18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 17:44

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General

Target
jaffacakes118_18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21.exe
Size 2.5MB
Sample260925-wa4psasera
SHA256 18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21
MD5 3c36c5a9ad36831b474720518bdaf807
SHA1 aaf23445d988767a9e4d90cdde981cc8940fa820
SHA512 00974ffc596b317bc84652797f1206e4ee3af8ea7cc3eeda0a0f8eb9b4bf2abb63e3f4c98e1e0a43d6c6b5e7df1c49ac3fc94110456c854edcf6bd70efdd55d4
SSDEEP 24576:TzpA5VUXl3+r8zWW6B7umr8jF2+SFVx+z2uA:TzeLDvlL
TLSH
T140C5C026C8AF7157D5A462B85827AC5760DD9D02151FCF2100623ABF20EEE5EBBF6C0D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution persistence upx

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
4528	winlogin.exe
4660	winlogin.exe
4448	winlogin.exe
4256	winlogin.exe
2764	winlogin.exe
1560	winlogin.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-1-5-21-2304238888-3968896904-642854331-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogin = "C:\\Users\\Admin\\AppData\\Roaming\\sys64\\winlogin.exe"	reg.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4660 set thread context of 4448	4660	winlogin.exe	95
PID 4660 set thread context of 4256	4660	winlogin.exe	96
PID 4528 set thread context of 2764	4528	winlogin.exe	97
PID 4528 set thread context of 1560	4528	winlogin.exe	98

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4256-46-0x0000000000400000-0x0000000000473000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 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
1776	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	jaffacakes118_18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogin.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1704	jaffacakes118_18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21.exe
4528	winlogin.exe
4660	winlogin.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 1776	1704	jaffacakes118_18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21.exe	89
PID 1776 wrote to memory of 5384	1776	cmd.exe	91
PID 1704 wrote to memory of 4528	1704	jaffacakes118_18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21.exe	92
PID 4660 wrote to memory of 4448	4660	winlogin.exe	95
PID 4660 wrote to memory of 4448	4660	winlogin.exe	95
PID 4660 wrote to memory of 4448	4660	winlogin.exe	95
PID 4660 wrote to memory of 4448	4660	winlogin.exe	95
PID 4660 wrote to memory of 4256	4660	winlogin.exe	96
PID 4660 wrote to memory of 4256	4660	winlogin.exe	96
PID 4660 wrote to memory of 4256	4660	winlogin.exe	96
PID 4660 wrote to memory of 4256	4660	winlogin.exe	96
PID 4528 wrote to memory of 2764	4528	winlogin.exe	97
PID 4528 wrote to memory of 2764	4528	winlogin.exe	97
PID 4528 wrote to memory of 2764	4528	winlogin.exe	97
PID 4528 wrote to memory of 2764	4528	winlogin.exe	97
PID 4528 wrote to memory of 1560	4528	winlogin.exe	98
PID 4528 wrote to memory of 1560	4528	winlogin.exe	98
PID 4528 wrote to memory of 1560	4528	winlogin.exe	98
PID 4528 wrote to memory of 1560	4528	winlogin.exe	98

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_18e5713309e18eb50cad1b10c0cdc1ea6fda8ab375423492a5f4be41ab165f21.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240705515.bat" "
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "winlogin" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:5384
- C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
  "C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4528
- - C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
    "C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe"
    3⤵
    - Executes dropped EXE
    PID:2764
- - C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
    "C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe"
    3⤵
    - Executes dropped EXE
    PID:1560

C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
  "C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe"
  2⤵
  - Executes dropped EXE
  PID:4448
- C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
  "C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe"
  2⤵
  - Executes dropped EXE
  PID:4256

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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 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

240705515.bat

Path C:\Users\Admin\AppData\Local\Temp\240705515.bat
Size 142B
SHA256 3d0c08bb07eea0a8083bf182377c6f6601d5e2be821a182a2092c501d2bee6e9
MD5 251cb0616f40f61d099021a7b32bf0a6
SHA1 710589e4d53343aa29cec6a918a277e28bbfd75e
SHA512 0a42167b1640f3321265cc972205d43ccfb18538a21e54640b8729f3c177dd1d139b62a90b0b7e9fe8f37a843d262f1ff874755f1a5ae4fb993edb37a25d559a
TLSH
T148C02B0135888309F0B0515102173048C7BB53972000DF4D47B0000C288574FD8663F3
MD5 SHA1 SHA512 TLSH

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winlogin.exe

Path C:\Users\Admin\AppData\Roaming\sys64\winlogin.exe
Size 2.5MB
SHA256 6f6525edc45875132024ca9aad5b4fd9f5043a0d8f10ef2e81150d724d72cce0
MD5 45e037e94cecda35f06872cdaec72b73
SHA1 8bf5a3fc48c482f71e510d395ce7a745d39eea2d
SHA512 a325d2d7a1c29ede4e12307bee8a2b6e1cb69464174e5e5dfd093b93c4fb00ef5d8032eab2ec92630116e6309fc08b29d0f3937f446bc19935499a0776fdcf04
SSDEEP 24576:TzpA5VUXl3+r8zWW6B7umr8jF2+SFVx+z2u1:TzeLDvlK
TLSH
T128C5C026C8AF7157D5A462B85827AC5760DD9D02151FCF2100623ABF20EEE5EBBF6C0D
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1704-0-0x0000000000400000-0x0000000000691000-memory.dmp

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memory/1704-3-0x00000000024B0000-0x00000000024B1000-memory.dmp

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memory/1704-4-0x00000000024D0000-0x00000000024D1000-memory.dmp

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memory/1704-5-0x0000000002500000-0x0000000002501000-memory.dmp

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memory/1704-6-0x0000000002D70000-0x0000000002D71000-memory.dmp

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memory/1704-17-0x00000000024D0000-0x00000000024D1000-memory.dmp

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memory/1704-19-0x0000000002500000-0x0000000002501000-memory.dmp

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memory/1704-18-0x00000000024F0000-0x00000000024F1000-memory.dmp

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memory/1704-16-0x00000000024C0000-0x00000000024C1000-memory.dmp

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memory/1704-15-0x00000000024B0000-0x00000000024B1000-memory.dmp

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memory/4256-46-0x0000000000400000-0x0000000000473000-memory.dmp

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memory/4448-41-0x0000000000400000-0x0000000000407000-memory.dmp

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memory/4528-30-0x0000000000400000-0x0000000000691000-memory.dmp

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memory/4528-47-0x00000000024B0000-0x00000000024B1000-memory.dmp

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memory/4528-48-0x00000000024E0000-0x00000000024E1000-memory.dmp

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memory/4528-49-0x0000000002500000-0x0000000002501000-memory.dmp

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memory/4528-50-0x0000000002510000-0x0000000002511000-memory.dmp

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memory/4528-53-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

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memory/4660-37-0x0000000002380000-0x0000000002381000-memory.dmp

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memory/4660-39-0x00000000023C0000-0x00000000023C1000-memory.dmp

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memory/4660-38-0x00000000023B0000-0x00000000023B1000-memory.dmp

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memory/4660-43-0x0000000002450000-0x0000000002451000-memory.dmp

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memory/4660-40-0x00000000023D0000-0x00000000023D1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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