MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 652ed9fea38372018ce53bcd4e7bcf562fa3446714fd894ab77ecbea7fe50b34. 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 9 File information Comments

SHA256 hash: 652ed9fea38372018ce53bcd4e7bcf562fa3446714fd894ab77ecbea7fe50b34
SHA3-384 hash: 2aedcd1425d38d82f1a2dde92b1730a0621d8861afb142269ccc81ad35280bfb4c755090aaccbcbe110fdd6ee48d206d
SHA1 hash: 95e09ff0c41f6d4a98525d3fbafedd9e589fd9c2
MD5 hash: 25d3733ef0f6c127d536739cd327edbe
humanhash: enemy-diet-maryland-fourteen
File name:25d3733ef0f6c127d536739cd327edbe.exe
Download: download sample
Signature Stealc
File size:376'320 bytes
First seen:2023-09-15 05:20:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fb170d2cb5ff517fc5a6b94f9af4be2d (5 x Stealc, 1 x Smoke Loader)
ssdeep 6144:6PAMXZh0BxehdU7B5/TFj5Vm6AFlFGQzy:6fP0BMcptOtGQz
Threatray 139 similar samples on MalwareBazaar
TLSH T13E84AE43A3917C62D5250E728E2ECAF8FB3DF9528E18776B12186E1F04B33B1C162765
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0018184713180800 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://171.22.28.221/5c06c05b7b34e8e6.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
288
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
25d3733ef0f6c127d536739cd327edbe.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 05:21:51 UTC
Tags:
gcleaner loader stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
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
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar, onlyLogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
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 onlyLogger
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308710 Sample: RafkdiQp4o.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 11 other signatures 2->51 9 RafkdiQp4o.exe 20 2->9         started        process3 dnsIp4 39 171.22.28.221, 49694, 49695, 80 CMCSUS Germany 9->39 41 5.42.64.2, 49691, 49693, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->41 43 3 other IPs or domains 9->43 33 C:\Users\user\AppData\...\3106899886.exe, PE32 9->33 dropped 35 C:\Users\user\AppData\...\timeSync[1].exe, PE32 9->35 dropped 37 C:\Users\user\AppData\...\timeSync[1].exe, PE32 9->37 dropped 61 Detected unpacking (changes PE section rights) 9->61 63 Detected unpacking (overwrites its own PE header) 9->63 14 cmd.exe 1 9->14         started        16 cmd.exe 1 9->16         started        file5 signatures6 process7 process8 18 3106899886.exe 2 34 14->18         started        21 conhost.exe 14->21         started        23 taskkill.exe 1 16->23         started        25 conhost.exe 16->25         started        signatures9 53 Detected unpacking (changes PE section rights) 18->53 55 Detected unpacking (overwrites its own PE header) 18->55 57 Tries to steal Mail credentials (via file / registry access) 18->57 59 5 other signatures 18->59 27 cmd.exe 1 18->27         started        process10 process11 29 conhost.exe 27->29         started        31 timeout.exe 1 27->31         started       
Threat name:
Win32.Trojan.Chapak
Status:
Malicious
First seen:
2023-09-15 05:21:05 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:5329514621441247975720749009 discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://171.22.28.221
Unpacked files
SH256 hash:
b3eaf07268a9b6264f1b73ff0b6618e2753790d05f2d2a7815110aa7f5add660
MD5 hash:
d2ecb3c9dbea68fd6f16ea26e786cc6e
SHA1 hash:
c60d8650ec2adb3ede38f2b1672566d90e242338
SH256 hash:
652ed9fea38372018ce53bcd4e7bcf562fa3446714fd894ab77ecbea7fe50b34
MD5 hash:
25d3733ef0f6c127d536739cd327edbe
SHA1 hash:
95e09ff0c41f6d4a98525d3fbafedd9e589fd9c2
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_OnlyLogger
Author:ditekSHen
Description:Detects OnlyLogger loader variants
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_gcleaner_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.
Rule name:yara_template

File information


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

Web download

Stealc

Executable exe 652ed9fea38372018ce53bcd4e7bcf562fa3446714fd894ab77ecbea7fe50b34

(this sample)

  
Delivery method
Distributed via web download

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