MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa56916f2b2343a71ffbb8e8e28350d2cdd54ece785712703de5a703d58bb4df. 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


Gozi


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa56916f2b2343a71ffbb8e8e28350d2cdd54ece785712703de5a703d58bb4df
SHA3-384 hash: f04f78f130cbbd76ee07d78ec211b3205e18bc31767022886e9ae171da6ef23880029ae0dd71fd29bf7f1940e50b4918
SHA1 hash: 3dc6e08404610a07047925d6867d5751212432a6
MD5 hash: 014b043413b5135ee5609dffb5307224
humanhash: video-grey-stream-floor
File name:aa56916f2b2343a71ffbb8e8e28350d2cdd54ece785712703de5a703d58bb4df
Download: download sample
Signature Gozi
Create hunting rule
File size:417'792 bytes
First seen:2021-04-13 11:48:05 UTC
Last seen:2021-04-13 12:44:49 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash 9b4dc3e1cb4f9e7f2e23ae54ceef7eac (1 x Gozi)
ssdeep 6144:5gFw1NthjlQTiHUjJzBpEKI+xnRzg/j+LIAWg5LtMoa3:5UK9jliiHeRndg/WcP3
Threatray 229 similar samples on MalwareBazaar
TLSH B9945B02F3D5C035E5726B384863C6F149EB7CA1DA35849B76C86B6F2B377805A3874A
Reporter Anonymous
Tags:Gozi isfb Ursnif

Intelligence

File Origin
# of uploads :
2
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/133949/
Detection(s):
SecuriteInfo.com.Variant.Barys.120960.7363.30337.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Sending a UDP request
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:
Ursnif
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/674210
Signature
Multi AV Scanner detection for submitted file
Yara detected Ursnif
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 386050 Sample: 2OydfS8DYe Startdate: 13/04/2021 Architecture: WINDOWS Score: 56 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected  Ursnif 2->33 7 loaddll32.exe 1 2->7         started        process3 process4 9 iexplore.exe 1 76 7->9         started        12 cmd.exe 1 7->12         started        14 regsvr32.exe 7->14         started        16 6 other processes 7->16 dnsIp5 29 192.168.2.1 unknown unknown 9->29 18 iexplore.exe 153 9->18         started        21 rundll32.exe 12->21         started        process6 dnsIp7 23 tls13.taboola.map.fastly.net 151.101.1.44, 443, 49741, 49742 FASTLYUS United States 18->23 25 geolocation.onetrust.com 104.20.184.68, 443, 49729, 49730 CLOUDFLARENETUS United States 18->25 27 8 other IPs or domains 18->27
Detection:
isfb
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aa56916f2b2343a71ffbb8e8e28350d2cdd54ece785712703de5a703d58bb4df/
Threat name:
Win32.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2021-04-09 11:15:43 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vjljc3zlenb2oh73xduofa2q2lg5ktwopblre4b54wtqhvmlwtpq._file
Verdict:
malicious
Label(s):
gozi
Create hunting rule
Similar samples:
128674ced35bebfc9dd171633b6570b3c127d89af1ed01f86db8dfc6999450b0
Gozi
22682ac6f8c484759f44786cc73109993d858a29b25fa1512196154cf2f0299c
Gozi
310ac7c48b536f71a16706f67fd4d2bed5d9f5708dd460cf3cbc0cd34f43a3ed
Gozi
6c99703002ea5284f603d0041f3a72b3a9e26f8f7af45a1f5e34e4297be0efb8
Gozi
6e4568c87d8d2b5d6428ce46362b1ae29559047aafc275948cd4510573e460a8
Gozi
6eb9c1a0a8c539ac78ef7413a78479dbf6a3270f48c1ae79b4595aab0b299c63
Gozi
8328e3fd543f366d1625e37bf5b002b5d057b2d80aa2250326c174425886c1c0
Gozi
85d535a2051a60c54a1f2f43ce8854f51a784e87a7a9a5a337567fe3296d81a6
Gozi
cb7c95db9ce05d2304a4a98687a4b92f85081e1b7397820a52487b277ee1f2e1
Gozi
d7102c2bee0abe8f04f3faf34374462dbe7b528f3de6492b6e9ce230a5a8d5ef
Gozi
+ 219 additional samples on MalwareBazaar
Result
Malware family:
gozi_ifsb
Create hunting rule
Score:
  10/10
Tags:
family:gozi_ifsb botnet:7401 banker trojan
Link:
https://tria.ge/reports/210413-44sqyqqqtx/
Behaviour
Suspicious use of WriteProcessMemory
Gozi, Gozi IFSB
Malware Config
C2 Extraction:
signin.microsoft.com
login.microsoft.com
bigidati.com
databigs.bar
Unpacked files
SH256 hash:
e2e6af8edd9e54ae461a7d4f45a91da461e75e47dfced21e9878b319d37bf2c8
MD5 hash:
1f8167391a45f8ae0e3ccdb6c5679869
SHA1 hash:
ecdfe34dab86aba1f1030d7b7526c85df60db093
Detections:
win_isfb_auto
Create hunting rule
Link:
https://www.unpac.me/results/90b0fb41-5291-4c6f-a23d-3d27bbd305d4/
SH256 hash:
aa56916f2b2343a71ffbb8e8e28350d2cdd54ece785712703de5a703d58bb4df
MD5 hash:
014b043413b5135ee5609dffb5307224
SHA1 hash:
3dc6e08404610a07047925d6867d5751212432a6
Link:
https://www.unpac.me/results/90b0fb41-5291-4c6f-a23d-3d27bbd305d4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Ursnif
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/aa56916f2b2343a71ffbb8e8e28350d2cdd54ece785712703de5a703d58bb4df

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:Ursnif3
Create hunting rule
Author:kevoreilly
Description:Ursnif Payload
Rule name:win_isfb_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Gozi

DLL dll aa56916f2b2343a71ffbb8e8e28350d2cdd54ece785712703de5a703d58bb4df

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133949/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-14 08:44:02 UTC

================================================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
================================================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0052] File System Micro-objective::Writes File
2) [C0007] Memory Micro-objective::Allocate Memory
3) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
4) [C0040] Process Micro-objective::Allocate Thread Local Storage
5) [C0043] Process Micro-objective::Check Mutex
6) [C0041] Process Micro-objective::Set Thread Local Storage Value
7) [C0018] Process Micro-objective::Terminate Process