MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca. 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: 13


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

SHA256 hash: badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca
SHA3-384 hash: 753d3c06ffe896248acfcdf5f1e928bfe7f7f14b27cd5cee5a149947e22568317539e1785bc985d91d0f33f6e9b4ae6d
SHA1 hash: a7e58276a6444f8f5d841c97c652ca66599d3736
MD5 hash: f8d436ebf003b6e3a4f0416e2d822114
humanhash: utah-sink-william-utah
File name:f8d436ebf003b6e3a4f0416e2d822114.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:589'176 bytes
First seen:2023-10-30 11:45:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 298cb3d37775391ff8b8cc74cba1548f (15 x Stealc, 1 x MarsStealer)
ssdeep 12288:MS4vdwKTNWuuRYqrggHp/bLf7daHBIlXSY4j+6qj9:aF7M0UJf7ghIlqjyj9
Threatray 947 similar samples on MalwareBazaar
TLSH T1F4C49E51E2C14D3AC0672A3D5D1BE2AD58247D1226E8D88AAFD47FCC1F352813BF4A97
TrID 38.9% (.SCR) Windows screen saver (13097/50/3)
29.7% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
13.3% (.EXE) Win32 Executable (generic) (4505/5/1)
6.0% (.EXE) OS/2 Executable (generic) (2029/13)
5.9% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 399998ecd4d46c0e (572 x Quakbot, 137 x ArkeiStealer, 82 x GCleaner)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://bidbur.com/b5c586aec2e1004c.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
334
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457085/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control keylogger lolbin overlay packed replace shell32
Link:
https://www.filescan.io/uploads/653f977a0ca0b018517149af/reports/7d9d9298-5372-4a2f-96f5-be2d08ed1027/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca
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/0a92c278-bb6f-44fb-a2f2-43116e2730d9
Result
Threat name:
CryptOne, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334197
Signature
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected CryptOne packer
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334197 Sample: 5Kr8l021nj.exe Startdate: 30/10/2023 Architecture: WINDOWS Score: 100 33 bidbur.com 2->33 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 8 5Kr8l021nj.exe 33 2->8         started        signatures3 process4 dnsIp5 35 bidbur.com 68.170.2.83, 49713, 80 AS17054US United States 8->35 25 C:\ProgramData\nss3.dll, PE32 8->25 dropped 27 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 8->27 dropped 29 C:\Users\user\AppData\...\softokn3[1].dll, PE32 8->29 dropped 31 9 other files (none is malicious) 8->31 dropped 45 Detected unpacking (changes PE section rights) 8->45 47 Detected unpacking (overwrites its own PE header) 8->47 49 Self deletion via cmd or bat file 8->49 51 3 other signatures 8->51 13 cmd.exe 1 8->13         started        15 WerFault.exe 16 8->15         started        17 WerFault.exe 16 8->17         started        19 3 other processes 8->19 file6 signatures7 process8 process9 21 conhost.exe 13->21         started        23 timeout.exe 1 13->23         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca/
Threat name:
Win32.Trojan.Stealc
Create hunting rule
Status:
Malicious
First seen:
2023-10-30 11:46:05 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xloy6drg5467xp2alodufeh6zcgmmsvl23smblfkjwckka2pvhfa._file
Verdict:
malicious
Similar samples:
004c712a89c92d20a1b5b95cac905c45d53afbdb8568744bace098fc849f6830
Stealc
0d51462bdc4ff0ef00c290aca555c13fc4d30ab74db79a043bbe75925407bbbd
Stealc
1ed1865896a4f3c5b4530772c5ea0adbbc3839a712b4d73c575ea6667da6fd30
Stealc
6989e1aa1d2b1432d21f0d606ee7c2dde9e39f73e762890dcf051c4c5faf0a99
Stealc
d392739ff6d577ce1e207fe9257d951025d61a98a767b304069155942a65b1ae
Stealc
e734881c3e7b490bd010f21547a0933bf88c39505dd7e4b30d6828dd8e12b119
Stealc
f564bfbcefef157a49b03dd3dce7844cdc2568500c655313a193520e29452512
Stealc
+ 937 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/231030-nxaffsee37/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
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
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca
MD5 hash:
f8d436ebf003b6e3a4f0416e2d822114
SHA1 hash:
a7e58276a6444f8f5d841c97c652ca66599d3736
Link:
https://www.unpac.me/results/0e7a9720-a6a5-4397-b29b-9f3330992953/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/badd8f0e26ef/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.66
Link:
https://yomi.yoroi.company/submissions/badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__QueryInfo
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Trojan_W32_Gh0stMiancha_1_0_0
Create hunting rule
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/
Rule name:yarahub_win_stealc_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

Stealc

Executable exe badd8f0e26ef3dfbbf405b874290fec88cc64aabd6e4c0acaa4d84a5034fa9ca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2723302/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/457085/

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