MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2. 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: 14

Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash:	b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2
SHA3-384 hash:	655a99563ccad76477a60077a125bf10384a4564192e2566a25de27ee1d981e80eb317548afb92c057037d646289bdf3
SHA1 hash:	58cf7bfcec81faf744682f9479b905feed8e6e68
MD5 hash:	e7d405eec8052898f4d2b0440a6b72c9
humanhash:	fish-cold-don-michigan
File name:	c5018a3915e8a9de41e083f7936c2d232b9a73ba41c8c07fb7b2d90d5f5d8e8e_dump.exe
Download:	download sample
Signature	SystemBC Create hunting rule
File size:	16'384 bytes
First seen:	2024-06-14 14:36:41 UTC
Last seen:	2024-06-14 15:26:30 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	cb60ac7199494c7116659f98e53675e9 (1 x SystemBC)
ssdeep	192:0cG7C70KVYmEDmSv+ShxlxCB5jNw56NgaaeA8J7CkXhMQzpa:0ZKGmESEH3s5jNIFadAsdXja
Threatray	14 similar samples on MalwareBazaar
TLSH	T1DD7208B7BC18D862C06289F0788DAA40D5FCAD7650B5D069EFF0CE10BA7EE92D744257
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	ukycircle
Tags:	exe SystemBC

Intelligence

File Origin

# of uploads :

# of downloads :

345

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2.exe

Verdict:

Malicious activity

Analysis date:

2024-06-14 14:39:42 UTC

Tags:

smtp

Link:

https://app.any.run/tasks/ef4b3bf8-1562-405b-abcb-6ac19973585a

Note:

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

Detection(s):

SecuriteInfo.com.BackDoor.Coroxy.27.1748.31635.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=666c570b0f85a8479dc6dda0win7simulatehigh_evasion

Tags:

Generic Stealth Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file

Creating a process from a recently created file

Enabling autorun by creating a file

Verdict:

Malicious

Labled as:

Graftor.Generic

Link:

https://www.hybrid-analysis.com/sample/b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2

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.

Malware family:

SystemBC

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/ac0bc092-420d-4201-9275-c93c29b9738c

Result

Threat name:

SystemBC

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1457364

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Send many emails (e-Mail Spam)

Tries to detect virtualization through RDTSC time measurements

Tries to resolve many domain names, but no domain seems valid

Yara detected SystemBC

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2/

Threat name:

Win32.Backdoor.Coroxy

Status:

Malicious

First seen:

2024-06-13 18:08:17 UTC

File Type:

PE (Exe)

AV detection:

33 of 38 (86.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wy5a4x4twjvnb3vz565gm2i7hn7h6upjhixqbgf54q4dh55cjtba._file

Verdict:

malicious

SystemBC

789b70fa9df563a3023a89835ce3b9ef1329a477dbff67b3390b72db2b5b9557

SystemBC

b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2

SystemBC

c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155

SystemBC

c5018a3915e8a9de41e083f7936c2d232b9a73ba41c8c07fb7b2d90d5f5d8e8e

SystemBC

cf9aee9be42a9a9b88268906e8751200b84e727e39953ab0e1da4ec590db695e

SystemBC

+ 4 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

10/10

Tags:

n/a

Link:

https://tria.ge/reports/240614-ry481avcma/

Behaviour

Suspicious use of WriteProcessMemory

Drops file in Windows directory

Executes dropped EXE

Unpacked files

SH256 hash:

b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2

MD5 hash:

e7d405eec8052898f4d2b0440a6b72c9

SHA1 hash:

58cf7bfcec81faf744682f9479b905feed8e6e68

Detections:

SystemBC

win_systembc_auto

win_systembc_g1

Link:

https://www.unpac.me/results/d2263527-5503-460a-a461-b7cd69a1f11e/

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

Threat name:

SystemBC

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b63a0e5f93b26ad0eeb9efba66691f3b7e7f51e93a2f0098bde43833f7a24cc2

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:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

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:	win_systembc_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.systembc.

File information

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

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle kernel32.dll::CreateThread
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CopyFileW kernel32.dll::CreateDirectoryW kernel32.dll::CreateFileA kernel32.dll::GetTempPathA
WIN_USER_API	Performs GUI Actions	user32.dll::CreateWindowExA

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