MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ae1212b3d4c4112acfe2c2486496ea2fc154187f9ab550bda700b0dc79933e. 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


AurotunStealer


Vendor detections: 13


Intelligence 13 IOCs 1 YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91ae1212b3d4c4112acfe2c2486496ea2fc154187f9ab550bda700b0dc79933e
SHA3-384 hash: 6442e3f3a7064278df0ba3d5ae810ef590ffdf21e7eff5a39f19ff9a6bf075f95cd27e5ddbca142d120d52d0b679ae26
SHA1 hash: 7d0075390060144482ba45f7fd551cc3fcc98546
MD5 hash: fc9b6f2a5062193f155ed04650c6b1f8
humanhash: mississippi-muppet-ohio-ohio
File name:fc9b6f2a5062193f155ed04650c6b1f8.exe
Download: download sample
Signature AurotunStealer
Create hunting rule
File size:14'505'676 bytes
First seen:2025-05-26 07:10:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash edb82bcf5d41c8f18762cc64db4b77ae (6 x AurotunStealer)
ssdeep 196608:hTWeD6PXl1wloKSXkT4uFw7V4vAvTnmAdnCDeE7cRGo8sOgZo0aHvOl8Q1pQ/:JXDGV1wloNXe4uFw7V4vAvTnmAIDC1E
Threatray 28 similar samples on MalwareBazaar
TLSH T1CAE6BE5AB1B800E9D07AC078C997960BE7B2741903F097EB269057E91F27BD03F7AB51
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
dhash icon ced8d8dcec64b1c6 (4 x vkeylogger, 2 x AurotunStealer)
Reporter abuse_ch
Tags:AurotunStealer exe


Avatar
abuse_ch
AurotunStealer C2:
62.60.226.178:40102

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
62.60.226.178:40102 https://threatfox.abuse.ch/ioc/1534709/

Intelligence

File Origin
# of uploads :
1
# of downloads :
466
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fc9b6f2a5062193f155ed04650c6b1f8.exe
Verdict:
Malicious activity
Analysis date:
2025-05-26 07:12:19 UTC
Tags:
evasion aurotun stealer
Link:
https://app.any.run/tasks/f1ea31ad-1189-4701-a735-d7d0e16cfdfa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682c91ee2f280a98fb423eb4
Tags:
remcos bazar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Connecting to a non-recommended domain
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 cmd crypto fingerprint invalid-signature lolbin microsoft_visual_cc overlay overlay shylock signed
Link:
https://www.filescan.io/uploads/6834141d171e01f9592d2895/reports/a4d25bb7-8c4a-43d9-b620-7a83bd52771a/overview
Verdict:
Malicious
Labled as:
Trojan_Win64_Penguish_AEUA_MTB
Link:
https://www.hybrid-analysis.com/sample/91ae1212b3d4c4112acfe2c2486496ea2fc154187f9ab550bda700b0dc79933e
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/7a9f264f-e0dc-4079-85b3-18512c9f8f3e
Result
Threat name:
Aurotun Stealer, Meduza Stealer, Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1699062
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Early bird code injection technique detected
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Aurotun Stealer
Yara detected Meduza Stealer
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1699062 Sample: n6WCp3lrDE.exe Startdate: 26/05/2025 Architecture: WINDOWS Score: 100 71 twc.trafficmanager.net 2->71 73 time.windows.com 2->73 75 9 other IPs or domains 2->75 103 Suricata IDS alerts for network traffic 2->103 105 Found malware configuration 2->105 107 Malicious sample detected (through community Yara rule) 2->107 109 11 other signatures 2->109 9 n6WCp3lrDE.exe 5 2->9         started        14 msedge.exe 2->14         started        16 cmd.exe 2->16         started        18 5 other processes 2->18 signatures3 process4 dnsIp5 95 62.60.226.178, 40102, 49683 ASLINE-AS-APASLINELIMITEDHK Iran (ISLAMIC Republic Of) 9->95 97 api.ipify.org 104.26.12.205, 443, 49686, 49692 CLOUDFLARENETUS United States 9->97 99 127.0.0.1 unknown unknown 9->99 63 C:\Users\user\...\rj5Pg7QbxrbScpuvqtnG, PE32 9->63 dropped 65 C:\Users\user\...\oZZoHO5DyhVt8xf2FPFT, PE32+ 9->65 dropped 67 C:\Users\user\...\b32d-9e57-0b2f-00e9.exe, PE32 9->67 dropped 69 2 other malicious files 9->69 dropped 133 Found many strings related to Crypto-Wallets (likely being stolen) 9->133 135 Tries to harvest and steal browser information (history, passwords, etc) 9->135 137 Writes to foreign memory regions 9->137 139 8 other signatures 9->139 20 OpenWith.exe 9->20         started        24 b32d-9e57-0b2f-00e9.exe 9->24         started        26 5c12-fec9-a70d-2197.exe 9->26         started        38 8 other processes 9->38 101 239.255.255.250 unknown Reserved 14->101 28 msedge.exe 14->28         started        30 msedge.exe 14->30         started        32 msedge.exe 14->32         started        34 msedge.exe 14->34         started        36 conhost.exe 16->36         started        file6 signatures7 process8 dnsIp9 77 ntp.time.nl 94.198.159.10 SIDNNL Netherlands 20->77 87 7 other IPs or domains 20->87 111 Early bird code injection technique detected 20->111 113 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->113 115 Tries to steal Mail credentials (via file / registry access) 20->115 131 5 other signatures 20->131 40 chrome.exe 20->40         started        42 msedge.exe 20->42         started        44 chrome.exe 20->44         started        46 wmplayer.exe 20->46         started        79 62.60.226.190 ASLINE-AS-APASLINELIMITEDHK Iran (ISLAMIC Republic Of) 24->79 81 geoplugin.net 178.237.33.50 ATOM86-ASATOM86NL Netherlands 24->81 117 Multi AV Scanner detection for dropped file 24->117 119 Contains functionalty to change the wallpaper 24->119 121 Contains functionality to steal Chrome passwords or cookies 24->121 123 Contains functionality to steal Firefox passwords or cookies 24->123 125 Found API chain indicative of debugger detection 26->125 83 192.168.2.7, 40102, 443, 49672 unknown unknown 28->83 89 7 other IPs or domains 28->89 85 171.22.120.227 DEDIPATH-LLCUS Latvia 38->85 127 Switches to a custom stack to bypass stack traces 38->127 129 Loading BitLocker PowerShell Module 38->129 48 conhost.exe 38->48         started        50 conhost.exe 38->50         started        52 conhost.exe 38->52         started        54 2 other processes 38->54 signatures10 process11 process12 56 chrome.exe 40->56         started        59 chrome.exe 40->59         started        61 msedge.exe 42->61         started        dnsIp13 91 googlehosted.l.googleusercontent.com 142.250.101.132 GOOGLEUS United States 56->91 93 clients2.googleusercontent.com 56->93
Score:
12%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/91ae1212b3d4c4112acfe2c2486496ea2fc154187f9ab550bda700b0dc79933e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91ae1212b3d4c4112acfe2c2486496ea2fc154187f9ab550bda700b0dc79933e/
Threat name:
Win64.Trojan.Penguish
Create hunting rule
Status:
Malicious
First seen:
2025-05-19 08:28:44 UTC
File Type:
PE+ (Exe)
Extracted files:
61
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgxbeevt2tcbckwp4lbeqzew5ix4cvayp6nlkuf5u4albxdzsm7a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
8274f4acd25c2c8334ad9f8934248cd2f3b6cf181bec54a6e5f0c64ef544ea1b
AurotunStealer
8a7b09e92d4f370128a38ae567adbd2d10401adae6fc61475598caee51ba18fd
AurotunStealer
93677409a5d774187b47a3e7e4007b95561c966ea74cf52f16af461b1026c56f
AurotunStealer
9a1407129c1b19e187d46364677bc6458c951a30479dd289ad387c81bce57aea
AurotunStealer
dd0e80a5d91d51608d0e1ddc0d69f4ee01787da82f4a0302ef86dcc24ab1df6c
AurotunStealer
error
AurotunStealer
+ 18 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:aurotun family:remcos botnet:lightautov4 botnet:lightnoautov4 credential_access discovery execution rat spyware stealer
Link:
https://tria.ge/reports/250526-hz38nawqz6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Aurotun
Aurotun family
Detects Aurotun stealer
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
62.60.226.190:41120
62.60.226.190:41113
62.60.226.190:41119
Unpacked files
SH256 hash:
91ae1212b3d4c4112acfe2c2486496ea2fc154187f9ab550bda700b0dc79933e
MD5 hash:
fc9b6f2a5062193f155ed04650c6b1f8
SHA1 hash:
7d0075390060144482ba45f7fd551cc3fcc98546
Detections:
win_shylock_w0
Create hunting rule
Link:
https://www.unpac.me/results/38cc9967-fc91-46c1-a18b-a6af2f9df449/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91ae1212b3d4c4112acfe2c2486496ea2fc154187f9ab550bda700b0dc79933e

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ICMLuaUtil_UACMe_M41
Create hunting rule
Author:Marius 'f0wL' Genheimer <hello@dissectingmalwa.re>
Description:A Yara rule for UACMe Method 41 -> ICMLuaUtil Elevated COM interface
Reference:https://github.com/hfiref0x/UACME
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Mimikatz_Generic
Create hunting rule
Author:Still
Description:attempts to match all variants of Mimikatz
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:skip20_sqllang_hook
Create hunting rule
Author:Mathieu Tartare <mathieu.tartare@eset.com>
Description:YARA rule to detect if a sqllang.dll version is targeted by skip-2.0. Each byte pattern corresponds to a function hooked by skip-2.0. If $1_0 or $1_1 match, it is probably targeted as it corresponds to the hook responsible for bypassing the authentication.
Reference:https://www.welivesecurity.com/
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:win_shylock_w0
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Shylock Banker

File information

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

Comments