djvu | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Analysis

max time kernel
101s
max time network
102s
platform
windows11-21h2_x64
resource
win11-20250610-en
resource tags

arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
submitted
17/06/2025, 23:14

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General

Target
c2716fcc735a4f1b9fce29cb1dc20a26969b71f615e2b119e9680f015379d286.exe
Size 983KB
Sample250617-28f92aspx3
SHA256 c2716fcc735a4f1b9fce29cb1dc20a26969b71f615e2b119e9680f015379d286
MD5 e15e3cfa542459e8d87e8bfdf70a38a1
SHA1 1c98fbf7b780fc8ab7f73d468ab77b41570c9665
SHA512 fd55639cc4f757f90a01236b10bf33bd678ef7a141c6538a5285133aa8d610bb0bf287043717557a26d28a924f3c44fbf37c13421f27a389f2e8fc76ce4b91fe
SSDEEP 24576:Fp90jN2CdssXMZ/ggHEfsLJ4qFKqyqG5nFYR1t:N0NDdssygGl94qFKqyqYa
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu discovery ransomware

Malware Config

Signatures

Detected Djvu ransomware 1 IoCs

resource	yara_rule
behavioral22/memory/2692-2-0x0000000002420000-0x000000000253A000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Djvu family
djvu

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	2692	WerFault.exe	77

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	c2716fcc735a4f1b9fce29cb1dc20a26969b71f615e2b119e9680f015379d286.exe

C:\Users\Admin\AppData\Local\Temp\c2716fcc735a4f1b9fce29cb1dc20a26969b71f615e2b119e9680f015379d286.exe
"C:\Users\Admin\AppData\Local\Temp\c2716fcc735a4f1b9fce29cb1dc20a26969b71f615e2b119e9680f015379d286.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 296
  2⤵
  - Program crash
  PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2692 -ip 2692
1⤵
PID:5324

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/2692-1-0x0000000002340000-0x0000000002415000-memory.dmp

Download

memory/2692-2-0x0000000002420000-0x000000000253A000-memory.dmp