MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f83ff41855709553f7f425aebd23420d3b2dd5e1e04cc7c619ba77920137ded4. 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

DCRat

Vendor detections: 8

Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash:	f83ff41855709553f7f425aebd23420d3b2dd5e1e04cc7c619ba77920137ded4
SHA3-384 hash:	62102400b3d889e7966c58b97156eb7dedc0254722b484ac3ab0c4a94f8922401a6dae23f9bccdad3847a72448fca5c1
SHA1 hash:	363a54b9b717f3fb62089f0f2424a1483add0520
MD5 hash:	a99dfc43d7df4654d64accaa28a4f7ec
humanhash:	six-happy-mobile-lion
File name:	networkservice.exe
Download:	download sample
Signature	DCRat Create hunting rule
File size:	2'210'816 bytes
First seen:	2021-05-07 11:11:16 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	406f4cbdf82bde91761650ca44a3831a (3 x CoinMiner, 2 x Glupteba, 1 x Hydra)
ssdeep	49152:zm2AGtwmLkzj7Bvy57xPVVeBVrAz3M+oTvUG:JAGmmLkX7BalxPV0DMz8BT8
Threatray	393 similar samples on MalwareBazaar
TLSH	B7A533F4A67F4B73D420C37C32998B6D60D9633AA6DFC2A6E7AC359342593142D06C4B
Reporter	starsSk87264403
Tags:	DCRat

Intelligence

File Origin

# of uploads :

# of downloads :

105

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/152645/

Detection(s):

Win.Malware.Wofith-9849764-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Creating a file in the system32 subdirectories

Deleting a recently created file

Sending a UDP request

Sending a custom TCP request

Sending an HTTP GET request

Sending an HTTP POST request

Connection attempt

Sending an HTTP GET request to an infection source

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

Unknown

Detection:

malicious

Classification:

spre.troj.expl.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/719807

Signature

Antivirus / Scanner detection for submitted sample

Connects to many ports of the same IP (likely port scanning)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Opens the same file many times (likely Sandbox evasion)

Passes username and password via HTTP get

Probes for web service weaknesses (weak passwords or vulnerabilities)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Uses known network protocols on non-standard ports

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f83ff41855709553f7f425aebd23420d3b2dd5e1e04cc7c619ba77920137ded4/

Threat name:

Win64.Trojan.Wofith

Status:

Malicious

First seen:

2020-10-07 15:48:17 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7a77igcvockvh57uewxl2i2cbu5s3vpb4bgmprqzxj3zeajx33ka._file

Result

Malware family:

dcrat

Score:

10/10

Tags:

family:dcrat infostealer rat upx

Link:

https://tria.ge/reports/210507-g73sd28h3e/

Behaviour

GoLang User-Agent

Modifies system certificate store

DcRat

Unpacked files

SH256 hash:

f83ff41855709553f7f425aebd23420d3b2dd5e1e04cc7c619ba77920137ded4

MD5 hash:

a99dfc43d7df4654d64accaa28a4f7ec

SHA1 hash:

363a54b9b717f3fb62089f0f2424a1483add0520

Link:

https://www.unpac.me/results/c84529b1-9b7d-479b-83b2-64507648d089/

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

Threat name:

Trickbot

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f83ff41855709553f7f425aebd23420d3b2dd5e1e04cc7c619ba77920137ded4

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:	adonunix2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	AD on UNIX

Rule name:	ccrewQAZ Create hunting rule
Author:	AlienVault Labs

Rule name:	GEN_PowerShell Create hunting rule
Author:	https://github.com/interleaved
Description:	Generic PowerShell Malware Rule

Rule name:	Glupteba Create hunting rule

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

Rule name:	suspicious_packer_section Create hunting rule
Author:	@j0sm1
Description:	The packer/protector section names/keywords
Reference:	http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/