1981eb5f59aeb564962b6fbcd4df718b6d01d16aac5dc0ac628d0bce87e0d4e6

Analysis

max time kernel
148s
max time network
125s
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, 13:39

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General

Target
jaffacakes118_Trojan-Downloader.Win32.Small.ua.dll
Size 36KB
Sample261006-qye4fahs91
SHA256 1981eb5f59aeb564962b6fbcd4df718b6d01d16aac5dc0ac628d0bce87e0d4e6
MD5 5b690a699b7c2fda87739689e6927d1e
SHA1 b3889da826b5a347fc4939a91c6508f963d0b8d0
SHA512 6c3258572d7205269981904324a8fe15495f4fe45aa911c0e1286bf864210b2170feadd42676e78a2d1edb34044af04d820f5329b37298b5cba9091fdf4429d1
SSDEEP 192:eKNft/6yn/N59xRJ6sDUHq3r7Nft/6yn/N5yD:eKdt/zn/bPL6cvdt/zn/by
TLSH
T1BDF22D23BF1899F1C2290B7231679223657D20B006DE15803FAD5F576CFA1A7AE5FE12
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/2004-0-0x0000000010000000-0x0000000010009000-memory.dmp	acprotect

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2004-0-0x0000000010000000-0x0000000010009000-memory.dmp	upx

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	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2004	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5752 wrote to memory of 2004	5752	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.ua.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.ua.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2004

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2004-0-0x0000000010000000-0x0000000010009000-memory.dmp

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