MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af6e8f425fcb23cf384ca01f55ed5d1eb561b7ecbfa48264ecd8b51e460953f3. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af6e8f425fcb23cf384ca01f55ed5d1eb561b7ecbfa48264ecd8b51e460953f3
SHA3-384 hash: 39f2a4ca9bb8cb15777f14e43af7e04d3da02d1ee63b1982600895cbec8628a181601e42eb2905b506cc1cf301b252b9
SHA1 hash: dbafd9fe855342b9f93f3677e7b6bcb19d7e2086
MD5 hash: ed9c0e66a6ae4b816d9f3b82247f8679
humanhash: lactose-december-king-kentucky
File name:ed9c0e66a6ae4b816d9f3b82247f8679.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:376'320 bytes
First seen:2023-09-15 09:40:21 UTC
Last seen:2023-09-15 12:00:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2c13b01641edb95de78761affa09fc50 (2 x Stealc, 2 x RedLineStealer, 1 x Smoke Loader)
ssdeep 6144:/btXcYjEPzDdwBW+YQrGAvDzGvCw0V5PkCIa:/5fjEvqB1YQrT7zkChZdI
Threatray 144 similar samples on MalwareBazaar
TLSH T1F9849E43A391BD63D62A4B73CE2ECEE87A1DB9504E19376713186A2F06B31F1F163614
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 001008c044080000 (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 :
2
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ed9c0e66a6ae4b816d9f3b82247f8679.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 09:43:30 UTC
Tags:
gcleaner loader stealc stealer
Link:
https://app.any.run/tasks/ed01dcb1-6394-44a8-a335-651b05cffb22

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/448800/
Detection(s):
SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.3316.19086.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
Link:
https://www.filescan.io/uploads/650426ae69c1cf3b6ab672cd/reports/a2b08144-4c17-47b9-9c1e-ed38276359ab/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/af6e8f425fcb23cf384ca01f55ed5d1eb561b7ecbfa48264ecd8b51e460953f3
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/493a1608-a021-4e0f-b7a8-4980e91c0cdc
Result
Threat name:
Stealc, Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308852
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: 1308852 Sample: rzvXX31c8w.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 12 other signatures 2->51 9 rzvXX31c8w.exe 24 2->9         started        process3 dnsIp4 39 171.22.28.221, 49705, 49706, 80 CMCSUS Germany 9->39 41 5.42.64.2, 49703, 49704, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->41 43 3 other IPs or domains 9->43 33 C:\Users\user\AppData\...\2651473449.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 2651473449.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 Multi AV Scanner detection for dropped file 18->53 55 Detected unpacking (changes PE section rights) 18->55 57 Detected unpacking (overwrites its own PE header) 18->57 59 6 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       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af6e8f425fcb23cf384ca01f55ed5d1eb561b7ecbfa48264ecd8b51e460953f3/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-09-15 09:41:05 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5xi6qs7zmr46ocmuapvl3k5d22wdn7mx6siezhm3c2r4rqjkpzq._file
Verdict:
malicious
Similar samples:
0044ef132e6113d649ef27f1864c350ba16cb7ad5b4257fdb24a8cf9ec670310
Stealc
1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693
Stealc
578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132
Stealc
5f3892f2aeaa6ac6f1c6b26d85cb50957381585376f4a23209c5d6c6219fc1bd
Stealc
6321cb7ca4e2ed3b0a5d3472556bfbe959343e0f7a971896189a8a1e7a467370
Stealc
652ed9fea38372018ce53bcd4e7bcf562fa3446714fd894ab77ecbea7fe50b34
Stealc
6846828546f5883942cb40ad28958a9cde3b54b1838851e8b52d33fcbdeae3c7
Stealc
98ec96ba074e1edbb26f8466ba001fb0a495f932878a2bf201da5f17424fe59f
Stealc
9e89c31df9863bff75a294fdf1700a0a18607a0ddbf1bab54426a834c758e592
Stealc
fd6995c5ee825d39df3c80ef4e14625534faa92c4e7650d862695b7e1e5516cd
Stealc
+ 134 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-lnrl9scf66/
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/e60b0818-54f6-4325-b41f-4e331f0ee4ed/
SH256 hash:
af6e8f425fcb23cf384ca01f55ed5d1eb561b7ecbfa48264ecd8b51e460953f3
MD5 hash:
ed9c0e66a6ae4b816d9f3b82247f8679
SHA1 hash:
dbafd9fe855342b9f93f3677e7b6bcb19d7e2086
Link:
https://www.unpac.me/results/e60b0818-54f6-4325-b41f-4e331f0ee4ed/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/af6e8f425fcb/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/af6e8f425fcb23cf384ca01f55ed5d1eb561b7ecbfa48264ecd8b51e460953f3

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:DebuggerException__ConsoleCtrl
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 af6e8f425fcb23cf384ca01f55ed5d1eb561b7ecbfa48264ecd8b51e460953f3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2711745/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/448800/

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