MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe76e209a9575bc73aa11a6c35be706087fdc696645821c5959a4f445540e3d. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efe76e209a9575bc73aa11a6c35be706087fdc696645821c5959a4f445540e3d
SHA3-384 hash: 898e0d95e75df5908244fd9dfce37d195bd7e76a6a8074e5f7eda06411d3a9bc245d9387fce8acfd2671580e946a1283
SHA1 hash: 257d1c8d30825243e592f6e7ac29f3c8d747562f
MD5 hash: 39dbdf87df9585b78268ae1637fa971b
humanhash: magnesium-blossom-magazine-king
File name:39dbdf87df9585b78268ae1637fa971b.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:272'896 bytes
First seen:2023-08-22 19:25:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5e8c790316167009ad79ab4dba19f7fb (2 x Smoke Loader, 1 x Stealc, 1 x Glupteba)
ssdeep 6144:/NFs7qKiHnohI7aBtWpavmd1pGIQ/lfrW:/NGWFHnojjzve1pGIc1W
Threatray 149 similar samples on MalwareBazaar
TLSH T1B744BF22B3D4A472E51386718E66C7F46A6EF8614F95BADB23945B3F0EB01E2C731305
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 70d0dcd0d4d5d2dd (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://davidlewis.top/3886d2276f6914c4.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
39dbdf87df9585b78268ae1637fa971b.exe
Verdict:
Malicious activity
Analysis date:
2023-08-22 19:27:22 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/77c39736-d291-40f4-91bc-d0841b8ca6df

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/444222/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.7730.10077.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin packed
Link:
https://www.filescan.io/uploads/64e50bcbac089eb81242efe5/reports/8c5f1996-4f43-412c-bd27-b06c4f4a544b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/efe76e209a9575bc73aa11a6c35be706087fdc696645821c5959a4f445540e3d
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:
Oski Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/19e89d6f-2349-4923-a463-a9da91576ddb
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1295456
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efe76e209a9575bc73aa11a6c35be706087fdc696645821c5959a4f445540e3d/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-08-22 19:26:06 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57tw4ie2sv23y45kcgtmgw7hayeh7xdjmzcyehczlgspirkuby6q._file
Verdict:
malicious
Similar samples:
0044ef132e6113d649ef27f1864c350ba16cb7ad5b4257fdb24a8cf9ec670310
Stealc
0ac7f379b3325d3b367cda31efc43ddf96e2b3f0426cc4d7d4912add6ef8d87c
Stealc
2a8c4927c673ae53fa0b99c0f2e8dce3b09ea7f6ea9855c4140f198b9789f916
Stealc
6321cb7ca4e2ed3b0a5d3472556bfbe959343e0f7a971896189a8a1e7a467370
Stealc
80854fed8904bb69c71467dae8cfc5d317c1c5e4531791b4811aa2ba089e7f42
Stealc
8320b1984cd007f2e819d2572382e0d231feae3b91ec2d30163665aa1295cdc5
Stealc
8933096a3a5c51c79403a2dd9bb1db722ec059cb135b203ec1393c0ea3bd15de
Stealc
8a2cf17eb94a6e38695b90efc25180fe632979ecad0e84954bde357c97d3695b
Stealc
8c3379cd31478527d1d0405a836a59220a3cdd3135661b40d30e1ed509c34993
Stealc
fd41ab5fa1562ff06b5a81eace78e7e493e3320b4684e218abf8a47a798e684b
Stealc
+ 139 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc spyware stealer
Link:
https://tria.ge/reports/230822-x5hapsgd9x/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Unpacked files
SH256 hash:
dc7f3a22dabb560428ed5f62eb881c3643f85bdad454befadba0c051904fce0f
MD5 hash:
d9c8df9237d3d825d8cd7cf225322037
SHA1 hash:
b3fd98f0d6d93898c1f870555944e78bff54e77e
Link:
https://www.unpac.me/results/16fd0286-91d7-419b-bce4-fd89b73b8b6c/
SH256 hash:
efe76e209a9575bc73aa11a6c35be706087fdc696645821c5959a4f445540e3d
MD5 hash:
39dbdf87df9585b78268ae1637fa971b
SHA1 hash:
257d1c8d30825243e592f6e7ac29f3c8d747562f
Link:
https://www.unpac.me/results/16fd0286-91d7-419b-bce4-fd89b73b8b6c/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efe76e209a95/report/overview.html
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/efe76e209a9575bc73aa11a6c35be706087fdc696645821c5959a4f445540e3d

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

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

Web download

Stealc

Executable exe efe76e209a9575bc73aa11a6c35be706087fdc696645821c5959a4f445540e3d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2705935/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/444222/

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