MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5aca54a00787e46bde92e8cbba6b22ce1c57358e429cec3dfc8d08966585c2b8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5aca54a00787e46bde92e8cbba6b22ce1c57358e429cec3dfc8d08966585c2b8
SHA3-384 hash: cb129c59aeb54c2845394096a8ba9b5689923d30ae881443f78acf7b23e5bb384980ee549a956a5564c72ed5b641660c
SHA1 hash: 63763c2c542aed43d6b5e463350aaa295f5f7261
MD5 hash: 709675442a254bdd818c1fa07e5c8a53
humanhash: johnny-gee-zulu-lake
File name:709675442a254bdd818c1fa07e5c8a53.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:222'720 bytes
First seen:2023-10-05 08:59:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7bf0c3cbf0d3960e40b75bc830477f17 (6 x Stealc, 5 x Smoke Loader, 3 x Tofsee)
ssdeep 3072:JwXzw2fApW7eQcz3irzsfwkFsGKz2Tk48jINeeVxUuX5Kjt87hX9:ejgWiQczSkwrGs2Tk48jBeVutj
Threatray 111 similar samples on MalwareBazaar
TLSH T19224DF213AA2C072D6F745789434DB816EBFB8736775848F3B1C06AE5F603D19AA2313
TrID 38.6% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
29.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0800022404080000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/651e7b1664965c51f775643f/reports/dae57ea6-c6e8-4dff-a140-21c5e77d971b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5aca54a00787e46bde92e8cbba6b22ce1c57358e429cec3dfc8d08966585c2b8
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/ba59ae92-78dc-41eb-be15-93c3f156a6c8
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320050
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 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
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/5aca54a00787e46bde92e8cbba6b22ce1c57358e429cec3dfc8d08966585c2b8/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2023-10-04 17:50:10 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=llffjiahq7sgxxus5df3u2zczyofonmoikooypp4ruejmzmfyk4a._file
Verdict:
malicious
Similar samples:
1837622fbafa47eb30d479df4f4c97e41e54c9f65c99859b9b4ef195fa9bcdbc
Stealc
2c0548637fe64d795c9534a51f1a3e192f2d40a4d1b5b9291bb8e4fb82cd42c4
Stealc
37598ef0d60434956df3670b94e6dee091e89deb67e9eefa820c24312923f8b1
Stealc
5d5b4d8c173feecb01a31739dcd26dac3a22dc26a0a4922a8e379cd35b7171a1
Stealc
64270e557c83856508c910892d6079b45aa2d2f6a2bde4b7e6d6180d174d90bc
Stealc
6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0
Stealc
ab3c710d9fc4e1bbf83b6a6958a90205968c6bfa51d6dd415ede8ff1df0d3ec9
Stealc
c093df19539455619b30408268030ba22b4fbba44e6872115f58642e626b494d
Stealc
d37b53f23353eede338e7d30afadc73cd4ca9e1f010367925e70502c4c27bd95
Stealc
+ 101 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-kybhcsbg43/
Behaviour
Checks processor information in registry
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
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
Stealc
Malware Config
C2 Extraction:
http://aidandylan.top
Unpacked files
SH256 hash:
fca68d95a6ac7335900e37e651c90069b92023b7b6e157d9a159dc2796fc2915
MD5 hash:
61703199e34859634509e8be9fc00641
SHA1 hash:
c292cfc70ca34c83431905a36767d715c9403405
Detections:
stealc
Create hunting rule
Link:
https://www.unpac.me/results/8a8eeff5-d364-4873-922a-6ae1e8e9f776/
Parent samples :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 hash:
5aca54a00787e46bde92e8cbba6b22ce1c57358e429cec3dfc8d08966585c2b8
MD5 hash:
709675442a254bdd818c1fa07e5c8a53
SHA1 hash:
63763c2c542aed43d6b5e463350aaa295f5f7261
Link:
https://www.unpac.me/results/8a8eeff5-d364-4873-922a-6ae1e8e9f776/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5aca54a00787/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/5aca54a00787e46bde92e8cbba6b22ce1c57358e429cec3dfc8d08966585c2b8

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

Web download

Stealc

Executable exe 5aca54a00787e46bde92e8cbba6b22ce1c57358e429cec3dfc8d08966585c2b8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2716132/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2716168/

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