MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e. 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


Stealc


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e
SHA3-384 hash: 4ac5bbe778c2e6f2a7d1b81dc61d12fd46475c9ecd46cccc749e9200733ff6c3f3d663dcdc9bf724e9701055f0fc5af4
SHA1 hash: aadeaec646a30bf4f71b5de804a1a3b5c2d965d0
MD5 hash: 7d27d1f32782313c2f04875e792c075e
humanhash: william-virginia-winter-asparagus
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'804'288 bytes
First seen:2024-11-29 23:01:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:XGw/34rygfJ8dGFiu+X9wIcGEiOy9J6VAZSoRBRq:2Kh6J8dgTQSDLiOy/6mkgrq
Threatray 1 similar samples on MalwareBazaar
TLSH T146853359DE49737FDF6DB2F233378E7B7D50714A2129113A22AC22918F09760ADACD09
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.16/steam/random.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
413
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
U5106_file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-29 23:06:33 UTC
Tags:
stealer stealc loader themida amadey botnet
Link:
https://app.any.run/tasks/0de593e0-e6c8-42b8-ac93-d374883abcba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.26448.22705.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674a492fe64d1c722d7a425c
Tags:
vmdetect autorun autoit spam
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/674a47edb0c1f225b44a814a/reports/69aacd9a-12e0-4ff7-a936-23d89722cf98/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/599af4ed-cb78-41b3-bdbe-569831107016
Result
Threat name:
Amadey, Credential Flusher, Cryptbot, Lu
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565460
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops large PE files
Drops PE files to the document folder of the user
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects a PE file into a foreign processes
Leaks process information
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies windows update settings
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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 steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Amadeys stealer DLL
Yara detected Credential Flusher
Yara detected Cryptbot
Yara detected LummaC Stealer
Yara detected Nymaim
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1565460 Sample: file.exe Startdate: 30/11/2024 Architecture: WINDOWS Score: 100 108 offbeat-moans.cyou 2->108 142 Suricata IDS alerts for network traffic 2->142 144 Found malware configuration 2->144 146 Malicious sample detected (through community Yara rule) 2->146 148 19 other signatures 2->148 9 skotes.exe 3 44 2->9         started        14 file.exe 36 2->14         started        16 bd4bfe878b.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 122 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->122 124 31.41.244.11 AEROEXPRESS-ASRU Russian Federation 9->124 86 C:\Users\user\AppData\Local\...\XW5qFPl.exe, PE32 9->86 dropped 88 C:\Users\user\AppData\...\98b0bac9e6.exe, PE32 9->88 dropped 90 C:\Users\user\AppData\...\2fd5322cfe.exe, PE32 9->90 dropped 98 15 other malicious files 9->98 dropped 176 Creates multiple autostart registry keys 9->176 178 Hides threads from debuggers 9->178 180 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->180 20 98b0bac9e6.exe 9->20         started        23 2ea3b8f706.exe 9->23         started        27 lnwtLq4.exe 9->27         started        39 4 other processes 9->39 126 185.215.113.206, 49704, 49755, 49795 WHOLESALECONNECTIONSNL Portugal 14->126 128 185.215.113.16, 49830, 80 WHOLESALECONNECTIONSNL Portugal 14->128 130 127.0.0.1 unknown unknown 14->130 92 C:\Users\user\Documents\JJECAAEHCF.exe, PE32 14->92 dropped 94 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->94 dropped 96 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->96 dropped 100 11 other files (7 malicious) 14->100 dropped 182 Detected unpacking (changes PE section rights) 14->182 184 Attempt to bypass Chrome Application-Bound Encryption 14->184 186 Drops PE files to the document folder of the user 14->186 190 8 other signatures 14->190 29 cmd.exe 1 14->29         started        31 msedge.exe 2 11 14->31         started        33 chrome.exe 14->33         started        188 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 16->188 35 firefox.exe 18->35         started        37 msedge.exe 18->37         started        file6 signatures7 process8 dnsIp9 150 Multi AV Scanner detection for dropped file 20->150 152 Detected unpacking (changes PE section rights) 20->152 154 Tries to detect sandboxes and other dynamic analysis tools (window names) 20->154 172 5 other signatures 20->172 110 185.156.72.65 ITDELUXE-ASRU Russian Federation 23->110 76 C:\Users\user\AppData\Local\...\Y-Cleaner.exe, PE32 23->76 dropped 78 C:\Users\user\...\Bunifu_UI_v1.5.3.dll, PE32 23->78 dropped 80 C:\Users\user\AppData\Local\...\dll[1], PE32 23->80 dropped 82 C:\Users\user\AppData\Local\...\soft[1], PE32 23->82 dropped 156 Tries to evade debugger and weak emulator (self modifying code) 23->156 174 2 other signatures 23->174 41 WerFault.exe 23->41         started        158 Writes to foreign memory regions 27->158 160 Allocates memory in foreign processes 27->160 162 Injects a PE file into a foreign processes 27->162 44 BitLockerToGo.exe 27->44         started        47 JJECAAEHCF.exe 4 29->47         started        50 conhost.exe 29->50         started        164 Monitors registry run keys for changes 31->164 52 msedge.exe 31->52         started        112 192.168.2.7, 443, 49702, 49703 unknown unknown 33->112 114 239.255.255.250 unknown Reserved 33->114 54 chrome.exe 33->54         started        56 firefox.exe 35->56         started        116 home.twentykx20pt.top 34.118.84.150 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 39->116 118 twentykx20pt.top 39->118 120 httpbin.org 18.208.8.205 AMAZON-AESUS United States 39->120 84 C:\Users\user\AppData\...\service123.exe, PE32 39->84 dropped 166 Binary is likely a compiled AutoIt script file 39->166 168 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 39->168 170 Drops large PE files 39->170 58 chrome.exe 39->58         started        60 6 other processes 39->60 file10 signatures11 process12 dnsIp13 132 52.168.117.173 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 41->132 134 offbeat-moans.cyou 104.21.75.163 CLOUDFLARENETUS United States 44->134 192 Query firmware table information (likely to detect VMs) 44->192 194 Tries to harvest and steal ftp login credentials 44->194 196 Tries to harvest and steal browser information (history, passwords, etc) 44->196 198 Tries to steal Crypto Currency Wallets 44->198 102 C:\Users\user\AppData\Local\...\skotes.exe, PE32 47->102 dropped 200 Multi AV Scanner detection for dropped file 47->200 202 Detected unpacking (changes PE section rights) 47->202 204 Tries to evade debugger and weak emulator (self modifying code) 47->204 206 4 other signatures 47->206 62 skotes.exe 47->62         started        136 plus.l.google.com 172.217.17.78, 443, 49763 GOOGLEUS United States 54->136 138 www.google.com 172.217.21.36, 443, 49726, 49727 GOOGLEUS United States 54->138 140 apis.google.com 54->140 65 chrome.exe 58->65         started        68 conhost.exe 60->68         started        70 conhost.exe 60->70         started        72 conhost.exe 60->72         started        74 2 other processes 60->74 file14 signatures15 process16 dnsIp17 208 Multi AV Scanner detection for dropped file 62->208 210 Detected unpacking (changes PE section rights) 62->210 212 Tries to evade debugger and weak emulator (self modifying code) 62->212 214 3 other signatures 62->214 104 142.250.181.68 GOOGLEUS United States 65->104 106 www.google.com 65->106 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e/
Threat name:
Win32.Spyware.Lummastealer
Create hunting rule
Status:
Malicious
First seen:
2024-11-29 23:02:13 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uongyrzhrr7deowp35tc2bewansvrowdtibi3jq2jyccxyq42bpa._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e
Stealc
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:drum discovery evasion stealer
Link:
https://tria.ge/reports/241129-2z4nza1kcw/
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f273002e-b82f-490f-b057-00861afa0d21
Unpacked files
SH256 hash:
af0cc310605047c957592b3aa788f3344f331ddc5fcbfdc48396faadc77f5edb
MD5 hash:
93e640189db2fa32f91ec4f9fcec31cc
SHA1 hash:
99aaabf6fc53f999a52ce082c6493b1a50252449
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/649f4216-e447-47b8-a564-6b0feb96445b/
SH256 hash:
a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e
MD5 hash:
7d27d1f32782313c2f04875e792c075e
SHA1 hash:
aadeaec646a30bf4f71b5de804a1a3b5c2d965d0
Link:
https://www.unpac.me/results/649f4216-e447-47b8-a564-6b0feb96445b/
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/a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e

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: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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Stealc

Executable exe a39a6c47278c7e323acfdf662d0496036558bac39a028da61a4e042be21cd05e

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3284801/
  
URLhaus
https://urlhaus.abuse.ch/url/3079150/
  
URLhaus
https://urlhaus.abuse.ch/url/3279845/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments