MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 134a9c039c8bd677ce4cb6cab52ee0a1d52a4fe3ff21600871ee38b9a629789b. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 134a9c039c8bd677ce4cb6cab52ee0a1d52a4fe3ff21600871ee38b9a629789b
SHA3-384 hash: dca9b746796a6ff703af67f049c89df57dd086cd0087921a9a19c1719e37302a942d999510ff9c9996fffb680b5207f3
SHA1 hash: bbda71f2beb24bdcfadf1cebe5319ab499f39d66
MD5 hash: f719b1c225f52b0a9cf81c4cd3a10769
humanhash: kentucky-ceiling-uncle-king
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:269'312 bytes
First seen:2023-10-05 04:10:36 UTC
Last seen:2023-10-05 05:27:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1e2f614c1813ff4e3f2f3e784182dbac (3 x Smoke Loader, 3 x Stealc, 2 x Tofsee)
ssdeep 6144:UsizlRjNeecu1/YXOl+8etceLIgCe4kRxU3V:/i5RJee1B+5tcO9N4AeF
Threatray 102 similar samples on MalwareBazaar
TLSH T1B344E02135F1C872E66B85394934DA5CBB7FB8E22570868F3754126E5E306C2CB7A723
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 000818080e070600 (1 x Stealc, 1 x Smoke Loader)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://5.42.64.10/api/files/software/s2.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
333
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/134a9c039c8bd677ce4cb6cab52ee0a1d52a4fe3ff21600871ee38b9a629789b
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/9beb23ab-400d-42f4-9e29-1c04d9749944
Result
Threat name:
Stealc, Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319885
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 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 dnsIp2 2 Behavior Graph ID: 1319885 Sample: file.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 53 aidandylan.top 2->53 55 script.googleusercontent.com 2->55 57 2 other IPs or domains 2->57 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 11 other signatures 2->71 10 file.exe 20 2->10         started        signatures3 process4 dnsIp5 59 aidandylan.top 85.143.221.30, 49685, 49686, 49693 TRADERSOFTRU Russian Federation 10->59 61 5.42.64.10, 49683, 49684, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 10->61 63 2 other IPs or domains 10->63 47 C:\Users\user\AppData\...\6605258438.exe, PE32 10->47 dropped 49 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 10->49 dropped 51 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 10->51 dropped 81 Detected unpacking (changes PE section rights) 10->81 83 Detected unpacking (overwrites its own PE header) 10->83 15 cmd.exe 1 10->15         started        17 cmd.exe 1 10->17         started        19 WerFault.exe 21 16 10->19         started        file6 signatures7 process8 process9 21 6605258438.exe 54 15->21         started        25 conhost.exe 15->25         started        27 taskkill.exe 1 17->27         started        29 conhost.exe 17->29         started        file10 39 C:\Users\user\AppData\...\softokn3[1].dll, PE32 21->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 21->41 dropped 43 C:\Users\user\AppData\...\mozglue[1].dll, PE32 21->43 dropped 45 9 other files (5 malicious) 21->45 dropped 73 Multi AV Scanner detection for dropped file 21->73 75 Detected unpacking (changes PE section rights) 21->75 77 Detected unpacking (overwrites its own PE header) 21->77 79 5 other signatures 21->79 31 cmd.exe 1 21->31         started        33 WerFault.exe 19 16 21->33         started        signatures11 process12 process13 35 conhost.exe 31->35         started        37 timeout.exe 1 31->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/134a9c039c8bd677ce4cb6cab52ee0a1d52a4fe3ff21600871ee38b9a629789b/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 04:11:05 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cnfjya44rplhptsmw3flklxauhksut7d74qwacdr5y4ltjrjpcnq._file
Verdict:
malicious
Similar samples:
1837622fbafa47eb30d479df4f4c97e41e54c9f65c99859b9b4ef195fa9bcdbc
Stealc
4303d671853cab5c7d2f815942dfae8e727054791fa7947b16536c6b9876412d
Stealc
55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d
Stealc
5e67e7c2573fa5e6522517d3f97cc38b79d47f4e0b16d4d1b9448ba72626d355
Stealc
6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0
Stealc
beca325649a048fb9d8517b206b82f94a0663138725660ee957b75e8d5ebe494
Stealc
d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66
Stealc
d37b53f23353eede338e7d30afadc73cd4ca9e1f010367925e70502c4c27bd95
Stealc
dbee3dbe90cbe6fefd612f476a0f8e34f0f74bdd4785db3adc424efaff3f3ac4
Stealc
+ 92 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/231005-erx5wsae69/
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://aidandylan.top
Unpacked files
SH256 hash:
055917c53bcbfd2bbcd4d428cf08d45afdecefc99605328bb2ac6fd2a9df9f7c
MD5 hash:
dd3e2766fed2e5b8619097ef27ae78a3
SHA1 hash:
905af3c4efa701627a90230686eb8c372b44bf19
Link:
https://www.unpac.me/results/49a19fb5-422e-437d-a66b-3c38c261330e/
Parent samples :
87c9f6da1bde1c4762477b55c8fbd4f821464f23669c08eef59df00adc438a37
12cd64a6d63eb4c7ae10c011a65ea69f9ce0022197d39cb454cc63fc7e147f78
658d9ea4093e492a0f1a8cc6e054e65d2ea30f22fd179b1e1ca58c17618690e9
a4f2367e3e2e9a8ce919fde4522d4a347e30fa7625ff391b082a5c830acb1a76
030c0eab77f63f34b1d09730a8d01a6e5c128c564f75e8f24dddf1a9c1917507
53d10bf98c4e290949b6efe10418a674c737c837ad85fcd47baeeaaa8d72ddcf
92f8faa5180fb698b2313532039b120227e32255dfacf2b3139a4b3734a1fe0c
SH256 hash:
134a9c039c8bd677ce4cb6cab52ee0a1d52a4fe3ff21600871ee38b9a629789b
MD5 hash:
f719b1c225f52b0a9cf81c4cd3a10769
SHA1 hash:
bbda71f2beb24bdcfadf1cebe5319ab499f39d66
Link:
https://www.unpac.me/results/49a19fb5-422e-437d-a66b-3c38c261330e/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/134a9c039c8b/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/134a9c039c8bd677ce4cb6cab52ee0a1d52a4fe3ff21600871ee38b9a629789b

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

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2716172/

Comments