duptwux | 03742866b065cb84175417d3c2ae68425d1e974a251f81e151896d647af7706b

Analysis

max time kernel
148s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/09/2026, 18:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe
Size 209KB
Sample260919-wzhtlsvbqf
SHA256 03742866b065cb84175417d3c2ae68425d1e974a251f81e151896d647af7706b
MD5 a7b9fb1a6cbf370f80e94366f8994b17
SHA1 8c39c21ce4111b7bbb9d304e94cbba6d262a92d4
SHA512 ed2e5992e8b90ead4b1f77e72050b08a03aa3b8bb33a24eaba3ed2919696b7796751c1c9db19d9a5f8f07ac25c9905a77e2372d1d1431f529a854db9ba16b5c5
SSDEEP 1536:SNSXbc74YTOnlNSUL09atT0mBBA7aKSvIYFwAfdvo8QO5K0:SEo75OnPSI09qgmBBAGKSvwovo89N
TLSH
T16B245B21F711C06AE4D141FED6D68B76B59C6F311B0420E7D3E07AEA633A1EAB93144B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery duptwux worm

Malware Config

Signatures

Family: Duptwux
Duptwux is a Windows worm written in C++.
worm duptwux

Detects Duptwux 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001c60a-6.dat	family_duptwux

Executes dropped EXE 1 IoCs

pid	Process
5004	jusched.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\cf5f0de1\jusched.exe	jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe
File created	C:\Program Files (x86)\cf5f0de1\cf5f0de1	jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe

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

System Information Discovery
T1082

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	jusched.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 5004	4952	jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__a7b9fb1a6cbf370f80e94366f8994b17.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Program Files (x86)\cf5f0de1\jusched.exe
  "C:\Program Files (x86)\cf5f0de1\jusched.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5004

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

cf5f0de1

Path C:\Program Files (x86)\cf5f0de1\cf5f0de1
Size 17B
SHA256 2c8451d5dca9e68ec3af7f318c5d874fbdfea9e89e7b5f9922b4dbd65f027e15
MD5 3330ebaaa7e9f4630f4ad4c156be59d8
SHA1 40375cf8e68671e0100e725de5cd5c6657b9f722
SHA512 b7631f9685bac9f81aa6bf53afd839910773e108989bbb79ba39cafabbe6b6994ed2fde44911c9f7f24b45c9745d6e80cd9f01975bfb765561df4881f7dad696
MD5 SHA1 SHA512

Submit Download

jusched.exe

Path C:\Program Files (x86)\cf5f0de1\jusched.exe
Size 209KB
SHA256 b40b72df453ac76dc6dcc6972b134031ecf430e600a49c7e31947c5c1db06fff
MD5 32ade4b72c4971f54e0e40e2366daaed
SHA1 97bd304ca27d9b94a856df0b0d57c665cb6d9d1d
SHA512 e512068ee50a765a592d878cdc5d2891844f3ac43bada23906ed023f3ebcc530992bdcb0697981c413cdda1705dd789163e5c7d2c22748c3e7ffa4f94f991c03
SSDEEP 1536:SNSXbc74YTOnlNSUL09atT0mBBA7aKSvIYFwAfdvotQO5Kh:SEo75OnPSI09qgmBBAGKSvwovot9+
TLSH
T174245B21F711C06AE4D141BED6D68B76A59C6F311B0420E7D3E07AEA633A1E9B93144B
MD5 SHA1 SHA512 SSDEEP TLSH