MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693. 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: 1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693
SHA3-384 hash: 2ceab20e8be7f4cc2b5e517d8a953a24264b990367bf5e0a99f9fc456a07b5df08bac47d1c9ea950a82b9b0125cc43da
SHA1 hash: 63825a55b3931a908bc4d3a5d251374ebd559e6d
MD5 hash: f653a6f189b432c46c299853eef84dd2
humanhash: yankee-tennis-nine-kansas
File name:f653a6f189b432c46c299853eef84dd2.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:376'832 bytes
First seen:2023-09-15 08:15:21 UTC
Last seen:2023-09-15 08:37:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fb170d2cb5ff517fc5a6b94f9af4be2d (5 x Stealc, 1 x Smoke Loader)
ssdeep 3072:bD7mWo+XtzonjPSGYXBpCLa+npQSIOmWe9v/vmZpQqN8Z9ku1Yj/h3IqN/7v:H7m4XtzojPuxsdQSIjWWv/rrV1YTh3
Threatray 143 similar samples on MalwareBazaar
TLSH T166848E13E2A0BC53D6264A72DE6ECAF8362EB9D08E19775722186A1F04F31B1F173715
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 000040c090620000 (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 :
294
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f653a6f189b432c46c299853eef84dd2.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 08:18:29 UTC
Tags:
gcleaner loader stealc stealer
Link:
https://app.any.run/tasks/2621f689-abf7-4811-b32f-b463e83771a9

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/448793/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.22745.8129.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/650412c3829c3479a05ef081/reports/e9bc3efe-22f2-4aba-8a38-85288b145c58/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693
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/c98a8194-1f01-4661-8727-01994b95d322
Result
Threat name:
Stealc, Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308819
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 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: 1308819 Sample: CQ8BGqy6mG.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 11 other signatures 2->51 9 CQ8BGqy6mG.exe 20 2->9         started        process3 dnsIp4 39 171.22.28.221, 49713, 49714, 80 CMCSUS Germany 9->39 41 5.42.64.2, 49710, 49711, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 9->41 43 3 other IPs or domains 9->43 33 C:\Users\user\AppData\...\0140583803.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 0140583803.exe 2 28 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/1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-09-15 08:04:37 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5xbycynlkrw4pvzn3eclf452kdqqfymf7q6ojqwsnquqc3ng2jq._file
Verdict:
malicious
Similar samples:
578c111169f21fce527b0643847937dea9dc1d41035be05c104eaeceeb590132
Stealc
5f3892f2aeaa6ac6f1c6b26d85cb50957381585376f4a23209c5d6c6219fc1bd
Stealc
652ed9fea38372018ce53bcd4e7bcf562fa3446714fd894ab77ecbea7fe50b34
Stealc
6846828546f5883942cb40ad28958a9cde3b54b1838851e8b52d33fcbdeae3c7
Stealc
8a73b841f8c01a43987ba35ed668896b4787efc87883f5fad1b510be4a96accc
Stealc
98ec96ba074e1edbb26f8466ba001fb0a495f932878a2bf201da5f17424fe59f
Stealc
9c2da80a3de701401d4fd881f4983ecf110468a3edb59bdc30a7e1c5106753d4
Stealc
9e89c31df9863bff75a294fdf1700a0a18607a0ddbf1bab54426a834c758e592
Stealc
f05d4b948c42de713d7cfd2f9d4ea06135fa3fbf768cef463aebe4bf6d32086b
Stealc
fd6995c5ee825d39df3c80ef4e14625534faa92c4e7650d862695b7e1e5516cd
Stealc
+ 133 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-j55jcacd47/
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/5bd14d2a-436a-45c9-9bad-79a653167371/
SH256 hash:
1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693
MD5 hash:
f653a6f189b432c46c299853eef84dd2
SHA1 hash:
63825a55b3931a908bc4d3a5d251374ebd559e6d
Link:
https://www.unpac.me/results/5bd14d2a-436a-45c9-9bad-79a653167371/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f6e1c0b0d5a/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/1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693

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 1f6e1c0b0d5aa36e3eb96ec825979dd28708170c2fe1e726169361480b6d3693

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2711745/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/448793/

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