c4b836119215f6bdfaf063f91a0e8c458d9668ff04ab0222fa044dcf3c9c0612

Analysis

max time kernel
148s
max time network
139s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/10/2026, 12:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
jaffacakes118_Trojan-Downloader.Win32.Small.beh.exe
Size 9KB
Sample261006-p3d69sfa33
SHA256 c4b836119215f6bdfaf063f91a0e8c458d9668ff04ab0222fa044dcf3c9c0612
MD5 3dc8f54256397466adcf9eac8b0e4b4e
SHA1 dd8e1ba40c54fe2559b2350fa3ae35543f8e0359
SHA512 0ceb755f8754c90af1f4872b0d5f0eb03690fbd8a32af8cbcaab68741972ed63f10713b5e459d2d1032b4beceec2e178193c7c996f338441e3edf37ca48e6a2c
SSDEEP 192:bBmzIWGawT3F4vwRld5lWhJSm/xWG3rOWFpcmalkqZsUB:4zIWGaSFMUSSm/xWG3rZjsLB
TLSH
T1F2126D4AF79D34F2C1C2F270502F9B202B52B13573B7DEDCA68EF74B6D691420901A21
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1092	lexplorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\lexplorer.exe"	jaffacakes118_Trojan-Downloader.Win32.Small.beh.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\lexplorer.exe"	lexplorer.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1948-0-0x0000000013140000-0x0000000013148000-memory.dmp	upx
behavioral2/files/0x0008000000016b43-1.dat	upx
behavioral2/memory/1092-5-0x0000000013140000-0x0000000013148000-memory.dmp	upx
behavioral2/memory/1948-6-0x0000000013140000-0x0000000013148000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\lexplorer.exe	jaffacakes118_Trojan-Downloader.Win32.Small.beh.exe
File created	C:\Windows\lexplorer.exe	jaffacakes118_Trojan-Downloader.Win32.Small.beh.exe
File created	C:\Windows\LEXPLO~1.EXE.bat	lexplorer.exe
File opened for modification	C:\Windows\LEXPLO~1.EXE	lexplorer.exe

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
2116	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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_Trojan-Downloader.Win32.Small.beh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lexplorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1092	1948	jaffacakes118_Trojan-Downloader.Win32.Small.beh.exe	90
PID 1092 wrote to memory of 5016	1092	lexplorer.exe	91
PID 1092 wrote to memory of 5016	1092	lexplorer.exe	91
PID 1092 wrote to memory of 2116	1092	lexplorer.exe	92

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.beh.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.beh.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\lexplorer.exe
  C:\Windows\lexplorer.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:5016
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\LEXPLO~1.EXE.bat
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:2116

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

LEXPLO~1.EXE.bat

Path C:\Windows\LEXPLO~1.EXE.bat
Size 87B
SHA256 46430f2aa8ccb8bfaff9f6ab3719d0f31da68efa9ee39e9c7f6d0faaa77aa0cd
MD5 52ff25e485220914401dfbcca950f3c9
SHA1 90d473641cc5ff285a76dda2eaf9ed1985f5f24e
SHA512 45500017b01122b1a0f6c8c5a93aa2684ccc9b7243b04be775a0989473f68fadb6c505aa061b5bb6ce0344eed334f2662dc503fc6d3940cb1601d3e617dc9d9e
TLSH
T152B00251453C53C694545B351D8D0D54564CF5F71C3A18156C1701C5AD61065BD12DC5
MD5 SHA1 SHA512 TLSH

Submit Download

lexplorer.exe

Path C:\Windows\lexplorer.exe
Size 9KB
SHA256 c4b836119215f6bdfaf063f91a0e8c458d9668ff04ab0222fa044dcf3c9c0612
MD5 3dc8f54256397466adcf9eac8b0e4b4e
SHA1 dd8e1ba40c54fe2559b2350fa3ae35543f8e0359
SHA512 0ceb755f8754c90af1f4872b0d5f0eb03690fbd8a32af8cbcaab68741972ed63f10713b5e459d2d1032b4beceec2e178193c7c996f338441e3edf37ca48e6a2c
SSDEEP 192:bBmzIWGawT3F4vwRld5lWhJSm/xWG3rOWFpcmalkqZsUB:4zIWGaSFMUSSm/xWG3rZjsLB
TLSH
T1F2126D4AF79D34F2C1C2F270502F9B202B52B13573B7DEDCA68EF74B6D691420901A21
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1092-5-0x0000000013140000-0x0000000013148000-memory.dmp

Download

memory/1948-0-0x0000000013140000-0x0000000013148000-memory.dmp

Download

memory/1948-6-0x0000000013140000-0x0000000013148000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads