MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21bd925baf84272f5e5247e89646c8451c527fb4dbc15c4ac87615329d6d92ab. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21bd925baf84272f5e5247e89646c8451c527fb4dbc15c4ac87615329d6d92ab
SHA3-384 hash: 1aa793db790d2e87f1d7bae551b05b88f3b9f0c9f8efb097e7dc9d3d30a83d4ff22aaf5b500d469d60110c5187bb8a89
SHA1 hash: 19e3b77457a387ab5089b276056af074d0f8e77a
MD5 hash: 7d26dce6ba89dedbd27455167f0a3044
humanhash: lamp-zebra-michigan-friend
File name:file
Download: download sample
Signature AuroraStealer
Create hunting rule
File size:7'665'664 bytes
First seen:2023-02-07 15:58:35 UTC
Last seen:2023-02-07 16:47:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 35 x Vidar)
ssdeep 24576:T0zKbWffNzzG+5DnKW4YRcTCDyO+QlehV7UC7vNbMWA9qIZ/QD83qZ/gbaq/EqJO:T0mbW3NzX5rtsTCAWtKCRGz1
Threatray 58 similar samples on MalwareBazaar
TLSH T1B976AFB979042CE6E57F427BCD96A9D823713D624F97A6CB4064B7C209733E4EE32904
gimphash 0e6621754fe511478920fe804874969740dc402efed8a827a5131abace94806f
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter jstrosch
Tags:AuroraStealer exe X64

Intelligence

File Origin
# of uploads :
3
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-07 16:02:11 UTC
Tags:
aurorastealer stealer
Link:
https://app.any.run/tasks/79e61d7c-dc1c-4174-abbc-6f2c14ea8ad7

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/361430/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
Running batch commands
Creating a file in the %temp% directory
Reading critical registry keys
Sending a TCP request to an infection source
Stealing user critical data
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/66127/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
EvasionQueryPerformanceCounter
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
golang
Link:
https://www.filescan.io/uploads/63e27550696b2d972575817e/reports/996094ca-9296-44de-b9de-6bf28732a758/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/21bd925baf84272f5e5247e89646c8451c527fb4dbc15c4ac87615329d6d92ab
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:
Kraken
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/67c3cfef-59c0-4886-841e-115e5d30ae16
Result
Threat name:
Aurora
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1167842
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
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: 800623 Sample: file.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 4 other signatures 2->45 10 file.exe 2->10         started        process3 signatures4 47 Modifies the context of a thread in another process (thread injection) 10->47 49 Injects a PE file into a foreign processes 10->49 51 Potentially malicious time measurement code found 10->51 13 file.exe 11 10->13         started        process5 dnsIp6 37 45.15.156.210, 49698, 8081 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 13->37 53 Tries to harvest and steal browser information (history, passwords, etc) 13->53 17 WMIC.exe 1 13->17         started        19 cmd.exe 1 13->19         started        21 cmd.exe 1 13->21         started        signatures7 process8 process9 23 conhost.exe 17->23         started        25 WMIC.exe 1 19->25         started        27 conhost.exe 19->27         started        29 WMIC.exe 1 21->29         started        31 conhost.exe 21->31         started        process10 33 MpCmdRun.exe 1 23->33         started        process11 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21bd925baf84272f5e5247e89646c8451c527fb4dbc15c4ac87615329d6d92ab/
Threat name:
Win64.Spyware.Aurorastealer
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 15:59:12 UTC
File Type:
PE+ (Exe)
AV detection:
11 of 26 (42.31%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eg6zew5pqqts6xssi7ujmrwiiuofe75u3pavyswioyktfhlnskvq._file
Verdict:
malicious
Similar samples:
16e6a84d1a906671106d1f02336675820c4b1d91fdf85bca031cb84eda80237d
AuroraStealer
398df90a42c7b3cc43ea5095630ef3d8cf059beeda54e6a5888c839f5d6f5055
AuroraStealer
4e7b3bfa6edf5cf57bd1ddefc3838a6da7b70db15dc306c27393c0c98b16c4d0
AuroraStealer
77cda0e40715ba31b558029eb58ca2684a265d684d23aa6993ce1faee2534842
AuroraStealer
844bc19d639b4c95b4829e9b1d3c16cef6d94aad8ef4f5b2d2879ac2ef1df37b
AuroraStealer
876c48b443b068c16e40065e0b7ecb9a1aaf4c4ee1b06d83dc0d4a4d65a44943
AuroraStealer
8fe888167e7096db5d6aa3d3bc64998cd8fd43bef3a83fc6d3c40ffa903891f6
AuroraStealer
9a76cdf5bb75db314c09deb1a4deed6cd0cdaee44e406b8ff4a0c915f59591c1
AuroraStealer
d9a0e11c1fe0bb2f71149f8ec54d6913ae5405e1c13142a633c38a6084fd4ff0
AuroraStealer
f22438602ba14721a94cb6adf773a302fb4c1127279a105c9e35ab429ef2c856
AuroraStealer
+ 48 additional samples on MalwareBazaar
Result
Malware family:
aurora
Create hunting rule
Score:
  10/10
Tags:
family:aurora spyware stealer
Link:
https://tria.ge/reports/230207-te3xyace45/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Reads user/profile data of web browsers
Aurora
Malware Config
C2 Extraction:
45.15.156.210:8081
Unpacked files
SH256 hash:
21bd925baf84272f5e5247e89646c8451c527fb4dbc15c4ac87615329d6d92ab
MD5 hash:
7d26dce6ba89dedbd27455167f0a3044
SHA1 hash:
19e3b77457a387ab5089b276056af074d0f8e77a
Link:
https://www.unpac.me/results/cfc583d4-1fc1-4d76-9aad-54bbba979aa9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21bd925baf84/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
Link:
https://yomi.yoroi.company/submissions/21bd925baf84272f5e5247e89646c8451c527fb4dbc15c4ac87615329d6d92ab

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 21bd925baf84272f5e5247e89646c8451c527fb4dbc15c4ac87615329d6d92ab

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/361430/

Comments