MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 85045d9898d28c9cdc4ed0ca5d76eceb457d741c5ca84bb753dde1bea980b516. 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
POOLRAT
Vendor detections: 8
| SHA256 hash: | 85045d9898d28c9cdc4ed0ca5d76eceb457d741c5ca84bb753dde1bea980b516 |
|---|---|
| SHA3-384 hash: | bb9b67a057f2d41bb1d2d3463c1eed830af81e698c1e322995ed25f8e09c212d15b491f26993d2f919d02ae8ab618292 |
| SHA1 hash: | 5aac78b6ee9784d9d021b2e326adcdd770d1bd2a |
| MD5 hash: | cab3948912818c6a44a52ed44017b43a |
| humanhash: | california-one-hamper-hawaii |
| File name: | 85045d9898d28c9cdc4ed0ca5d76eceb457d741c5ca84bb753dde1bea980b516_linux_poolrat.bin |
| Download: | download sample |
| Signature | POOLRAT |
| File size: | 2'818'000 bytes |
| First seen: | 2025-09-12 11:19:57 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 49152:zqRjxOptt99eGf6a9yr9wKA0H3FgmAyB7fCu/AiMa6ITTCba0eFY1tKd3TR1y1+H:WRNOff6KyhA0H1cyBzZnMa6QCba0eFYy |
| TLSH | T1DED56D16BEA714AEC5D2C834876F9173AD71B85C1321AD7B2180EE343E97E245F1DB22 |
| telfhash | t1db112106e93d4e6902f249648c150b921197db379471aa08bf90cac0547f403f114cdf |
| 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 |  SRT |
| Tags: | elf Lazarus POOLRAT RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NLVendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Launching a process
Collects information on the OS
Connection attempt
DNS request
Runs as daemon
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
34
Number of processes launched:
19
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-09-12T10:02:00Z UTC
Last seen:
2025-09-12T10:02:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Malware family:
POOLRAT
Verdict:
Malicious
Score:
27%
Verdict:
Benign
File Type:
ELF
Threat name:
Linux.Trojan.Lazarus
Status:
Malicious
First seen:
2025-09-12 14:18:41 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 38 (28.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
3/10
Tags:
linux
Behaviour
Writes file to tmp directory
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lazarus
Score:
1.00
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | botnet_plaintext_c2 |
|---|---|
| Author: | cip |
| Description: | Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols. |
| Rule name: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | enterpriseapps2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Enterprise apps |
| Rule name: | F01_s1ckrule |
|---|---|
| Author: | s1ckb017 |
| Rule name: | ldpreload |
|---|---|
| Author: | xorseed |
| Reference: | https://stuff.rop.io/ |
| Rule name: | MALWARE_Multi_POOLRAT |
|---|---|
| Author: | ditekshen |
| Description: | Detects POOLRAT |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | setsockopt |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for setsockopt() red flags |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | unixredflags3 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for UNIX red flags |
| Rule name: | WHIRLPOOL_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for WhirlPool constants |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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