MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 668e2cdc076b620be68a4d5aa2ed14d2fa9b48b556f0e8f69548d8a972436155. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Kaiji
Vendor detections: 11
| SHA256 hash: | 668e2cdc076b620be68a4d5aa2ed14d2fa9b48b556f0e8f69548d8a972436155 |
|---|---|
| SHA3-384 hash: | f0232dddf02a59384aa14ee2043abe9698b52bd8315a1b2f815bb3099f7358cd4900308cc60715f47f43750c2ef859e6 |
| SHA1 hash: | 78ad606c247165cb75c4e349d9be702517203224 |
| MD5 hash: | 639af202eb3c903183b8ae3d8ba4951e |
| humanhash: | butter-west-ceiling-oven |
| File name: | 639af202eb3c903183b8ae3d8ba4951e |
| Download: | download sample |
| Signature | Kaiji |
| File size: | 2'097'152 bytes |
| First seen: | 2024-11-02 02:48:04 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 24576:J1rMILphWsdRm6vM7lUVJtq8wfe9OqbVgYQ3k48jtIMoG34RJnWVh1BPnjKqZdtX:JVfjmRMo2T1 |
| TLSH | T173A5F857B8918552C4E42637BCBE81C833635EB99B8663666D04FE3C3ABF2D90E35314 |
| gimphash | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| TrID | 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1) |
| Magika | elf |
| Reporter |  zbetcheckin |
| Tags: | 32 arm elf kaiji |
Intelligence
File Origin
# of uploads :
1
# of downloads :
224
Origin country :
FRVendor Threat Intelligence
Detection(s):
Verdict:
Malicious
Score:
81.4%
Link:
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Behaviour
Mounts file systems
Changes the time when the file was created, accessed, or modified
Sets a written file as executable
Creates directories in a system directory
Connection attempt
Receives data from a server
Collects information on the RAM
Launching a process
Locks files
Sends data to a server
Manages services
Creating a file
Runs as daemon
Sets a file as executable
Creating a process from a recently created file
Writes files to system subdirectory
Replaces system binary files
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug golang obfuscated rijndael
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
201
Number of processes launched:
99
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Anti-VM
Persistence
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Result
Threat name:
Kaiji
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Signature
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Yara detected Kaiji
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Trojan.Kaiji
Status:
Malicious
First seen:
2024-11-02 02:49:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
kaiji
Score:
10/10
Tags:
family:kaiji defense_evasion discovery execution persistence privilege_escalatio privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Write file to user bin folder
Executes dropped EXE
Modifies Watchdog functionality
Kaiji
Kaiji family
Malware Config
C2 Extraction:
ss.us-tv.top:1930
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | enterpriseunix2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Enterprise UNIX |
| Rule name: | F01_s1ckrule |
|---|---|
| Author: | s1ckb017 |
| Rule name: | GoBinTest |
|---|
| Rule name: | golang |
|---|
| Rule name: | golang_binary_string |
|---|---|
| Description: | Golang strings present |
| Rule name: | identity_golang |
|---|---|
| Author: | Eric Yocam |
| Description: | find Golang malware |
| Rule name: | Linux_Generic_Threat_a40aaa96 |
|---|---|
| Author: | Elastic Security |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | setsockopt |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for setsockopt() red flags |
| Rule name: | unixredflags3 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for UNIX red flags |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
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