MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3b2528b5e31ab1b82e68247a90ddce9a1237b2994ec739beb096f71d58e3d5b. 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

BazaLoader

Vendor detections: 6

Intelligence 6 IOCs YARA 5 File information Comments

SHA256 hash:	a3b2528b5e31ab1b82e68247a90ddce9a1237b2994ec739beb096f71d58e3d5b
SHA3-384 hash:	d79fcacba906c1553cc4361c16a5319af2ac518be815d7853d34fadb6f6a3474206c63daeb7d9a85c5eb4feaecd57a9a
SHA1 hash:	895d84fc6015a9ad8d1507a99fb44350fb462c79
MD5 hash:	dbdb5ddd07075b5b607460ea441cea19
humanhash:	blossom-december-equal-september
File name:	1 (8)
Download:	download sample
Signature	BazaLoader Create hunting rule
File size:	2'209'528 bytes
First seen:	2020-10-14 05:49:34 UTC
Last seen:	2020-10-14 07:21:16 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	dd174e9276149f6d0786e01045abd830 (2 x BazaLoader, 2 x CobaltStrike)
ssdeep	49152:KDIHYWmURakHwz2NeZVrQDYNkRcPe499yiXobq5:lYWmURakHmVJWcPT99yiXobq5
Threatray	60 similar samples on MalwareBazaar
TLSH	9CA52B837ACB4DEADAC667B5A5D343306378FD518B1A5F2B6608CE313D536C1AD4AB00
Reporter	JAMESWT_WT
Tags:	BazaLoader SNAB-RESURS OOO

Code Signing Certificate

Organisation:	DigiCert High Assurance EV Root CA
Issuer:	DigiCert High Assurance EV Root CA
Algorithm:	sha1WithRSAEncryption
Valid from:	Nov 10 00:00:00 2006 GMT
Valid to:	Nov 10 00:00:00 2031 GMT
Serial number:	02AC5C266A0B409B8F0B79F2AE462577
Intelligence:	204 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	7431E5F4C3C1CE4690774F0B61E05440883BA9A01ED00BA6ABD7806ED3B118CF
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

113

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/70675/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.44067770.18719.18978.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Sending a UDP request

Result

Threat name:

Unknown

Detection:

malicious

Classification:

evad

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/490626

Signature

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Injects a PE file into a foreign processes

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Sets debug register (to hijack the execution of another thread)

Writes to foreign memory regions

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a3b2528b5e31ab1b82e68247a90ddce9a1237b2994ec739beb096f71d58e3d5b/

Threat name:

Win64.Trojan.BazaLoader

Status:

Malicious

First seen:

2020-10-13 21:36:11 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=uozffc26ggvrxaxgqjd2sdo45gqsg6zjstwhhg7lbfxxdvmohvnq._file

Verdict:

malicious

BazaLoader

093f2b5a9d4628d9331751d7e6d3582cf097ab3f4091463ec895052dee8d22c3

BazaLoader

48d410b2235a7f33a79795ee4cc677da47cee5a12645086d38c89d4c88aa2ebf

BazaLoader

725d48df047fa6420ac78350a0023bdc160ae42463544f787b188ca36697965a

BazaLoader

799016c221ca00a1888ac6db3dbbc9e81f53870e3ce154e0e4020009da1fc0a6

BazaLoader

7a530c59844e1fbc71d5c86514e315afdb4748d0833e4fead19e1195ebfeab32

BazaLoader

85ef348d39610c1d5f58e2524c0e929ec815a9fbe1f5924cdef7a0c05e58e5ad

BazaLoader

8dce89b8bd4dc3ed1a56c6742dce5adb92365efd4a8be103dfc0995dee92b06e

BazaLoader

95fece80757ca0144d29f2015a0eba750195182f45002a5bc734f1824c18e2c4

BazaLoader

f5d920482e18df058cc0848a4e96d06af5322c05b3b61d3cf05800ab345d3edf

BazaLoader

+ 50 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://tria.ge/reports/201014-b9hc8psbqs/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Unpacked files

SH256 hash:

a3b2528b5e31ab1b82e68247a90ddce9a1237b2994ec739beb096f71d58e3d5b

MD5 hash:

dbdb5ddd07075b5b607460ea441cea19

SHA1 hash:

895d84fc6015a9ad8d1507a99fb44350fb462c79

Link:

https://www.unpac.me/results/61dabbf1-3515-4be8-82e7-80ef84cbc07f/

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

Threat name:

Eldorado

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/a3b2528b5e31ab1b82e68247a90ddce9a1237b2994ec739beb096f71d58e3d5b

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:	BazarBackdoor Create hunting rule
Author:	@bartblaze
Description:	Identifies Bazar backdoor.
Reference:	https://www.bleepingcomputer.com/news/security/bazarbackdoor-trickbot-gang-s-new-stealthy-network-hacking-malware/

Rule name:	Cobalt_functions Create hunting rule
Author:	@j0sm1
Description:	Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT

Rule name:	crime_win64_backdoor_bazarbackdoor1 Create hunting rule
Author:	@VK_Intel
Description:	Detects BazarBackdoor injected 64-bit malware
Reference:	https://twitter.com/pancak3lullz/status/1252303608747565057

Rule name:	IPPort_combo_mem Create hunting rule
Author:	James_inthe_box
Description:	IP and port combo

Rule name:	win_bazarbackdoor_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator