MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d. 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

Grenam

Vendor detections: 16

Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash:	539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d
SHA3-384 hash:	4db425fbab23a9969639c1c65035072f367a170a42ab7d108c92b8b7171f81a9311f1287b6ea35bf55cf923c561c0e00
SHA1 hash:	6d48ea249ffa15f752568f428b8b4ce33d548953
MD5 hash:	b661f625a23831651ea53ac1a5b375b6
humanhash:	glucose-princess-queen-hydrogen
File name:	Tgsetwpbuhlemyv.exe
Download:	download sample
Signature	Grenam Create hunting rule
File size:	534'016 bytes
First seen:	2026-01-12 15:25:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	9a06f0024c1694774ae97311608bab5b (2 x Grenam, 1 x Renamer)
ssdeep	12288:VcMIztyCK5x8CBmn+RrNbEyWYa0Ie1vUxjVR:GZyCA8CBmn+RrNj9ay5GR
TLSH	T154B49F71F7D09537D1371B788C1BA2A9983ABF102E2864467BE81D4C9F397C139292E7
TrID	55.2% (.EXE) Win64 Executable (generic) (10522/11/4) 23.6% (.EXE) Win32 Executable (generic) (4504/4/1) 10.5% (.EXE) Generic Win/DOS Executable (2002/3) 10.5% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
Reporter	abuse_ch
Tags:	exe Grenam

Intelligence

File Origin

# of uploads :

# of downloads :

114

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

_539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d.exe

Verdict:

Malicious activity

Analysis date:

2026-01-12 15:27:10 UTC

Tags:

delphi renamer worm

Link:

https://app.any.run/tasks/2987864f-25b1-4b1d-b917-cae992c0e691

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Renamer

Link:

https://www.capesandbox.com/analysis/48644/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=696512a5a3ed2a87ae3ea690

Tags:

trojware dropper grenam delf

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug borland_delphi fingerprint gnamer grenam keylogger packed renamer virus

Link:

https://www.filescan.io/uploads/6965129c30368802bb822059/reports/2975c8e9-9324-4176-add5-428442df422c/overview

Verdict:

Malicious

Labled as:

Grenam.Dam

Link:

https://www.hybrid-analysis.com/sample/539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-09T12:49:00Z UTC

Last seen:

2026-01-13T14:16:00Z UTC

Hits:

~10

Detections:

HEUR:Worm.Win32.Agent.gen Virus.Win32.Renamer.j

Link:

https://opentip.kaspersky.com/539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d/results?tab=lookup

Malware family:

Ekidoa

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/46a14109-1971-4b72-bbab-e608c261c4a7

Result

Threat name:

n/a

Detection:

malicious

Classification:

spre

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/1849270

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Drops executable to a common third party application directory

Infects executable files (exe, dll, sys, html)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

92%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d/

Verdict:

Malicious

Threat:

Virus.Win32.Renamer

Link:

https://tip.neiki.dev/file/539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d

Threat name:

Win32.Trojan.Grenam

Status:

Malicious

First seen:

2026-01-11 02:54:21 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

36 of 38 (94.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kojdowa6fhgqa4j76ximdwze4zd2swrnmu3rwzqcxgtsezw4vfgq._file

Verdict:

malicious

Label(s):

grenam

Similar samples:

error

Grenam

Result

Malware family:

n/a

Score:

4/10

Tags:

discovery

Link:

https://tria.ge/reports/260112-svb9gsfw9a/

Behaviour

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Verdict:

Malicious

Tags:

Win.Virus.Gnamer-1

YARA:

n/a

Link:

https://app.threat.zone/submission/f22552a0-a9ff-4a55-8eee-795f2ae0c902

Unpacked files

SH256 hash:

539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d

MD5 hash:

b661f625a23831651ea53ac1a5b375b6

SHA1 hash:

6d48ea249ffa15f752568f428b8b4ce33d548953

Link:

https://www.unpac.me/results/72df7e14-2051-4b59-99fa-d474a7a95a5b/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/539237581e29cd00713ff5d0c1db24e647a95a2d65371b6602b9a72266dca94d

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:	Borland Create hunting rule
Author:	malware-lu

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	SUSP_Imphash_Mar23_2 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:	Internal Research