MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c81c35dd3a587ceca2ec3fb0e266de3f3c9085d557bd0900847590f714c0b8e. 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


AuroraStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 11 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c81c35dd3a587ceca2ec3fb0e266de3f3c9085d557bd0900847590f714c0b8e
SHA3-384 hash: 15d9d953ad2560330fdf76426257aef5e953666b860e2f3b0008c21f05bf720736ff0b63df5486133078fff96fd1fb8d
SHA1 hash: b8e382d5bd00bbeed0541588fc0d840ec1d9ef3c
MD5 hash: feb34584dab15ee2b93405ed12747bed
humanhash: helium-lion-alabama-october
File name:feb34584dab15ee2b93405ed12747bed
Download: download sample
Signature AuroraStealer
Create hunting rule
File size:3'137'278 bytes
First seen:2023-02-11 10:01:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 35 x Vidar)
ssdeep 49152:ILFL0NxianRXZYrkHXFLYgiJiITRf+EGg7dUPtaX5cTQ6k1NJO:0xwkaRXDVLLNPZT6g
TLSH T1C5E51991FEEB04F0E60329314497627F27306E099F35DAC7D9543F5AE833AE60A36529
gimphash 4a455e466f88c0d12d5700f93c22ad9419590fd4324c1c8ee8be6797abdfa758
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:32 AuroraStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
feb34584dab15ee2b93405ed12747bed
Verdict:
Malicious activity
Analysis date:
2023-02-11 10:03:44 UTC
Tags:
stealer aurorastealer
Link:
https://app.any.run/tasks/f63eca1e-43df-4c77-8e26-568653a83b36

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/363934/
Detection(s):
Win.Infostealer.Aurora-9980073-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Running batch commands
Creating a file in the %temp% directory
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm aurora babar golang greyware overlay
Link:
https://www.filescan.io/uploads/63e767a0ae0d2eea07d4d13f/reports/79d5f407-1be1-4187-988a-4ed69fd0cf56/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/7c81c35dd3a587ceca2ec3fb0e266de3f3c9085d557bd0900847590f714c0b8e
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:
Aurora Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9988056c-3b0f-4dec-91d6-4d4b7af9d370
Result
Threat name:
Aurora
Create hunting rule
Detection:
malicious
Classification:
troj.spyw
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1171926
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara Aurora Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 804715 Sample: 5OdN2d4T3p.exe Startdate: 11/02/2023 Architecture: WINDOWS Score: 88 29 Snort IDS alert for network traffic 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 4 other signatures 2->35 7 5OdN2d4T3p.exe 15 2->7         started        process3 dnsIp4 27 94.142.138.22, 49695, 8081 IHOR-ASRU Russian Federation 7->27 37 Tries to harvest and steal browser information (history, passwords, etc) 7->37 11 cmd.exe 1 7->11         started        13 cmd.exe 1 7->13         started        15 WMIC.exe 1 7->15         started        signatures5 process6 process7 17 WMIC.exe 1 11->17         started        19 conhost.exe 11->19         started        21 WMIC.exe 1 13->21         started        23 conhost.exe 13->23         started        25 conhost.exe 15->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c81c35dd3a587ceca2ec3fb0e266de3f3c9085d557bd0900847590f714c0b8e/
Threat name:
Win32.Spyware.Aurorastealer
Create hunting rule
Status:
Malicious
First seen:
2023-02-11 10:02:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=psa4gxotuwd45sroyp5q4jtn4pz4scc5kv55beaii5mq64kmboha._file
Result
Malware family:
aurora
Create hunting rule
Score:
  10/10
Tags:
family:aurora spyware stealer
Link:
https://tria.ge/reports/230211-l2sfqaed5y/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Malware Config
C2 Extraction:
94.142.138.22:8081
Unpacked files
SH256 hash:
7c81c35dd3a587ceca2ec3fb0e266de3f3c9085d557bd0900847590f714c0b8e
MD5 hash:
feb34584dab15ee2b93405ed12747bed
SHA1 hash:
b8e382d5bd00bbeed0541588fc0d840ec1d9ef3c
Link:
https://www.unpac.me/results/cb6c4100-e4fe-4dcd-bdd4-774a7f3e5e92/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c81c35dd3a5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Aurora
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/7c81c35dd3a587ceca2ec3fb0e266de3f3c9085d557bd0900847590f714c0b8e

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:win_aurora_stealer_a_706a
Create hunting rule
Author:Johannes Bader
Description:detects Aurora Stealer samples

File information

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

Web download

AuroraStealer

Executable exe 7c81c35dd3a587ceca2ec3fb0e266de3f3c9085d557bd0900847590f714c0b8e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2536827/
Cape
Cape
https://www.capesandbox.com/analysis/363934/

Comments


Avatar
zbet commented on 2023-02-11 10:01:54 UTC

url : hxxp://109.206.241.33/files/Setup4.exe