgzOGIvog+k/oBXs:+9bycE0ztk/Es
TLSH
T117F57D072CC148B9E099F23588B761A77B74BC080731A7D32E51AF785E73BD12AB6395
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/964-4-0x0000000004CC0000-0x0000000004E12000-memory.dmp

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memory/964-3-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/964-1-0x0000000000500000-0x0000000000594000-memory.dmp

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memory/964-5-0x0000000005430000-0x0000000005A48000-memory.dmp

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memory/964-6-0x0000000004F20000-0x0000000004FB2000-memory.dmp

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memory/964-2-0x00000000746C2000-0x00000000746C3000-memory.dmp

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memory/964-9-0x00000000746C2000-0x00000000746C3000-memory.dmp

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memory/964-10-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/6068-11-0x0000000001000000-0x0000000001094000-memory.dmp

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memory/6068-12-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/6068-13-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/6068-14-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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memory/6068-15-0x00000000746B0000-0x0000000074E6C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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