MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc37b9feb0202a795c125de0396621dd839f21e4c7e4dd598c452f45cf803e97. 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: 9

Intelligence 9 IOCs YARA 4 File information Comments 1

SHA256 hash:	bc37b9feb0202a795c125de0396621dd839f21e4c7e4dd598c452f45cf803e97
SHA3-384 hash:	7204d0a51ebd7f515e559b8ce0aadce1290b9eadb9181180786cdd7e4fe422c6d8ee6f2f0e06c61bb9131d6a05f0a053
SHA1 hash:	275a27c5500e0471780abb90d8c58feb0d5f251f
MD5 hash:	1b457c64a5bb3a25bfae25a686cfcee0
humanhash:	avocado-friend-low-finch
File name:	1b457c64a5bb3a25bfae25a686cfcee0
Download:	download sample
Signature	SystemBC Create hunting rule
File size:	527'360 bytes
First seen:	2021-07-04 12:29:13 UTC
Last seen:	2021-07-04 13:40:56 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	909039a7a37e69bf5b6549b85d4f558b (4 x SystemBC)
ssdeep	12288:lfGBwJKPjWbG7fFxI9SteBSBG6DOrjfgi:lOaoqyJxI9TYBxQ
TLSH	42B45D32F2B14437D133277C8D5BB29C9C2A7E106E2CA84A6EE41E4C5F39A817567397
Reporter	zbetcheckin
Tags:	32 exe SystemBC

Intelligence

File Origin

# of uploads :

# of downloads :

249

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1b457c64a5bb3a25bfae25a686cfcee0

Verdict:

Malicious activity

Analysis date:

2021-07-04 12:32:10 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/c1985d6c-1e4e-4bc3-acc8-8bb1bd3066a4

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/169617/

Detection(s):

PUA.Win.Adware.Slugin-6840354-0

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

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

Malware family:

SystemBC

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a23c58f7-f73d-4415-87e0-ffa99850c35e

Result

Threat name:

SystemBC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/811588

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 malware configuration

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

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

Yara detected SystemBC

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bc37b9feb0202a795c125de0396621dd839f21e4c7e4dd598c452f45cf803e97/

Threat name:

Win32.Trojan.Bunitucrypt

Status:

Malicious

First seen:

2021-07-04 12:30:15 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xq33t7vqeavhsxaslxqdszrb3wbz6ipey7sn2wmmiuxult4ah2lq._file

Result

Malware family:

systembc

Score:

10/10

Tags:

family:systembc trojan

Link:

https://tria.ge/reports/210704-rm32nmgvhs/

Behaviour

Suspicious use of WriteProcessMemory

Drops file in Windows directory

SystemBC

Malware Config

C2 Extraction:

185.215.113.32:4000
78.47.64.46:4000

Unpacked files

SH256 hash:

dd3aa4e082e65d1b8bcb3334f62c4ec1445d0789bdef2f99874c91600978769d

MD5 hash:

685e640e6a0812457652bee26127ff5e

SHA1 hash:

b2801b5cdcc6ca4fcc4cc7d945550cd045727de2

Detections:

win_systembc_auto

Link:

https://www.unpac.me/results/0717b10e-b821-4f0a-947f-c47000ccea37/

Parent samples :
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SH256 hash:

bc37b9feb0202a795c125de0396621dd839f21e4c7e4dd598c452f45cf803e97

MD5 hash:

1b457c64a5bb3a25bfae25a686cfcee0

SHA1 hash:

275a27c5500e0471780abb90d8c58feb0d5f251f

Link:

https://www.unpac.me/results/0717b10e-b821-4f0a-947f-c47000ccea37/

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

Threat name:

Malicious File

Score:

0.91

Link:

https://yomi.yoroi.company/submissions/bc37b9feb0202a795c125de0396621dd839f21e4c7e4dd598c452f45cf803e97

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:	MALWARE_Win_EXEPWSH_DLAgent Create hunting rule
Author:	ditekSHen
Description:	Detects downloader agent, using PowerShell

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