a42c71db864e236e3591aa1697a223a15089991f785af01c48f5ab52060bf1d7

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/10/2026, 12:57

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General

Target
jaffacakes118_Trojan-Downloader.Win32.Small.bns.dll
Size 10KB
Sample261006-p7ezcsfa45
SHA256 a42c71db864e236e3591aa1697a223a15089991f785af01c48f5ab52060bf1d7
MD5 6ac54ed8f0d06818cacbcaae5fc12136
SHA1 6bf52a933a52c690395f778778cd7cbf2fdd9d02
SHA512 7feac8fdff4324b566beb3003b4a58245cd2124e073529ac6d4fe498809c363558fa3aac7ef932f6effad7dfe770707a5ac626db4a4c17848b75cc7efe724ff6
SSDEEP 96:RfFUBr1ZfEP1sTxjII4xrvTRTYAwN9B3PKrd:n2r15ISTL8r7RTTwN99C
TLSH
T1282208839EE61BFCD049497110D893378DB97211034C9B6FDA47E9062C6B063A978B8D
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
behavioral1/memory/1180-0-0x0000000010000000-0x0000000010004000-memory.dmp	upx
behavioral1/memory/1180-2-0x0000000010000000-0x0000000010004000-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 WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 1180	548	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.bns.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.bns.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1180

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

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Downloads

memory/1180-0-0x0000000010000000-0x0000000010004000-memory.dmp

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memory/1180-1-0x0000000010001000-0x0000000010002000-memory.dmp

Download

memory/1180-2-0x0000000010000000-0x0000000010004000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads