MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 766fec42cf6394a87446102a6c349c7573bd0f4dbd9661c38ca0331cb1f8f5cc. 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

SystemBC

Vendor detections: 10

Intelligence 10 IOCs 1 YARA 10 File information Comments 1

SHA256 hash:	766fec42cf6394a87446102a6c349c7573bd0f4dbd9661c38ca0331cb1f8f5cc
SHA3-384 hash:	243303953984195ebeeec82d51df574d7f6e92ac3aefabed4987396584da7d0cd6b6ecf5ff16b43ad1e7a25d8af5c9b4
SHA1 hash:	e5ff39565e09bf71c07fc6285bb70599a4f19c19
MD5 hash:	8fb5b5f1839e95ac270e08f46846e9cf
humanhash:	coffee-river-angel-kitten
File name:	8fb5b5f1839e95ac270e08f46846e9cf
Download:	download sample
Signature	SystemBC Create hunting rule
File size:	330'240 bytes
First seen:	2022-07-30 06:10:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	73817fdcf5e060754c857c25379aa393 (1 x RedLineStealer, 1 x SystemBC)
ssdeep	6144:XwAJzAsbtuOVzVG/xJXkj1yLLnUNrz4k4ah:gEJboMzVGpFkj1yHCrz94
TLSH	T148649D40BBA0C43DF5B352F4B97A93A8B52D3DA15B6440CB12D62AEE57386E0EC75307
TrID	40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 17.0% (.SCR) Windows screen saver (13101/52/3) 13.6% (.EXE) Win64 Executable (generic) (10523/12/4) 8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter	zbetcheckin
Tags:	32 exe SystemBC

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
194.180.174.9:4244	https://threatfox.abuse.ch/ioc/840279/

Intelligence

File Origin

# of uploads :

# of downloads :

376

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/295183/

Detection(s):

Win.Packed.Crypterx-9954995-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Creating a file

Sending a custom TCP request

Launching the default Windows debugger (dwwin.exe)

Enabling autorun by creating a file

Result

Malware family:

n/a

Score:

9/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/27781/overview

Behaviour

MalwareBazaar

SystemUptime

MeasuringTime

CPUID_Instruction

CheckCmdLine

EvasionGetTickCount

EvasionQueryPerformanceCounter

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

greyware lockbit mikey packed raccoon smokeloader

Link:

https://www.filescan.io/uploads/62e4cb765c07b66577d8f264/reports/c6b87ceb-44d7-406b-9610-9dd349c02f55/overview

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/428ea8b1-ab0b-4d2c-bbd4-68a35ae5f414

Result

Threat name:

SystemBC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1043448

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found evasive API chain (may stop execution after checking mutex)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Yara detected SystemBC

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/766fec42cf6394a87446102a6c349c7573bd0f4dbd9661c38ca0331cb1f8f5cc/

Threat name:

Win32.Backdoor.Systembc

Status:

Malicious

First seen:

2022-07-28 23:53:19 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 26 (88.46%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ozx6yqwpmokkq5cgcavgyne4ovz32d2nxwlgdq4muazrzmpy6xga._file

Result

Malware family:

systembc

Score:

10/10

Tags:

family:systembc trojan

Link:

https://tria.ge/reports/220730-gxk4mahcfp/

Behaviour

Suspicious use of WriteProcessMemory

Program crash

Drops file in Windows directory

SystemBC

Malware Config

C2 Extraction:

194.180.174.9:4244
146.70.53.169:4244

Unpacked files

SH256 hash:

bbd341771a983299e50a34254c405807c5e33be9907293e49beebb5e3f4d652d

MD5 hash:

ddb2f742947f0111b6715290556044cf

SHA1 hash:

b1a8c5793d7e2cc91fa66fff8b59f58695dc2777

Link:

https://www.unpac.me/results/7da58c4e-5449-4b39-8109-23326f3ea94c/

SH256 hash:

766fec42cf6394a87446102a6c349c7573bd0f4dbd9661c38ca0331cb1f8f5cc

MD5 hash:

8fb5b5f1839e95ac270e08f46846e9cf

SHA1 hash:

e5ff39565e09bf71c07fc6285bb70599a4f19c19

Link:

https://www.unpac.me/results/7da58c4e-5449-4b39-8109-23326f3ea94c/

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/766fec42cf6394a87446102a6c349c7573bd0f4dbd9661c38ca0331cb1f8f5cc

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:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

Rule name:	EXT_MAL_SystemBC_Mar22_1 Create hunting rule
Author:	Thomas Barabosch, Deutsche Telekom Security
Description:	Detects unpacked SystemBC module as used by Emotet in March 2022
Reference:	https://twitter.com/Cryptolaemus1/status/1502069552246575105

Rule name:	MALWARE_Win_EXEPWSH_DLAgent Create hunting rule
Author:	ditekSHen
Description:	Detects SystemBC

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	pdb_YARAify Create hunting rule
Author:	@wowabiy314
Description:	PDB

Rule name:	Start2_net_bin Create hunting rule
Author:	James_inthe_box
Description:	SystemBC
Reference:	7bd341488dc6f01a6662ac478d67d3cd8211cbf362994355027b5bdf573cc31e

Rule name:	Start2_overlap_bin Create hunting rule
Author:	James_inthe_box
Description:	SystemBC
Reference:	7bd341488dc6f01a6662ac478d67d3cd8211cbf362994355027b5bdf573cc31e

Rule name:	Start2__bin Create hunting rule
Author:	James_inthe_box
Description:	SystemBC
Reference:	7bd341488dc6f01a6662ac478d67d3cd8211cbf362994355027b5bdf573cc31e

Rule name:	SystemBC_Config Create hunting rule
Author:	@bartblaze
Description:	Identifies SystemBC RAT, decrypted config.

Rule name:	SystemBC_Socks Create hunting rule
Author:	@bartblaze
Description:	Identifies SystemBC RAT, Socks proxy version.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

SystemBC

exe 766fec42cf6394a87446102a6c349c7573bd0f4dbd9661c38ca0331cb1f8f5cc

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2262773/

Cape

https://www.capesandbox.com/analysis/295183/

Comments

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zbet commented on 2022-07-30 06:10:38 UTC

url : hxxp://194.180.174.9/8fb5b5f1839e95ac270e08f46846e9cf.exe