MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132. 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: 578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132
SHA3-384 hash: 58ada99145a02719d63a3e441db28316caf9da8320646b14bcaf7d10983700a09ecb6b88612d3e74bf65a60c4e7e239e
SHA1 hash: 6138c24e31d65aeb85f6efc696d5632443e99654
MD5 hash: fd7d20ee8156f230e81cb738ca7947cc
humanhash: monkey-leopard-sodium-salami
File name:578c111169f21fce527b0643847937dea9dc1d41035be.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:262'656 bytes
First seen:2023-09-15 07:55:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c460782c9c445fd4dad4a424cb2fc57 (3 x Stealc, 1 x Tofsee, 1 x RedLineStealer)
ssdeep 6144:iV0LnH+EJ5NoS7RBHs1JL25ZjxAvOFkETV4i:iV0bH+ErNReT25ZjSmasai
Threatray 141 similar samples on MalwareBazaar
TLSH T1C144E00279A0D872D5E345388834D6F5A73FBC73D5A5854B32682FAB7E31261B7A6303
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 08191a3a60a0c000 (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 :
298
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
oski
Create hunting rule
ID:
1
File name:
578c111169f21fce527b0643847937dea9dc1d41035be.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 07:56:59 UTC
Tags:
gcleaner loader stealc oski stealer
Link:
https://app.any.run/tasks/924e9e85-a745-484f-9de9-84cedd87d3d5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OnlyLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/448790/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/65040e177aa68bd3a1fad373/reports/dc654597-5853-4243-bfa2-b79f6fad70c9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132
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/4c8fcea6-f2c0-4041-a42d-404f29c11ec0
Result
Threat name:
Stealc, Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308807
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 dropped file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308807 Sample: 578c111169f21fce527b0643847... Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 12 other signatures 2->54 10 578c111169f21fce527b0643847937dea9dc1d41035be.exe 20 2->10         started        process3 dnsIp4 42 171.22.28.221, 49698, 49700, 80 CMCSUS Germany 10->42 44 5.42.64.2, 49696, 49697, 49699 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 10->44 46 3 other IPs or domains 10->46 36 C:\Users\user\AppData\...\1178499641.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\...\timeSync[1].exe, PE32 10->38 dropped 40 C:\Users\user\AppData\...\timeSync[1].exe, PE32 10->40 dropped 64 Detected unpacking (changes PE section rights) 10->64 66 Detected unpacking (overwrites its own PE header) 10->66 15 cmd.exe 1 10->15         started        17 cmd.exe 1 10->17         started        file5 signatures6 process7 process8 19 1178499641.exe 2 28 15->19         started        22 conhost.exe 15->22         started        24 taskkill.exe 1 17->24         started        26 conhost.exe 17->26         started        signatures9 56 Multi AV Scanner detection for dropped file 19->56 58 Detected unpacking (changes PE section rights) 19->58 60 Detected unpacking (overwrites its own PE header) 19->60 62 6 other signatures 19->62 28 cmd.exe 1 19->28         started        process10 process11 30 conhost.exe 28->30         started        32 timeout.exe 1 28->32         started        process12 34 conhost.exe 30->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-09-14 17:53:02 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k6gbcelj6ip44ut3azbyi6jx32u5yhkbann6axaqj2xm522zaeza._file
Verdict:
malicious
Similar samples:
0044ef132e6113d649ef27f1864c350ba16cb7ad5b4257fdb24a8cf9ec670310
Stealc
5f3892f2aeaa6ac6f1c6b26d85cb50957381585376f4a23209c5d6c6219fc1bd
Stealc
6321cb7ca4e2ed3b0a5d3472556bfbe959343e0f7a971896189a8a1e7a467370
Stealc
652ed9fea38372018ce53bcd4e7bcf562fa3446714fd894ab77ecbea7fe50b34
Stealc
6846828546f5883942cb40ad28958a9cde3b54b1838851e8b52d33fcbdeae3c7
Stealc
8a73b841f8c01a43987ba35ed668896b4787efc87883f5fad1b510be4a96accc
Stealc
98ec96ba074e1edbb26f8466ba001fb0a495f932878a2bf201da5f17424fe59f
Stealc
9c2da80a3de701401d4fd881f4983ecf110468a3edb59bdc30a7e1c5106753d4
Stealc
9e89c31df9863bff75a294fdf1700a0a18607a0ddbf1bab54426a834c758e592
Stealc
af80546c5f00315fe63e7ccf8814ebffc7cd58a7c59a6896e0666ba1e45bbc37
Stealc
+ 131 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/230915-jspblacc83/
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
Link:
https://www.unpac.me/results/fae1322f-3593-4954-9968-15253db72cc5/
SH256 hash:
578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132
MD5 hash:
fd7d20ee8156f230e81cb738ca7947cc
SHA1 hash:
6138c24e31d65aeb85f6efc696d5632443e99654
Link:
https://www.unpac.me/results/fae1322f-3593-4954-9968-15253db72cc5/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/578c111169f2/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/578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/448790/

Comments