dc911f079abe42a264b473ae24032613685a264050c26c43ff224da656193429

Analysis

max time kernel
148s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/08/2026, 12:19

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
l4d2c_ac_installer.bat
Size 16KB
Sample260813-pg92taaf97
SHA256 dc911f079abe42a264b473ae24032613685a264050c26c43ff224da656193429
MD5 ca0b1464f9e756bb16c57df2bc303b2b
SHA1 24e3230daa15e390c73bced84c6a9b9f871e2c8c
SHA512 26d647cbeef003bc0c11aaf958384376925967d0f54a93469005a7adc01453befbe34d528c6b48faa92ce28bdb339412cb7eba7351681c97a8e47ddb73c16bcf
SSDEEP 384:nYCIIBLoAdmLicNjqsb1YkMq2t/21BwCG05i5bRTy/p:YCTcNR2B21BwZyR
TLSH
T12672A425214B477601F40674809A2237FBADD9AE27B4DBED30A9A1247F9D683C1FE9C4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

defense_evasion execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4148	powershell.exe

Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs

Command interpreters often include specific commands/flags that ignore errors and other hangups.

defense_evasion

Ignore Process Interrupts

T1564.011

pid	Process
4148	powershell.exe

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
6080	cmd.exe
6140	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4148	powershell.exe
4148	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4148	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 6080 wrote to memory of 3300	6080	cmd.exe	89
PID 6080 wrote to memory of 3036	6080	cmd.exe	90
PID 6080 wrote to memory of 6140	6080	cmd.exe	91
PID 6140 wrote to memory of 4148	6140	cmd.exe	92

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\l4d2c_ac_installer.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:6080
- C:\Windows\system32\chcp.com
  chcp 1251
  2⤵
  PID:3300
- C:\Windows\system32\where.exe
  where powershell
  2⤵
  PID:3036
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c powershell -NoProfile -Command "try {" " $lang = $null;" " $ov = Get-WinUILanguageOverride -ErrorAction SilentlyContinue;" " if ($ov) { $lang = [string]$ov }" " if (-not $lang) {" " $pref = (Get-ItemProperty 'HKCU:\Control Panel\Desktop' -Name PreferredUILanguages -ErrorAction SilentlyContinue).PreferredUILanguages;" " if ($pref) { if ($pref -is [array]) { $lang = $pref[0] } else { $lang = [string]$pref } }" " }" " if (-not $lang) {" " $list = Get-WinUserLanguageList -ErrorAction SilentlyContinue;" " if ($list -and $list.Count -gt 0) { $lang = $list[0].LanguageTag }" " }" " if (-not $lang) { $lang = 'en-US' }" " $lang.Substring(0,2).ToLowerInvariant()" "} catch { 'en' }"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:6140
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -Command "try {" " $lang = $null;" " $ov = Get-WinUILanguageOverride -ErrorAction SilentlyContinue;" " if ($ov) { $lang = [string]$ov }" " if (-not $lang) {" " $pref = (Get-ItemProperty 'HKCU:\Control Panel\Desktop' -Name PreferredUILanguages -ErrorAction SilentlyContinue).PreferredUILanguages;" " if ($pref) { if ($pref -is [array]) { $lang = $pref[0] } else { $lang = [string]$pref } }" " }" " if (-not $lang) {" " $list = Get-WinUserLanguageList -ErrorAction SilentlyContinue;" " if ($list -and $list.Count -gt 0) { $lang = $list[0].LanguageTag }" " }" " if (-not $lang) { $lang = 'en-US' }" " $lang.Substring(0,2).ToLowerInvariant()" "} catch { 'en' }"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Hide Artifacts: Ignore Process Interrupts
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4148

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Ignore Process Interrupts

T1564.011

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4148-0-0x00007FFB5540F000-0x00007FFB55410000-memory.dmp

Download

memory/4148-3-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-4-0x000002E91A3C0000-0x000002E91A3E2000-memory.dmp

Download

memory/4148-5-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-6-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-7-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-8-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-9-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-10-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-11-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-12-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-13-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-14-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-15-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-16-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-17-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-18-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-21-0x000002E932580000-0x000002E93259E000-memory.dmp

Download

memory/4148-22-0x000002E932820000-0x000002E9328D2000-memory.dmp

Download

memory/4148-23-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download

memory/4148-24-0x000002E9325A0000-0x000002E9325AA000-memory.dmp

Download

memory/4148-26-0x00007FFB55280000-0x00007FFB55C24000-memory.dmp

Download