8b2165dc0b604bd43ea9324c6e529d5005778c9418f8fcf3b8ef23b2ed0d4505

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/10/2026, 20:34

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General

Target
jaffacakes118_Trojan-Dropper.Win32.Tefil.20.exe
Size 11KB
Sample261009-zcm2laet4s
SHA256 8b2165dc0b604bd43ea9324c6e529d5005778c9418f8fcf3b8ef23b2ed0d4505
MD5 208f4612a4816b51e2cbb98e71391a4f
SHA1 c0139df483ed46607b24a9a9caf01a17afff9360
SHA512 f99765a780ef5082b983592a7a3af98a3a84cde5792f1e5b9562f660f4349f03d67ff068d321de9b959e546daafc614e37ddc26bb81fc4103cd3127032c7d5d8
SSDEEP 192:nmHuEECBj8Gogs5AohTwFqPsRf3XTBV9eNzMLzEAwWpm64RC5kz0Ty5:KxljrodBMq0tTBqNizdfockz0o
TLSH
T154328D4FF72CD981C21931F10A1AD655AE38AE620DAB0252BD6AF35F3CF497D391051D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4172-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/4172-1-0x0000000000400000-0x0000000000411000-memory.dmp	upx

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 1 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-Dropper.Win32.Tefil.20.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-53044966-3830981193-2402648431-1000_Classes\Local Settings	jaffacakes118_Trojan-Dropper.Win32.Tefil.20.exe
Key created	\REGISTRY\USER\S-1-5-21-53044966-3830981193-2402648431-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
708	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Tefil.20.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Tefil.20.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4172

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:708

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

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Downloads

memory/4172-0-0x0000000000400000-0x0000000000411000-memory.dmp

Download

memory/4172-1-0x0000000000400000-0x0000000000411000-memory.dmp