djvu | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Resubmissions

01/04/2025, 21:24

250401-z8184awycs 10

Analysis

max time kernel
87s
max time network
204s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
04/12/2024, 11:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ec4f09f82d932cdd40700a74a8875b73a783cbaab1f313286adf615a5336d7d3.exe
Size

917KB
MD5

d592e787314d1c327dbc2da117e1dc59
SHA1

ba3a26eaa200d53129e304078309758bbb3c95f1
SHA256

ec4f09f82d932cdd40700a74a8875b73a783cbaab1f313286adf615a5336d7d3
SHA512

1e805105ab482c752bd24afa028daa3e7bd83f0258510a6fa2ea0c90eb44d1eec590c926982252dbf3a28bb070befbaea5e78c00d556bd9b380a3c79f1480cf7
SSDEEP

24576:Hk5FAciH/EjiQXFPQ0NQaScQqYLQnasbbTq4cSJG:Hk5O/EjiuFP32CYL/wnqlUG

Score

10^/10

djvu discovery ransomware

Malware Config

Signatures

Detected Djvu ransomware 1 IoCs

resource	yara_rule
behavioral15/memory/3640-2-0x0000000006F70000-0x000000000708A000-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
3924	3640	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	ec4f09f82d932cdd40700a74a8875b73a783cbaab1f313286adf615a5336d7d3.exe

C:\Users\Admin\AppData\Local\Temp\ec4f09f82d932cdd40700a74a8875b73a783cbaab1f313286adf615a5336d7d3.exe
"C:\Users\Admin\AppData\Local\Temp\ec4f09f82d932cdd40700a74a8875b73a783cbaab1f313286adf615a5336d7d3.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 292
  2⤵
  - Program crash
  PID:3924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3640 -ip 3640
1⤵
PID:112

Network

MITRE ATT&CK Enterprise v15

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

Loading Replay Monitor...

Downloads

memory/3640-1-0x0000000006E90000-0x0000000006F61000-memory.dmp

Filesize
836KB

Download
memory/3640-2-0x0000000006F70000-0x000000000708A000-memory.dmp

Filesize
1.1MB

Download